General
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Target
83c2df30653a05c396fe3ec54d40c136.bin
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Size
662KB
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Sample
230320-bsv55sdb9v
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MD5
5d9e850c0ab285b31036db16e853af2e
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SHA1
7137afcf30d489eb457e61c51a5f419a2c94f430
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SHA256
a737ad48bc34faec3b2d49b38aca4a70c7a8cf6d411b4e19660428a6b87c09a4
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SHA512
a349463454e8cb5e72d42e3b06f36a192eaa9f5901417bbd15b0a7ef97b29bdc64110ffd73a674cc952ddb1810479a9ca1a6a1d3934d4f97ca29ad7c639d68a1
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SSDEEP
12288:AknCWLmwDIE2756ZBJnwvwx4kOdFfu9GTl9wLAU+hybBjR0:AoCf1Ed7+wxz92lwAlKjq
Static task
static1
Behavioral task
behavioral1
Sample
e32b231a08e4c0f773225e5d6abf72fb9474c987bf1a3fa833630d624b69f336.exe
Resource
win7-20230220-en
Behavioral task
behavioral2
Sample
e32b231a08e4c0f773225e5d6abf72fb9474c987bf1a3fa833630d624b69f336.exe
Resource
win10v2004-20230220-en
Malware Config
Extracted
djvu
http://zexeq.com/test2/get.php
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extension
.dapo
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offline_id
8EM6M9LqEzIk18qaQ87WiPQ1u84RRdej5V1ovht1
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payload_url
http://uaery.top/dl/build2.exe
http://zexeq.com/files/1/build3.exe
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ransomnote
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Extracted
vidar
3
d6ef050131e7d5a1d595c51613328971
https://t.me/zaskullz
https://steamcommunity.com/profiles/76561199486572327
http://135.181.87.234:80
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profile_id_v2
d6ef050131e7d5a1d595c51613328971
Targets
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Target
e32b231a08e4c0f773225e5d6abf72fb9474c987bf1a3fa833630d624b69f336.exe
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Size
790KB
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MD5
83c2df30653a05c396fe3ec54d40c136
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SHA1
d011e9ddb6dd044cab5aee2630b5904e72b87c04
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SHA256
e32b231a08e4c0f773225e5d6abf72fb9474c987bf1a3fa833630d624b69f336
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SHA512
d7409e8d51826693e4976a35d2ba0200cfa3a63ad02dcea36ef3f13e56ae93a8a8ca451c1e3d677a5b9a7cb21119491b9925503567b6999bc1bdb565fc8c66cb
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SSDEEP
12288:pOY5J22JOVRMz65p6uZyOsn4WzXVbckHsaNq4YLdKzdKIO4tSSNeyTAsrY:Xrcr6uIO84SXm5asLEXO4tKyss0
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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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