General
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Target
62705fadfb065094af0d2f626247c4c6eb68a9d4120215d9172e5e0eb3a7571e
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Size
716KB
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Sample
230217-ms6sesfa42
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MD5
e54ae4c8a68d9bb0b8e04bae12af7aa2
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SHA1
e4add6a96dec78af50508a511154a7675d82cc34
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SHA256
62705fadfb065094af0d2f626247c4c6eb68a9d4120215d9172e5e0eb3a7571e
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SHA512
5d4d0fcc69299da6872e977542b748df0b4d13e2f77ba2dc3e4b809b80a56675ce5ada4c6e0e85339471c54a4e73f3e67dc78ad074d0606307fbdf0621a827a1
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SSDEEP
12288:An4/FMTuxVkjT5wo99CfiCS5CDuisq61IWxVXO12cuukKDSPz3at:An4dS4VkjTqhfzJY7FTkyPzqt
Static task
static1
Behavioral task
behavioral1
Sample
62705fadfb065094af0d2f626247c4c6eb68a9d4120215d9172e5e0eb3a7571e.exe
Resource
win10v2004-20221111-en
Malware Config
Extracted
djvu
http://bihsy.com/test2/get.php
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extension
.hhee
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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
62705fadfb065094af0d2f626247c4c6eb68a9d4120215d9172e5e0eb3a7571e
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Size
716KB
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MD5
e54ae4c8a68d9bb0b8e04bae12af7aa2
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SHA1
e4add6a96dec78af50508a511154a7675d82cc34
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SHA256
62705fadfb065094af0d2f626247c4c6eb68a9d4120215d9172e5e0eb3a7571e
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SHA512
5d4d0fcc69299da6872e977542b748df0b4d13e2f77ba2dc3e4b809b80a56675ce5ada4c6e0e85339471c54a4e73f3e67dc78ad074d0606307fbdf0621a827a1
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SSDEEP
12288:An4/FMTuxVkjT5wo99CfiCS5CDuisq61IWxVXO12cuukKDSPz3at:An4dS4VkjTqhfzJY7FTkyPzqt
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Detected Djvu ransomware
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Downloads MZ/PE file
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Checks computer location settings
Looks up country code configured in the registry, likely geofence.
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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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