General
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Target
260d7201d704fe76b95db603711a0bc506c5a37f5877633c064a5c72b4226586
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Size
729KB
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Sample
221011-eegx5sdebn
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MD5
5086b3288a681780bc07adfc80f3712e
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SHA1
87f77321abd0df39fad614b47542802ed2676bab
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SHA256
260d7201d704fe76b95db603711a0bc506c5a37f5877633c064a5c72b4226586
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SHA512
12f6e75851107697b778a45d04fb1bb948066c74adccb21220801b63a48e8d1614dba5af0c06174719ed1f78de84e51fdee492addf30e8d43dd769b1387659ff
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SSDEEP
12288:nsNJxKezSbpJjItpvbj5/YoMqgQrCRryy2mCn5B3tM6sQPwwNu3StdBL1dKnSmMy:nMarM7vGqg6GrHhs3ZywGMDDKSmMZM
Static task
static1
Behavioral task
behavioral1
Sample
260d7201d704fe76b95db603711a0bc506c5a37f5877633c064a5c72b4226586.exe
Resource
win10v2004-20220901-en
Malware Config
Extracted
djvu
http://winnlinne.com/test1/get.php
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extension
.tohj
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offline_id
SSHsHMHGmSIhrz50VnIxLJJX15osxEQY6iXedXt1
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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
260d7201d704fe76b95db603711a0bc506c5a37f5877633c064a5c72b4226586
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Size
729KB
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MD5
5086b3288a681780bc07adfc80f3712e
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SHA1
87f77321abd0df39fad614b47542802ed2676bab
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SHA256
260d7201d704fe76b95db603711a0bc506c5a37f5877633c064a5c72b4226586
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SHA512
12f6e75851107697b778a45d04fb1bb948066c74adccb21220801b63a48e8d1614dba5af0c06174719ed1f78de84e51fdee492addf30e8d43dd769b1387659ff
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SSDEEP
12288:nsNJxKezSbpJjItpvbj5/YoMqgQrCRryy2mCn5B3tM6sQPwwNu3StdBL1dKnSmMy:nMarM7vGqg6GrHhs3ZywGMDDKSmMZM
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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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