General
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Target
http://wearedevs.net
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Sample
241214-f44nwatncx
Static task
static1
URLScan task
urlscan1
Behavioral task
behavioral1
Sample
http://wearedevs.net
Resource
win10v2004-20241007-en
windows10-2004-x64
29 signatures
1800 seconds
Malware Config
Extracted
Family
crimsonrat
C2
185.136.161.124
Targets
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Target
http://wearedevs.net
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CrimsonRAT main payload
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Crimsonrat family
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Darkcomet family
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Modifies WinLogon for persistence
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Process spawned unexpected child process
This typically indicates the parent process was compromised via an exploit or macro.
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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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Executes dropped EXE
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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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Drops file in System32 directory
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MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
2Registry Run Keys / Startup Folder
1Winlogon Helper DLL
1Privilege Escalation
Boot or Logon Autostart Execution
2Registry Run Keys / Startup Folder
1Winlogon Helper DLL
1Defense Evasion
Hide Artifacts
2Hidden Files and Directories
2Modify Registry
2