General
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Target
41e1a2453123d4bdfb252ecb699cc1624b43de4edbe6cf81b5359357ba85c024_JC.exe
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Size
255KB
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Sample
230813-lfb7lscd9w
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MD5
e7ea2735662e9869f57f8b8cbb0f89bc
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SHA1
8fcf373e32892afde47b5106eb3cee0916492087
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SHA256
41e1a2453123d4bdfb252ecb699cc1624b43de4edbe6cf81b5359357ba85c024
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SHA512
9e2fd5a54f5db9a5491ef5704d2060c43e501aa94ecae25abb96f410b3e1f24702ac61855bcdea0bdb157e32c77be9cbd874e806837a0df8ad6e2a9e0c3b1672
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SSDEEP
3072:s9X03Rf9LeX8G5SPJ6eGYJnCrFTXDvdvO86i2gh8RKZC5:M0F9LiSPJJbcrJXDdO85ZA
Static task
static1
Behavioral task
behavioral1
Sample
41e1a2453123d4bdfb252ecb699cc1624b43de4edbe6cf81b5359357ba85c024_JC.exe
Resource
win7-20230712-en
Behavioral task
behavioral2
Sample
41e1a2453123d4bdfb252ecb699cc1624b43de4edbe6cf81b5359357ba85c024_JC.exe
Resource
win10v2004-20230703-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://greenbi.net/tmp/
http://speakdyn.com/tmp/
http://pik96.ru/tmp/
Extracted
redline
lux3
176.123.9.142:14845
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auth_value
e94dff9a76da90d6b000642c4a52574b
Extracted
djvu
http://zexeq.com/raud/get.php
http://zexeq.com/lancer/get.php
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extension
.yyza
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offline_id
UcKp2U8xIAuhirf1rVzlXed6KBYXf0O1WXF2njt1
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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
redline
LogsDiller Cloud (TG: @logsdillabot)
51.83.170.21:19447
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auth_value
3a050df92d0cf082b2cdaf87863616be
Extracted
amadey
3.87
79.137.192.18/9bDc8sQ/index.php
Extracted
smokeloader
pub1
Targets
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Target
41e1a2453123d4bdfb252ecb699cc1624b43de4edbe6cf81b5359357ba85c024_JC.exe
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Size
255KB
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MD5
e7ea2735662e9869f57f8b8cbb0f89bc
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SHA1
8fcf373e32892afde47b5106eb3cee0916492087
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SHA256
41e1a2453123d4bdfb252ecb699cc1624b43de4edbe6cf81b5359357ba85c024
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SHA512
9e2fd5a54f5db9a5491ef5704d2060c43e501aa94ecae25abb96f410b3e1f24702ac61855bcdea0bdb157e32c77be9cbd874e806837a0df8ad6e2a9e0c3b1672
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SSDEEP
3072:s9X03Rf9LeX8G5SPJ6eGYJnCrFTXDvdvO86i2gh8RKZC5:M0F9LiSPJJbcrJXDdO85ZA
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Detect Fabookie payload
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Detected Djvu ransomware
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RedLine
RedLine Stealer is a malware family written in C#, first appearing in early 2020.
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Downloads MZ/PE file
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Deletes itself
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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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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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