General
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Target
fb04b4c3de0cb9b913de0292bf4a989fa9d910e65b168af00b726037576c0b2c
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Size
715KB
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Sample
220925-cm81gscgf4
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MD5
50d9f3d8024e834ec524591080e70d72
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SHA1
22d61d8a2e4a907c92d8bf64ad66321f4297b27a
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SHA256
fb04b4c3de0cb9b913de0292bf4a989fa9d910e65b168af00b726037576c0b2c
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SHA512
c7ec217b42335c9f35b4d4632141469ee729a49a8afcd9b71d352ebcf9054fbeb1cb6b3232b3728a6ae84a3f11733ea7a6cd11d4fb7fea2785e329681e359d0b
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SSDEEP
12288:X8tstv+Nd8GnPLRE521nHrKDFUOkXOgNKMcxYq8IQbV49IYs03:wskkGnPLR11ne5UOk+AK6qcbV49IYs4
Static task
static1
Behavioral task
behavioral1
Sample
fb04b4c3de0cb9b913de0292bf4a989fa9d910e65b168af00b726037576c0b2c.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
54.6
517
https://t.me/huobiinside
https://mas.to/@kyriazhs1975
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profile_id
517
Targets
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Target
fb04b4c3de0cb9b913de0292bf4a989fa9d910e65b168af00b726037576c0b2c
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Size
715KB
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MD5
50d9f3d8024e834ec524591080e70d72
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SHA1
22d61d8a2e4a907c92d8bf64ad66321f4297b27a
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SHA256
fb04b4c3de0cb9b913de0292bf4a989fa9d910e65b168af00b726037576c0b2c
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SHA512
c7ec217b42335c9f35b4d4632141469ee729a49a8afcd9b71d352ebcf9054fbeb1cb6b3232b3728a6ae84a3f11733ea7a6cd11d4fb7fea2785e329681e359d0b
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SSDEEP
12288:X8tstv+Nd8GnPLRE521nHrKDFUOkXOgNKMcxYq8IQbV49IYs03:wskkGnPLR11ne5UOk+AK6qcbV49IYs4
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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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