General
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Target
df7441d82c461f6b1da48da66887f8dbecd474da90623c60e203e4c60af37117
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Size
793KB
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Sample
230608-lpqrcsdg48
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MD5
dc0f0a9f116b8974ac9abd5bbb6e6ad8
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SHA1
a3f3be947e7e2ee2727d0bd0a0e1dc3fcd5fc2de
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SHA256
df7441d82c461f6b1da48da66887f8dbecd474da90623c60e203e4c60af37117
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SHA512
34c243a4bcc4c321b6fe02f74fa91eb375f512b8390f6d33b280ae8395f3bcc5abcecc2f238bbb108d8cd4f8ab4e3e5ce96e7049b61452f5bf9621299c793caf
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SSDEEP
12288:vdep2ePZBBO5eGwJ59yIH6OxNRMh66Db+dAcfTD6aU0iXgRjemnkApW:vdwPZBBbVJjlH6ZYa/dgRjNkApW
Static task
static1
Behavioral task
behavioral1
Sample
df7441d82c461f6b1da48da66887f8dbecd474da90623c60e203e4c60af37117.exe
Resource
win10v2004-20230220-en
Malware Config
Extracted
djvu
http://zexeq.com/raud/get.php
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extension
.neon
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offline_id
0vTA6MA1m5nzrdffOCJC7YmAa4Lp6YNN8lOJ4mt1
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payload_url
http://colisumy.com/dl/build2.exe
http://zexeq.com/files/1/build3.exe
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ransomnote
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Extracted
vidar
4.2
a81bcf59d85e6e13257840e65b9d1da8
https://steamcommunity.com/profiles/76561199511129510
https://t.me/rechnungsbetrag
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profile_id_v2
a81bcf59d85e6e13257840e65b9d1da8
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user_agent
Mozilla/5.0 (Windows NT 6.3; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/75.0.3770.38 Safari/537.36 Brave/75
Targets
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Target
df7441d82c461f6b1da48da66887f8dbecd474da90623c60e203e4c60af37117
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Size
793KB
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MD5
dc0f0a9f116b8974ac9abd5bbb6e6ad8
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SHA1
a3f3be947e7e2ee2727d0bd0a0e1dc3fcd5fc2de
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SHA256
df7441d82c461f6b1da48da66887f8dbecd474da90623c60e203e4c60af37117
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SHA512
34c243a4bcc4c321b6fe02f74fa91eb375f512b8390f6d33b280ae8395f3bcc5abcecc2f238bbb108d8cd4f8ab4e3e5ce96e7049b61452f5bf9621299c793caf
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SSDEEP
12288:vdep2ePZBBO5eGwJ59yIH6OxNRMh66Db+dAcfTD6aU0iXgRjemnkApW:vdwPZBBbVJjlH6ZYa/dgRjNkApW
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Detected Djvu ransomware
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Downloads MZ/PE file
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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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Loads dropped DLL
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Modifies file permissions
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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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