Analysis
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max time kernel
111s -
max time network
140s -
platform
debian-9_mipsel -
resource
debian9-mipsel-20240729-en -
resource tags
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submitted
10-10-2024 06:53
General
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Target
na.elf
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Size
70KB
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MD5
0bbfac65b706281404dc418e548e552a
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SHA1
a951aeda826d01cf2571f4ec2b1992cce76edc27
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SHA256
4fda35ed2d413b0d54f5f25b8bf9df56756ffc000eab4fcf7fc1894638f681db
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SHA512
a87eb0bca11548af7a211cf1d660ad48e3f3717cbb3659b171305626476e62e663d88daed30a0c56ccc381caa271aecfe3dbb4755b93ffd4a7a27537db0e2884
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SSDEEP
1536:+VjRvmd7qol1juyRDhC23Q/tnkqV3Zs43NVY:+/ed7qoldj0tnkqV39Y
Score
9/10
Malware Config
Signatures
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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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Renames itself 1 IoCs
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Unexpected DNS network traffic destination 8 IoCs
Network traffic to other servers than the configured DNS servers was detected on the DNS port.
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Reads process memory 1 TTPs 1 IoCs
Read the memory of a process through the /proc virtual filesystem. This can be used to steal credentials.
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Changes its process name 1 IoCs
Processes
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/tmp/na.elf/tmp/na.elf1⤵
- Modifies Watchdog functionality
- Renames itself
- Reads process memory
- Changes its process name