General
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Target
42f46905a7047aed5991b84bbf1696034447c5758ec1ffcc26f743d71799f986N.exe
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Size
4.9MB
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Sample
241126-afas1atlgs
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MD5
c4f491ec0a2f5bafc5d099a48035fe40
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SHA1
b43d26d51afced257db87d8b712182f677fc1c34
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SHA256
42f46905a7047aed5991b84bbf1696034447c5758ec1ffcc26f743d71799f986
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SHA512
09c65c27e810a797ab6e5630b099b912965a513a74ec285093b41c5796a9a7c574c9cf0896501c1e1787f52c771d07ae185a47a67160029df206366a227319dc
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SSDEEP
49152:rl5MTGChZpxtlBBgxchXb/zqP6DUtRgs5q289dAnSz44hnW1XgnYu6fYmPkMSx8E:
Static task
static1
Behavioral task
behavioral1
Sample
42f46905a7047aed5991b84bbf1696034447c5758ec1ffcc26f743d71799f986N.exe
Resource
win7-20240903-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
42f46905a7047aed5991b84bbf1696034447c5758ec1ffcc26f743d71799f986N.exe
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Size
4.9MB
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MD5
c4f491ec0a2f5bafc5d099a48035fe40
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SHA1
b43d26d51afced257db87d8b712182f677fc1c34
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SHA256
42f46905a7047aed5991b84bbf1696034447c5758ec1ffcc26f743d71799f986
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SHA512
09c65c27e810a797ab6e5630b099b912965a513a74ec285093b41c5796a9a7c574c9cf0896501c1e1787f52c771d07ae185a47a67160029df206366a227319dc
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SSDEEP
49152:rl5MTGChZpxtlBBgxchXb/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