General
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Target
linux_arm7
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Size
2.0MB
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Sample
250420-pajw2svtcs
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MD5
d4d36b5623331b7ae8dd841a740c4a54
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SHA1
608dda01f20f92bc967ad12d30d6d2a535c3e30f
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SHA256
5fa8b347636e9f92dc608623f80997fc260a24d9ac18118346e920c852291764
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SHA512
03abb5b9338d80f4bcc8e829c0b42758121e18085e049eecca31b5096134d1ed7b0905559cd1530ae9fc3c990cd43c5bd2bc8051b1d550bff10237c0340491f6
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SSDEEP
24576:H01f0dr8LVGxdIbrL4JCiDvJCzJI2hFvIw2c1lmsYhc0rJKyHjSY52dVh2HviGCM:AAibWT2xp2T1
Behavioral task
behavioral1
Sample
linux_arm7
Resource
debian9-armhf-20240729-en
Malware Config
Extracted
kaiji
103.45.68.160:888
Targets
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Target
linux_arm7
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Size
2.0MB
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MD5
d4d36b5623331b7ae8dd841a740c4a54
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SHA1
608dda01f20f92bc967ad12d30d6d2a535c3e30f
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SHA256
5fa8b347636e9f92dc608623f80997fc260a24d9ac18118346e920c852291764
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SHA512
03abb5b9338d80f4bcc8e829c0b42758121e18085e049eecca31b5096134d1ed7b0905559cd1530ae9fc3c990cd43c5bd2bc8051b1d550bff10237c0340491f6
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SSDEEP
24576:H01f0dr8LVGxdIbrL4JCiDvJCzJI2hFvIw2c1lmsYhc0rJKyHjSY52dVh2HviGCM:AAibWT2xp2T1
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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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Write file to user bin folder
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Modifies Bash startup script
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MITRE ATT&CK Enterprise v16
Execution
Command and Scripting Interpreter
1Unix Shell
1Scheduled Task/Job
1Cron
1Persistence
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