General
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Target
713663afa740a004c83daf296f645ff7b1c5614d5fabcffe2066317af9e8045a
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Size
826KB
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Sample
211206-br1n8sdbdk
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MD5
7162279a34ac4b0e9629fd67cd001c0a
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SHA1
b4cf2bf2681276dba68c63238d78b926695ad069
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SHA256
713663afa740a004c83daf296f645ff7b1c5614d5fabcffe2066317af9e8045a
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SHA512
ee14e2fea04d5c5a834e1d092a4d85c5d457b05b314fd5676bca19ca7a5750cc65642a9057630dfb314952341774e2aa596e982b93b8b8a237cc263172b8411a
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
48.9
517
https://qoto.org/@mniami
https://noc.social/@menaomi
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profile_id
517
Targets
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Target
713663afa740a004c83daf296f645ff7b1c5614d5fabcffe2066317af9e8045a
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Size
826KB
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MD5
7162279a34ac4b0e9629fd67cd001c0a
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SHA1
b4cf2bf2681276dba68c63238d78b926695ad069
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SHA256
713663afa740a004c83daf296f645ff7b1c5614d5fabcffe2066317af9e8045a
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SHA512
ee14e2fea04d5c5a834e1d092a4d85c5d457b05b314fd5676bca19ca7a5750cc65642a9057630dfb314952341774e2aa596e982b93b8b8a237cc263172b8411a
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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