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General
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Target
8a57aa96e30f490a6031fb777829530dc6fdd07a6380629173a52d23ca96df08
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Size
787KB
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Sample
221007-x1xjtsddhl
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MD5
1d4f2942e0b4275d2ec80d8888a89bf1
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SHA1
a38459dbd5f0b383510fda02711a5399c76e60dc
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SHA256
8a57aa96e30f490a6031fb777829530dc6fdd07a6380629173a52d23ca96df08
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SHA512
1b8b5cc3c6b14695f7f0b7eb3048ad60d7e082ad95f930610d1c62c61edd46777f8b5ae40c45c7becc6dae43ccff2fe6a1dd2c3ea9a78af775265bb009983042
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SSDEEP
24576:YpRaOuhqlOrmR6Cus2eAm9oPU0kJQ6YIH:YXaLhIP6C34m9kKO6Y
Static task
static1
Behavioral task
behavioral1
Sample
8a57aa96e30f490a6031fb777829530dc6fdd07a6380629173a52d23ca96df08.exe
Resource
win10-20220812-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
8a57aa96e30f490a6031fb777829530dc6fdd07a6380629173a52d23ca96df08
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Size
787KB
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MD5
1d4f2942e0b4275d2ec80d8888a89bf1
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SHA1
a38459dbd5f0b383510fda02711a5399c76e60dc
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SHA256
8a57aa96e30f490a6031fb777829530dc6fdd07a6380629173a52d23ca96df08
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SHA512
1b8b5cc3c6b14695f7f0b7eb3048ad60d7e082ad95f930610d1c62c61edd46777f8b5ae40c45c7becc6dae43ccff2fe6a1dd2c3ea9a78af775265bb009983042
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SSDEEP
24576:YpRaOuhqlOrmR6Cus2eAm9oPU0kJQ6YIH:YXaLhIP6C34m9kKO6Y
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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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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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