General
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Target
1fb476576bd4aeb366aa82b6240ff2e8.exe
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Size
4.9MB
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Sample
221014-3ettpsehbq
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MD5
1fb476576bd4aeb366aa82b6240ff2e8
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SHA1
5ae8fba07122131f385bda0274967713d52057db
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SHA256
9f487d16cd0e0548b6bde75853d0cfcd4eb9362f61d101ce55740781e3e04b2d
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SHA512
360fcce899a22c55235078e3a72fe765fdedfeb9fc2effb3851dd629ea372440ca471dbe748a9e23ad41a3015c372f27a28c239c83abb186024b8c19026ebaa6
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SSDEEP
49152:Dl5MTGChZpxtlBBgxchXb/zqP6DUtRgs5q289dAnSz44hnW1XgnYu6fYmPkMSx8E:
Malware Config
Extracted
colibri
1.2.0
Build1
http://zpltcmgodhvvedxtfcygvbgjkvgvcguygytfigj.cc/gate.php
http://yugyuvyugguitgyuigtfyutdtoghghbbgyv.cx/gate.php
Targets
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Target
1fb476576bd4aeb366aa82b6240ff2e8.exe
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Size
4.9MB
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MD5
1fb476576bd4aeb366aa82b6240ff2e8
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SHA1
5ae8fba07122131f385bda0274967713d52057db
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SHA256
9f487d16cd0e0548b6bde75853d0cfcd4eb9362f61d101ce55740781e3e04b2d
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SHA512
360fcce899a22c55235078e3a72fe765fdedfeb9fc2effb3851dd629ea372440ca471dbe748a9e23ad41a3015c372f27a28c239c83abb186024b8c19026ebaa6
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SSDEEP
49152:Dl5MTGChZpxtlBBgxchXb/zqP6DUtRgs5q289dAnSz44hnW1XgnYu6fYmPkMSx8E:
Score10/10-
Colibri Loader
A loader sold as MaaS first seen in August 2021.
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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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UAC bypass
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DCRat payload
Detects payload of DCRat, commonly dropped by NSIS installers.
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Executes dropped EXE
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Checks computer location settings
Looks up country code configured in the registry, likely geofence.
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Reads user/profile data of web browsers
Infostealers often target stored browser data, which can include saved credentials etc.
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Accesses cryptocurrency files/wallets, possible credential harvesting
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Checks whether UAC is enabled
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Looks up external IP address via web service
Uses a legitimate IP lookup service to find the infected system's external IP.
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Suspicious use of SetThreadContext
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