General
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Target
4d301c57348a4c4efc884c7c5b86b9e67d464dd68eaeb2dfe71f6d1a733b1ecb
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Size
725KB
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Sample
220423-ah9ecahcd6
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MD5
c71d8b20a09e81f252d0cb0c5226dd4e
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SHA1
5a63a4137cc0cebf4c2dade29205517e4bd6354d
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SHA256
4d301c57348a4c4efc884c7c5b86b9e67d464dd68eaeb2dfe71f6d1a733b1ecb
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SHA512
35e5400b89346d5eb600545926b5c32ab7b650478997546cbea1d511910e0aac38cf8cfa3c14696986e9ad695e54f06fc1a01cad2aae2ec7d75bc37ed1e712e8
Static task
static1
Behavioral task
behavioral1
Sample
4d301c57348a4c4efc884c7c5b86b9e67d464dd68eaeb2dfe71f6d1a733b1ecb.exe
Resource
win10v2004-20220414-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
4d301c57348a4c4efc884c7c5b86b9e67d464dd68eaeb2dfe71f6d1a733b1ecb
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Size
725KB
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MD5
c71d8b20a09e81f252d0cb0c5226dd4e
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SHA1
5a63a4137cc0cebf4c2dade29205517e4bd6354d
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SHA256
4d301c57348a4c4efc884c7c5b86b9e67d464dd68eaeb2dfe71f6d1a733b1ecb
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SHA512
35e5400b89346d5eb600545926b5c32ab7b650478997546cbea1d511910e0aac38cf8cfa3c14696986e9ad695e54f06fc1a01cad2aae2ec7d75bc37ed1e712e8
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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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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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