General
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Target
linux_386.elf
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Size
1.8MB
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Sample
250420-prtsksymt3
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MD5
f50b701a4d4f21aee1f382065ddbb519
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SHA1
e2c151946009bd0bb9acac03c78628a7f295a66f
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SHA256
1c1a71735e1d19cfb2149cd99596fdbc44a90a5c229413f710b65ee1a0942c0b
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SHA512
29b757fe5097051d8d9194a37dcacaf142d9988df6221dafe5216b1aa59d48722e6c0526a917d6be330247c1e5ed2a2009a1291bdaef6d7407345bbf28dce153
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SSDEEP
24576:Inoxw1zy7RvFMNRlnmxlJgAaI0ODBBri8wnJPVwchQItBPUgpxN2SzVVOMaWz1v:s/MBFBuEItpRpaSIWz1
Behavioral task
behavioral1
Sample
linux_386.elf
Resource
ubuntu2204-amd64-20250410-en
Malware Config
Extracted
kaiji
154.201.91.52:889
Targets
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Target
linux_386.elf
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Size
1.8MB
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MD5
f50b701a4d4f21aee1f382065ddbb519
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SHA1
e2c151946009bd0bb9acac03c78628a7f295a66f
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SHA256
1c1a71735e1d19cfb2149cd99596fdbc44a90a5c229413f710b65ee1a0942c0b
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SHA512
29b757fe5097051d8d9194a37dcacaf142d9988df6221dafe5216b1aa59d48722e6c0526a917d6be330247c1e5ed2a2009a1291bdaef6d7407345bbf28dce153
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SSDEEP
24576:Inoxw1zy7RvFMNRlnmxlJgAaI0ODBBri8wnJPVwchQItBPUgpxN2SzVVOMaWz1v:s/MBFBuEItpRpaSIWz1
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Kaiji
Kaiji payload
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Kaiji family
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Executes dropped EXE
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Modifies Watchdog functionality
Malware like Mirai modifies the Watchdog to prevent it restarting an infected system.
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Creates/modifies Cron job
Cron allows running tasks on a schedule, and is commonly used for malware persistence.
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Creates/modifies environment variables
Creating/modifying environment variables is a common persistence mechanism.
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Enumerates running processes
Discovers information about currently running processes on the system
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Modifies systemd
Adds/ modifies systemd service files. Likely to achieve persistence.
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Write file to user bin folder
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Modifies Bash startup script
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MITRE ATT&CK Enterprise v16
Persistence
Boot or Logon Autostart Execution
3XDG Autostart Entries
1Boot or Logon Initialization Scripts
1RC Scripts
1Create or Modify System Process
1Systemd Service
1Event Triggered Execution
1Unix Shell Configuration Modification
1Hijack Execution Flow
1Path Interception by PATH Environment Variable
1Scheduled Task/Job
1Cron
1Privilege Escalation
Boot or Logon Autostart Execution
3XDG Autostart Entries
1Boot or Logon Initialization Scripts
1RC Scripts
1Create or Modify System Process
1Systemd Service
1Event Triggered Execution
1Unix Shell Configuration Modification
1Hijack Execution Flow
1Path Interception by PATH Environment Variable
1Scheduled Task/Job
1Cron
1