Overview

overview

9

Static

static

1

x86.elf

ubuntu-18.04-amd64

9

Analysis

  • max time kernel
    145s
  • max time network
    150s
  • platform
    ubuntu-18.04_amd64
  • resource
    ubuntu1804-amd64-20260126-en
  • resource tags

    arch:amd64arch:i386image:ubuntu1804-amd64-20260126-enkernel:4.15.0-213-genericlocale:en-usos:ubuntu-18.04-amd64system
  • submitted
    27/01/2026, 11:38

Sharing

Copy URL Twitter E-mail
Report Analysis Logs

General

  • Target
    x86.elf
  • Size 81KB
  • Sample260127-nry7mact7d
  • SHA256 45203f7da056c3a55ebef72780b57e70bbc3b90cb32aed2be3adc3cffcc9e8be
  • MD5 SHA1 SHA512 SSDEEP
Score
9/10
discovery

Malware Config

Signatures

  • Contacts a large (115182) amount of remote hosts 1 TTPs

    This may indicate a network scan to discover remotely running services.

    discovery
  • Creates a large amount of network flows 1 TTPs

    This may indicate a network scan to discover remotely running services.

    discovery
  • Deletes itself 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Enumerates running processes

    Discovers information about currently running processes on the system

  • Reads runtime system information 64 IoCs

    Reads data from /proc virtual filesystem.

    discovery
  • Writes file to shm directory 2 IoCs

    Malware can drop malicious files in the shm directory which will run directly from RAM.

Processes

  • /tmp/x86.elf
    /tmp/x86.elf
    1⤵
    • Deletes itself
    • Executes dropped EXE
    • Reads runtime system information
    • Writes file to shm directory
    PID:1530
  • /dev/shm/.rsyslogd
    /usr/sbin/rsyslogd
    1⤵
    • Reads runtime system information
    PID:1530

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        .rsyslogd
        • Path /dev/shm/.rsyslogd
        • Size 81KB
        • SHA256 45203f7da056c3a55ebef72780b57e70bbc3b90cb32aed2be3adc3cffcc9e8be
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        .test_exec_1530
        • Path /dev/shm/.test_exec_1530
        • Size 4B
        • SHA256 9f86d081884c7d659a2feaa0c55ad015a3bf4f1b2b0b822cd15d6c15b0f00a08
        • MD5 SHA1 SHA512
        Submit Download