General
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Target
31817d0fb2586dfb2720ccca3980cf3acc968403b0dea8f025278da19f6c41fa
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Size
719KB
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Sample
211028-yz5pgsghfj
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MD5
b1bae6ec1e82c55667036385cfdd2f87
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SHA1
baf8431c2db44b08e66ee7efcbb21acd7ea0c828
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SHA256
31817d0fb2586dfb2720ccca3980cf3acc968403b0dea8f025278da19f6c41fa
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SHA512
e5fc9a3d373136d5185792ad41ddec1ccf0880d71525256df3bdc27ab1efd4a7cba491e16a0a7998d5c13b69799e7b5ea6a3ef6d5fb067f50b3ec213da64433d
Static task
static1
Behavioral task
behavioral1
Sample
31817d0fb2586dfb2720ccca3980cf3acc968403b0dea8f025278da19f6c41fa.exe
Resource
win10-en-20210920
Malware Config
Extracted
djvu
http://rlrz.org/lancer/get.php
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extension
.rivd
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offline_id
WbO7bkwHxaepEmevfYYUBNgcxNJGpd7hoNKokRt1
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payload_url
http://znpst.top/dl/build2.exe
http://rlrz.org/files/1/build3.exe
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ransomnote
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Extracted
vidar
41.5
517
https://mas.to/@xeroxxx
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profile_id
517
Targets
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Target
31817d0fb2586dfb2720ccca3980cf3acc968403b0dea8f025278da19f6c41fa
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Size
719KB
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MD5
b1bae6ec1e82c55667036385cfdd2f87
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SHA1
baf8431c2db44b08e66ee7efcbb21acd7ea0c828
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SHA256
31817d0fb2586dfb2720ccca3980cf3acc968403b0dea8f025278da19f6c41fa
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SHA512
e5fc9a3d373136d5185792ad41ddec1ccf0880d71525256df3bdc27ab1efd4a7cba491e16a0a7998d5c13b69799e7b5ea6a3ef6d5fb067f50b3ec213da64433d
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Detected Djvu ransomware
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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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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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