Report: avast_njrat_1¶
Note
Generated by specimen report from a bundled fixture (trimmed public Avast-CTU report, or a synthetic one).
Verdict: malicious (score 0.9133, confidence medium (behavior-driven))
Detonated: yes (recorded trace replay)
Static triage¶
score 0.2315 / entropy 6.78
- pe_executable impact +0.80
Behavior¶
P(malicious)=0.9133 label=malicious scorer=mvp-synthetic-logreg (ATT&CK features) | family match unknown (closest: njRAT) (p=0.821, avast-ctu-logreg (behaviour+static))
- n_drop = 1.0986, impact +2.76
- n_persist = 0.6931, impact +1.18
- n_file_write = 1.6094, impact -0.04
- frac_suspicious = 0.0139, impact +0.02
Family evidence¶
Top tokens supporting unknown (closest: njRAT) (avast-ctu-logreg (behaviour+static)):
- tech:T1105 (+0.230)
- tactic:command-and-control (+0.225)
- tech:T1547.001 (+0.214)
- tactic:persistence (+0.200)
- exec:regasm.exe (+0.147)
- file_read:\device\ksecdd (+0.136)
Timeline¶
| t | event | ATT&CK | anomaly |
|---|---|---|---|
| 0.00 | sample.exe created bitsperf | 1.0 | |
| 0.00 | sample.exe created Global\CLR_CASOFF_MUTEX | 1.0 | |
| 0.00 | sample.exe created 10e93180d6481ad63a77c2b255d40864 | 1.0 | |
| 0.00 | sample.exe created Global\.net clr networking | 1.0 | |
| 0.01 | sample.exe spawned RegAsm.exe `"C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe"` | 1.0 | |
| 0.01 | sample.exe spawned netsh `netsh firewall add allowedprogram "C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe" "RegAsm.exe" ENABLE` | 1.0 | |
| 0.01 | sample.exe read C:\Windows\WindowsShell.Manifest | 0.0 | |
| 0.01 | sample.exe read \Device\KsecDD | 0.0 | |
| 0.01 | sample.exe read C:\Users\comp\AppData\Local\Temp\83DFFD621EFA44CF1A60.exe | 0.0 | |
| 0.01 | sample.exe read C:\Windows\Globalization\Sorting\sortdefault.nls | 0.0 | |
| 0.01 | sample.exe read C:\Windows\System32\UxTheme.dll[.]Config | 0.0 | |
| 0.01 | sample.exe read C:\Windows\System32\uxtheme.dll | 0.0 | |
| 0.01 | sample.exe read C:\Users\comp\service\svchost.exe | 0.0 | |
| 0.01 | sample.exe read C:\Users\comp\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Host Process for Windows Services.url | 0.0 | |
| 0.01 | sample.exe read C:\Users\comp\service\Host Process for Windows Services.vbs | 0.0 | |
| 0.02 | sample.exe read C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe[.]config | 0.0 | |
| 0.02 | sample.exe read C:\Windows\Microsoft.NET\Framework\v2.0.50727\mscorwks.dll | 0.0 | |
| 0.02 | sample.exe read C:\Windows\winsxs\x86_microsoft.vc80.crt_1fc8b3b9a1e18e3b_8.0.50727.4940_none_d08cc06a442b34fc\msvcr80.dll | 0.0 | |
| 0.02 | sample.exe read C:\Users | 0.0 | |
| 0.02 | sample.exe read C:\Users\comp | 0.0 | |
| 0.02 | sample.exe read C:\Users\comp\AppData | 0.0 | |
| 0.02 | sample.exe read C:\Users\comp\AppData\Local | 0.0 | |
| 0.02 | sample.exe read C:\Users\comp\AppData\Local\Temp | 0.0 | |
| 0.02 | sample.exe read C:\Users\comp\AppData\Local\Temp\83DFFD621EFA44CF1A60.exe.Local\ | 0.0 | |
| 0.03 | sample.exe wrote C:\Users\comp\service\svchost.exe | T1105 command-and-control | 0.537 |
| 0.03 | sample.exe wrote C:\Users\comp\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Host Process for Windows Services.url | T1547.001 persistence | 0.537 |
| 0.03 | sample.exe wrote C:\Users\comp\service\Host Process for Windows Services.vbs | T1105 command-and-control | 0.537 |
| 0.03 | sample.exe wrote \Device\Http\Communication | 0.237 | |
| 0.03 | sample.exe set HKEY_CURRENT_USER\di | 1.0 | |
| 0.03 | sample.exe set HKEY_CURRENT_USER\Environment\SEE_MASK_NOZONECHECKS | 1.0 | |
| 0.03 | sample.exe set HKEY_CURRENT_USER\Software\10e93180d6481ad63a77c2b255d40864 | 1.0 | |
| 0.03 | sample.exe set HKEY_CURRENT_USER\Software\10e93180d6481ad63a77c2b255d40864\[kl] | 1.0 | |
| 0.03 | sample.exe set HKEY_CURRENT_USER\Software\Classes\Local Settings\MuiCache\6\52C64B7E\LanguageList | 1.0 | |
| 0.03 | sample.exe set HKEY_CURRENT_USER\Software\Classes\Local Settings\MuiCache\6\52C64B7E\@%SystemRoot%\system32\dhcpqec.dll,-100 | 1.0 | |
| 0.04 | sample.exe set HKEY_CURRENT_USER\Software\Classes\Local Settings\MuiCache\6\52C64B7E\@%SystemRoot%\system32\dhcpqec.dll,-101 | 1.0 | |
| 0.04 | sample.exe set HKEY_CURRENT_USER\Software\Classes\Local Settings\MuiCache\6\52C64B7E\@%SystemRoot%\system32\dhcpqec.dll,-103 | 1.0 | |
| 0.04 | sample.exe set HKEY_CURRENT_USER\Software\Classes\Local Settings\MuiCache\6\52C64B7E\@%SystemRoot%\system32\dhcpqec.dll,-102 | 1.0 | |
| 0.04 | sample.exe set HKEY_CURRENT_USER\Software\Classes\Local Settings\MuiCache\6\52C64B7E\@%SystemRoot%\system32\napipsec.dll,-1 | 1.0 | |
| 0.04 | sample.exe set HKEY_CURRENT_USER\Software\Classes\Local Settings\MuiCache\6\52C64B7E\@%SystemRoot%\system32\napipsec.dll,-2 | 1.0 | |
| 0.04 | sample.exe set HKEY_CURRENT_USER\Software\Classes\Local Settings\MuiCache\6\52C64B7E\@%SystemRoot%\system32\napipsec.dll,-4 | 1.0 | |
| 0.04 | sample.exe read HKEY_LOCAL_MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Internet Settings\DisableImprovedZoneCheck | 1.0 | |
| 0.04 | sample.exe read HKEY_LOCAL_MACHINE\SOFTWARE\Policies\Microsoft\Windows\CurrentVersion\Internet Settings\Security_HKLM_only | 1.0 | |
| 0.04 | sample.exe read DisableUserModeCallbackFilter | 1.0 | |
| 0.04 | sample.exe read HKEY_CURRENT_USER\Control Panel\Mouse\SwapMouseButtons | 1.0 | |
| 0.04 | sample.exe read HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Control\Nls\CustomLocale\en-US | 1.0 | |
| 0.05 | sample.exe read HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Control\Nls\ExtendedLocale\en-US | 1.0 | |
| 0.05 | sample.exe read HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Control\Nls\Sorting\Versions\00060101[.]00060101 | 1.0 | |
| 0.05 | sample.exe read HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Control\Nls\Locale\00000409 | 1.0 | |
| 0.05 | sample.exe read HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Control\Nls\Language Groups\1 | 1.0 | |
| 0.05 | sample.exe read HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Control\Lsa\AccessProviders\MartaExtension | 1.0 | |
| 0.05 | sample.exe read HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\GRE_Initialize\DisableMetaFiles | 1.0 | |
| 0.05 | sample.exe read HKEY_LOCAL_MACHINE\SOFTWARE\Wow6432Node\Microsoft\.NETFramework\InstallRoot | 1.0 | |
| 0.05 | sample.exe read HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\SideBySide | 1.0 | |
| 0.05 | sample.exe read HKEY_LOCAL_MACHINE\system\CurrentControlSet\control\NetworkProvider\HwOrder | 1.0 | |
| 0.06 | sample.exe read HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\OLEAUT | 1.0 | |
| 0.06 | sample.exe read HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\Internet Settings | 1.0 | |
| 0.06 | sample.exe read HKEY_LOCAL_MACHINE\Software\Policies\Microsoft\Windows\CurrentVersion\Internet Settings | 1.0 | |
| 0.06 | sample.exe read HKEY_CURRENT_USER\Control Panel\Mouse | 1.0 | |
| 0.06 | sample.exe read HKEY_CURRENT_USER\Software\AutoIt v3\AutoIt | 1.0 | |
| 0.06 | sample.exe read HKEY_LOCAL_MACHINE\System\CurrentControlSet\Control\Nls\CustomLocale | 1.0 |
Provenance graph¶
flowchart LR
n0["process: sample.exe (1000)"]
n1["mutex: bitsperf"]
n2["mutex: Global\CLR_CASOFF_MUTEX"]
n3["mutex: 10e93180d6481ad63a77c2b255d40864"]
n4["mutex: Global\.net clr networking"]
n5["process: RegAsm.exe (1001)"]
n6["process: netsh (1002)"]
n7["file: C:\Windows\WindowsShell.Manifest"]
n8["file: \Device\KsecDD"]
n9["file: C:\Users\comp\AppData\Local\Temp\83DFFD621EFA44CF1A60.exe"]
n10["file: C:\Windows\Globalization\Sorting\sortdefault.nls"]
n11["file: C:\Windows\System32\UxTheme.dll[.]Config"]
n12["file: C:\Windows\System32\uxtheme.dll"]
n13["file: C:\Users\comp\service\svchost.exe"]
n14["file: C:\Users\comp\AppData\Roaming~ocess for Windows Services.url"]
n15["file: C:\Users\comp\service\Host Process for Windows Services.vbs"]
n16["file: C:\Windows\Microsoft.NET\Fram~k\v2.0.50727\RegAsm.exe[.]config"]
n17["file: C:\Windows\Microsoft.NET\Framework\v2.0.50727\mscorwks.dll"]
n18["file: C:\Windows\winsxs\x86_microso~e_d08cc06a442b34fc\msvcr80.dll"]
n19["file: C:\Users"]
n20["file: C:\Users\comp"]
n21["file: C:\Users\comp\AppData"]
n22["file: C:\Users\comp\AppData\Local"]
n23["file: C:\Users\comp\AppData\Local\Temp"]
n24["file: C:\Users\comp\AppData\Local\T~3DFFD621EFA44CF1A60.exe.Local\"]
n25["file: \Device\Http\Communication"]
n26["registry: HKEY_CURRENT_USER\di"]
n27["registry: HKEY_CURRENT_USER\Environment\SEE_MASK_NOZONECHECKS"]
n28["registry: HKEY_CURRENT_USER\Software\10e93180d6481ad63a77c2b255d40864"]
n29["registry: HKEY_CURRENT_USER\Software\10~0d6481ad63a77c2b255d40864\(kl)"]
n30["registry: HKEY_CURRENT_USER\Software\Cl~iCache\6\52C64B7E\LanguageList"]
n31["registry: HKEY_CURRENT_USER\Software\Cl~oot%\system32\dhcpqec.dll,-100"]
n32["registry: HKEY_CURRENT_USER\Software\Cl~oot%\system32\dhcpqec.dll,-101"]
n33["registry: HKEY_CURRENT_USER\Software\Cl~oot%\system32\dhcpqec.dll,-103"]
n34["registry: HKEY_CURRENT_USER\Software\Cl~oot%\system32\dhcpqec.dll,-102"]
n35["registry: HKEY_CURRENT_USER\Software\Cl~Root%\system32\napipsec.dll,-1"]
n36["registry: HKEY_CURRENT_USER\Software\Cl~Root%\system32\napipsec.dll,-2"]
n37["registry: HKEY_CURRENT_USER\Software\Cl~Root%\system32\napipsec.dll,-4"]
n38["registry: HKEY_LOCAL_MACHINE\SOFTWARE\W~tings\DisableImprovedZoneCheck"]
n39["registry: HKEY_LOCAL_MACHINE\SOFTWARE\P~et Settings\Security_HKLM_only"]
n40["registry: DisableUserModeCallbackFilter"]
n41["registry: HKEY_CURRENT_USER\Control Panel\Mouse\SwapMouseButtons"]
n42["registry: HKEY_LOCAL_MACHINE\SYSTEM\Con~Control\Nls\CustomLocale\en-US"]
n43["registry: HKEY_LOCAL_MACHINE\SYSTEM\Con~ntrol\Nls\ExtendedLocale\en-US"]
n44["registry: HKEY_LOCAL_MACHINE\SYSTEM\Con~ing\Versions\00060101[.]00060101"]
n45["registry: HKEY_LOCAL_MACHINE\SYSTEM\Con~01\Control\Nls\Locale\00000409"]
n46["registry: HKEY_LOCAL_MACHINE\SYSTEM\Con~\Control\Nls\Language Groups\1"]
n47["registry: HKEY_LOCAL_MACHINE\SYSTEM\Con~AccessProviders\MartaExtension"]
n48["registry: HKEY_LOCAL_MACHINE\SOFTWARE\M~RE_Initialize\DisableMetaFiles"]
n49["registry: HKEY_LOCAL_MACHINE\SOFTWARE\W~soft\.NETFramework\InstallRoot"]
n50["registry: HKEY_LOCAL_MACHINE\Software\M~dows\CurrentVersion\SideBySide"]
n51["registry: HKEY_LOCAL_MACHINE\system\Cur~ontrol\NetworkProvider\HwOrder"]
n52["registry: HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\OLEAUT"]
n53["registry: HKEY_LOCAL_MACHINE\Software\M~rrentVersion\Internet Settings"]
n54["registry: HKEY_LOCAL_MACHINE\Software\P~rrentVersion\Internet Settings"]
n55["registry: HKEY_CURRENT_USER\Control Panel\Mouse"]
n56["registry: HKEY_CURRENT_USER\Software\AutoIt v3\AutoIt"]
n57["registry: HKEY_LOCAL_MACHINE\System\Cur~olSet\Control\Nls\CustomLocale"]
n0 -->|"created"| n1
n0 -->|"created"| n2
n0 -->|"created"| n3
n0 -->|"created"| n4
n0 -->|"spawned"| n5
n0 -->|"spawned"| n6
n0 -->|"read"| n7
n0 -->|"read"| n8
n0 -->|"read"| n9
n0 -->|"read"| n10
n0 -->|"read"| n11
n0 -->|"read"| n12
n0 -->|"read"| n13
n0 -->|"read"| n14
n0 -->|"read"| n15
n0 -->|"read"| n16
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n0 -->|"read"| n19
n0 -->|"read"| n20
n0 -->|"read"| n21
n0 -->|"read"| n22
n0 -->|"read"| n23
n0 -->|"read"| n24
n0 -->|"wrote"| n13
n0 -->|"wrote"| n14
n0 -->|"wrote"| n15
n0 -->|"wrote"| n25
n0 -->|"set"| n26
n0 -->|"set"| n27
n0 -->|"set"| n28
n0 -->|"set"| n29
n0 -->|"set"| n30
n0 -->|"set"| n31
n0 -->|"set"| n32
n0 -->|"set"| n33
n0 -->|"set"| n34
n0 -->|"set"| n35
n0 -->|"set"| n36
n0 -->|"set"| n37
n0 -->|"read"| n38
n0 -->|"read"| n39
n0 -->|"read"| n40
n0 -->|"read"| n41
n0 -->|"read"| n42
n0 -->|"read"| n43
n0 -->|"read"| n44
n0 -->|"read"| n45
n0 -->|"read"| n46
n0 -->|"read"| n47
n0 -->|"read"| n48
n0 -->|"read"| n49
n0 -->|"read"| n50
n0 -->|"read"| n51
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n0 -->|"read"| n53
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n0 -->|"read"| n55
n0 -->|"read"| n56
n0 -->|"read"| n57
IOCs (defanged)¶
- dropped_files: C:\Users\comp\service\svchost.exe
- registry: HKEY_CURRENT_USER\Environment\SEE_MASK_NOZONECHECKS, HKEY_CURRENT_USER\Software\10e93180d6481ad63a77c2b255d40864, HKEY_CURRENT_USER\Software\10e93180d6481ad63a77c2b255d40864\[kl], HKEY_CURRENT_USER\Software\Classes\Local Settings\MuiCache\6\52C64B7E\@%SystemRoot%\system32\dhcpqec.dll,-100, HKEY_CURRENT_USER\Software\Classes\Local Settings\MuiCache\6\52C64B7E\@%SystemRoot%\system32\dhcpqec.dll,-101, HKEY_CURRENT_USER\Software\Classes\Local Settings\MuiCache\6\52C64B7E\@%SystemRoot%\system32\dhcpqec.dll,-102, HKEY_CURRENT_USER\Software\Classes\Local Settings\MuiCache\6\52C64B7E\@%SystemRoot%\system32\dhcpqec.dll,-103, HKEY_CURRENT_USER\Software\Classes\Local Settings\MuiCache\6\52C64B7E\@%SystemRoot%\system32\napipsec.dll,-1, HKEY_CURRENT_USER\Software\Classes\Local Settings\MuiCache\6\52C64B7E\@%SystemRoot%\system32\napipsec.dll,-2, HKEY_CURRENT_USER\Software\Classes\Local Settings\MuiCache\6\52C64B7E\@%SystemRoot%\system32\napipsec.dll,-4, HKEY_CURRENT_USER\Software\Classes\Local Settings\MuiCache\6\52C64B7E\LanguageList, HKEY_CURRENT_USER\di
YARA¶
import "pe"
rule SPECIMEN_2434c0af980a
{
meta:
author = "SPECIMEN (auto)"
sample_sha256 = "2434c0af980a3a712b4ead907d2bdcd79682c37ce7c6c6a973f87c50d0698391"
confidence = "auto-generated; review before deploy"
condition:
uint16(0) == 0x5A4D and (
pe.imphash() == "afcdf79be1557326c854b6e20cb900a7"
or (
pe.imports("wsock32.dll", "inet_ntoa") +
pe.imports("mpr.dll", "WNetAddConnection2W") +
pe.imports("mpr.dll", "WNetCancelConnection2W") +
pe.imports("wsock32.dll", "htons") +
pe.imports("wsock32.dll", "ioctlsocket") +
pe.imports("wsock32.dll", "ntohs") +
pe.imports("wsock32.dll", "recvfrom") +
pe.imports("wsock32.dll", "setsockopt")
) >= 6
)
}
Sigma 1 - file_event¶
title: 'SPECIMEN auto - file_event pattern'
status: experimental
description: Auto-synthesized from one sandbox run of 2434c0af980a3a71; generalisation rung 2; zero hits on the negative corpus at synthesis time. Review before deploy.
author: SPECIMEN
tags:
- attack.t1547.001
logsource:
product: windows
category: file_event
detection:
selection:
TargetFilename: 'C:\\Users\\*\\AppData\\Roaming\\Microsoft\\Windows\\Start Menu\\Programs\\*\\Host Process for Windows Services.url'
condition: selection
level: medium
Sigma 2 - file_event¶
title: 'SPECIMEN auto - file_event pattern'
status: experimental
description: Auto-synthesized from one sandbox run of 2434c0af980a3a71; generalisation rung 2; zero hits on the negative corpus at synthesis time. Review before deploy.
author: SPECIMEN
tags:
- attack.t1105
logsource:
product: windows
category: file_event
detection:
selection:
TargetFilename: 'C:\\Users\\*\\*\\Host Process for Windows Services.vbs'
condition: selection
level: medium
Sigma 3 - file_event¶
title: 'SPECIMEN auto - file_event pattern'
status: experimental
description: Auto-synthesized from one sandbox run of 2434c0af980a3a71; generalisation rung 2; zero hits on the negative corpus at synthesis time. Review before deploy.
author: SPECIMEN
logsource:
product: windows
category: file_event
detection:
selection:
TargetFilename: '\\Device\\*\\Communication'
condition: selection
level: medium
Sigma 4 - file_event¶
title: 'SPECIMEN auto - file_event pattern'
status: experimental
description: Auto-synthesized from one sandbox run of 2434c0af980a3a71; generalisation rung 1; zero hits on the negative corpus at synthesis time. Review before deploy.
author: SPECIMEN
tags:
- attack.t1105
logsource:
product: windows
category: file_event
detection:
selection:
TargetFilename: 'C:\\Users\\*\\service\\*.exe'
condition: selection
level: medium
Sigma 5 - registry_set¶
title: 'SPECIMEN auto - registry_set pattern'
status: experimental
description: Auto-synthesized from one sandbox run of 2434c0af980a3a71; generalisation rung 1; zero hits on the negative corpus at synthesis time. Review before deploy.
author: SPECIMEN
logsource:
product: windows
category: registry_set
detection:
selection:
TargetObject: 'HKEY_CURRENT_USER\\Software\\Classes\\Local Settings\\MuiCache\\*\\*\\@%SystemRoot%\\system*\\dhcpqec.dll,-*'
condition: selection
level: medium
Sigma 6 - registry_set¶
title: 'SPECIMEN auto - registry_set pattern'
status: experimental
description: Auto-synthesized from one sandbox run of 2434c0af980a3a71; generalisation rung 1; zero hits on the negative corpus at synthesis time. Review before deploy.
author: SPECIMEN
logsource:
product: windows
category: registry_set
detection:
selection:
TargetObject: 'HKEY_CURRENT_USER\\Software\\Classes\\Local Settings\\MuiCache\\*\\*\\@%SystemRoot%\\system*\\napipsec.dll,-*'
condition: selection
level: medium
Sigma 7 - process_creation¶
title: 'SPECIMEN auto - process_creation pattern'
status: experimental
description: Auto-synthesized from one sandbox run of 2434c0af980a3a71; generalisation rung 0; zero hits on the negative corpus at synthesis time. Review before deploy.
author: SPECIMEN
logsource:
product: windows
category: process_creation
detection:
selection:
Image: 'netsh'
CommandLine: '*firewall add allowedprogram "C:\\Windows\\Microsoft.NET\\Framework\\v*.*.*\\RegAsm.exe" "RegAsm.exe" ENABLE*'
condition: selection
level: medium
Sigma 8 - registry_set¶
title: 'SPECIMEN auto - registry_set pattern'
status: experimental
description: Auto-synthesized from one sandbox run of 2434c0af980a3a71; generalisation rung 0; zero hits on the negative corpus at synthesis time. Review before deploy.
author: SPECIMEN
logsource:
product: windows
category: registry_set
detection:
selection:
TargetObject: 'HKEY_CURRENT_USER\\Environment\\SEE_MASK_NOZONECHECKS'
condition: selection
level: medium
Sigma 9 - registry_set¶
title: 'SPECIMEN auto - registry_set pattern'
status: experimental
description: Auto-synthesized from one sandbox run of 2434c0af980a3a71; generalisation rung 0; zero hits on the negative corpus at synthesis time. Review before deploy.
author: SPECIMEN
logsource:
product: windows
category: registry_set
detection:
selection:
TargetObject: 'HKEY_CURRENT_USER\\Software\\10e93180d6481ad63a77c2b255d40864'
condition: selection
level: medium
Sigma 10 - registry_set¶
title: 'SPECIMEN auto - registry_set pattern'
status: experimental
description: Auto-synthesized from one sandbox run of 2434c0af980a3a71; generalisation rung 0; zero hits on the negative corpus at synthesis time. Review before deploy.
author: SPECIMEN
logsource:
product: windows
category: registry_set
detection:
selection:
TargetObject: 'HKEY_CURRENT_USER\\Software\\10e93180d6481ad63a77c2b255d40864\\[kl]'
condition: selection
level: medium
Specificity: 3 Sigma candidate(s) dropped because no generalisation rung was specific enough.
Evidence manifest¶
{
"sample_sha256": null,
"trace_sha256": "2434c0af980a3a712b4ead907d2bdcd79682c37ce7c6c6a973f87c50d0698391",
"trace_run_id": "avast_njrat_1",
"python": "3.12.14",
"specimen_version": "1.1.4",
"execution": "report-only (sandbox report replay; no sample bytes handled)",
"report_content_sha256": "c6a87cee79bed8bc20c97e16e18a0bdf9ac2a5bf0e772e7d1e7b7e2b70047768",
"report_sha256": "2434c0af980a3a712b4ead907d2bdcd79682c37ce7c6c6a973f87c50d0698391",
"sample_sha256_note": "not present in the (reduced) report; rule names use the report hash",
"negative_corpus": {
"packaged": true,
"excluded_family": "njRAT"
}
}