General
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Target
1517b065c4bc34a41f98252a8fcd5cbc0b60eb08d365d854748b1ac884c44378
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Size
780KB
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Sample
211202-qz3k5ahbfk
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MD5
951fe5eb3a94f9ae9ce7739c9a03b87b
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SHA1
5a2a2594bf47294fcbd5babe27ff234f1271d977
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SHA256
1517b065c4bc34a41f98252a8fcd5cbc0b60eb08d365d854748b1ac884c44378
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SHA512
1590b4666675fce42f7f91b662352dc4cb92d4e7a8b0dc05e251cfacbfa3d7a426be224b4ec98cc2b12e5034f8cac7d20df16f107cafb2feaace14d5fde8554b
Malware Config
Extracted
djvu
http://tzgl.org/lancer/get.php
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extension
.yqal
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offline_id
K3PMMX2aWwpnYby88Dzg7tmaIW7Tv0HMWvSyr7t1
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payload_url
http://kotob.top/dl/build2.exe
http://tzgl.org/files/1/build3.exe
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ransomnote
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Extracted
vidar
48.9
517
https://qoto.org/@mniami
https://noc.social/@menaomi
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profile_id
517
Targets
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Target
1517b065c4bc34a41f98252a8fcd5cbc0b60eb08d365d854748b1ac884c44378
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Size
780KB
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MD5
951fe5eb3a94f9ae9ce7739c9a03b87b
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SHA1
5a2a2594bf47294fcbd5babe27ff234f1271d977
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SHA256
1517b065c4bc34a41f98252a8fcd5cbc0b60eb08d365d854748b1ac884c44378
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SHA512
1590b4666675fce42f7f91b662352dc4cb92d4e7a8b0dc05e251cfacbfa3d7a426be224b4ec98cc2b12e5034f8cac7d20df16f107cafb2feaace14d5fde8554b
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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suricata: ET MALWARE Potential Dridex.Maldoc Minimal Executable Request
suricata: ET MALWARE Potential Dridex.Maldoc Minimal Executable Request
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suricata: ET MALWARE Suspicious Zipped Filename in Outbound POST Request (Passwords.txt)
suricata: ET MALWARE Suspicious Zipped Filename in Outbound POST Request (Passwords.txt)
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suricata: ET MALWARE Vidar/Arkei Stealer Client Data Upload
suricata: ET MALWARE Vidar/Arkei Stealer Client Data Upload
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suricata: ET MALWARE Vidar/Arkei/Megumin/Oski Stealer Data Exfil
suricata: ET MALWARE Vidar/Arkei/Megumin/Oski Stealer Data Exfil
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Vidar 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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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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