General
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Target
b4713895ff6f439ff48663d3632b123a0f031f85854fdfd97f39fbd507293d34
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Size
727KB
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Sample
220424-3ygcqaedcj
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MD5
82af1c1f7221225a37fed1b3d195d131
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SHA1
3bcd67e1ed86c62a8b75cd81eb7c7ffe91deef2f
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SHA256
b4713895ff6f439ff48663d3632b123a0f031f85854fdfd97f39fbd507293d34
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SHA512
cf1e59e4c7129e9813ffa92acb164ee0239ef180af39fb9d99da632dc60f71dbd046c32dbeccb95b92ae92a353fab7742ab70881c9cbe0d317de86ceb86c6219
Static task
static1
Behavioral task
behavioral1
Sample
b4713895ff6f439ff48663d3632b123a0f031f85854fdfd97f39fbd507293d34.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
b4713895ff6f439ff48663d3632b123a0f031f85854fdfd97f39fbd507293d34
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Size
727KB
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MD5
82af1c1f7221225a37fed1b3d195d131
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SHA1
3bcd67e1ed86c62a8b75cd81eb7c7ffe91deef2f
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SHA256
b4713895ff6f439ff48663d3632b123a0f031f85854fdfd97f39fbd507293d34
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SHA512
cf1e59e4c7129e9813ffa92acb164ee0239ef180af39fb9d99da632dc60f71dbd046c32dbeccb95b92ae92a353fab7742ab70881c9cbe0d317de86ceb86c6219
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Detected Djvu ransomware
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suricata: ET MALWARE Potential Dridex.Maldoc Minimal Executable Request
suricata: ET MALWARE Potential Dridex.Maldoc Minimal Executable Request
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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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