Analysis
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max time kernel
149s -
max time network
150s -
platform
debian-9_armhf -
resource
debian9-armhf-20240226-en -
resource tags
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submitted
23-04-2024 10:51
General
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Target
sora.arm.elf
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Size
31KB
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MD5
a5cad4481a17e94cc218010857554435
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SHA1
9a7a6bd0ca4e5a426cdce046ffce363d5c11ff42
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SHA256
bed099cdf50214613f89144e00edb807760b44dad3cd3641ff0374c490eeebd3
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SHA512
8bdceec0c7ae3c9a17c9967a5bf9f7ceb944b9cd0afb330715d0b57a5a6c4f2e4e4e387a019d1b4522be325bc14e8ce020023ea52046666c93a39ddc0a83273f
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SSDEEP
384:uSBehsL5wFgC4Urp3VvZhUzaAfVGbrc2/pkTNW7CQRkPgosmkyCizUs1Hk8hymdR:Fkh3G0p3VhUHqvKT4Fc9pi8s3UozRK
Malware Config
Extracted
mirai
SORA
Signatures
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Mirai
Mirai is a prevalent Linux malware infecting exposed network devices.
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Contacts a large (171459) 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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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 active TCP sockets 1 TTPs 1 IoCs
Gets active TCP sockets from /proc virtual filesystem.
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Changes its process name 1 IoCs
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Reads system network configuration 1 TTPs 1 IoCs
Uses contents of /proc filesystem to enumerate network settings.
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Reads runtime system information 16 IoCs
Reads data from /proc virtual filesystem.
Processes
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/tmp/sora.arm.elf/tmp/sora.arm.elf1⤵
- Modifies Watchdog functionality
- Enumerates active TCP sockets
- Changes its process name
- Reads system network configuration
- Reads runtime system information