General
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Target
linux_amd64.elf
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Size
1.9MB
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Sample
250412-w6qssszvd1
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MD5
49b774a18bda406027264124ce697f2c
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SHA1
91d32e9895e67590d7fdd1ae4b366903e5b3fac0
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SHA256
bbe51e64bbd5c6c1fa9527edf487ac64beff5abc1e8e2daab1bb2a55b4457bb4
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SHA512
4e91ddead22e68f9e0e7053a8611f5d92e87dff75ed6d0db56a197fb5d9fe1da71448ae20bdd1d95483bc82cbc881b058bf8097f86fde91457f4e95a107ef153
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SSDEEP
49152:XXPVKrbvGOQLeS7rb/TCvO90d7HjmAFd4A64nsfJrkaani38T4B+g2vUqHOErz1:tPXZz
Behavioral task
behavioral1
Sample
linux_amd64.elf
Resource
ubuntu2204-amd64-20250307-en
Malware Config
Extracted
kaiji
aresweb.456789456.xyz:12345
Targets
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Target
linux_amd64.elf
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Size
1.9MB
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MD5
49b774a18bda406027264124ce697f2c
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SHA1
91d32e9895e67590d7fdd1ae4b366903e5b3fac0
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SHA256
bbe51e64bbd5c6c1fa9527edf487ac64beff5abc1e8e2daab1bb2a55b4457bb4
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SHA512
4e91ddead22e68f9e0e7053a8611f5d92e87dff75ed6d0db56a197fb5d9fe1da71448ae20bdd1d95483bc82cbc881b058bf8097f86fde91457f4e95a107ef153
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SSDEEP
49152:XXPVKrbvGOQLeS7rb/TCvO90d7HjmAFd4A64nsfJrkaani38T4B+g2vUqHOErz1:tPXZz
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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
Execution
Command and Scripting Interpreter
1Unix Shell
1Scheduled Task/Job
1Cron
1Persistence
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