General
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Target
b299675e7e4654beadcaa2c38a96bf8324bbde96904ede17fdd88ebb7fdf2748
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Size
826KB
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Sample
221230-f4ysmaac7x
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MD5
f891b2289720468df1c4e8bd715445bb
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SHA1
e8243516f0e21048dd96d3a88c18248c611e3369
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SHA256
b299675e7e4654beadcaa2c38a96bf8324bbde96904ede17fdd88ebb7fdf2748
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SHA512
4f11850ad026c13ba6430c5d11b9b027aeabaea34e1b30b13dcf4a74864c7f057877b62e999c9f9581dc36779ba2634d91e810bfb9c6284cb911146d1995bb33
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SSDEEP
24576:gzDgDKcVQNPtvzrjrrAzpmopTSZY7nIj:gzEDKcVQZFzyTN7M
Static task
static1
Behavioral task
behavioral1
Sample
b299675e7e4654beadcaa2c38a96bf8324bbde96904ede17fdd88ebb7fdf2748.exe
Resource
win7-20220901-en
Behavioral task
behavioral2
Sample
b299675e7e4654beadcaa2c38a96bf8324bbde96904ede17fdd88ebb7fdf2748.exe
Resource
win10v2004-20220812-en
Malware Config
Extracted
djvu
http://ex3mall.com/test1/get.php
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extension
.isal
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offline_id
m3KmScxfDyEQzJYP8qjOSfP4FvpsOXlekGuMPzt1
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payload_url
http://uaery.top/dl/build2.exe
http://ex3mall.com/files/1/build3.exe
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ransomnote
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Extracted
vidar
1.7
19
https://t.me/robloxblackl
https://steamcommunity.com/profiles/76561199458928097
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profile_id
19
Targets
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Target
b299675e7e4654beadcaa2c38a96bf8324bbde96904ede17fdd88ebb7fdf2748
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Size
826KB
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MD5
f891b2289720468df1c4e8bd715445bb
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SHA1
e8243516f0e21048dd96d3a88c18248c611e3369
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SHA256
b299675e7e4654beadcaa2c38a96bf8324bbde96904ede17fdd88ebb7fdf2748
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SHA512
4f11850ad026c13ba6430c5d11b9b027aeabaea34e1b30b13dcf4a74864c7f057877b62e999c9f9581dc36779ba2634d91e810bfb9c6284cb911146d1995bb33
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SSDEEP
24576:gzDgDKcVQNPtvzrjrrAzpmopTSZY7nIj:gzEDKcVQZFzyTN7M
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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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