General
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Target
19f67bb78038966f9f1efb51ced0819105088a530a32bed8fb0df7b5d47e3f39
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Size
4.9MB
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Sample
241127-y2bt7aymb1
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MD5
1487016c15b347c8975ccf3fab67a56b
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SHA1
7b7135f7ad70842ae1649f7896c1248575a5d421
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SHA256
19f67bb78038966f9f1efb51ced0819105088a530a32bed8fb0df7b5d47e3f39
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SHA512
cd021c8329cd45bc769da1b0505db2752c6e0eb2c7af8c62bcedd0e8307e6e7963e7301769cc04729e9634ac81eeb6f598e50d5890da4076022bd90dbc4f04c2
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SSDEEP
49152:bl5MTGChZpxtlBBgxchXb/zqP6DUtRgs5q289dAnSz44hnW1XgnYu6fYmPkMSx8E:
Static task
static1
Behavioral task
behavioral1
Sample
19f67bb78038966f9f1efb51ced0819105088a530a32bed8fb0df7b5d47e3f39.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
19f67bb78038966f9f1efb51ced0819105088a530a32bed8fb0df7b5d47e3f39
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Size
4.9MB
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MD5
1487016c15b347c8975ccf3fab67a56b
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SHA1
7b7135f7ad70842ae1649f7896c1248575a5d421
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SHA256
19f67bb78038966f9f1efb51ced0819105088a530a32bed8fb0df7b5d47e3f39
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SHA512
cd021c8329cd45bc769da1b0505db2752c6e0eb2c7af8c62bcedd0e8307e6e7963e7301769cc04729e9634ac81eeb6f598e50d5890da4076022bd90dbc4f04c2
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SSDEEP
49152:bl5MTGChZpxtlBBgxchXb/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