General
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Target
756cbd9f6a66ab84ffb1c78f2d054b61c91797d3e85919aac35d8fbf3ef560b1N.exe
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Size
4.9MB
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Sample
241204-x2ny3sxjdy
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MD5
1bb1f6509357d3d40ecab459efc44290
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SHA1
61f543cf1d45c98cc1e9042136537596ff94ed81
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SHA256
756cbd9f6a66ab84ffb1c78f2d054b61c91797d3e85919aac35d8fbf3ef560b1
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SHA512
0cddafaf5705ab544213bec159df6a70aa9e9bc6cef020f2cbb9a24bb40d21ea6220ecbfa49540ae114be0ef3845324c8687927dee594b818b150980fd0c9be7
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SSDEEP
49152:jl5MTGChZpxtlBBgxchXb/zqP6DUtRgs5q289dAnSz44hnW1XgnYu6fYmPkMSx8E:
Static task
static1
Behavioral task
behavioral1
Sample
756cbd9f6a66ab84ffb1c78f2d054b61c91797d3e85919aac35d8fbf3ef560b1N.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
756cbd9f6a66ab84ffb1c78f2d054b61c91797d3e85919aac35d8fbf3ef560b1N.exe
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Size
4.9MB
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MD5
1bb1f6509357d3d40ecab459efc44290
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SHA1
61f543cf1d45c98cc1e9042136537596ff94ed81
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SHA256
756cbd9f6a66ab84ffb1c78f2d054b61c91797d3e85919aac35d8fbf3ef560b1
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SHA512
0cddafaf5705ab544213bec159df6a70aa9e9bc6cef020f2cbb9a24bb40d21ea6220ecbfa49540ae114be0ef3845324c8687927dee594b818b150980fd0c9be7
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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