General
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Target
fb78f0189b3cbb83162ec787478beb77805772a9e985e35b356ba57da75c967c
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Size
799KB
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Sample
221005-rshg2seeg3
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MD5
fc47e9571ca6ac5aa22494a8924c5303
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SHA1
3f38e682284990961cec20317ef33e675dc20d43
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SHA256
fb78f0189b3cbb83162ec787478beb77805772a9e985e35b356ba57da75c967c
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SHA512
dbda6619d895749a0f94fe9f1b8716638995b23ead19a756c60b1a33c401b2be0b9bfdc7c2c768c5dcd556c84659c75ddec25793e2a7d1fdeab44010eeca8810
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SSDEEP
24576:sZPqiZoLGBCaqqp5dYVuYjY4OWpdbW7A5M4:WzSaZqqpTwuYTO6h
Static task
static1
Behavioral task
behavioral1
Sample
fb78f0189b3cbb83162ec787478beb77805772a9e985e35b356ba57da75c967c.exe
Resource
win10v2004-20220812-en
Malware Config
Extracted
djvu
http://winnlinne.com/test1/get.php
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extension
.adlg
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offline_id
z8lhl4oForVEc7gy9Ra8rSqjYMl3xiFRuIW4not1
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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
54.9
517
https://t.me/larsenup
https://ioc.exchange/@zebra54
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profile_id
517
Targets
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Target
fb78f0189b3cbb83162ec787478beb77805772a9e985e35b356ba57da75c967c
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Size
799KB
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MD5
fc47e9571ca6ac5aa22494a8924c5303
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SHA1
3f38e682284990961cec20317ef33e675dc20d43
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SHA256
fb78f0189b3cbb83162ec787478beb77805772a9e985e35b356ba57da75c967c
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SHA512
dbda6619d895749a0f94fe9f1b8716638995b23ead19a756c60b1a33c401b2be0b9bfdc7c2c768c5dcd556c84659c75ddec25793e2a7d1fdeab44010eeca8810
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SSDEEP
24576:sZPqiZoLGBCaqqp5dYVuYjY4OWpdbW7A5M4:WzSaZqqpTwuYTO6h
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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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