General
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Target
0f65cda1b8996dcb7b0352359dc6226e69f010a7d9f4335e64acecaad904f4b5N.exe
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Size
4.9MB
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Sample
241219-nnf7mssnb1
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MD5
8ae5271e85f7f0ff3bd5df1f96d57b40
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SHA1
9bb09274523bc1b88f7c48922549a9c7464f2027
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SHA256
0f65cda1b8996dcb7b0352359dc6226e69f010a7d9f4335e64acecaad904f4b5
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SHA512
4b02bc90828f55e2510221b6c334d4c4ebe706be3ab8371b1e222bf8cd939407a40e76a0d1d1df3d14309c7ca6eec89c96bb7dc590ed990206e773577a17d8e6
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SSDEEP
49152:Ll5MTGChZpxtlBBgxchXb/zqP6DUtRgs5q289dAnSz44hnW1XgnYu6fYmPkMSx8E:
Static task
static1
Behavioral task
behavioral1
Sample
0f65cda1b8996dcb7b0352359dc6226e69f010a7d9f4335e64acecaad904f4b5N.exe
Resource
win7-20240708-en
Malware Config
Extracted
colibri
1.2.0
Build1
http://zpltcmgodhvvedxtfcygvbgjkvgvcguygytfigj.cc/gate.php
http://yugyuvyugguitgyuigtfyutdtoghghbbgyv.cx/gate.php
Targets
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Target
0f65cda1b8996dcb7b0352359dc6226e69f010a7d9f4335e64acecaad904f4b5N.exe
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Size
4.9MB
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MD5
8ae5271e85f7f0ff3bd5df1f96d57b40
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SHA1
9bb09274523bc1b88f7c48922549a9c7464f2027
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SHA256
0f65cda1b8996dcb7b0352359dc6226e69f010a7d9f4335e64acecaad904f4b5
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SHA512
4b02bc90828f55e2510221b6c334d4c4ebe706be3ab8371b1e222bf8cd939407a40e76a0d1d1df3d14309c7ca6eec89c96bb7dc590ed990206e773577a17d8e6
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SSDEEP
49152:Ll5MTGChZpxtlBBgxchXb/zqP6DUtRgs5q289dAnSz44hnW1XgnYu6fYmPkMSx8E:
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Colibri family
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DcRat
DarkCrystal(DC) is a new .NET RAT active since June 2019 capable of loading additional plugins.
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Dcrat family
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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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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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Suspicious use of SetThreadContext
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MITRE ATT&CK Enterprise v15
Execution
Command and Scripting Interpreter
1PowerShell
1Scheduled Task/Job
1Scheduled Task
1Privilege Escalation
Abuse Elevation Control Mechanism
1Bypass User Account Control
1Scheduled Task/Job
1Scheduled Task
1Defense Evasion
Abuse Elevation Control Mechanism
1Bypass User Account Control
1Impair Defenses
1Disable or Modify Tools
1Modify Registry
2