General
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Target
76c36934cfef5c72a81150c9c15fc163ce1a84635d6cd333ac0c6808285d9802
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Size
729KB
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Sample
221011-kgla8seebp
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MD5
7545dc45d86663ee45aff24419cc15ac
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SHA1
adadfbebd62e1f3890d74200ecd671b713a7e56c
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SHA256
76c36934cfef5c72a81150c9c15fc163ce1a84635d6cd333ac0c6808285d9802
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SHA512
47600e3edf5dc4bd75898838c6cc020fa40cb4f1ac068a12df21dfdd9e9fd12e80ba2ee850523d6255efaa965b9174a299b91c0140c81f5ab2497e148b811369
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SSDEEP
12288:x3I28e0JX1DfhYQ9U183I0oKbeFdAIBdRo3lJltE0ZUCNJ82ip:x3v0B1DhBU1KoKbYhj8lJQ0ZUiJ81
Static task
static1
Behavioral task
behavioral1
Sample
76c36934cfef5c72a81150c9c15fc163ce1a84635d6cd333ac0c6808285d9802.exe
Resource
win10v2004-20220812-en
Malware Config
Extracted
djvu
http://winnlinne.com/lancer/get.php
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extension
.towz
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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
76c36934cfef5c72a81150c9c15fc163ce1a84635d6cd333ac0c6808285d9802
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Size
729KB
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MD5
7545dc45d86663ee45aff24419cc15ac
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SHA1
adadfbebd62e1f3890d74200ecd671b713a7e56c
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SHA256
76c36934cfef5c72a81150c9c15fc163ce1a84635d6cd333ac0c6808285d9802
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SHA512
47600e3edf5dc4bd75898838c6cc020fa40cb4f1ac068a12df21dfdd9e9fd12e80ba2ee850523d6255efaa965b9174a299b91c0140c81f5ab2497e148b811369
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SSDEEP
12288:x3I28e0JX1DfhYQ9U183I0oKbeFdAIBdRo3lJltE0ZUCNJ82ip:x3v0B1DhBU1KoKbYhj8lJQ0ZUiJ81
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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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