General
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Target
c9ac3ee7ae11b1ffa5b6122b98f49684050bdac70112db095dda6dc597e14072
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Size
761KB
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Sample
230917-psfbksad7t
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MD5
2828fa5b967d60887f888e2540935253
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SHA1
a0713a2a5874b45a881cf76c33e7c3e25303de1a
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SHA256
c9ac3ee7ae11b1ffa5b6122b98f49684050bdac70112db095dda6dc597e14072
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SHA512
be66f9f3258384a424b2e5fdc1945d87d8532c25f99d6f1347d3d9d10b1b6c989a6ac6e7e4191efea8e38e02bb44b809db57afcb3767594750247c767867d3a7
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SSDEEP
12288:5zAXGj2sTOSfwHQInbPdn/eOVY8z0c9uV0dc6hORwbqOwitHzd9JOPy:50GS2Pfufdn/JSI9Vdc2nWOwilTJd
Malware Config
Extracted
djvu
http://zexeq.com/test1/get.php
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extension
.wwpl
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offline_id
LtYnlJvK0hICyOCeum6Tv4pbia9jcIGHVgA3Xht1
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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
5.6
7b01483643983171e949f923c5bc80e7
https://steamcommunity.com/profiles/76561199550790047
https://t.me/bonoboaz
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profile_id_v2
7b01483643983171e949f923c5bc80e7
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user_agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/115.0.0.0 Safari/537.36 OPR/103.0.0.0
Targets
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Target
c9ac3ee7ae11b1ffa5b6122b98f49684050bdac70112db095dda6dc597e14072
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Size
761KB
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MD5
2828fa5b967d60887f888e2540935253
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SHA1
a0713a2a5874b45a881cf76c33e7c3e25303de1a
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SHA256
c9ac3ee7ae11b1ffa5b6122b98f49684050bdac70112db095dda6dc597e14072
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SHA512
be66f9f3258384a424b2e5fdc1945d87d8532c25f99d6f1347d3d9d10b1b6c989a6ac6e7e4191efea8e38e02bb44b809db57afcb3767594750247c767867d3a7
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SSDEEP
12288:5zAXGj2sTOSfwHQInbPdn/eOVY8z0c9uV0dc6hORwbqOwitHzd9JOPy:50GS2Pfufdn/JSI9Vdc2nWOwilTJd
Score10/10-
Detected Djvu ransomware
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Djvu Ransomware
Ransomware which is a variant of the STOP family.
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Vidar
Vidar is an infostealer based on Arkei stealer.
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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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Reads user/profile data of web browsers
Infostealers often target stored browser data, which can include saved credentials etc.
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Accesses 2FA software files, 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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