General
- Target skuld.exe
- Size 11.0MB
- Sample260920-trxlpabj7v
- SHA256 5e530bfc4208de55a76605c63e258ffea213981c655b4ef0e829e7eab238cf61
Malware Config
Targets
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- Target skuld.exe
- Size 11.0MB
- SHA256 5e530bfc4208de55a76605c63e258ffea213981c655b4ef0e829e7eab238cf61
Score10/10-
Detects SkuldStealer
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Family: Skuld stealer
An info stealer written in Go lang.
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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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Drops file in Drivers directory
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Executes dropped EXE
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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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Adds Run key to start application
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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
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Event Triggered Execution
1Netsh Helper DLL
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Event Triggered Execution
1Netsh Helper DLL
1Defense Evasion
Hide Artifacts
1Hidden Files and Directories
1Impair Defenses
1Disable or Modify Tools
1Modify Registry
2Obfuscated Files or Information
1Command Obfuscation
1Subvert Trust Controls
2Install Root Certificate
2Credential Access
Credentials from Password Stores
1Credentials from Web Browsers
1Unsecured Credentials
1Credentials In Files
1