General
- Target spoofer.exe
- Size 3.5MB
- Sample240902-m5ppnsydpl
- SHA256 ddb51226b6d3d1533056c37154572fdf496da7c13e60749cf56b0a18c9b91345
Score
10/10
Malware Config
Targets
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- Target spoofer.exe
- Size 3.5MB
- SHA256 ddb51226b6d3d1533056c37154572fdf496da7c13e60749cf56b0a18c9b91345
Score10/10-
Detect Umbral payload
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Umbral
Umbral stealer is an opensource moduler stealer written in C#.
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Credentials from Password Stores: Credentials from Web Browsers
Malicious Access or copy of Web Browser Credential store.
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Renames multiple (87) files with added filename extension
This suggests ransomware activity of encrypting all the files on the system.
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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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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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Legitimate hosting services abused for malware hosting/C2
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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.
MITRE ATT&CK Enterprise v15
Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Defense Evasion
Hide Artifacts
1Hidden Files and Directories
1Modify Registry
1Credential Access
Credentials from Password Stores
1Credentials from Web Browsers
1Unsecured Credentials
1Credentials In Files
1