General
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Target
30523d9f0e7898f89538e2babd0e305b4e25b06521418e299e4e983c8597b558.elf
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Size
5.0MB
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Sample
241028-cr9sksxhmc
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MD5
4b53bd2b79fc8f18d1a5e591358bcfb9
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SHA1
4cde3dce676fb3a040472458c807b945d8ffefd8
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SHA256
30523d9f0e7898f89538e2babd0e305b4e25b06521418e299e4e983c8597b558
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SHA512
f5c2b671a899551f1c0f447c528d6c3c45933dce057cf16b5fea07c07dcb9b450698b1a36395852ae1822e2e22c61260b490ba6a469540b33da4704df783aa79
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SSDEEP
49152:E33d0lGt6UHcFL7Rn2o03wiEhiDmzzd/9sARlBs/00Cpfx9a9uNHp9hW16klbU6V:E33GlbU8FwmzzRDZ9moqRV
Behavioral task
behavioral1
Sample
30523d9f0e7898f89538e2babd0e305b4e25b06521418e299e4e983c8597b558.elf
Resource
ubuntu2204-amd64-20240611-en
Malware Config
Extracted
kaiji
154.12.82.11:808
Targets
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Target
30523d9f0e7898f89538e2babd0e305b4e25b06521418e299e4e983c8597b558.elf
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Size
5.0MB
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MD5
4b53bd2b79fc8f18d1a5e591358bcfb9
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SHA1
4cde3dce676fb3a040472458c807b945d8ffefd8
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SHA256
30523d9f0e7898f89538e2babd0e305b4e25b06521418e299e4e983c8597b558
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SHA512
f5c2b671a899551f1c0f447c528d6c3c45933dce057cf16b5fea07c07dcb9b450698b1a36395852ae1822e2e22c61260b490ba6a469540b33da4704df783aa79
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SSDEEP
49152:E33d0lGt6UHcFL7Rn2o03wiEhiDmzzd/9sARlBs/00Cpfx9a9uNHp9hW16klbU6V:E33GlbU8FwmzzRDZ9moqRV
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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