Analysis

  • max time kernel
    149s
  • max time network
    160s
  • platform
    debian-9_armhf
  • resource
    debian9-armhf-20240611-en
  • resource tags

    arch:armhfimage:debian9-armhf-20240611-enkernel:4.9.0-13-armmp-lpaelocale:en-usos:debian-9-armhfsystem
  • submitted
    12-10-2024 15:12

General

  • Target

    3D052_na.elf

  • Size

    70KB

  • MD5

    449430eed37f69ffa189c60b5a204810

  • SHA1

    b449c6d82815ccf637aed01a4a2c30201c062c20

  • SHA256

    325bad1ab79f5dbde58ae8eda5b38bd81ebfe8289b2dc9ba86c6c5a65bc4677e

  • SHA512

    204fd6c3633d0ef19319eaa37d7f6e7670780b0e692a5802ab1f73a3043f887e8c0daa7b66655b806b893fb4c9674f1110d07cc583aefb051cb51186f494f890

  • SSDEEP

    1536:/WloK05nJ7xkC0ztNrB28kBEWwq04HVW84lx1RVvH:/WNY7635qxEfXAVWp3dH

Malware Config

Signatures

  • Contacts a large (82307) 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

  • Reads process memory 1 TTPs 44 IoCs

    Read the memory of a process through the /proc virtual filesystem. This can be used to steal credentials.

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

    Uses contents of /proc filesystem to enumerate network settings.

Processes

  • /tmp/3D052_na.elf
    /tmp/3D052_na.elf
    1⤵
    • Modifies Watchdog functionality
    • Enumerates active TCP sockets
    • Reads process memory
    • Changes its process name
    • Reads system network configuration
    PID:669

Network

MITRE ATT&CK Enterprise v15

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