General
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Target
linux_386.elf
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Size
5.0MB
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Sample
250320-3e33datrw3
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MD5
21ef8d4e6816e58f43beb0aee2422366
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SHA1
0fcb6e72f604ab6e2afef0a40433b06a29c373bb
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SHA256
e353d704ff45ff8513fa0ce6685d6dcb84cf7921f6173a935c9a312cde206631
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SHA512
e091ba1d17ca25af8718114884fa6c0724bc08c561df2adc80d4994eeb37ee2a16000c07c3bf91429c17a800e1af993a12f2a5be0696cb1459f86fdc0a7c8f3b
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SSDEEP
49152:E33d0lGt6UHcFL7Rn2o03wiEhiDmzzd/9sARlBs/00Cpfx9a9uN+p9hW16klbU6V:E33GlbU8FwmzzRDZ9mpqRV
Behavioral task
behavioral1
Sample
linux_386.elf
Resource
ubuntu2204-amd64-20250307-en
Malware Config
Extracted
kaiji
156.225.31.175:808
Targets
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Target
linux_386.elf
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Size
5.0MB
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MD5
21ef8d4e6816e58f43beb0aee2422366
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SHA1
0fcb6e72f604ab6e2afef0a40433b06a29c373bb
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SHA256
e353d704ff45ff8513fa0ce6685d6dcb84cf7921f6173a935c9a312cde206631
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SHA512
e091ba1d17ca25af8718114884fa6c0724bc08c561df2adc80d4994eeb37ee2a16000c07c3bf91429c17a800e1af993a12f2a5be0696cb1459f86fdc0a7c8f3b
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SSDEEP
49152:E33d0lGt6UHcFL7Rn2o03wiEhiDmzzd/9sARlBs/00Cpfx9a9uN+p9hW16klbU6V:E33GlbU8FwmzzRDZ9mpqRV
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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 v15
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