General
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Target
bfb53df3e1b549ea4df506f7901525406651d76608e15dde332c82e17a795b5e
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Size
698KB
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Sample
230217-m972tafb44
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MD5
14667effb60e1be24d814d91d12ee5c1
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SHA1
1c7105a70a057b8e0cdcd78dec66bcf11e5b7d79
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SHA256
bfb53df3e1b549ea4df506f7901525406651d76608e15dde332c82e17a795b5e
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SHA512
643f1c2675ff423f6e3e0569220407bb4ee90a671b667ac5035b74c89483f3ccab7592509ab4a997a73444a666d1617510e0aa2b9d5f2b46c08ca78c0e39b069
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SSDEEP
12288:YpZgDSfiTZ91J+kPQ2c1FvHlP5OderXb/l8UKFer6gh:YpZgKqDFo1Fw8jDl8d4ug
Static task
static1
Behavioral task
behavioral1
Sample
bfb53df3e1b549ea4df506f7901525406651d76608e15dde332c82e17a795b5e.exe
Resource
win10v2004-20221111-en
Malware Config
Extracted
djvu
http://bihsy.com/lancer/get.php
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extension
.hhoo
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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
bfb53df3e1b549ea4df506f7901525406651d76608e15dde332c82e17a795b5e
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Size
698KB
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MD5
14667effb60e1be24d814d91d12ee5c1
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SHA1
1c7105a70a057b8e0cdcd78dec66bcf11e5b7d79
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SHA256
bfb53df3e1b549ea4df506f7901525406651d76608e15dde332c82e17a795b5e
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SHA512
643f1c2675ff423f6e3e0569220407bb4ee90a671b667ac5035b74c89483f3ccab7592509ab4a997a73444a666d1617510e0aa2b9d5f2b46c08ca78c0e39b069
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SSDEEP
12288:YpZgDSfiTZ91J+kPQ2c1FvHlP5OderXb/l8UKFer6gh:YpZgKqDFo1Fw8jDl8d4ug
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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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