General
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Target
fa164ce0f208ef0da705e41f0b081a2621cf0f53cd9226a557fcd680de6c8c84
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Size
839KB
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Sample
211207-ab4waafdhk
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MD5
7d48f0eb128b94631174b2c3fff406d8
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SHA1
28cd0f530dd6b2fb149cd83aff6df96b4b4971f6
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SHA256
fa164ce0f208ef0da705e41f0b081a2621cf0f53cd9226a557fcd680de6c8c84
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SHA512
309bdea806798265992db743be91af9601b168d8e2488bee2e2ddd46fd7c7a4381b7fc3a88c4c1d344f06154511eeca6b966765c5e8bda52566afbad3f09f654
Static task
static1
Behavioral task
behavioral1
Sample
fa164ce0f208ef0da705e41f0b081a2621cf0f53cd9226a557fcd680de6c8c84.exe
Resource
win10-en-20211104
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
fa164ce0f208ef0da705e41f0b081a2621cf0f53cd9226a557fcd680de6c8c84
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Size
839KB
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MD5
7d48f0eb128b94631174b2c3fff406d8
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SHA1
28cd0f530dd6b2fb149cd83aff6df96b4b4971f6
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SHA256
fa164ce0f208ef0da705e41f0b081a2621cf0f53cd9226a557fcd680de6c8c84
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SHA512
309bdea806798265992db743be91af9601b168d8e2488bee2e2ddd46fd7c7a4381b7fc3a88c4c1d344f06154511eeca6b966765c5e8bda52566afbad3f09f654
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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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