General
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Target
linux_386.elf
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Size
5.0MB
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Sample
241110-gva6mstrdp
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MD5
4147e50daff23cbea5cf1faabb73b576
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SHA1
438816933c155b9f3d7e3b5758715b0e32f4cff6
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SHA256
1805a01f3d3ed529079daf427941f35ac1a808da1c70f416dc4bc0c2068c24a4
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SHA512
92ec9f9f0230566511ee7ddaeb96c4423010299ac2f3318b49174a437c87a338fa354409ebc9b6fe242f0da0b112661a241260043c72c4f9ccf53e0832b4ce9e
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SSDEEP
49152:aIJ8Ou+wh2zUVtN9vEaBPC3uIdlLloDH8QEpOGr6KpZd1I1J:ayxyl/N9vROqci
Behavioral task
behavioral1
Sample
linux_386.elf
Resource
ubuntu2204-amd64-20240522.1-en
Malware Config
Extracted
kaiji
38.55.251.57:8899
Targets
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Target
linux_386.elf
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Size
5.0MB
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MD5
4147e50daff23cbea5cf1faabb73b576
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SHA1
438816933c155b9f3d7e3b5758715b0e32f4cff6
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SHA256
1805a01f3d3ed529079daf427941f35ac1a808da1c70f416dc4bc0c2068c24a4
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SHA512
92ec9f9f0230566511ee7ddaeb96c4423010299ac2f3318b49174a437c87a338fa354409ebc9b6fe242f0da0b112661a241260043c72c4f9ccf53e0832b4ce9e
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SSDEEP
49152:aIJ8Ou+wh2zUVtN9vEaBPC3uIdlLloDH8QEpOGr6KpZd1I1J:ayxyl/N9vROqci
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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 v15
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