Analysis
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max time kernel
96s -
max time network
155s -
platform
debian-9_mips -
resource
debian9-mipsbe-20240611-en -
resource tags
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submitted
10-10-2024 09:37
General
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Target
na.elf
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Size
128KB
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MD5
290383303138aea71ac2b83b6159d74f
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SHA1
f99e8ffb60453f18bd73420cd9245dc992dc5a95
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SHA256
633e91ee81f179f2edf893162141050e1ce45ff2e56811692657d791d75c1a32
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SHA512
fd45c761fe65c18d149841b3b4651a88fe0611b3f72f3ee6f4eb7346b078ef540777bbd9928d9a0e93912c540d4462b45d89c8db219936d27638db53f517b840
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SSDEEP
1536:Efcw0/a5aKgBBu+q7jUwdhNf+mzbz47XCtlyevzpmOz53NI:El5ABB+7jUYS0bzqStrpmiI
Malware Config
Signatures
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Contacts a large (42352) 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 1 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 2 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