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General
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Target
f66e4e047c3bab0c19144644c1e36087a8ab72c1360faa20dbf76cc5514ee26a
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Size
782KB
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Sample
230525-l4jxcshc53
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MD5
49eb2e244c6f1794078084e291ef4ce1
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SHA1
8839ac34afaedc63b40e00f7be732d6cb5770c57
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SHA256
f66e4e047c3bab0c19144644c1e36087a8ab72c1360faa20dbf76cc5514ee26a
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SHA512
82a7b73d0ee6689a02ae995faedbed0eb381724fc0f58dd7a27860391928211b167acf310dc40cf8b7d4b2acff758868b2350ac22d3916980bf3630909e442b8
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SSDEEP
12288:LGj4MoXmYV7X3hdJc6DAf2Xyfqa/r3eKoRwdvsCr1pnviTW4SxoqIh6r9LNzg9w:LGktXlFh46DIYyyu7VQcZ7nX4SdIMb
Static task
static1
Behavioral task
behavioral1
Sample
f66e4e047c3bab0c19144644c1e36087a8ab72c1360faa20dbf76cc5514ee26a.exe
Resource
win10v2004-20230220-en
Malware Config
Extracted
djvu
http://zexeq.com/test1/get.php
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extension
.vaze
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offline_id
BUcuB8PRg0LNi380axIJs5BS8nCUdeo9U88L2Lt1
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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
4
e44c96dfdf315ccf17cdd4b93cfe6e48
https://steamcommunity.com/profiles/76561199508624021
https://t.me/looking_glassbot
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profile_id_v2
e44c96dfdf315ccf17cdd4b93cfe6e48
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user_agent
Mozilla/5.0 (X11; CrOS x86_64 14541.0.0) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/114.0.0.0 Safari/537.36
Targets
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Target
f66e4e047c3bab0c19144644c1e36087a8ab72c1360faa20dbf76cc5514ee26a
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Size
782KB
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MD5
49eb2e244c6f1794078084e291ef4ce1
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SHA1
8839ac34afaedc63b40e00f7be732d6cb5770c57
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SHA256
f66e4e047c3bab0c19144644c1e36087a8ab72c1360faa20dbf76cc5514ee26a
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SHA512
82a7b73d0ee6689a02ae995faedbed0eb381724fc0f58dd7a27860391928211b167acf310dc40cf8b7d4b2acff758868b2350ac22d3916980bf3630909e442b8
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SSDEEP
12288:LGj4MoXmYV7X3hdJc6DAf2Xyfqa/r3eKoRwdvsCr1pnviTW4SxoqIh6r9LNzg9w:LGktXlFh46DIYyyu7VQcZ7nX4SdIMb
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Detected Djvu ransomware
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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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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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