General
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Target
5a906bf080272a10250bf99b76c30d9c0e69c7c49b215e48787b4f9fd0804c35
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Size
146KB
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Sample
221001-3gfd4abhc5
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MD5
f7a8b1a45ab327f5c56dfca32db9387d
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SHA1
ddfb2e42cac24e8b5b578823c763f46dc0f9ea19
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SHA256
5a906bf080272a10250bf99b76c30d9c0e69c7c49b215e48787b4f9fd0804c35
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SHA512
6aa3afe5beae67ac529398d91dd1e4cd9a865942f8ceb7f1dcf45ad7397892e15eb81c7c653c29f10d277ea6e56f624046d7fb471730fd8ef2f466820175ce54
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SSDEEP
1536:784etxosm06FORMT2sPvR5rFklJbL4IATNysrVZjMRhJsUlOX4srBRF22lKLvlhf:78LzpsPvRPeJXLMZkZxmijlxr
Static task
static1
Behavioral task
behavioral1
Sample
5a906bf080272a10250bf99b76c30d9c0e69c7c49b215e48787b4f9fd0804c35.exe
Resource
win10-20220812-en
Malware Config
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
raccoon
1a17d9aed7a239440deb75d7a177f406
http://193.38.55.180/
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
5a906bf080272a10250bf99b76c30d9c0e69c7c49b215e48787b4f9fd0804c35
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Size
146KB
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MD5
f7a8b1a45ab327f5c56dfca32db9387d
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SHA1
ddfb2e42cac24e8b5b578823c763f46dc0f9ea19
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SHA256
5a906bf080272a10250bf99b76c30d9c0e69c7c49b215e48787b4f9fd0804c35
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SHA512
6aa3afe5beae67ac529398d91dd1e4cd9a865942f8ceb7f1dcf45ad7397892e15eb81c7c653c29f10d277ea6e56f624046d7fb471730fd8ef2f466820175ce54
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SSDEEP
1536:784etxosm06FORMT2sPvR5rFklJbL4IATNysrVZjMRhJsUlOX4srBRF22lKLvlhf:78LzpsPvRPeJXLMZkZxmijlxr
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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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