General
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Target
543eda6720be01859cba156967c7b777ea0de68524e37dbbfe9b405ecd5df590
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Size
749KB
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Sample
230328-fj9z6aag9w
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MD5
95f5fa7b06c3599d18cf580bba1ad041
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SHA1
e420a046954a403db5e8ed4993f815f1cb432ed9
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SHA256
543eda6720be01859cba156967c7b777ea0de68524e37dbbfe9b405ecd5df590
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SHA512
d0fa75cff951cee699f3b43bd31ad5f65abfb46f57486a82f96ff6789acb3bad775c8b535054b34820b99678b906b170c9196172031f9fc128b4056248c3c310
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SSDEEP
12288:75j0zu9Nd+/9VDVJKjx1wHF3LYIKB19I/78XB0JUnsBzQ+YN1iQH:75AuPIVEjDwlbYtS/78rNZH
Static task
static1
Behavioral task
behavioral1
Sample
543eda6720be01859cba156967c7b777ea0de68524e37dbbfe9b405ecd5df590.exe
Resource
win10-20230220-en
Malware Config
Extracted
djvu
http://zexeq.com/raud/get.php
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extension
.jyos
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offline_id
MEMHlobHgXqvmTWaMsLcwGZhDOd00bblO1yevst1
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payload_url
http://uaery.top/dl/build2.exe
http://zexeq.com/files/1/build3.exe
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ransomnote
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Extracted
vidar
3.1
00d92484c9b27bc8482a2cc94cacc508
https://steamcommunity.com/profiles/76561199472266392
https://t.me/tabootalks
http://135.181.26.183:80
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profile_id_v2
00d92484c9b27bc8482a2cc94cacc508
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user_agent
Mozilla/5.0 (Windows NT 6.1; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/105.0.0.0 Safari/537.36 OPR/91.0.4516.79
Targets
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Target
543eda6720be01859cba156967c7b777ea0de68524e37dbbfe9b405ecd5df590
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Size
749KB
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MD5
95f5fa7b06c3599d18cf580bba1ad041
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SHA1
e420a046954a403db5e8ed4993f815f1cb432ed9
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SHA256
543eda6720be01859cba156967c7b777ea0de68524e37dbbfe9b405ecd5df590
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SHA512
d0fa75cff951cee699f3b43bd31ad5f65abfb46f57486a82f96ff6789acb3bad775c8b535054b34820b99678b906b170c9196172031f9fc128b4056248c3c310
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SSDEEP
12288:75j0zu9Nd+/9VDVJKjx1wHF3LYIKB19I/78XB0JUnsBzQ+YN1iQH:75AuPIVEjDwlbYtS/78rNZH
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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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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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