General
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Target
57becdcfa107676894ad15df51e0af1dbeafdd6c673e38124be7a6b9f5f6e0f8
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Size
821KB
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Sample
230509-lq333sfb97
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MD5
6e337beda79a5115fcc7ccc96ec26221
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SHA1
4bacc08478383e383a13cb5de0547c05e7614921
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SHA256
57becdcfa107676894ad15df51e0af1dbeafdd6c673e38124be7a6b9f5f6e0f8
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SHA512
36114cbfbddd1bfe11024717090e389b9a66b84552d9ff8a54785b4f26d17c64619ed84bc345d02384c2dfb3fb98c32ac62c15748485e4c036119cca8de4bb8f
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SSDEEP
12288:wvpoQLyru4m32OLtSeZiTJGOhKb7IvwmtJ42x3mpm6hCspuTj9:wmQGYNLtSSgJry7AvBNmp/hCEG9
Malware Config
Extracted
djvu
http://zexeq.com/test1/get.php
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extension
.qopz
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offline_id
dp2XHHJytO0BDSHTEAkoGB97DSSLD0rheNyRBit1
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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
3.7
31c7719b5ee962fbde376b75e771360d
https://steamcommunity.com/profiles/76561199501059503
https://t.me/mastersbots
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profile_id_v2
31c7719b5ee962fbde376b75e771360d
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user_agent
Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:109.0) Gecko/20100101 Firefox/112.0
Targets
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Target
57becdcfa107676894ad15df51e0af1dbeafdd6c673e38124be7a6b9f5f6e0f8
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Size
821KB
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MD5
6e337beda79a5115fcc7ccc96ec26221
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SHA1
4bacc08478383e383a13cb5de0547c05e7614921
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SHA256
57becdcfa107676894ad15df51e0af1dbeafdd6c673e38124be7a6b9f5f6e0f8
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SHA512
36114cbfbddd1bfe11024717090e389b9a66b84552d9ff8a54785b4f26d17c64619ed84bc345d02384c2dfb3fb98c32ac62c15748485e4c036119cca8de4bb8f
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SSDEEP
12288:wvpoQLyru4m32OLtSeZiTJGOhKb7IvwmtJ42x3mpm6hCspuTj9:wmQGYNLtSSgJry7AvBNmp/hCEG9
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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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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