General
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Target
238b8f4013341752d56f4e3da1b4f243cbf7615aed8925241c33e2d5aec6de70
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Size
824KB
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Sample
211129-23q72scggn
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MD5
3fa2851586b08b10e14559e8c382ac4e
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SHA1
59fe21ac288df0b8a15fcbfed79fc4a09ae7c353
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SHA256
238b8f4013341752d56f4e3da1b4f243cbf7615aed8925241c33e2d5aec6de70
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SHA512
9d4152b67ace9a29397473c0746b7f1413e7ec6446f8d379bfc9f5e069f0bf998399c81c69febae81198ebc1008f0f135da52629719357e3c3d9fb627c39dcd4
Static task
static1
Behavioral task
behavioral1
Sample
238b8f4013341752d56f4e3da1b4f243cbf7615aed8925241c33e2d5aec6de70.exe
Resource
win10-en-20211104
Malware Config
Extracted
djvu
http://tzgl.org/lancer/get.php
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extension
.yqal
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offline_id
K3PMMX2aWwpnYby88Dzg7tmaIW7Tv0HMWvSyr7t1
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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
48.7
517
https://mstdn.social/@anapa
https://mastodon.social/@mniami
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profile_id
517
Targets
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Target
238b8f4013341752d56f4e3da1b4f243cbf7615aed8925241c33e2d5aec6de70
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Size
824KB
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MD5
3fa2851586b08b10e14559e8c382ac4e
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SHA1
59fe21ac288df0b8a15fcbfed79fc4a09ae7c353
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SHA256
238b8f4013341752d56f4e3da1b4f243cbf7615aed8925241c33e2d5aec6de70
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SHA512
9d4152b67ace9a29397473c0746b7f1413e7ec6446f8d379bfc9f5e069f0bf998399c81c69febae81198ebc1008f0f135da52629719357e3c3d9fb627c39dcd4
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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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