Analysis
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max time kernel
151s -
max time network
153s -
platform
ubuntu-18.04_amd64 -
resource
ubuntu1804-amd64-20231222-en -
resource tags
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submitted
12-02-2024 18:12
General
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Target
abf9f5efe15ff1bb22cd306b4f754a3d.elf
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Size
32KB
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MD5
abf9f5efe15ff1bb22cd306b4f754a3d
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SHA1
08d1b90ac0a7e19150d6d17d2caca549e9a2dffe
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SHA256
c27b64277c3d14b4c78f42ca9ee2438b602416f988f06cb1a3e026eab2425ffc
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SHA512
8020bff874de1b64b85318b4711c5285c0c8e426ef3489088175f4651dfe7ce23515e2d2b34ea3035f73c6b8ea2d8054dadcc03bfeab79ec8eecf7ab070a3255
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SSDEEP
768:SWlNj94KDdKjZkfd8FlW94QsY/tHL/cuo9wxhDU3YebfFdmD70K:P3gFkfd8b04pqF4uS3bnIp
Malware Config
Signatures
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Mirai
Mirai is a prevalent Linux malware infecting exposed network devices.
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Contacts a large (63969) 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 journal logs 1 TTPs 1 IoCs
Deletes systemd journal logs. Likely to evade detection.
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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.
Processes
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/tmp/abf9f5efe15ff1bb22cd306b4f754a3d.elf/tmp/abf9f5efe15ff1bb22cd306b4f754a3d.elf1⤵
- Changes its process name
- Deletes itself
- Modifies Watchdog functionality