General
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Target
86e8c70995160fb78bb6bd1a9db0bd05d6723b17e403d1aa7d95760f6f75fed4_JC.exe
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Size
265KB
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Sample
230923-xncznabe75
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MD5
419bb1b0f8c68c756f923a7adcb97b20
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SHA1
a8462e59d25819b2b97dccc86bdb60dec54bebfe
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SHA256
86e8c70995160fb78bb6bd1a9db0bd05d6723b17e403d1aa7d95760f6f75fed4
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SHA512
0031d902d88d13411d708c95cdad59d73368c694c16adcbf90af795cf65b9a67465a5e3b3a0e4b7d7916aed0b3cfd02fb05d384c7b95427d077e1f38e9d3490b
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SSDEEP
3072:rl7XIAIrWPgrVGhDtZRlX5jahILcxBFSB/ntypeeQ42Q8yN/:rtWrJrEhDDrppYAhnYpe+2Q8i
Static task
static1
Behavioral task
behavioral1
Sample
86e8c70995160fb78bb6bd1a9db0bd05d6723b17e403d1aa7d95760f6f75fed4_JC.exe
Resource
win7-20230831-en
Behavioral task
behavioral2
Sample
86e8c70995160fb78bb6bd1a9db0bd05d6723b17e403d1aa7d95760f6f75fed4_JC.exe
Resource
win10v2004-20230915-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://gudintas.at/tmp/
http://pik96.ru/tmp/
http://rosatiauto.com/tmp/
http://kingpirate.ru/tmp/
Extracted
djvu
http://zexeq.com/raud/get.php
http://zexeq.com/lancer/get.php
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extension
.azhi
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offline_id
GQ9DjFmWFDqpsyzsOnaxE1Xr4MPL1dG4vPfPDNt1
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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)
51.38.95.107:42494
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auth_value
3a050df92d0cf082b2cdaf87863616be
Extracted
redline
5.42.65.101:40676
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auth_value
909a45aeb6f84954c2adb84717b244e0
Extracted
smokeloader
pub1
Targets
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Target
86e8c70995160fb78bb6bd1a9db0bd05d6723b17e403d1aa7d95760f6f75fed4_JC.exe
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Size
265KB
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MD5
419bb1b0f8c68c756f923a7adcb97b20
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SHA1
a8462e59d25819b2b97dccc86bdb60dec54bebfe
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SHA256
86e8c70995160fb78bb6bd1a9db0bd05d6723b17e403d1aa7d95760f6f75fed4
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SHA512
0031d902d88d13411d708c95cdad59d73368c694c16adcbf90af795cf65b9a67465a5e3b3a0e4b7d7916aed0b3cfd02fb05d384c7b95427d077e1f38e9d3490b
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SSDEEP
3072:rl7XIAIrWPgrVGhDtZRlX5jahILcxBFSB/ntypeeQ42Q8yN/:rtWrJrEhDDrppYAhnYpe+2Q8i
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DcRat
DarkCrystal(DC) is a new .NET RAT active since June 2019 capable of loading additional plugins.
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Detected Djvu ransomware
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Glupteba payload
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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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Stops running service(s)
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.NET Reactor proctector
Detects an executable protected by an unregistered version of Eziriz's .NET Reactor.
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Deletes itself
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Drops startup file
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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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Legitimate hosting services abused for malware hosting/C2
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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
1Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Defense Evasion
File and Directory Permissions Modification
1Impair Defenses
1Modify Registry
2Subvert Trust Controls
1Install Root Certificate
1