Analysis
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max time kernel
87s -
max time network
153s -
platform
ubuntu-18.04_amd64 -
resource
ubuntu1804-amd64-20231221-en -
resource tags
arch:amd64arch:i386image:ubuntu1804-amd64-20231221-enkernel:4.15.0-213-genericlocale:en-usos:ubuntu-18.04-amd64system -
submitted
13/02/2024, 05:23
General
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Target
cf1b85d4812f7ee052666276a184b481368f0c0c7a43e6d5df903535f466c5fd.elf
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Size
33KB
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MD5
1fa25a704d6be67b041b62c02dd2b9f7
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SHA1
ee840fe5aaf7a32eebb972ef043ada01ed586da1
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SHA256
cf1b85d4812f7ee052666276a184b481368f0c0c7a43e6d5df903535f466c5fd
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SHA512
57634cff1fc944341e97deebca79e6cf36f09578a987aa16b5d87a4feb9f19317269651f74d001d220aacebc940aade7a4c16e1cb0c6f29f945bd382d10b4c3a
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SSDEEP
768:DkT3a5lElCF5CIpadEKUrJqxsk3JS2aEcCYeAAy3t3dGbpBcsX:4T30ElCPvp/7EkeLYtNwBX
Malware Config
Extracted
mirai
MIRAI
Signatures
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Contacts a large (73299) 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
description ioc pid Process Changes the process name, possibly in an attempt to hide itself fwsg7ibdhueg8om5ww2l 1558 cf1b85d4812f7ee052666276a184b481368f0c0c7a43e6d5df903535f466c5fd.elf -
description ioc File deleted /var/log/audit/audit.log -
Deletes itself 1 IoCs
pid Process 1558 cf1b85d4812f7ee052666276a184b481368f0c0c7a43e6d5df903535f466c5fd.elf -
description ioc File deleted /var/log/journal/11c67417355f45d397f6be11f62e85a6/system.journal -
Deletes system logs 1 TTPs 1 IoCs
Deletes log file which contains global system messages. Adversaries may delete system logs to minimize their footprint.
description ioc File deleted /var/log/syslog -
Modifies Watchdog functionality 1 TTPs 2 IoCs
Malware like Mirai modifies the Watchdog to prevent it restarting an infected system.
description ioc Process File opened for modification /dev/watchdog cf1b85d4812f7ee052666276a184b481368f0c0c7a43e6d5df903535f466c5fd.elf File opened for modification /dev/misc/watchdog cf1b85d4812f7ee052666276a184b481368f0c0c7a43e6d5df903535f466c5fd.elf