General
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Target
9d7a661455ec222d069db0f186a84abb841dd67088273d610937ef1324c8cc32
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Size
820KB
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Sample
211205-fj689segb9
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MD5
40e3205d1da668b79f614abcdb5477ee
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SHA1
a53cc54b8ac61e384abf90f08ab98f09f48056b8
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SHA256
9d7a661455ec222d069db0f186a84abb841dd67088273d610937ef1324c8cc32
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SHA512
4692a8e92cf40ff41bb071908d69ba9f2ae18df8f89b2a1ff8f8a0a887bb1b9389d6f9e5de50c7bb48d1fe776cb0beb177bf90d0b3de11f5e1e343442345c271
Static task
static1
Behavioral task
behavioral1
Sample
9d7a661455ec222d069db0f186a84abb841dd67088273d610937ef1324c8cc32.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
9d7a661455ec222d069db0f186a84abb841dd67088273d610937ef1324c8cc32
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Size
820KB
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MD5
40e3205d1da668b79f614abcdb5477ee
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SHA1
a53cc54b8ac61e384abf90f08ab98f09f48056b8
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SHA256
9d7a661455ec222d069db0f186a84abb841dd67088273d610937ef1324c8cc32
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SHA512
4692a8e92cf40ff41bb071908d69ba9f2ae18df8f89b2a1ff8f8a0a887bb1b9389d6f9e5de50c7bb48d1fe776cb0beb177bf90d0b3de11f5e1e343442345c271
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Detected Djvu ransomware
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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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