General
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Target
bfd4914da6ef7c3e1a8f841d5efc87a92b2694b2f48f571136b4cfc0e354aa15
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Size
726KB
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Sample
220423-nb2yksgbhr
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MD5
93fb45e0de1347982cd73026c70a7628
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SHA1
f55ec220a8984394069ddf087e99ef64dfe33dc6
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SHA256
bfd4914da6ef7c3e1a8f841d5efc87a92b2694b2f48f571136b4cfc0e354aa15
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SHA512
eaec589308fcb46ac3d06bb755ca8cd8a6f2c35fdc7eee36f71d5a96b61cc315a11cd768a544b3b4b159cdaa971e3014a8c061a2530ab70a36a3c53ed94e22ba
Static task
static1
Behavioral task
behavioral1
Sample
bfd4914da6ef7c3e1a8f841d5efc87a92b2694b2f48f571136b4cfc0e354aa15.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
bfd4914da6ef7c3e1a8f841d5efc87a92b2694b2f48f571136b4cfc0e354aa15
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Size
726KB
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MD5
93fb45e0de1347982cd73026c70a7628
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SHA1
f55ec220a8984394069ddf087e99ef64dfe33dc6
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SHA256
bfd4914da6ef7c3e1a8f841d5efc87a92b2694b2f48f571136b4cfc0e354aa15
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SHA512
eaec589308fcb46ac3d06bb755ca8cd8a6f2c35fdc7eee36f71d5a96b61cc315a11cd768a544b3b4b159cdaa971e3014a8c061a2530ab70a36a3c53ed94e22ba
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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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