General
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Target
cf921d1455bdea010d4567d0eb25ca74db7f57e50da41677166b906e8227a5a3
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Size
133KB
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Sample
221002-hc3zdacca9
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MD5
3ecc4d46f5562cd7d5a545c3983bb523
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SHA1
09d98f9dd8a6d0a681815ee2a0fc9263fbc21bd5
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SHA256
cf921d1455bdea010d4567d0eb25ca74db7f57e50da41677166b906e8227a5a3
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SHA512
1426056c6735f59e9148057e671ad07dea005c9b28f58101dcc265b4b2870e43e7bd0f47990aef1da0a26668e7531b289d348e8e4c02fe0c992677661204bdfa
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SSDEEP
3072:dggIScxRjkFSkMiEgnG2r9ql5o6ZFLFu9PyUG:3AHiEJe6s
Static task
static1
Behavioral task
behavioral1
Sample
cf921d1455bdea010d4567d0eb25ca74db7f57e50da41677166b906e8227a5a3.exe
Resource
win10-20220812-en
Malware Config
Extracted
raccoon
1a17d9aed7a239440deb75d7a177f406
http://193.38.55.180/
Extracted
djvu
http://winnlinne.com/lancer/get.php
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extension
.ofww
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offline_id
xkNzhkB1wvgoDI7Uo0HPNLY3qCuwoFpP7nlhlut1
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payload_url
http://rgyui.top/dl/build2.exe
http://winnlinne.com/files/1/build3.exe
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ransomnote
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Extracted
vidar
54.7
517
https://t.me/trampapanam
https://nerdculture.de/@yoxhyp
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profile_id
517
Targets
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Target
cf921d1455bdea010d4567d0eb25ca74db7f57e50da41677166b906e8227a5a3
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Size
133KB
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MD5
3ecc4d46f5562cd7d5a545c3983bb523
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SHA1
09d98f9dd8a6d0a681815ee2a0fc9263fbc21bd5
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SHA256
cf921d1455bdea010d4567d0eb25ca74db7f57e50da41677166b906e8227a5a3
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SHA512
1426056c6735f59e9148057e671ad07dea005c9b28f58101dcc265b4b2870e43e7bd0f47990aef1da0a26668e7531b289d348e8e4c02fe0c992677661204bdfa
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SSDEEP
3072:dggIScxRjkFSkMiEgnG2r9ql5o6ZFLFu9PyUG:3AHiEJe6s
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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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Detected Djvu ransomware
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Downloads MZ/PE file
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Executes dropped EXE
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Deletes itself
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Loads dropped DLL
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Modifies file permissions
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Accesses Microsoft Outlook profiles
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Accesses cryptocurrency files/wallets, possible credential harvesting
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Adds Run key to start application
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Checks installed software on the system
Looks up Uninstall key entries in the registry to enumerate software on the system.
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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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