Analysis

  • max time kernel
    149s
  • max time network
    151s
  • platform
    ubuntu-22.04_amd64
  • resource
    ubuntu2204-amd64-20240522.1-en
  • resource tags

    arch:amd64arch:i386image:ubuntu2204-amd64-20240522.1-enkernel:5.15.0-105-genericlocale:en-usos:ubuntu-22.04-amd64system
  • submitted
    01-08-2024 08:37

General

  • Target

    sora.x86.elf

  • Size

    27KB

  • MD5

    3abbcc42afc40752f2c941ba5cf79031

  • SHA1

    f33d462fc4a753bad19669fe7f28f973e439b6c3

  • SHA256

    55f9c9b09475079a0a537549343e9f833ab98f12befe2a819170bd267221d0b2

  • SHA512

    279ff916c83be4ee3877fbfb9d2e7461f55233ca9f199ef51e27b5fb9d5c44bbd75e48372981945973365264e4198a57fcfca3fcbdb39f555b7bfd212f018c4e

  • SSDEEP

    384:Msy9WXUx5+bkbRaliVErjrL9VD9jPwrSaf5bwIB5/8x2BYFydHY0sNDZvzbSNHcz:w5+Kcrb9VDJef5Q2PdHuzb8HoEPbeSN8

Malware Config

Extracted

Family

mirai

Botnet

SORA

Signatures

  • Mirai

    Mirai is a prevalent Linux malware infecting exposed network devices.

  • Contacts a large (76548) 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.

  • Enumerates active TCP sockets 1 TTPs 1 IoCs

    Gets active TCP sockets from /proc virtual filesystem.

  • Enumerates running processes

    Discovers information about currently running processes on the system

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

    Uses contents of /proc filesystem to enumerate network settings.

  • Reads runtime system information 64 IoCs

    Reads data from /proc virtual filesystem.

Processes

  • /tmp/sora.x86.elf
    /tmp/sora.x86.elf
    1⤵
    • Modifies Watchdog functionality
    • Enumerates active TCP sockets
    • Changes its process name
    • Reads system network configuration
    • Reads runtime system information
    PID:1558

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • memory/1558-1-0x0000000008048000-0x0000000008057e80-memory.dmp