General
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Target
a7d4008c78ac98f40ad38ae3dc633d68d8f831fe48bfcbb3723b98fee2ac8905
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Size
814KB
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Sample
211206-td759sedfq
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MD5
6e0f5f39950a35934d4997932e0e418c
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SHA1
1b4f97c50cced2ff6e5e2150fb8909df77544b11
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SHA256
a7d4008c78ac98f40ad38ae3dc633d68d8f831fe48bfcbb3723b98fee2ac8905
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SHA512
75021b47d089f7f13b40b333a68465190a59e781a60330b3ee2a6b912ba0c6ab4d5f1ff56b93a308bfa70014f788a5119de4e6d0290909ce7b55eadc60219810
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
a7d4008c78ac98f40ad38ae3dc633d68d8f831fe48bfcbb3723b98fee2ac8905
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Size
814KB
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MD5
6e0f5f39950a35934d4997932e0e418c
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SHA1
1b4f97c50cced2ff6e5e2150fb8909df77544b11
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SHA256
a7d4008c78ac98f40ad38ae3dc633d68d8f831fe48bfcbb3723b98fee2ac8905
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SHA512
75021b47d089f7f13b40b333a68465190a59e781a60330b3ee2a6b912ba0c6ab4d5f1ff56b93a308bfa70014f788a5119de4e6d0290909ce7b55eadc60219810
Score10/10-
Detected Djvu ransomware
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Djvu Ransomware
Ransomware which is a variant of the STOP family.
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Vidar
Vidar is an infostealer based on Arkei stealer.
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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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Reads user/profile data of web browsers
Infostealers often target stored browser data, which can include saved credentials etc.
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Accesses 2FA software files, possible credential harvesting
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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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