General
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Target
80bdc867be4bced49ffe74fb86ed7976542cac6f0b9aaae213ae726ccc025b93
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Size
698KB
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Sample
230217-m8yfzsfb37
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MD5
e0963f1a683eec5923eb93f096246d92
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SHA1
d3c47b231db6e7e5e34b5fabb382a655bcff22e0
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SHA256
80bdc867be4bced49ffe74fb86ed7976542cac6f0b9aaae213ae726ccc025b93
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SHA512
a511ce62b885fff59d76bbf67cbac27b073021c8d887ad03235435b776f6e73c0b09518f5e8d21d63ea72b61ce0f410746b9c444fcf3424fd259c7870a57aae9
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SSDEEP
12288:ADyt50C/gGPXBnd3tNd+4OOPZWjPgqIdpdAnSwOt6NyXJj3hrrJUXf:ADylXBNh+bOPmg7pGOtyajR0
Static task
static1
Behavioral task
behavioral1
Sample
80bdc867be4bced49ffe74fb86ed7976542cac6f0b9aaae213ae726ccc025b93.exe
Resource
win10-20220812-en
Malware Config
Extracted
djvu
http://bihsy.com/test1/get.php
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extension
.hhmm
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offline_id
dMMXkgwQTycP13C5xwPbHDSzhx1ZxiPgIMZXewt1
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payload_url
http://uaery.top/dl/build2.exe
http://bihsy.com/files/1/build3.exe
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ransomnote
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Extracted
vidar
2.5
19
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profile_id
19
Targets
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Target
80bdc867be4bced49ffe74fb86ed7976542cac6f0b9aaae213ae726ccc025b93
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Size
698KB
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MD5
e0963f1a683eec5923eb93f096246d92
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SHA1
d3c47b231db6e7e5e34b5fabb382a655bcff22e0
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SHA256
80bdc867be4bced49ffe74fb86ed7976542cac6f0b9aaae213ae726ccc025b93
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SHA512
a511ce62b885fff59d76bbf67cbac27b073021c8d887ad03235435b776f6e73c0b09518f5e8d21d63ea72b61ce0f410746b9c444fcf3424fd259c7870a57aae9
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SSDEEP
12288:ADyt50C/gGPXBnd3tNd+4OOPZWjPgqIdpdAnSwOt6NyXJj3hrrJUXf:ADylXBNh+bOPmg7pGOtyajR0
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Detected Djvu ransomware
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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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