General
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Target
3bd7660e77cbac4a9c8e0d85c03fe144ff34177087dc739e2b66a1293653aeb0.elf
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Size
5.1MB
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Sample
241105-c552jssfrf
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MD5
8bd999abd9893c4be18600f481b04ad3
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SHA1
10080f79cd6bed96cb3c35e896443c37460b10bf
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SHA256
3bd7660e77cbac4a9c8e0d85c03fe144ff34177087dc739e2b66a1293653aeb0
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SHA512
81601a5cfa807f87628bc75aa16c7d9a4d052961e33e0423bffd520063fcb399f79ba6594715704e2dc8926989fd1293a5842c8cd08a60f4fed55fb88e519c09
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SSDEEP
98304:8cSBHdgN2a7JP97kJru8cYWPAXqDu+60:8cS03Lu+6
Behavioral task
behavioral1
Sample
3bd7660e77cbac4a9c8e0d85c03fe144ff34177087dc739e2b66a1293653aeb0.elf
Resource
debian9-armhf-20240611-en
Malware Config
Extracted
kaiji
78789.dns.army:7850
Targets
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Target
3bd7660e77cbac4a9c8e0d85c03fe144ff34177087dc739e2b66a1293653aeb0.elf
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Size
5.1MB
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MD5
8bd999abd9893c4be18600f481b04ad3
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SHA1
10080f79cd6bed96cb3c35e896443c37460b10bf
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SHA256
3bd7660e77cbac4a9c8e0d85c03fe144ff34177087dc739e2b66a1293653aeb0
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SHA512
81601a5cfa807f87628bc75aa16c7d9a4d052961e33e0423bffd520063fcb399f79ba6594715704e2dc8926989fd1293a5842c8cd08a60f4fed55fb88e519c09
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SSDEEP
98304:8cSBHdgN2a7JP97kJru8cYWPAXqDu+60:8cS03Lu+6
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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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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
2Boot or Logon Initialization Scripts
1RC Scripts
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
2Boot or Logon Initialization Scripts
1RC Scripts
1Event Triggered Execution
1Unix Shell Configuration Modification
1Hijack Execution Flow
1Path Interception by PATH Environment Variable
1Scheduled Task/Job
1Cron
1