General
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Target
linux_arm5.elf
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Size
5.1MB
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Sample
250412-w7e3pazvgv
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MD5
215841c0dccf1f3f5d7d186160e6fa9d
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SHA1
b8b44ad02b85c6716cdd04e1cf918f824aa3ba2b
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SHA256
09982fbb135517c8ed2558d41c3f43ffdc4bfdaeff4474b96928b5e83e051745
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SHA512
dec10197abee7d71937e2daec029cacc77d75e7f05765c6100232604f93999c4c85c5c80f573588de8273f5c8ec5a6c460f8c116fdeb6a29591873ff907ec7c7
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SSDEEP
49152:QtKY0CdO+kBRx0Tg0qTecEG7meYuhq+lYfQMcU1F1:OKY3U+qRxQ3qKuM
Behavioral task
behavioral1
Sample
linux_arm5.elf
Resource
debian9-armhf-20250410-en
Malware Config
Extracted
kaiji
aresapp.456789456.xyz:52462
Targets
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Target
linux_arm5.elf
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Size
5.1MB
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MD5
215841c0dccf1f3f5d7d186160e6fa9d
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SHA1
b8b44ad02b85c6716cdd04e1cf918f824aa3ba2b
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SHA256
09982fbb135517c8ed2558d41c3f43ffdc4bfdaeff4474b96928b5e83e051745
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SHA512
dec10197abee7d71937e2daec029cacc77d75e7f05765c6100232604f93999c4c85c5c80f573588de8273f5c8ec5a6c460f8c116fdeb6a29591873ff907ec7c7
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SSDEEP
49152:QtKY0CdO+kBRx0Tg0qTecEG7meYuhq+lYfQMcU1F1:OKY3U+qRxQ3qKuM
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Kaiji
Kaiji payload
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Kaiji family
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kaiji_chaosbot
Chaos-variant payload
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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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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
2Boot or Logon Initialization Scripts
1RC Scripts
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
2Boot or Logon Initialization Scripts
1RC Scripts
1Event Triggered Execution
1Unix Shell Configuration Modification
1Hijack Execution Flow
1Path Interception by PATH Environment Variable
1Scheduled Task/Job
1Cron
1