General
- Target GrimRaider.exe
- Size 6.9MB
- Sample260701-mt4dpab13l
- SHA256 a4ef7ac04c729dcd1cbc1951dbaa85a9b7c57bf9d8021cd825d684a9e4dbc998
Malware Config
Targets
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- Target GrimRaider.exe
- Size 6.9MB
- SHA256 a4ef7ac04c729dcd1cbc1951dbaa85a9b7c57bf9d8021cd825d684a9e4dbc998
Score10/10-
Deletes Windows Defender Definitions
Uses mpcmdrun utility to delete all AV definitions.
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Detects BlankGrabber stealer in memory
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Family: blankgrabber
Blankgrabber is an infostealer written in Python and packaged with Pyinstaller.
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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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Clipboard Data
Adversaries may collect data stored in the clipboard from users copying information within or between applications.
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Executes dropped EXE
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Loads dropped DLL
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Reads user/profile data of web browsers
Infostealers often target stored browser data, which can include saved credentials etc.
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Unsecured Credentials: Credentials In Files
Steal credentials from unsecured files.
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Accesses cryptocurrency files/wallets, possible credential harvesting
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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.
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Enumerates processes with tasklist
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UPX packed file
Detects executables packed with UPX/modified UPX open source packer.
MITRE ATT&CK Enterprise v16
Defense Evasion
Impair Defenses
2Disable or Modify Tools
1Obfuscated Files or Information
1Command Obfuscation
1Credential Access
Credentials from Password Stores
1Credentials from Web Browsers
1Unsecured Credentials
3Credentials In Files
3