General
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Target
55c1568433817d24d41dd736e465a831.bin
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Size
804KB
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Sample
221019-w3a8yacafm
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MD5
55c1568433817d24d41dd736e465a831
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SHA1
a6546fde81f840054b6a213c3f27f414a577525f
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SHA256
baf5c228cba2c6635b8e3e7abec6a714dade5ef768d0d8cad1b9f516b16af21e
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SHA512
c391655c1bd40c66b4f9cf3d8ee42a116cb8a00719febb0ce81e623c96fbcdb07cc4725b2a7d9f152c7c025f7924f83fe802a6cb1d64815681a09975488d44fc
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SSDEEP
12288:MRFnGDhDv6C+fuoqqr1BfburLvLzAi+BNQ64Ea+KRosGHunnw7J:MTnGNv6C+TqI4rzLz/+s64EaxdNw7
Static task
static1
Behavioral task
behavioral1
Sample
55c1568433817d24d41dd736e465a831.exe
Resource
win7-20220812-en
Behavioral task
behavioral2
Sample
55c1568433817d24d41dd736e465a831.exe
Resource
win10v2004-20220812-en
Malware Config
Extracted
djvu
http://winnlinne.com/test3/get.php
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extension
.ofoq
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offline_id
xkNzhkB1wvgoDI7Uo0HPNLY3qCuwoFpP7nlhlut1
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payload_url
http://rgyui.top/dl/build2.exe
http://winnlinne.com/files/1/build3.exe
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ransomnote
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Extracted
vidar
55
517
https://t.me/truewallets
https://mas.to/@zara99
http://116.203.10.3:80
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profile_id
517
Targets
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Target
55c1568433817d24d41dd736e465a831.bin
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Size
804KB
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MD5
55c1568433817d24d41dd736e465a831
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SHA1
a6546fde81f840054b6a213c3f27f414a577525f
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SHA256
baf5c228cba2c6635b8e3e7abec6a714dade5ef768d0d8cad1b9f516b16af21e
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SHA512
c391655c1bd40c66b4f9cf3d8ee42a116cb8a00719febb0ce81e623c96fbcdb07cc4725b2a7d9f152c7c025f7924f83fe802a6cb1d64815681a09975488d44fc
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SSDEEP
12288:MRFnGDhDv6C+fuoqqr1BfburLvLzAi+BNQ64Ea+KRosGHunnw7J:MTnGNv6C+TqI4rzLz/+s64EaxdNw7
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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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Checks computer location settings
Looks up country code configured in the registry, likely geofence.
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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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