Analysis
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max time kernel
150s -
max time network
153s -
platform
debian-9_armhf -
resource
debian9-armhf-20240611-en -
resource tags
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submitted
10-10-2024 06:54
General
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Target
na.elf
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Size
99KB
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MD5
38886db10a384a1e73ffabccb9238bf7
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SHA1
a49168056b5983e71284ae1763e4137e7e3833b6
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SHA256
b98deb6e17828b98b27d18577fb8420df7ec9529b88afa470915e9edb1cf731c
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SHA512
85d234be9e8105c8470b991b08c21c1fbf02a86ac2b61a9d75a1b19cf965440f5c9ca7bfb2207bf2da88de00715ab5baed2f408b3f66a67868c46c5e2e95755f
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SSDEEP
1536:pTKgOunFegPVcXmKtrJ5C+NKb3Ox2PUc6zhH:pNL7PKWKhJ5DNKb7P6zh
Malware Config
Signatures
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Contacts a large (57466) 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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Deletes system logs 1 TTPs 2 IoCs
Deletes log file which contains global system messages. Adversaries may delete system logs to minimize their footprint.
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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 3 IoCs
Network traffic to other servers than the configured DNS servers was detected on the DNS port.
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Deletes log files 1 TTPs 4 IoCs
Deletes log files on the system.
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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⤵
- Deletes system logs
- Modifies Watchdog functionality
- Renames itself
- Deletes log files
- Reads process memory
- Changes its process name