General
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Target
d45f8dbff59b1729c1cf979f4a50200621367bd41ad193ba43d10177aefd8517
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Size
748KB
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Sample
221019-x468fadha7
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MD5
fbdf339bcfa8c626b0f591f3efdabfe3
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SHA1
a8d394decbdf56ce6ec8b337a4b7be721fde5737
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SHA256
d45f8dbff59b1729c1cf979f4a50200621367bd41ad193ba43d10177aefd8517
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SHA512
2e94820d9fb481249c097835197d48278f2d73c1886c383126551fbe4a8811e083f24db0f008e0f892d4e0cb6207ef94a1d0ce4af9dd4d9d4ee69c9f5a52eccf
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SSDEEP
12288:XufLjjMwAbb22PVziyWSqqjMAV1dwKsJH1DhM3r7foyahO2s/XCQP0lu0egR/e4:XO7AGQziy3qqxXfsJH1D23rMya8SQh0b
Static task
static1
Behavioral task
behavioral1
Sample
d45f8dbff59b1729c1cf979f4a50200621367bd41ad193ba43d10177aefd8517.exe
Resource
win10v2004-20220812-en
Malware Config
Extracted
djvu
http://winnlinne.com/lancer/get.php
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extension
.tury
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offline_id
Uz66zEbmA32arcxwT81zZhkb23026oHz5iSp8qt1
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payload_url
http://rgyui.top/dl/build2.exe
http://winnlinne.com/files/1/build3.exe
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ransomnote
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Extracted
vidar
55
517
https://t.me/truewallets
https://mas.to/@zara99
http://116.203.10.3:80
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profile_id
517
Targets
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Target
d45f8dbff59b1729c1cf979f4a50200621367bd41ad193ba43d10177aefd8517
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Size
748KB
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MD5
fbdf339bcfa8c626b0f591f3efdabfe3
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SHA1
a8d394decbdf56ce6ec8b337a4b7be721fde5737
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SHA256
d45f8dbff59b1729c1cf979f4a50200621367bd41ad193ba43d10177aefd8517
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SHA512
2e94820d9fb481249c097835197d48278f2d73c1886c383126551fbe4a8811e083f24db0f008e0f892d4e0cb6207ef94a1d0ce4af9dd4d9d4ee69c9f5a52eccf
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SSDEEP
12288:XufLjjMwAbb22PVziyWSqqjMAV1dwKsJH1DhM3r7foyahO2s/XCQP0lu0egR/e4:XO7AGQziy3qqxXfsJH1D23rMya8SQh0b
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Detected Djvu ransomware
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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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