General
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Target
1a462d8d6c05c8e2353887f07c00274581d01ddfdd113ee6cf6e53015d496c03
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Size
725KB
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Sample
220423-cmj2cshhb4
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MD5
21c67aa4c6f5d1a2e44161c6fdb866f4
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SHA1
d23a9e6bf30f1e46a92511288dbf47850d82f96f
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SHA256
1a462d8d6c05c8e2353887f07c00274581d01ddfdd113ee6cf6e53015d496c03
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SHA512
bb5e7f5d61a16a04d4440a189a10ea7f86b8b7c30d0796037c37e66cea91ece3eafc72c0998981bb0b321fa88a89b3954290d385e67ea56f2bea0b47faa7b29d
Static task
static1
Behavioral task
behavioral1
Sample
1a462d8d6c05c8e2353887f07c00274581d01ddfdd113ee6cf6e53015d496c03.exe
Resource
win10-20220414-en
Malware Config
Extracted
djvu
http://fuyt.org/test1/get.php
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extension
.msjd
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offline_id
Xe4NOamOTHZrARTiL9dfVzAylFrEWLGGbr2dngt1
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payload_url
http://zerit.top/dl/build2.exe
http://fuyt.org/files/1/build3.exe
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ransomnote
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Extracted
vidar
51.8
517
https://t.me/mm20220428
https://koyu.space/@ronxik123
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profile_id
517
Targets
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Target
1a462d8d6c05c8e2353887f07c00274581d01ddfdd113ee6cf6e53015d496c03
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Size
725KB
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MD5
21c67aa4c6f5d1a2e44161c6fdb866f4
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SHA1
d23a9e6bf30f1e46a92511288dbf47850d82f96f
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SHA256
1a462d8d6c05c8e2353887f07c00274581d01ddfdd113ee6cf6e53015d496c03
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SHA512
bb5e7f5d61a16a04d4440a189a10ea7f86b8b7c30d0796037c37e66cea91ece3eafc72c0998981bb0b321fa88a89b3954290d385e67ea56f2bea0b47faa7b29d
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Detected Djvu ransomware
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Vidar Stealer
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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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