General
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Target
f3b71c9345b16fa86fc760b141aac04378569a87fb2bfd4b7e987fc4fab049b8
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Size
805KB
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Sample
240417-lg32qace9t
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MD5
5546486a3b707906c7839acf047cb4de
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SHA1
716eac807e489976b8fbafafb6a6c14d4ae361ca
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SHA256
f3b71c9345b16fa86fc760b141aac04378569a87fb2bfd4b7e987fc4fab049b8
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SHA512
8654cf3aebfb9ce741c5658497f0d690daeb0640d24ede6260ff0f61e17a0a985f6c7f8d08cafd0f9ceb74787ef435b1217772fa11f42aadc9086d545901b870
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SSDEEP
12288:2dnn5kT8o6i4fetNdK9PVEU0BzDONgDZOk1mibb7l6+ieudHTCz4Db:2dGdZet6xOq5lbHl6/eudS+
Static task
static1
Behavioral task
behavioral1
Sample
f3b71c9345b16fa86fc760b141aac04378569a87fb2bfd4b7e987fc4fab049b8.exe
Resource
win10v2004-20240226-en
Behavioral task
behavioral2
Sample
f3b71c9345b16fa86fc760b141aac04378569a87fb2bfd4b7e987fc4fab049b8.exe
Resource
win11-20240412-en
Malware Config
Extracted
djvu
http://sajdfue.com/test1/get.php
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extension
.uajs
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offline_id
Jx0i3k2ogR5cKxX1evmz0Ex7TUxOUlnbh2dvnIt1
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payload_url
http://sdfjhuz.com/dl/build2.exe
http://sajdfue.com/files/1/build3.exe
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ransomnote
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Targets
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Target
f3b71c9345b16fa86fc760b141aac04378569a87fb2bfd4b7e987fc4fab049b8
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Size
805KB
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MD5
5546486a3b707906c7839acf047cb4de
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SHA1
716eac807e489976b8fbafafb6a6c14d4ae361ca
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SHA256
f3b71c9345b16fa86fc760b141aac04378569a87fb2bfd4b7e987fc4fab049b8
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SHA512
8654cf3aebfb9ce741c5658497f0d690daeb0640d24ede6260ff0f61e17a0a985f6c7f8d08cafd0f9ceb74787ef435b1217772fa11f42aadc9086d545901b870
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SSDEEP
12288:2dnn5kT8o6i4fetNdK9PVEU0BzDONgDZOk1mibb7l6+ieudHTCz4Db:2dGdZet6xOq5lbHl6/eudS+
Score10/10-
Detected Djvu ransomware
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Checks computer location settings
Looks up country code configured in the registry, likely geofence.
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Modifies file permissions
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Adds Run key to start application
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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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