General
- Target zov.exe
- Size 19.5MB
- Sample260813-w3mxqswemb
- SHA256 32b2a9e4af7847682b0ec5c168ef8e9af3b0e9b25788211e105ca00b80c785ff
- MD5 957c29304c8c7210f82d06efc7ac6753
- SHA1 ace0d1973aa2adeef0fd88fab151c25842092e63
- SHA512 a9f2ca342990888fb2b62069f2b30eccce4ad4d7a7ee0fe51d751fd4d50c5590ccb00bbf5eb98440dba7dca3fcf75b4e1db086e4cf386e80b7f4e59e6453747f
- SSDEEP 393216:Ypexm9IRnV4qHA+4qXJ8/Gic4oyj6KIVKzQv/:j89Sza0SVNYVKY
- TLSH T10227BFF1184287A9AF6C76B080E785BDBBF2574A3BE2C8E1D70DDD0578518442FAB85C
- MD5 SHA1 SHA512 SSDEEP TLSH
Static task
static1
Behavioral task
behavioral1
Sample
zov.exe
Resource
win10v2004-20260513-en
Behavioral task
behavioral2
Sample
zov.exe
Resource
win11ltsc2024-20260709-en
Malware Config
Extracted
-
umbral
-
v1.3
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https://discord.com/api/webhooks/1537526710382235799/C6oPE7BtUvPcKAJpF291EvCmAuZrVbCGZC1l-5R6jOVe4VTdFAdmXacWdsYp27GbP0ui
Extracted
-
sheetrat
-
2.6.4
-
91.92.47.228:1388
Targets
-
- Target zov.exe
- Size 19.5MB
- SHA256 32b2a9e4af7847682b0ec5c168ef8e9af3b0e9b25788211e105ca00b80c785ff
- MD5 957c29304c8c7210f82d06efc7ac6753
- SHA1 ace0d1973aa2adeef0fd88fab151c25842092e63
- SHA512 a9f2ca342990888fb2b62069f2b30eccce4ad4d7a7ee0fe51d751fd4d50c5590ccb00bbf5eb98440dba7dca3fcf75b4e1db086e4cf386e80b7f4e59e6453747f
- SSDEEP 393216:Ypexm9IRnV4qHA+4qXJ8/Gic4oyj6KIVKzQv/:j89Sza0SVNYVKY
- TLSH T10227BFF1184287A9AF6C76B080E785BDBBF2574A3BE2C8E1D70DDD0578518442FAB85C
- MD5 SHA1 SHA512 SSDEEP TLSH
-
Detects Sheetrat obfuscated V1.8 and higher
Sheetrat aka NonEuclid RAT is a trojan written in C#.
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Detects Sheetrat obfuscated version
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Detects Umbral payload
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Modifies WinLogon for persistence
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Command and Scripting Interpreter: PowerShell
Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.
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Disables one or more Microsoft Defender components
Uses the Powershell Set-MpPreference cmdlet to disable one or more Microsoft Defender components.
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Downloads MZ/PE file
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Drops file in Drivers directory
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Event Triggered Execution: AppInit DLLs
Adversaries may establish persistence and/or elevate privileges by executing malicious content triggered by AppInit DLLs loaded into processes.
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Checks computer location settings
Looks up country code configured in the registry, likely geofence.
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Disables automatic submission of suspicious files to Microsoft by Windows Defender
Uses the Powershell Set-MpPreference cmdlet to prevent Windows Defender from automatically sending files to Microsoft for analysis.
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Executes dropped EXE
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Loads dropped DLL
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Adds Run key to start application
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Checks whether UAC is enabled
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Contacts third-party web service commonly abused for C2
Legitimate web (hosting) services can be abused by malware authors to host malware or C2s.
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Looks up external IP address via web service
Uses a legitimate IP lookup service to find the infected system's external IP.
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Obfuscated Files or Information: Command Obfuscation
Adversaries may obfuscate content during command execution to impede detection.
MITRE ATT&CK Enterprise v16
Execution
Command and Scripting Interpreter
2PowerShell
1Windows Command Shell
1Scheduled Task/Job
1Scheduled Task
1Persistence
Boot or Logon Autostart Execution
2Registry Run Keys / Startup Folder
1Winlogon Helper DLL
1Event Triggered Execution
1AppInit DLLs
1Scheduled Task/Job
1Scheduled Task
1Privilege Escalation
Boot or Logon Autostart Execution
2Registry Run Keys / Startup Folder
1Winlogon Helper DLL
1Event Triggered Execution
1AppInit DLLs
1Scheduled Task/Job
1Scheduled Task
1Defense Evasion
Hide Artifacts
1Hidden Files and Directories
1Impair Defenses
2Disable or Modify Tools
2Modify Registry
2Obfuscated Files or Information
1Command Obfuscation
1Credential Access
Credentials from Password Stores
1Credentials from Web Browsers
1Unsecured Credentials
1Credentials In Files
1