General
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Target
9a9da7772d6967bff13dec89368a256b58b43b067004cadb8edd866ff25b52db
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Size
814KB
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Sample
211125-tnhy5afgap
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MD5
a2c8ea8b973f5599e1ce5de45ae6d663
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SHA1
36b988e54c2b5d90d4b6d1214bcd305e034e1ecb
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SHA256
9a9da7772d6967bff13dec89368a256b58b43b067004cadb8edd866ff25b52db
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SHA512
94e0b3fb34f9433dc6f344b62979ded26a885f807bb4aa6e3a5c756248a873ab8e386bc079cfa65fc0831e082d324a1afccf5efc8367f72129733f5eb30b25d6
Static task
static1
Behavioral task
behavioral1
Sample
9a9da7772d6967bff13dec89368a256b58b43b067004cadb8edd866ff25b52db.exe
Resource
win10-en-20211104
Malware Config
Extracted
djvu
http://tzgl.org/fhsgtsspen6/get.php
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extension
.rigj
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offline_id
Z5GGASEfY71jtxU3i3E8kzvrTJmY9oiZkjcSm0t1
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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
9a9da7772d6967bff13dec89368a256b58b43b067004cadb8edd866ff25b52db
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Size
814KB
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MD5
a2c8ea8b973f5599e1ce5de45ae6d663
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SHA1
36b988e54c2b5d90d4b6d1214bcd305e034e1ecb
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SHA256
9a9da7772d6967bff13dec89368a256b58b43b067004cadb8edd866ff25b52db
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SHA512
94e0b3fb34f9433dc6f344b62979ded26a885f807bb4aa6e3a5c756248a873ab8e386bc079cfa65fc0831e082d324a1afccf5efc8367f72129733f5eb30b25d6
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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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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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