General
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Target
69473ec8271eeb0a738353ff5e30990f56f25007ccc2cef2cb7eb4410545a3d0
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Size
846KB
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Sample
211129-e63zpabehj
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MD5
8a61fcdb9986009fac18bc4cea7d2c77
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SHA1
d373bb94dca75fcddf8f4dd114da219dacd60185
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SHA256
69473ec8271eeb0a738353ff5e30990f56f25007ccc2cef2cb7eb4410545a3d0
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SHA512
60f2a9952c1d610e556b1bb9d7c04c0b53859ce0a96943bd40df2ff0144c69f848bc48310469036a0086dd8c3d6377d85c732ea8cd4dd842da521c7e81e13270
Malware Config
Extracted
djvu
http://tzgl.org/lancer/get.php
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extension
.robm
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offline_id
Z5GGASEfY71jtxU3i3E8kzvrTJmY9oiZkjcSm0t1
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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
48.7
517
https://mstdn.social/@anapa
https://mastodon.social/@mniami
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profile_id
517
Targets
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Target
69473ec8271eeb0a738353ff5e30990f56f25007ccc2cef2cb7eb4410545a3d0
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Size
846KB
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MD5
8a61fcdb9986009fac18bc4cea7d2c77
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SHA1
d373bb94dca75fcddf8f4dd114da219dacd60185
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SHA256
69473ec8271eeb0a738353ff5e30990f56f25007ccc2cef2cb7eb4410545a3d0
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SHA512
60f2a9952c1d610e556b1bb9d7c04c0b53859ce0a96943bd40df2ff0144c69f848bc48310469036a0086dd8c3d6377d85c732ea8cd4dd842da521c7e81e13270
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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