General
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Target
676b070bc64112a0e993989524568fef10f9af8a9241eb6705fa0c7831d63299
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Size
781KB
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Sample
211021-l3vbpsahhq
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MD5
4478e11a23b2e921dbb95ac7bb261b7d
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SHA1
d091e344bddbeb1a04ea8d0ea64ac3c0966893c5
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SHA256
676b070bc64112a0e993989524568fef10f9af8a9241eb6705fa0c7831d63299
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SHA512
691508bda5656f722d4f0f5cb8caababb62fb30619e0ebd0a349ec056ae02d8f515251817870778fd7c9f8d2848946c1c36289affed301afda87f10761cbe6f7
Static task
static1
Behavioral task
behavioral1
Sample
676b070bc64112a0e993989524568fef10f9af8a9241eb6705fa0c7831d63299.exe
Resource
win10-en-20211014
Malware Config
Extracted
vidar
41.5
517
https://mas.to/@xeroxxx
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profile_id
517
Extracted
djvu
http://rlrz.org/fhsgtsspen6
Targets
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Target
676b070bc64112a0e993989524568fef10f9af8a9241eb6705fa0c7831d63299
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Size
781KB
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MD5
4478e11a23b2e921dbb95ac7bb261b7d
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SHA1
d091e344bddbeb1a04ea8d0ea64ac3c0966893c5
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SHA256
676b070bc64112a0e993989524568fef10f9af8a9241eb6705fa0c7831d63299
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SHA512
691508bda5656f722d4f0f5cb8caababb62fb30619e0ebd0a349ec056ae02d8f515251817870778fd7c9f8d2848946c1c36289affed301afda87f10761cbe6f7
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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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