Analysis
- max time kernel
26s - max time network
150s - platform
ubuntu-22.04_amd64 - resource
ubuntu2204-amd64-20250619-en - resource tags
arch:amd64arch:i386image:ubuntu2204-amd64-20250619-enkernel:5.15.0-105-genericlocale:en-usos:ubuntu-22.04-amd64system - submitted
18/07/2025, 05:51
Static task
static1
Behavioral task
behavioral1
Sample
rsyslogd.elf
Resource
ubuntu2204-amd64-20250619-en
5 signatures
150 seconds
General
- Target rsyslogd.elf
- Size 86KB
- Sample250718-gkagcsvrw9
- SHA256 0af9d56370ce7c7403889ca114fcfee2c9d8a74b0741ce4b01077f8c3f52a7df
- MD5 154d5f3bb5c169861b31a3804c1e186a
- SHA1 80b23b0e2272e2f549bcf9a1e8f79f6b4d905aa2
- SHA512 019f7ce83653ec5b7afb85c45345069f89bbf29fddfd84001e5b03d4d3adf47beb25e855d075dbbaa7cc77b3dd0c40c583e73b7651793747dbb5d6009a0e82b9
- SSDEEP 1536:buqziNKywb8047f4tYQmg9/RgaaEVXd4ro9NaENU731ZkNUWcr:bmsywbKT4ijq/RgaP3uLr60
- MD5 SHA1 SHA512 SSDEEP
Score
9/10
Malware Config
Signatures
- Contacts a large (149534) amount of remote hosts 1 TTPs
This may indicate a network scan to discover remotely running services.
- Creates a large amount of network flows 1 TTPs
This may indicate a network scan to discover remotely running services.
- Modifies Watchdog functionality 1 TTPs 2 IoCs
Malware like Mirai modifies the Watchdog to prevent it restarting an infected system.
description ioc File opened for modification /dev/watchdog File opened for modification /dev/misc/watchdog - Writes file to system bin folder 1 IoCs
description ioc File opened for modification /bin/watchdog - Changes its process name 1 IoCs
description ioc pid Changes the process name, possibly in an attempt to hide itself ssh 1568