General
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Target
19dd27417ae1f888610c8faaf0d5b8c02cf3c2f5c0b200c918070eab3ed36b03
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Size
781KB
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Sample
211021-elsyzsafhk
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MD5
4cf3c23a286cf0c75c30a6935f4b73e6
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SHA1
fa1bef157cf40726f9c228157f7637e0fe14d1c4
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SHA256
19dd27417ae1f888610c8faaf0d5b8c02cf3c2f5c0b200c918070eab3ed36b03
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SHA512
f07218c97f728c7bb4f59278620abfa94d3f3ad0b11a5b1bfe2cc83de5a4d70bd247e92f7ef3551a8f070e336f6a0edb4f729f461b113fa27f27eae1992301de
Static task
static1
Behavioral task
behavioral1
Sample
19dd27417ae1f888610c8faaf0d5b8c02cf3c2f5c0b200c918070eab3ed36b03.exe
Resource
win10-en-20210920
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
19dd27417ae1f888610c8faaf0d5b8c02cf3c2f5c0b200c918070eab3ed36b03
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Size
781KB
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MD5
4cf3c23a286cf0c75c30a6935f4b73e6
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SHA1
fa1bef157cf40726f9c228157f7637e0fe14d1c4
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SHA256
19dd27417ae1f888610c8faaf0d5b8c02cf3c2f5c0b200c918070eab3ed36b03
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SHA512
f07218c97f728c7bb4f59278620abfa94d3f3ad0b11a5b1bfe2cc83de5a4d70bd247e92f7ef3551a8f070e336f6a0edb4f729f461b113fa27f27eae1992301de
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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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