General
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Target
f49aa3f4cc246fdf8d11363caecc1591.exe
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Size
245KB
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Sample
230608-ddaa8sbg3y
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MD5
f49aa3f4cc246fdf8d11363caecc1591
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SHA1
685e1e0cc4ad59ea582844d2f8746900dc5c0dbd
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SHA256
ea641f05f32a47d5d71bc779780448676cf471793214aafba66bcc9da0a141a2
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SHA512
c62fa20bbfd70236653fa3d570b2a447cdca4cca9b3b6ca83a3171fb237210cad8ff1a998ecdd47eb579e903b2f8528969d5fac8695d768c44b8a22c31813260
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SSDEEP
3072:94rr40JAoRl8vgvNJeEVji7lyRsSBKBD52D3a4p1:Is0JHeQNJe4i7IRsSMuD3
Static task
static1
Behavioral task
behavioral1
Sample
f49aa3f4cc246fdf8d11363caecc1591.exe
Resource
win7-20230220-en
Behavioral task
behavioral2
Sample
f49aa3f4cc246fdf8d11363caecc1591.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://toobussy.com/tmp/
http://wuc11.com/tmp/
http://ladogatur.ru/tmp/
http://kingpirate.ru/tmp/
Extracted
djvu
http://zexeq.com/raud/get.php
http://zexeq.com/lancer/get.php
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extension
.neon
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offline_id
0vTA6MA1m5nzrdffOCJC7YmAa4Lp6YNN8lOJ4mt1
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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
pub1
Extracted
vidar
4.2
a81bcf59d85e6e13257840e65b9d1da8
https://steamcommunity.com/profiles/76561199511129510
https://t.me/rechnungsbetrag
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profile_id_v2
a81bcf59d85e6e13257840e65b9d1da8
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user_agent
Mozilla/5.0 (Windows NT 6.3; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/75.0.3770.38 Safari/537.36 Brave/75
Targets
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Target
f49aa3f4cc246fdf8d11363caecc1591.exe
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Size
245KB
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MD5
f49aa3f4cc246fdf8d11363caecc1591
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SHA1
685e1e0cc4ad59ea582844d2f8746900dc5c0dbd
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SHA256
ea641f05f32a47d5d71bc779780448676cf471793214aafba66bcc9da0a141a2
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SHA512
c62fa20bbfd70236653fa3d570b2a447cdca4cca9b3b6ca83a3171fb237210cad8ff1a998ecdd47eb579e903b2f8528969d5fac8695d768c44b8a22c31813260
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SSDEEP
3072:94rr40JAoRl8vgvNJeEVji7lyRsSBKBD52D3a4p1:Is0JHeQNJe4i7IRsSMuD3
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Detect Fabookie payload
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Detected Djvu ransomware
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Downloads MZ/PE file
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Checks computer location settings
Looks up country code configured in the registry, likely geofence.
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Executes dropped EXE
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Modifies file permissions
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Adds Run key to start application
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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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