General
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Target
809a87f6b823a8b1929508b5fcf138be2beae9b029a938d9cd74100ae262e5f2
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Size
729KB
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Sample
221011-eat2xadae8
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MD5
1dfecc1afdc92e89e77dc663cbf4c06f
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SHA1
699206a1ec7f1e6814e841422ff485f4a9f808e4
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SHA256
809a87f6b823a8b1929508b5fcf138be2beae9b029a938d9cd74100ae262e5f2
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SHA512
56570e16d06ca33a684762a1b152c47d2130aa03896b79dcda64f2839cca86660c7af4849d55e7ebb97f846d3f40a42e6bc3f843d597d62f734448af35fce7dd
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SSDEEP
12288:tnjZfck6n3nxQunXuUfgU6Xoylww4Y5eaqp10IEGmUw6dmUtO4F45WH/A7GU985:tj+XxzXBoUhylp5jq3B3mUtO4F4UHI3X
Static task
static1
Behavioral task
behavioral1
Sample
809a87f6b823a8b1929508b5fcf138be2beae9b029a938d9cd74100ae262e5f2.exe
Resource
win10v2004-20220901-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
809a87f6b823a8b1929508b5fcf138be2beae9b029a938d9cd74100ae262e5f2
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Size
729KB
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MD5
1dfecc1afdc92e89e77dc663cbf4c06f
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SHA1
699206a1ec7f1e6814e841422ff485f4a9f808e4
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SHA256
809a87f6b823a8b1929508b5fcf138be2beae9b029a938d9cd74100ae262e5f2
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SHA512
56570e16d06ca33a684762a1b152c47d2130aa03896b79dcda64f2839cca86660c7af4849d55e7ebb97f846d3f40a42e6bc3f843d597d62f734448af35fce7dd
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SSDEEP
12288:tnjZfck6n3nxQunXuUfgU6Xoylww4Y5eaqp10IEGmUw6dmUtO4F45WH/A7GU985:tj+XxzXBoUhylp5jq3B3mUtO4F4UHI3X
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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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