General
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Target
235be1bfa1b3e48fe68cd380f9b9170cc8ff81036920d6e04f6d68fd8540a16d
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Size
716KB
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Sample
230922-l2yyhahd24
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MD5
576bfa17d38ea07c2649acb23651e54a
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SHA1
7ed6b03fdd17588af8dde5bf50e3711b3ea07d90
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SHA256
235be1bfa1b3e48fe68cd380f9b9170cc8ff81036920d6e04f6d68fd8540a16d
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SHA512
500231cca01d5b80a62fffe4f76e74ff492dd9fe21abd5f931add1e0c6691036b4a25ef55e8d772085e57a37dab2d1147d38b63307427b7aebe59f93269adcb8
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SSDEEP
12288:CWTpdcrHnTcqyFWlIJX1VHOIjWE9R7d/L7ktDoZveTBV7vg:CWTPonTlyFWlIlqIjWE9RBTyoYTBVU
Malware Config
Extracted
djvu
http://zexeq.com/raud/get.php
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extension
.wwza
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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
5.7
5c0b4a12d6c03dd98ed431d3eded2169
https://steamcommunity.com/profiles/76561199553369541
https://t.me/dastanatg
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profile_id_v2
5c0b4a12d6c03dd98ed431d3eded2169
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user_agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_8) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/16.7 Safari/605.1.75
Targets
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Target
235be1bfa1b3e48fe68cd380f9b9170cc8ff81036920d6e04f6d68fd8540a16d
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Size
716KB
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MD5
576bfa17d38ea07c2649acb23651e54a
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SHA1
7ed6b03fdd17588af8dde5bf50e3711b3ea07d90
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SHA256
235be1bfa1b3e48fe68cd380f9b9170cc8ff81036920d6e04f6d68fd8540a16d
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SHA512
500231cca01d5b80a62fffe4f76e74ff492dd9fe21abd5f931add1e0c6691036b4a25ef55e8d772085e57a37dab2d1147d38b63307427b7aebe59f93269adcb8
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SSDEEP
12288:CWTpdcrHnTcqyFWlIJX1VHOIjWE9R7d/L7ktDoZveTBV7vg:CWTPonTlyFWlIlqIjWE9RBTyoYTBVU
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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