General
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Target
f88b76785bebddebda5202542bc8be5cdb07c92a137ed0c89f4e8b0171e863a9
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Size
834KB
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Sample
211201-tmqmksdfdr
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MD5
57628ca52a27eb17d907e97349a378b2
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SHA1
92ba1384b4ad7835ce9da142af98cd7d2124a2a8
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SHA256
f88b76785bebddebda5202542bc8be5cdb07c92a137ed0c89f4e8b0171e863a9
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SHA512
2d855e259ac22958a91802941623ff38b0c6126694be40f2884563c446dfd14be43e07079e2a5633328cd5478f02dd103480b2c8af5406e96e015ba35aefa304
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
f88b76785bebddebda5202542bc8be5cdb07c92a137ed0c89f4e8b0171e863a9
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Size
834KB
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MD5
57628ca52a27eb17d907e97349a378b2
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SHA1
92ba1384b4ad7835ce9da142af98cd7d2124a2a8
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SHA256
f88b76785bebddebda5202542bc8be5cdb07c92a137ed0c89f4e8b0171e863a9
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SHA512
2d855e259ac22958a91802941623ff38b0c6126694be40f2884563c446dfd14be43e07079e2a5633328cd5478f02dd103480b2c8af5406e96e015ba35aefa304
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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