General
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Target
287526315843ee93b7fa8dd61f37e9d9be0c6eda8115c17e1fb26af5a16a3924.exe
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Size
4.9MB
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Sample
241117-a162yaxdpf
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MD5
397875ccdde144b8118a6c31e9f2ddf5
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SHA1
2dd084fb6fcf3f88ec0e377e3d588e72db36a7e7
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SHA256
287526315843ee93b7fa8dd61f37e9d9be0c6eda8115c17e1fb26af5a16a3924
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SHA512
d596ef357651886280750397c6d46c2cd67c452dd66181ba6cee487c6b8f2780f6e9d7e313809860ff258507d3c05b6c0a13ecdb5527c8be54fb3e4ff84684d7
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SSDEEP
49152:bl5MTGChZpxtlBBgxchXb/zqP6DUtRgs5q289dAnSz44hnW1XgnYu6fYmPkMSx8I:Q
Static task
static1
Behavioral task
behavioral1
Sample
287526315843ee93b7fa8dd61f37e9d9be0c6eda8115c17e1fb26af5a16a3924.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
287526315843ee93b7fa8dd61f37e9d9be0c6eda8115c17e1fb26af5a16a3924.exe
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Size
4.9MB
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MD5
397875ccdde144b8118a6c31e9f2ddf5
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SHA1
2dd084fb6fcf3f88ec0e377e3d588e72db36a7e7
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SHA256
287526315843ee93b7fa8dd61f37e9d9be0c6eda8115c17e1fb26af5a16a3924
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SHA512
d596ef357651886280750397c6d46c2cd67c452dd66181ba6cee487c6b8f2780f6e9d7e313809860ff258507d3c05b6c0a13ecdb5527c8be54fb3e4ff84684d7
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SSDEEP
49152:bl5MTGChZpxtlBBgxchXb/zqP6DUtRgs5q289dAnSz44hnW1XgnYu6fYmPkMSx8I:Q
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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