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Analysis
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max time kernel
150s -
max time network
151s -
platform
debian-9_mips -
resource
debian9-mipsbe-20231221-en -
resource tags
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submitted
08/01/2024, 03:13
General
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Target
d8dacd3921a016ab597a8ffcf0aaa9496b3aef0c6b8c089511a37ffc34d1518c.elf
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Size
31KB
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MD5
7557f4107ed3ed4e291577fdbf82dea5
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SHA1
cdd7a2d038a0eec2549ae1436ed0773d80a8f4db
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SHA256
d8dacd3921a016ab597a8ffcf0aaa9496b3aef0c6b8c089511a37ffc34d1518c
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SHA512
f09993e9c73c93187e2fc49ad4c2acc53445f2ffee0a6a6e4178272bc287e6764dbfb09b7d835d0ced91a5d65185c0ed861c2666f7b99899f27e0f3706087c3f
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SSDEEP
768:VO1s9gKZjYfvymcPuf3NMGq9oVNDEGCFnuwdl8FJkaVJgGlzDpbuR1JC:Ss5mraoLC/dl8FJxVJuc
Malware Config
Extracted
mirai
MIRAI
Signatures
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Mirai
Mirai is a prevalent Linux malware infecting exposed network devices.
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Contacts a large (70109) 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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Deletes Audit logs 1 TTPs 1 IoCs
Deletes logs related to the Linux Audit framework.
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Deletes itself 1 IoCs
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Deletes system logs 1 TTPs 1 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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Deletes log files 1 TTPs 1 IoCs
Deletes log files on the system.
Processes
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/tmp/d8dacd3921a016ab597a8ffcf0aaa9496b3aef0c6b8c089511a37ffc34d1518c.elf/tmp/d8dacd3921a016ab597a8ffcf0aaa9496b3aef0c6b8c089511a37ffc34d1518c.elf1⤵
- Changes its process name
- Deletes itself
- Modifies Watchdog functionality