General
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Target
bc13b91c624a83201054fb4958f229f0N
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Size
4.9MB
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Sample
240913-ex8htavblc
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MD5
bc13b91c624a83201054fb4958f229f0
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SHA1
e27bb3f83e915fff4a688543cc1c2077f7772683
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SHA256
7cdfdfd48788451694fbaf74b9577f4b0f2233bdc08dc5989f65affa61ab5b6e
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SHA512
99c8350b74759c11ef9f0a52091127624d0fb2105f836799733bb48104a7e4b6d4fa5cf27588c6f32c43370f4e373a1415b055240778d1a689a20691ba550077
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SSDEEP
49152:jl5MTGChZpxtlBBgxchXb/zqP6DUtRgs5q289dAnSz44hnW1XgnYu6fYmPkMSx8E:
Static task
static1
Behavioral task
behavioral1
Sample
bc13b91c624a83201054fb4958f229f0N.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
bc13b91c624a83201054fb4958f229f0N
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Size
4.9MB
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MD5
bc13b91c624a83201054fb4958f229f0
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SHA1
e27bb3f83e915fff4a688543cc1c2077f7772683
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SHA256
7cdfdfd48788451694fbaf74b9577f4b0f2233bdc08dc5989f65affa61ab5b6e
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SHA512
99c8350b74759c11ef9f0a52091127624d0fb2105f836799733bb48104a7e4b6d4fa5cf27588c6f32c43370f4e373a1415b055240778d1a689a20691ba550077
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SSDEEP
49152:jl5MTGChZpxtlBBgxchXb/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