Analysis
- max time kernel
149s - max time network
130s - platform
ubuntu-18.04_amd64 - resource
ubuntu1804-amd64-20260513-en - resource tags
arch:amd64arch:i386image:ubuntu1804-amd64-20260513-enkernel:4.15.0-213-genericlocale:en-usos:ubuntu-18.04-amd64system - submitted
05/10/2026, 16:48
Behavioral task
behavioral1
Sample
x86.elf
Resource
ubuntu1804-amd64-20260513-en
7 signatures
150 seconds
General
- Target x86.elf
- Size 71KB
- Sample261005-va915aaa87
- SHA256 92129c63acfb139afcd10d43d29287e1da7fae14ac490b77a876ceb4bb483da0
- MD5 b69cfec1bd7e2b473556d57246456184
- SHA1 9818fcb45abd50613a5a985d251a25152bff6889
- SHA512 d5fd6be327d0452d0bb56100fe1f1280b65bdca3f1b1d8464ae031c7d48c7e07e3fa8c36f5235ee846872032ccbd379592cbef2919a2cbb0da06c35419793bd9
- SSDEEP 1536:MlhENkkYt6oNwHJqD+yfupGWaSSNl1DBsBLjhGXQnLG2V20nouy8GyaK:MYNkoHaT2pGsSL1DBsBj0AnLYEoutj
- TLSH T18A6312519AEC96119D8FA231649F3904A9F0F60D234E0BBB5BC802A7CBD5B5C720D76B
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Extracted
Family
-
mirai
Botnet
-
LZRD
Signatures
- 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 x86.elf File opened for modification /dev/misc/watchdog x86.elf - Enumerates active TCP sockets 1 TTPs 1 IoCs
Gets active TCP sockets from /proc virtual filesystem.
description ioc Process File opened for reading /proc/net/tcp x86.elf - Writes file to system bin folder 2 IoCs
description ioc Process File opened for modification /sbin/watchdog x86.elf File opened for modification /bin/watchdog x86.elf - 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.
description ioc Process File opened for reading /proc/971/maps x86.elf - Reads system network configuration 1 TTPs 1 IoCs
Uses contents of /proc filesystem to enumerate network settings.
description ioc Process File opened for reading /proc/net/tcp x86.elf -
description ioc Process File opened for reading /proc/971/cmdline x86.elf File opened for reading /proc/971/environ x86.elf