Analysis

  • max time kernel
    149s
  • max time network
    152s
  • platform
    ubuntu-22.04_amd64
  • resource
    ubuntu2204-amd64-20240729-en
  • resource tags

    arch:amd64arch:i386image:ubuntu2204-amd64-20240729-enkernel:5.15.0-105-genericlocale:en-usos:ubuntu-22.04-amd64system
  • submitted
    14-11-2024 14:42

General

  • Target

    x86.elf

  • Size

    70KB

  • MD5

    530a5304e7256d256700b548616850a1

  • SHA1

    1df0d3cc1e88338412b289873d6918410bbc37f7

  • SHA256

    38f87bfc7e5574b31afd056fcfdea9716165ddfbb9d533e996dbf24dbc998862

  • SHA512

    99fad4f4d228598a3ce122228b8433ec4bb7922f82cd89e99cda9d52fcead2c68166e2acc6381e892e9f47286d06e8c45fccf9fa46fc04c2e61d1d1c35631942

  • SSDEEP

    1536:XVdKDYm7awu+ziiv3JWcrIdwIrgmysekB:XVdKDYm7jFiivBMdwtmV

Malware Config

Signatures

  • Contacts a large (36879) 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.

  • Renames itself 1 IoCs
  • Unexpected DNS network traffic destination 1 IoCs

    Network traffic to other servers than the configured DNS servers was detected on the DNS port.

  • 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

  • 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.

  • Changes its process name 13 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/x86.elf
    /tmp/x86.elf
    1⤵
    • Modifies Watchdog functionality
    • Renames itself
    • Enumerates active TCP sockets
    • Reads process memory
    • Changes its process name
    • Reads system network configuration
    • Reads runtime system information
    PID:1565

Network

MITRE ATT&CK Enterprise v15

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