General
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Target
a62f6dcf34263e2fc3c77c575e66cb48b0007b889a47f54385f67b960030fc26
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Size
708KB
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Sample
230216-l7h48sha69
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MD5
aecf4c69a1f10489f142869172940ad6
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SHA1
19845b9e25a3483f5206725d0a68a272562e2757
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SHA256
a62f6dcf34263e2fc3c77c575e66cb48b0007b889a47f54385f67b960030fc26
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SHA512
0963f1b90e94b9914832d08e54d9d047680d1532173b7a5d00ac8966c5f127bd1b7925f503e74e9a6f5048ff311c5d3a125905f4a9a8fd527c0cec8eb3ef9faf
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SSDEEP
12288:HgqwRlu+eRroLcXAwwoHmEtc34fylae1JwLGBrp8c6pTgRDuIJHyY4QLb26a:HDiluVicXAw3GEtcofylnwrcy4CIVyZF
Static task
static1
Behavioral task
behavioral1
Sample
a62f6dcf34263e2fc3c77c575e66cb48b0007b889a47f54385f67b960030fc26.exe
Resource
win10v2004-20220812-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
a62f6dcf34263e2fc3c77c575e66cb48b0007b889a47f54385f67b960030fc26
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Size
708KB
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MD5
aecf4c69a1f10489f142869172940ad6
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SHA1
19845b9e25a3483f5206725d0a68a272562e2757
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SHA256
a62f6dcf34263e2fc3c77c575e66cb48b0007b889a47f54385f67b960030fc26
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SHA512
0963f1b90e94b9914832d08e54d9d047680d1532173b7a5d00ac8966c5f127bd1b7925f503e74e9a6f5048ff311c5d3a125905f4a9a8fd527c0cec8eb3ef9faf
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SSDEEP
12288:HgqwRlu+eRroLcXAwwoHmEtc34fylae1JwLGBrp8c6pTgRDuIJHyY4QLb26a:HDiluVicXAw3GEtcofylnwrcy4CIVyZF
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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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