General
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Target
file.exe
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Size
220KB
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Sample
230911-fj4s5sdh36
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MD5
114dc452d2dbf9e4812f427bbc4e198b
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SHA1
bc025ed1d49dfea3dcaf1a0c1d9b9b05744638e7
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SHA256
a53cad98526322a304e2f06fb07cc835341cbeb51a6f8e64ca49b8cd12f74a9d
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SHA512
4af022a62b80ef289a99677c224b330647bee1083b5deb50275b8731b5f54eb63f02bbba486cf5871482308b5c74534dafda28d1dcdbd571b47b38d5eec154f3
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SSDEEP
3072:A43OLr6zOIelzj6YW06UfsAtF6PEZOxBKls1S35AHC7Gxp:OLYOImj6L06vAt6E2nlHCs
Static task
static1
Behavioral task
behavioral1
Sample
file.exe
Resource
win7-20230831-en
Behavioral task
behavioral2
Sample
file.exe
Resource
win10v2004-20230831-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/
Extracted
djvu
http://zexeq.com/lancer/get.php
http://zexeq.com/raud/get.php
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extension
.hgew
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offline_id
Nk8w6hJsuGrE3s2SYWM3ehMUHvjgVRqqgX84dat1
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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
amadey
3.87
http://79.137.192.18/9bDc8sQ/index.php
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install_dir
577f58beff
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install_file
yiueea.exe
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strings_key
a5085075a537f09dec81cc154ec0af4d
Extracted
redline
LogsDiller Cloud (TG: @logsdillabot)
51.38.95.107:42494
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auth_value
3a050df92d0cf082b2cdaf87863616be
Extracted
redline
smokiez_build
194.169.175.232:45450
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auth_value
2e68bc276986767f0f14a3d75567abcd
Targets
-
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Target
file.exe
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Size
220KB
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MD5
114dc452d2dbf9e4812f427bbc4e198b
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SHA1
bc025ed1d49dfea3dcaf1a0c1d9b9b05744638e7
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SHA256
a53cad98526322a304e2f06fb07cc835341cbeb51a6f8e64ca49b8cd12f74a9d
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SHA512
4af022a62b80ef289a99677c224b330647bee1083b5deb50275b8731b5f54eb63f02bbba486cf5871482308b5c74534dafda28d1dcdbd571b47b38d5eec154f3
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SSDEEP
3072:A43OLr6zOIelzj6YW06UfsAtF6PEZOxBKls1S35AHC7Gxp:OLYOImj6L06vAt6E2nlHCs
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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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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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MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Scheduled Task/Job
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Scheduled Task/Job
1Defense Evasion
File and Directory Permissions Modification
1Modify Registry
2Subvert Trust Controls
1Install Root Certificate
1