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Analysis

  • max time kernel
    65s
  • max time network
    155s
  • 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
    07/03/2025, 03:29

General

  • Target

    270336c1d58b1ffaa8ebba18d47d73c2451fa149194f37cc44e980ac96cf1443.elf

  • Size

    55KB

  • MD5

    6808c976ae3e0456efb6e6fc4e1a8423

  • SHA1

    d9b7a61a16aa0e2875b04ff7eac22e72fc15a24e

  • SHA256

    270336c1d58b1ffaa8ebba18d47d73c2451fa149194f37cc44e980ac96cf1443

  • SHA512

    8b890a0f2d216b8041577412b2d7d4f9524caf0d185f45d48ce7df781fce05e0148e3f767dfc6bb76931a9237e6a26b80decae63a7685760727a8b9716855917

  • SSDEEP

    1536:llSu/lC0mny49rgfcya5F+tt5zTM4cPVSh:llSuEUraCtbvfcPVg

Malware Config

Signatures

  • Contacts a large (162424) 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 64 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.

  • Reads runtime system information 64 IoCs

    Reads data from /proc virtual filesystem.

Processes

  • /tmp/270336c1d58b1ffaa8ebba18d47d73c2451fa149194f37cc44e980ac96cf1443.elf
    /tmp/270336c1d58b1ffaa8ebba18d47d73c2451fa149194f37cc44e980ac96cf1443.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:647

Network

MITRE ATT&CK Enterprise v15

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