General
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Target
setup.exe
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Size
215KB
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Sample
230426-ajw6eafg5z
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MD5
c42789e7f0a4a52b517d47e88fbaa0f6
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SHA1
fc7ce3637486f8a9f37b32c97d43d9614cb6958c
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SHA256
d16aadf4f239573976d6a589be2f956f9e18167b67ec2bbe1ef9d24686051a09
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SHA512
e073a165a6b367a9ceb89eb4f4d480e3daece1d8d7dd174001702c0bd9af6a377d6ebee13c081a6210acb11eb711cd0c1db990394b86963d99c21df507e7cc97
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SSDEEP
3072:JZoehNJoD9MR4zVJ0DIBYKlN/A/uivR8Jdx8xB5yY8f/3RC/pR7O6:RhGMR4xJXO/9ZYlwpR7
Static task
static1
Behavioral task
behavioral1
Sample
setup.exe
Resource
win7-20230220-en
Behavioral task
behavioral2
Sample
setup.exe
Resource
win10v2004-20230220-en
Malware Config
Extracted
smokeloader
2022
http://potunulit.org/
http://hutnilior.net/
http://bulimu55t.net/
http://soryytlic4.net/
http://novanosa5org.org/
http://nuljjjnuli.org/
http://tolilolihul.net/
http://somatoka51hub.net/
http://hujukui3.net/
http://bukubuka1.net/
http://golilopaster.org/
http://newzelannd66.org/
http://otriluyttn.org/
http://aapu.at/tmp/
http://poudineh.com/tmp/
http://firsttrusteedrx.ru/tmp/
http://kingpirate.ru/tmp/
Extracted
vidar
3.6
6908ab4fa5f20120a1d1ab0aab96b784
https://steamcommunity.com/profiles/76561199499188534
https://t.me/nutalse
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profile_id_v2
6908ab4fa5f20120a1d1ab0aab96b784
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user_agent
Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/104.0.0.0 Safari/537.36
Extracted
smokeloader
pub1
Extracted
amadey
3.70
77.73.134.27/n9kdjc3xSf/index.php
Extracted
djvu
http://zexeq.com/lancer/get.php
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extension
.foty
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offline_id
JFtdCcJoPS9sBORc6lnQV44QG764HrKKynxqdVt1
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payload_url
http://colisumy.com/dl/build2.exe
http://zexeq.com/files/1/build3.exe
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ransomnote
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Extracted
smokeloader
sprg
Targets
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Target
setup.exe
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Size
215KB
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MD5
c42789e7f0a4a52b517d47e88fbaa0f6
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SHA1
fc7ce3637486f8a9f37b32c97d43d9614cb6958c
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SHA256
d16aadf4f239573976d6a589be2f956f9e18167b67ec2bbe1ef9d24686051a09
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SHA512
e073a165a6b367a9ceb89eb4f4d480e3daece1d8d7dd174001702c0bd9af6a377d6ebee13c081a6210acb11eb711cd0c1db990394b86963d99c21df507e7cc97
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SSDEEP
3072:JZoehNJoD9MR4zVJ0DIBYKlN/A/uivR8Jdx8xB5yY8f/3RC/pR7O6:RhGMR4xJXO/9ZYlwpR7
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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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Modifies file permissions
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Uses the VBS compiler for execution
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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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