General
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Target
b77e8f90be6739e0e56bcf0cc37e6ae648e1bda053367005ed4fa9bb934c515b
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Size
783KB
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Sample
220422-awcbrsefal
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MD5
74a942f9c56909c8a34273255d37c298
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SHA1
4e2a762e6790d078e6a9be58837744c4973becb1
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SHA256
b77e8f90be6739e0e56bcf0cc37e6ae648e1bda053367005ed4fa9bb934c515b
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SHA512
717f08d5e2c37c2910222857b80a83e5f529f9cf2d50007001bd13e2e6b94f6f4ad3130c596feabff747f71abfa5edff6083e280331e87bb278e24144a1808ea
Static task
static1
Behavioral task
behavioral1
Sample
b77e8f90be6739e0e56bcf0cc37e6ae648e1bda053367005ed4fa9bb934c515b.exe
Resource
win10v2004-20220414-en
Malware Config
Extracted
djvu
http://fuyt.org/test1/get.php
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extension
.msjd
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offline_id
Xe4NOamOTHZrARTiL9dfVzAylFrEWLGGbr2dngt1
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payload_url
http://zerit.top/dl/build2.exe
http://fuyt.org/files/1/build3.exe
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ransomnote
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Extracted
vidar
51.8
517
https://t.me/mm20220428
https://koyu.space/@ronxik123
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profile_id
517
Targets
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Target
b77e8f90be6739e0e56bcf0cc37e6ae648e1bda053367005ed4fa9bb934c515b
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Size
783KB
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MD5
74a942f9c56909c8a34273255d37c298
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SHA1
4e2a762e6790d078e6a9be58837744c4973becb1
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SHA256
b77e8f90be6739e0e56bcf0cc37e6ae648e1bda053367005ed4fa9bb934c515b
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SHA512
717f08d5e2c37c2910222857b80a83e5f529f9cf2d50007001bd13e2e6b94f6f4ad3130c596feabff747f71abfa5edff6083e280331e87bb278e24144a1808ea
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Detected Djvu ransomware
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suricata: ET MALWARE Potential Dridex.Maldoc Minimal Executable Request
suricata: ET MALWARE Potential Dridex.Maldoc Minimal Executable Request
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Vidar Stealer
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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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