Analysis

  • max time kernel
    149s
  • max time network
    151s
  • platform
    debian-9_mipsel
  • resource
    debian9-mipsel-20250410-en
  • resource tags

    arch:mipselimage:debian9-mipsel-20250410-enkernel:4.9.0-13-4kc-maltalocale:en-usos:debian-9-mipselsystem
  • submitted
    15/04/2025, 01:30

General

  • Target

    86c37159bd02d916b2fb1fda5236e6914c89ac02828da13f39384f3c74c8d5ed.elf

  • Size

    74KB

  • MD5

    7d09d16a3465e752e731f02057c26cdf

  • SHA1

    fe79144dfef7bc83366b9f4ce9f03ae58d55ff19

  • SHA256

    86c37159bd02d916b2fb1fda5236e6914c89ac02828da13f39384f3c74c8d5ed

  • SHA512

    4bc62e34c53b1a4852fedfed7875ee871afd1776d98e3b48557ecf523a1502bc81e79c05563f33bdb93a94c7fa5c91b295d9709a61c0b389047b1f8c51746e02

  • SSDEEP

    1536:TQVFC6tSiM1dU22UXjxv5y4+YAt7hUE3Jr:T4I6tSiM1bXjLE

Malware Config

Signatures

  • Contacts a large (67471) 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/86c37159bd02d916b2fb1fda5236e6914c89ac02828da13f39384f3c74c8d5ed.elf
    /tmp/86c37159bd02d916b2fb1fda5236e6914c89ac02828da13f39384f3c74c8d5ed.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:708

Network

MITRE ATT&CK Enterprise v16

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