General
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Target
cc376fe420548b105505bbe2594c4733591f5490e99de4e70652f4c350990579
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Size
853KB
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Sample
211129-r7z1msccdr
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MD5
e029f76044b1ea71ee1e45881c71e598
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SHA1
990c7d74e717abc8b24f557a16dbf6a7d106d364
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SHA256
cc376fe420548b105505bbe2594c4733591f5490e99de4e70652f4c350990579
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SHA512
dc6775401fcebd046317b9e2146f7bd8ec8d4763560a6b8fc46bdf9c052cada376f1bede962a94225ee8e71bb839d9f76f8e073dd80dc22cac32b5cd911967d6
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
cc376fe420548b105505bbe2594c4733591f5490e99de4e70652f4c350990579
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Size
853KB
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MD5
e029f76044b1ea71ee1e45881c71e598
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SHA1
990c7d74e717abc8b24f557a16dbf6a7d106d364
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SHA256
cc376fe420548b105505bbe2594c4733591f5490e99de4e70652f4c350990579
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SHA512
dc6775401fcebd046317b9e2146f7bd8ec8d4763560a6b8fc46bdf9c052cada376f1bede962a94225ee8e71bb839d9f76f8e073dd80dc22cac32b5cd911967d6
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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