General
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Target
9b1c40b2100db5e50ab5214946495d9cd5c32b747e31d379ddd27978eec1b619
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Size
715KB
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Sample
230922-l2xensfe2s
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MD5
e4ee25d9d01bbdc918db80ba0de714a0
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SHA1
8285be24f3e7bee98f624c0f7599c23f4b7fa1fe
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SHA256
9b1c40b2100db5e50ab5214946495d9cd5c32b747e31d379ddd27978eec1b619
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SHA512
6d83397ced364752223ef87bf7a094bd778b1b6ea0eda62a5c00ba0bb6f5519ec4b2b49646d8ffbf55e10ecb120738ab4e425b6d398e978a817f67c752a233cb
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SSDEEP
12288:cjOs2w8M6uYCMc+6CXvgLdirHCj/z/nQDhJBbO9QpARqVCEK:cjOw8M6uY2U/gLduCj/zCh7p+
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
5.7
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
9b1c40b2100db5e50ab5214946495d9cd5c32b747e31d379ddd27978eec1b619
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Size
715KB
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MD5
e4ee25d9d01bbdc918db80ba0de714a0
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SHA1
8285be24f3e7bee98f624c0f7599c23f4b7fa1fe
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SHA256
9b1c40b2100db5e50ab5214946495d9cd5c32b747e31d379ddd27978eec1b619
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SHA512
6d83397ced364752223ef87bf7a094bd778b1b6ea0eda62a5c00ba0bb6f5519ec4b2b49646d8ffbf55e10ecb120738ab4e425b6d398e978a817f67c752a233cb
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SSDEEP
12288:cjOs2w8M6uYCMc+6CXvgLdirHCj/z/nQDhJBbO9QpARqVCEK:cjOw8M6uY2U/gLduCj/zCh7p+
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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