General
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Target
0a8b61ef492837674d8faf6fd87897dd12857db5645b49c83f0e5d067a6db003N.exe
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Size
4.9MB
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Sample
241203-am97fazpcx
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MD5
613c17af7e79ea0696b12a8d2a4b99e0
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SHA1
3c1fa83f993484fffb9def759879c320750d8ddc
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SHA256
0a8b61ef492837674d8faf6fd87897dd12857db5645b49c83f0e5d067a6db003
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SHA512
3ccc372ca5dc7ca97f6050ae8b42c3b0d839bda5c8237b256a443e9246fa0fc36d256d6ae5b001d298f5e9253a98f68edce0c652d2a9f85bc7af542c00c52f15
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SSDEEP
49152:jl5MTGChZpxtlBBgxchXb/zqP6DUtRgs5q289dAnSz44hnW1XgnYu6fYmPkMSx8E:
Static task
static1
Behavioral task
behavioral1
Sample
0a8b61ef492837674d8faf6fd87897dd12857db5645b49c83f0e5d067a6db003N.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
0a8b61ef492837674d8faf6fd87897dd12857db5645b49c83f0e5d067a6db003N.exe
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Size
4.9MB
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MD5
613c17af7e79ea0696b12a8d2a4b99e0
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SHA1
3c1fa83f993484fffb9def759879c320750d8ddc
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SHA256
0a8b61ef492837674d8faf6fd87897dd12857db5645b49c83f0e5d067a6db003
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SHA512
3ccc372ca5dc7ca97f6050ae8b42c3b0d839bda5c8237b256a443e9246fa0fc36d256d6ae5b001d298f5e9253a98f68edce0c652d2a9f85bc7af542c00c52f15
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SSDEEP
49152:jl5MTGChZpxtlBBgxchXb/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