General
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Target
b8a5a65f1c36e6e16080dfa07bbcb2296023b1092006dcdf5ea49c9b46be166eN
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Size
4.9MB
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Sample
240922-pzw8nszfqn
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MD5
c31fedba9ce9222a356e7715a3c34920
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SHA1
0461a57e40a68464e8bd0c1a8450013da3b343d7
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SHA256
b8a5a65f1c36e6e16080dfa07bbcb2296023b1092006dcdf5ea49c9b46be166e
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SHA512
86a6e7190b99a8f204871f28b6614e7c44d9fb6bbf9118afdcc1d81094aa2de72b5ca0e415bf408b84fcfc3fd715482139f69f11e64189f60c1bc647bffc0632
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SSDEEP
49152:jl5MTGChZpxtlBBgxchXb/zqP6DUtRgs5q289dAnSz44hnW1XgnYu6fYmPkMSx8E:
Static task
static1
Behavioral task
behavioral1
Sample
b8a5a65f1c36e6e16080dfa07bbcb2296023b1092006dcdf5ea49c9b46be166eN.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
b8a5a65f1c36e6e16080dfa07bbcb2296023b1092006dcdf5ea49c9b46be166eN
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Size
4.9MB
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MD5
c31fedba9ce9222a356e7715a3c34920
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SHA1
0461a57e40a68464e8bd0c1a8450013da3b343d7
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SHA256
b8a5a65f1c36e6e16080dfa07bbcb2296023b1092006dcdf5ea49c9b46be166e
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SHA512
86a6e7190b99a8f204871f28b6614e7c44d9fb6bbf9118afdcc1d81094aa2de72b5ca0e415bf408b84fcfc3fd715482139f69f11e64189f60c1bc647bffc0632
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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