Analysis
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max time kernel
151s -
max time network
152s -
platform
debian-9_armhf -
resource
debian9-armhf-20231222-en -
resource tags
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submitted
02/01/2024, 02:25
General
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Target
cta.arm7.elf
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Size
51KB
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MD5
a61a04ea2bbe2d4950a23ae3b5fb5dd0
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SHA1
1bd12b91a94616fec6a03de4a159c2683f0e7289
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SHA256
73e54277221abfde9d86dee8e4b5ede6ace8ab062c13055d360b89c1b63e42f4
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SHA512
0c019b2cddf56a06cb42e9d18143014640b8ff0eab27f5c2933c6e3eeba24f92e08958576c962fcccdab4ac2df1bfacfca13e298e53db9fa477f671a5cedb8c8
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SSDEEP
768:IlR/LfaPe7NrOlUUh9t3yS+XJ3NmiWkYvg1Z9q3UIWGVcX8iv2XYXsfiLblL:IePekXt0XJMiW9vYKWGVjmxL
Malware Config
Extracted
mirai
UNSTABLE
Signatures
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Mirai
Mirai is a prevalent Linux malware infecting exposed network devices.
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Contacts a large (57196) amount of remote hosts 1 TTPs
This may indicate a network scan to discover remotely running services.
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Creates a large amount of network flows 1 TTPs
This may indicate a network scan to discover remotely running services.
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Changes its process name 1 IoCs
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Modifies Watchdog functionality 1 TTPs 2 IoCs
Malware like Mirai modifies the Watchdog to prevent it restarting an infected system.
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Enumerates running processes
Discovers information about currently running processes on the system
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Writes file to system bin folder 1 TTPs 2 IoCs
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Reads runtime system information 31 IoCs
Reads data from /proc virtual filesystem.
Processes
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/tmp/cta.arm7.elf/tmp/cta.arm7.elf1⤵
- Changes its process name
- Reads runtime system information