General
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Target
d78f36ca595b050f5ebf004af2aa4fa002e7e4b35038759c0b617cd8e5ae0837
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Size
840KB
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Sample
211207-psqgjshbeq
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MD5
ee9a2b34223ea9f1c14b027ae65ee553
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SHA1
a9ca23fa7352dbe0fe959b50e62f6db7e9cb8827
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SHA256
d78f36ca595b050f5ebf004af2aa4fa002e7e4b35038759c0b617cd8e5ae0837
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SHA512
0cd62b4e9aadef04de89120651f2ca7d9157c6eeadf9f1851eab5a8d48bf821a3197afcd1b5203cbd0b0345192461238a6a665813842ddf0cd0b0171e7737280
Malware Config
Extracted
djvu
http://tzgl.org/fhsgtsspen6/get.php
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extension
.wnlu
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offline_id
gYuqQ5GsAaJom08TivUVhlPzZDKd916x4NcXrWt1
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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
49
517
https://mstdn.social/@sergeev43
https://koyu.space/@sergeev45
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profile_id
517
Targets
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Target
d78f36ca595b050f5ebf004af2aa4fa002e7e4b35038759c0b617cd8e5ae0837
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Size
840KB
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MD5
ee9a2b34223ea9f1c14b027ae65ee553
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SHA1
a9ca23fa7352dbe0fe959b50e62f6db7e9cb8827
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SHA256
d78f36ca595b050f5ebf004af2aa4fa002e7e4b35038759c0b617cd8e5ae0837
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SHA512
0cd62b4e9aadef04de89120651f2ca7d9157c6eeadf9f1851eab5a8d48bf821a3197afcd1b5203cbd0b0345192461238a6a665813842ddf0cd0b0171e7737280
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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