General
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Target
4f402659f699e467c4b87f64c8f5110a2eddde180986ee4b084fcadc625531c8
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Size
794KB
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Sample
221012-aem2yacadj
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MD5
5f1899035572543e45becb0a2d037f6e
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SHA1
640d87f38da86a3852401ce46af72627c9a8581a
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SHA256
4f402659f699e467c4b87f64c8f5110a2eddde180986ee4b084fcadc625531c8
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SHA512
124d0f49d159ab749c3da778b73637ffd9397e7b76ef53fa355d8d884d1e4da8c7ca1db38a75f92e2f1ac0ccb5f241e177f052c5e92b50372ae0901a2eb08a91
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SSDEEP
12288:M/Ew9SuZ8v69hUQBiTCp3hwE16aLH+I3Y1U4A8j+9d:M/Ew9bDBiMhwE164nM8d9
Static task
static1
Behavioral task
behavioral1
Sample
4f402659f699e467c4b87f64c8f5110a2eddde180986ee4b084fcadc625531c8.exe
Resource
win10-20220812-en
Malware Config
Extracted
djvu
http://winnlinne.com/test1/get.php
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extension
.pohj
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offline_id
tHl9RvVtHhFQisMomKMdXzz2soNLhV0cuok85it1
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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
55
517
https://t.me/truewallets
https://mas.to/@zara99
http://116.203.10.3:80
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profile_id
517
Targets
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Target
4f402659f699e467c4b87f64c8f5110a2eddde180986ee4b084fcadc625531c8
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Size
794KB
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MD5
5f1899035572543e45becb0a2d037f6e
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SHA1
640d87f38da86a3852401ce46af72627c9a8581a
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SHA256
4f402659f699e467c4b87f64c8f5110a2eddde180986ee4b084fcadc625531c8
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SHA512
124d0f49d159ab749c3da778b73637ffd9397e7b76ef53fa355d8d884d1e4da8c7ca1db38a75f92e2f1ac0ccb5f241e177f052c5e92b50372ae0901a2eb08a91
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SSDEEP
12288:M/Ew9SuZ8v69hUQBiTCp3hwE16aLH+I3Y1U4A8j+9d:M/Ew9bDBiMhwE164nM8d9
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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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