General
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Target
f508e1a685c0b82aa0fa19fe24e6a530c327bbf36f99f84cb5c7a8b283d4d2e4
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Size
852KB
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Sample
230108-f247magb9s
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MD5
90996a4a2b6ddfbd26e0e9f691b60745
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SHA1
3b04d37a62e4f1425137e1be038339ddd1fcb270
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SHA256
f508e1a685c0b82aa0fa19fe24e6a530c327bbf36f99f84cb5c7a8b283d4d2e4
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SHA512
544788e8fa172ce14a803739f47d4b79ae78f354955a205d3a82c95a111c863b3469274feac57570e30e32f5c2220a5c1061fd5666ed8617fe828768ff933589
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SSDEEP
12288:kSSxHn/o87vv3iGi/dRT5pUr7bRNhnhTv/LiECG3EwcV3bbpfpxzMMSElFEtp+gi:k/H/3H3iGQ5pgnbTvDigPe3bbxDSJi
Static task
static1
Behavioral task
behavioral1
Sample
f508e1a685c0b82aa0fa19fe24e6a530c327bbf36f99f84cb5c7a8b283d4d2e4.exe
Resource
win10v2004-20220812-en
Malware Config
Extracted
djvu
http://spaceris.com/test1/get.php
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extension
.bpsm
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offline_id
pu5TgkFNAS5fWQ2rCzdamsmMrE5wSlTupdTI0pt1
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payload_url
http://uaery.top/dl/build2.exe
http://spaceris.com/files/1/build3.exe
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ransomnote
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Extracted
vidar
1.8
19
https://t.me/year2023start
https://steamcommunity.com/profiles/76561199467421923
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profile_id
19
Targets
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Target
f508e1a685c0b82aa0fa19fe24e6a530c327bbf36f99f84cb5c7a8b283d4d2e4
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Size
852KB
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MD5
90996a4a2b6ddfbd26e0e9f691b60745
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SHA1
3b04d37a62e4f1425137e1be038339ddd1fcb270
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SHA256
f508e1a685c0b82aa0fa19fe24e6a530c327bbf36f99f84cb5c7a8b283d4d2e4
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SHA512
544788e8fa172ce14a803739f47d4b79ae78f354955a205d3a82c95a111c863b3469274feac57570e30e32f5c2220a5c1061fd5666ed8617fe828768ff933589
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SSDEEP
12288:kSSxHn/o87vv3iGi/dRT5pUr7bRNhnhTv/LiECG3EwcV3bbpfpxzMMSElFEtp+gi:k/H/3H3iGQ5pgnbTvDigPe3bbxDSJi
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Detected Djvu ransomware
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Downloads MZ/PE file
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Executes dropped EXE
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Checks computer location settings
Looks up country code configured in the registry, likely geofence.
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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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