General
- Target stuff.exe
- Size 16.9MB
- Sample260831-tb4eascm6x
- SHA256 255742e073491571083d13102efa262d36b7e765f3e5bf0231dd9d4e9ca28d54
- MD5 0a2b03d875f8c1a5c998468e26a9fa60
- SHA1 8e167937f8e74d571e4af9e82bee041692beb4b3
- SHA512 5e55679c930f66f8811a820164a9541f9f30e7959d8e27836d0424fd62946e5d0a3d16b67c1e970fae5d7d3d9d30d7493177d7888654d380425633edb38e2ad1
- SSDEEP 393216:vqoIuQXEAphVtB510MjyBrnpASVKaT/vUr5W5B:vqoIpRphn10Mk7mtabvUr5WD
- TLSH T17C073368BB4000FBE5FA503D58A2CC62E6F276570B91D2EF17A012652F7B5F09E3DA50
- MD5 SHA1 SHA512 SSDEEP TLSH
Behavioral task
behavioral1
Sample
stuff.exe
Resource
win10ltsc2021-20260513-en
Behavioral task
behavioral2
Sample
stuff.exe
Resource
win11-20260513-en
Malware Config
Targets
-
- Target stuff.exe
- Size 16.9MB
- SHA256 255742e073491571083d13102efa262d36b7e765f3e5bf0231dd9d4e9ca28d54
- MD5 0a2b03d875f8c1a5c998468e26a9fa60
- SHA1 8e167937f8e74d571e4af9e82bee041692beb4b3
- SHA512 5e55679c930f66f8811a820164a9541f9f30e7959d8e27836d0424fd62946e5d0a3d16b67c1e970fae5d7d3d9d30d7493177d7888654d380425633edb38e2ad1
- SSDEEP 393216:vqoIuQXEAphVtB510MjyBrnpASVKaT/vUr5W5B:vqoIpRphn10Mk7mtabvUr5WD
- TLSH T17C073368BB4000FBE5FA503D58A2CC62E6F276570B91D2EF17A012652F7B5F09E3DA50
- MD5 SHA1 SHA512 SSDEEP TLSH
-
Deletes shadow copies
Ransomware often targets backup files to inhibit system recovery.
-
Renames multiple (119) files with added filename extension
This suggests ransomware activity of encrypting all the files on the system.
-
Command and Scripting Interpreter: PowerShell
Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.
-
Detects potential anti-termination behavior
Detects RtlSetProcessIsCritical or NtSetInformationProcess references associated with process criticality, likely enabling anti-termination behavior that may trigger a BSOD if the process is terminated.
-
Disables one or more Microsoft Defender components
Uses the Powershell Set-MpPreference cmdlet to disable one or more Microsoft Defender components.
-
Creates a file in the Startup directory
A file was written to a Windows startup folder. Files in these directories are executed automatically when a user logs on or an application initializes.
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Loads dropped DLL
-
Adds Run key to start application
-
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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Detects references to legitimate web services potentially used as dead drop resolvers
Detects Telegram, Steam, and other legitimate web-service references that may be used to retrieve secondary C2 infrastructure.
-
Drops desktop.ini file(s)
-
Looks up external IP address via web service
Uses a legitimate IP lookup service to find the infected system's external IP.
MITRE ATT&CK Enterprise v16
Execution
Command and Scripting Interpreter
3PowerShell
2Windows Command Shell
1Scheduled Task/Job
1Scheduled Task
1Windows Management Instrumentation
1Persistence
Boot or Logon Autostart Execution
2Registry Run Keys / Startup Folder
2Create or Modify System Process
1Windows Service
1Event Triggered Execution
1Netsh Helper DLL
1Scheduled Task/Job
1Scheduled Task
1Privilege Escalation
Boot or Logon Autostart Execution
2Registry Run Keys / Startup Folder
2Create or Modify System Process
1Windows Service
1Event Triggered Execution
1Netsh Helper DLL
1Scheduled Task/Job
1Scheduled Task
1Defense Evasion
Direct Volume Access
1Impair Defenses
2Disable or Modify Tools
2Indicator Removal
2File Deletion
2Modify Registry
2Credential Access
Credentials from Password Stores
1Credentials from Web Browsers
1Unsecured Credentials
1Credentials In Files
1