General
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Target
https://github.com/Da2dalus/The-MALWARE-Repo/tree/master/Ransomware
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Sample
240729-l3p2zsscql
Static task
static1
URLScan task
urlscan1
Behavioral task
behavioral1
Sample
https://github.com/Da2dalus/The-MALWARE-Repo/tree/master/Ransomware
Resource
win10v2004-20240709-en
Malware Config
Extracted
crimsonrat
185.136.161.124
Extracted
modiloader
https://drive.google.com/u/0/uc?id=1TcSctGVBajYMA7CFDc158wpvqkpxmkhJ&export=download
Targets
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Target
https://github.com/Da2dalus/The-MALWARE-Repo/tree/master/Ransomware
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CrimsonRAT main payload
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ModiLoader, DBatLoader
ModiLoader is a Delphi loader that misuses cloud services to download other malicious families.
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ModiLoader First Stage
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mimikatz is an open source tool to dump credentials on Windows
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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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Checks computer location settings
Looks up country code configured in the registry, likely geofence.
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Executes dropped EXE
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Loads dropped DLL
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Abuse Elevation Control Mechanism: Bypass User Account Control
UAC Bypass Attempt via SilentCleanup Task.
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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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Suspicious use of SetThreadContext
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MITRE ATT&CK Enterprise v15
Execution
Command and Scripting Interpreter
1PowerShell
1Scheduled Task/Job
1Scheduled Task
1Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Scheduled Task/Job
1Scheduled Task
1Privilege Escalation
Abuse Elevation Control Mechanism
1Bypass User Account Control
1Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Scheduled Task/Job
1Scheduled Task
1Defense Evasion
Abuse Elevation Control Mechanism
1Bypass User Account Control
1Modify Registry
2