General
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Target
098ee1f5838d23fe2f4488b72b14de7266ad8910e8a8ce93486b4a9dcec6a2cf
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Size
791KB
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Sample
221005-elfzesdeem
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MD5
9115d9e52997abbf71ff2cb5688f7a7c
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SHA1
0b6b1ad9cb0cc28d2a89a92fb97f78c61e937619
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SHA256
098ee1f5838d23fe2f4488b72b14de7266ad8910e8a8ce93486b4a9dcec6a2cf
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SHA512
23e7b79e4fcda22bacd8df862434ac5ca448de67b93dba537a4ac1b6a814565e2fa1972cb8f5b6b93fdedb175afeb39917b09bf117e7b83aa9f6c2ca51b1f17d
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SSDEEP
12288:VSfpFRtGVOv1nzXWXEJq4WXxU/viYa0jDf8TP3xipunn:VOOV4WXEQ1XxUXip0jDEtii
Static task
static1
Behavioral task
behavioral1
Sample
098ee1f5838d23fe2f4488b72b14de7266ad8910e8a8ce93486b4a9dcec6a2cf.exe
Resource
win10v2004-20220812-en
Malware Config
Extracted
djvu
http://winnlinne.com/lancer/get.php
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extension
.adww
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offline_id
z8lhl4oForVEc7gy9Ra8rSqjYMl3xiFRuIW4not1
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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
54.9
517
https://t.me/larsenup
https://ioc.exchange/@zebra54
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profile_id
517
Targets
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Target
098ee1f5838d23fe2f4488b72b14de7266ad8910e8a8ce93486b4a9dcec6a2cf
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Size
791KB
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MD5
9115d9e52997abbf71ff2cb5688f7a7c
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SHA1
0b6b1ad9cb0cc28d2a89a92fb97f78c61e937619
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SHA256
098ee1f5838d23fe2f4488b72b14de7266ad8910e8a8ce93486b4a9dcec6a2cf
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SHA512
23e7b79e4fcda22bacd8df862434ac5ca448de67b93dba537a4ac1b6a814565e2fa1972cb8f5b6b93fdedb175afeb39917b09bf117e7b83aa9f6c2ca51b1f17d
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SSDEEP
12288:VSfpFRtGVOv1nzXWXEJq4WXxU/viYa0jDf8TP3xipunn:VOOV4WXEQ1XxUXip0jDEtii
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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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Checks computer location settings
Looks up country code configured in the registry, likely geofence.
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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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