General
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Target
9afd5dde090476970975b82ede609f97ff5d9fa66134e26575bf67489c84f96f
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Size
841KB
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Sample
211207-k5pcssbde9
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MD5
5a8a4398030146c9ae8cefed58af0889
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SHA1
2e49fabb31162d6c629c428877d77dacae39a3da
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SHA256
9afd5dde090476970975b82ede609f97ff5d9fa66134e26575bf67489c84f96f
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SHA512
786db4d3b0b0ba7b5fbca56cff2289e3afe16db6fcfab789492f43cbdb54d33011625ccdfd955f54efe6d2d7d975bc1ca38db8f493154bf30346151e383f8ee6
Static task
static1
Behavioral task
behavioral1
Sample
9afd5dde090476970975b82ede609f97ff5d9fa66134e26575bf67489c84f96f.exe
Resource
win10-en-20211014
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
49
517
https://mstdn.social/@sergeev43
https://koyu.space/@sergeev45
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profile_id
517
Targets
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Target
9afd5dde090476970975b82ede609f97ff5d9fa66134e26575bf67489c84f96f
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Size
841KB
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MD5
5a8a4398030146c9ae8cefed58af0889
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SHA1
2e49fabb31162d6c629c428877d77dacae39a3da
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SHA256
9afd5dde090476970975b82ede609f97ff5d9fa66134e26575bf67489c84f96f
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SHA512
786db4d3b0b0ba7b5fbca56cff2289e3afe16db6fcfab789492f43cbdb54d33011625ccdfd955f54efe6d2d7d975bc1ca38db8f493154bf30346151e383f8ee6
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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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