Overview

overview

10

Static

static

1

x86_64.elf

ubuntu-18.04-amd64

10

Analysis

  • max time kernel
    149s
  • max time network
    152s
  • 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
    29/09/2026, 05:10

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General

  • Target
    x86_64.elf
  • Size 606KB
  • Sample260929-ftyd4sfa72
  • SHA256 12f328ac40755f6e404d8a793d251021aee307e29db716d49aaa0708fbc0f7f3
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
discoveryexecutionxmrig_linuxminerpersistenceprivilege_escalation

Malware Config

Signatures

  • Family: xmrig

    XMRig is a high performance, open source, cross platform CPU/GPU miner.

    minerxmrig_linux
  • Contacts a large (6418) 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
  • Creates/modifies Cron job 1 TTPs 1 IoCs

    Cron allows running tasks on a schedule, and is commonly used for malware persistence.

    executionpersistenceprivilege_escalation
  • Enumerates active TCP sockets 1 TTPs 1 IoCs

    Gets active TCP sockets from /proc virtual filesystem.

    discovery
  • Enumerates running processes

    Discovers information about currently running processes on the system

  • Modifies init.d 2 TTPs 1 IoCs

    Adds/modifies system service, likely for persistence.

    persistence
  • Modifies rc script 2 TTPs 1 IoCs

    Adding/modifying system rc scripts is a common persistence mechanism.

    persistence
  • Changes its process name 1 IoCs
  • Reads system network configuration 1 TTPs 1 IoCs

    Uses contents of /proc filesystem to enumerate network settings.

    discovery
  • Reads runtime system information 64 IoCs

    Reads data from /proc virtual filesystem.

    discovery
  • Writes file to tmp directory 1 IoCs

    Malware often drops required files in the /tmp directory.

Processes

  • /tmp/x86_64.elf
    /tmp/x86_64.elf
    1⤵
    • Creates/modifies Cron job
    • Enumerates active TCP sockets
    • Modifies init.d
    • Modifies rc script
    • Changes its process name
    • Reads system network configuration
    • Reads runtime system information
    • Writes file to tmp directory
    PID:1485

Network

        MITRE ATT&CK Enterprise v16

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        Downloads

        qv3b
        • Path /etc/cron.d/qv3b
        • Size 24B
        • SHA256 11911c5bde389370c5b47ffbd3d9f600cdbf87eb2514272aadbffae1eabc12b8
        • MD5 SHA1 SHA512
        Submit Download

        qv3b
        • Path /etc/init.d/qv3b
        • Size 57B
        • SHA256 b70c45c5db1a50913f4447ef09811359aac0500e0598871e11156c2146100c93
        • MD5 SHA1 SHA512 TLSH
        Submit Download

        rc.local
        • Path /etc/rc.local
        • Size 14B
        • SHA256 76cd029754834d6468966383c7c495a6bf54188d9b6f823d70443d77bee372e0
        • MD5 SHA1 SHA512
        Submit Download

        .qv3b
        • Path /tmp/.qv3b
        • Size 606KB
        • SHA256 12f328ac40755f6e404d8a793d251021aee307e29db716d49aaa0708fbc0f7f3
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download