General
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Target
f52ec92e194792adb23ec51b70344e8f2229397d20db22c2d81625d462999b92
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Size
810KB
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Sample
220422-lc2yvsbfg3
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MD5
bc3210b08f03304be1a234b0cfb99508
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SHA1
61c6176fd7d5f5191dea00cbde85dc9f4aee1bb8
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SHA256
f52ec92e194792adb23ec51b70344e8f2229397d20db22c2d81625d462999b92
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SHA512
669e08088cb5c40452cf9436f59a23f4e78e8be750fb84740a5bd1b8382deecd4183aa22ef1168a6f12f2ab1f3f016b2e088511c267833820f4fd647b3d12c20
Static task
static1
Behavioral task
behavioral1
Sample
f52ec92e194792adb23ec51b70344e8f2229397d20db22c2d81625d462999b92.exe
Resource
win10-20220414-en
Malware Config
Extracted
djvu
http://fuyt.org/fhsgtsspen6/get.php
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extension
.dmay
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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
f52ec92e194792adb23ec51b70344e8f2229397d20db22c2d81625d462999b92
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Size
810KB
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MD5
bc3210b08f03304be1a234b0cfb99508
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SHA1
61c6176fd7d5f5191dea00cbde85dc9f4aee1bb8
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SHA256
f52ec92e194792adb23ec51b70344e8f2229397d20db22c2d81625d462999b92
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SHA512
669e08088cb5c40452cf9436f59a23f4e78e8be750fb84740a5bd1b8382deecd4183aa22ef1168a6f12f2ab1f3f016b2e088511c267833820f4fd647b3d12c20
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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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