General
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Target
857fc5f14aa1bc9718f78b8f49fbed6e784db2628d40164b8efee7e68658f7fc
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Size
769KB
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Sample
220915-lprnnagcer
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MD5
12ad35aac08ecd2a9a895b07371a7af3
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SHA1
fbce08b7abaa1372a1ae47bc8a1a730e5edc4520
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SHA256
857fc5f14aa1bc9718f78b8f49fbed6e784db2628d40164b8efee7e68658f7fc
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SHA512
a0c34bff22d47082ef0d88b8ee234b4e12966df7afcfea9d6e8f9b5f395eb477c5392fa0e0d042e869ae7571c9951d95661b4b84b1eac473290aa950d82bf58e
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SSDEEP
24576:P90258FhHIkqJafcJuSJctAb4dcVPDJAnOwu8Kij:P4IUXCjFG
Static task
static1
Behavioral task
behavioral1
Sample
857fc5f14aa1bc9718f78b8f49fbed6e784db2628d40164b8efee7e68658f7fc.exe
Resource
win10-20220901-en
Malware Config
Extracted
djvu
http://acacaca.org/test1/get.php
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extension
.eewt
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offline_id
5IVlpkccZlJz0AZ5atgGWVKe9CGAnXjohDf40mt1
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payload_url
http://rgyui.top/dl/build2.exe
http://acacaca.org/files/1/build3.exe
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ransomnote
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Targets
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Target
857fc5f14aa1bc9718f78b8f49fbed6e784db2628d40164b8efee7e68658f7fc
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Size
769KB
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MD5
12ad35aac08ecd2a9a895b07371a7af3
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SHA1
fbce08b7abaa1372a1ae47bc8a1a730e5edc4520
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SHA256
857fc5f14aa1bc9718f78b8f49fbed6e784db2628d40164b8efee7e68658f7fc
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SHA512
a0c34bff22d47082ef0d88b8ee234b4e12966df7afcfea9d6e8f9b5f395eb477c5392fa0e0d042e869ae7571c9951d95661b4b84b1eac473290aa950d82bf58e
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SSDEEP
24576:P90258FhHIkqJafcJuSJctAb4dcVPDJAnOwu8Kij:P4IUXCjFG
Score10/10-
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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