General
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Target
f675c9590aa70b92af054bbd4e63bb70N.exe
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Size
4.9MB
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Sample
240906-bfp4csybkb
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MD5
f675c9590aa70b92af054bbd4e63bb70
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SHA1
61b97bb45293faf091855b8c4dc623dc1d6c0068
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SHA256
3e7c17750f02bfba0b1870edaace58265a28d8f15d620393453d9274d7003e3e
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SHA512
5ff6e8f4b7090bdb784ecae861dd9e0ebb98eac3bdc539de78230be7285d912c49eab30c8b1d956c80004192e028a3505dbe951877c792deb03bc130c72bf5c9
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SSDEEP
49152:rl5MTGChZpxtlBBgxchXb/zqP6DUtRgs5q289dAnSz44hnW1XgnYu6fYmPkMSx8E:
Static task
static1
Behavioral task
behavioral1
Sample
f675c9590aa70b92af054bbd4e63bb70N.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
f675c9590aa70b92af054bbd4e63bb70N.exe
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Size
4.9MB
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MD5
f675c9590aa70b92af054bbd4e63bb70
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SHA1
61b97bb45293faf091855b8c4dc623dc1d6c0068
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SHA256
3e7c17750f02bfba0b1870edaace58265a28d8f15d620393453d9274d7003e3e
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SHA512
5ff6e8f4b7090bdb784ecae861dd9e0ebb98eac3bdc539de78230be7285d912c49eab30c8b1d956c80004192e028a3505dbe951877c792deb03bc130c72bf5c9
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SSDEEP
49152:rl5MTGChZpxtlBBgxchXb/zqP6DUtRgs5q289dAnSz44hnW1XgnYu6fYmPkMSx8E:
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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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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