General
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Target
205b69a5eeee55350ab761a68dcf82a497a33efff13a6c4b8d07c82c2abf6b98
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Size
821KB
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Sample
211204-wmr7hsbdfl
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MD5
9b00e8a7108af37ca500b26642a2469c
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SHA1
d633bbadb3ba128dc9022c8c63eca7a8f87be782
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SHA256
205b69a5eeee55350ab761a68dcf82a497a33efff13a6c4b8d07c82c2abf6b98
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SHA512
382b9708affed64e20ea13e2ec3132f830ea8cc4999e2951ba502d3fd9f325a43f8ecbb9cc8cba409fa411b1f8e5371509dcd55887f4ea8e4c023bb60305127b
Static task
static1
Behavioral task
behavioral1
Sample
205b69a5eeee55350ab761a68dcf82a497a33efff13a6c4b8d07c82c2abf6b98.exe
Resource
win10-en-20211014
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
205b69a5eeee55350ab761a68dcf82a497a33efff13a6c4b8d07c82c2abf6b98
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Size
821KB
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MD5
9b00e8a7108af37ca500b26642a2469c
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SHA1
d633bbadb3ba128dc9022c8c63eca7a8f87be782
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SHA256
205b69a5eeee55350ab761a68dcf82a497a33efff13a6c4b8d07c82c2abf6b98
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SHA512
382b9708affed64e20ea13e2ec3132f830ea8cc4999e2951ba502d3fd9f325a43f8ecbb9cc8cba409fa411b1f8e5371509dcd55887f4ea8e4c023bb60305127b
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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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