General
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Target
linux_amd64.elf
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Size
5.2MB
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Sample
250412-w68zdazvfs
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MD5
cb36b85a9cb78999875e2b00b1d4db6e
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SHA1
95a2c51f333b7e74e77aa6089890a2ae5db0310a
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SHA256
eb6c4a5985b1e644ad64ce61fb3eee4f93a2f16ac2960ece0b23f9c39e37dc04
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SHA512
16385286be811d5417f96e6f9f1bcf789412f19eb81ae5b773e2e338bc91ed2c84b965622a2a979fe42377d14c72019ff104b8d301bc9c2c9a12594239871a00
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SSDEEP
49152:7Xa6xzZWhrb/T4vO90dL3BmAFd4A64nsfJPJ6TdXnT9aqeJaz2xNkapDnYRQoj1S:b2ONLBzSxtSTwElHz
Behavioral task
behavioral1
Sample
linux_amd64.elf
Resource
ubuntu2204-amd64-20250307-en
Malware Config
Extracted
kaiji
aresapp.456789456.xyz:52462
Targets
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Target
linux_amd64.elf
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Size
5.2MB
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MD5
cb36b85a9cb78999875e2b00b1d4db6e
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SHA1
95a2c51f333b7e74e77aa6089890a2ae5db0310a
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SHA256
eb6c4a5985b1e644ad64ce61fb3eee4f93a2f16ac2960ece0b23f9c39e37dc04
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SHA512
16385286be811d5417f96e6f9f1bcf789412f19eb81ae5b773e2e338bc91ed2c84b965622a2a979fe42377d14c72019ff104b8d301bc9c2c9a12594239871a00
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SSDEEP
49152:7Xa6xzZWhrb/T4vO90dL3BmAFd4A64nsfJPJ6TdXnT9aqeJaz2xNkapDnYRQoj1S:b2ONLBzSxtSTwElHz
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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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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