General
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Target
https://gitlab.com/3000IQPlay/Grim-3.0
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Sample
240809-svt5aswdma
Static task
static1
URLScan task
urlscan1
Behavioral task
behavioral1
Sample
https://gitlab.com/3000IQPlay/Grim-3.0
Resource
win10v2004-20240802-en
Malware Config
Extracted
C:\Users\Admin\Desktop\@[email protected]
wannacry
12t9YDPgwueZ9NyMgw519p7AA8isjr6SMw
Targets
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Target
https://gitlab.com/3000IQPlay/Grim-3.0
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BadRabbit
Ransomware family discovered in late 2017, mainly targeting Russia and Ukraine.
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Modifies WinLogon for persistence
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Modifies visibility of file extensions in Explorer
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Deletes shadow copies
Ransomware often targets backup files to inhibit system recovery.
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Blocklisted process makes network request
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Downloads MZ/PE file
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Checks computer location settings
Looks up country code configured in the registry, likely geofence.
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Drops startup file
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Executes dropped EXE
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Loads dropped DLL
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Modifies file permissions
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Adds Run key to start application
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Enumerates connected drives
Attempts to read the root path of hard drives other than the default C: drive.
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File and Directory Permissions Modification: Windows File and Directory Permissions Modification
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Legitimate hosting services abused for malware hosting/C2
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Drops file in System32 directory
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Sets desktop wallpaper using registry
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MITRE ATT&CK Matrix ATT&CK v13
Execution
Windows Management Instrumentation
1Scheduled Task/Job
1Scheduled Task
1Persistence
Boot or Logon Autostart Execution
2Registry Run Keys / Startup Folder
1Winlogon Helper DLL
1Scheduled Task/Job
1Scheduled Task
1Privilege Escalation
Boot or Logon Autostart Execution
2Registry Run Keys / Startup Folder
1Winlogon Helper DLL
1Abuse Elevation Control Mechanism
1Bypass User Account Control
1Scheduled Task/Job
1Scheduled Task
1Defense Evasion
Modify Registry
7Hide Artifacts
2Hidden Files and Directories
2Abuse Elevation Control Mechanism
1Bypass User Account Control
1Impair Defenses
1Disable or Modify Tools
1Indicator Removal
1File Deletion
1File and Directory Permissions Modification
2Windows File and Directory Permissions Modification
1Subvert Trust Controls
1SIP and Trust Provider Hijacking
1