General
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Target
linux_arm7.elf
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Size
5.1MB
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Sample
241108-le22mszfrq
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MD5
7c906062c4cbd0ca1eb795a1adcd48bb
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SHA1
8253d4e0fa13fe8a05961ffbf8e1245c9080556c
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SHA256
ff466605516a4e2b5b2baf5f98efff8178892a96d9043a77b29088953ea3f12a
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SHA512
37f969c03ec5c07e3d4facd241b0c5d808570f6535fb785aee85352d849278fdf98a091b5234fc104fd24251f6d6e79c19c4df53ff2079a4ec7c261255978b1c
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SSDEEP
49152:PJzG9XxZPF773LVPN9GnMbaVZGNJru8cYWPAXq7nLYvV0rzmpxUIU1F1:hzG9Xn53LtN9pbu0Jru8cYWPAXqG
Behavioral task
behavioral1
Sample
linux_arm7.elf
Resource
debian9-armhf-20240729-en
Malware Config
Extracted
kaiji
154.201.84.237:7850
Targets
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Target
linux_arm7.elf
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Size
5.1MB
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MD5
7c906062c4cbd0ca1eb795a1adcd48bb
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SHA1
8253d4e0fa13fe8a05961ffbf8e1245c9080556c
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SHA256
ff466605516a4e2b5b2baf5f98efff8178892a96d9043a77b29088953ea3f12a
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SHA512
37f969c03ec5c07e3d4facd241b0c5d808570f6535fb785aee85352d849278fdf98a091b5234fc104fd24251f6d6e79c19c4df53ff2079a4ec7c261255978b1c
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SSDEEP
49152:PJzG9XxZPF773LVPN9GnMbaVZGNJru8cYWPAXq7nLYvV0rzmpxUIU1F1:hzG9Xn53LtN9pbu0Jru8cYWPAXqG
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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 v15
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