Analysis

  • max time kernel
    145s
  • max time network
    152s
  • platform
    debian-12_armhf
  • resource
    debian12-armhf-20250410-en
  • resource tags

    arch:armhfimage:debian12-armhf-20250410-enkernel:6.1.0-17-armmp-lpaelocale:en-usos:debian-12-armhfsystem
  • submitted
    15/04/2025, 01:52

General

  • Target

    26baa98972ddf0fc8334e33f4e45f63c662ea446c1b610086c4abfbe11c6f3f5.elf

  • Size

    61KB

  • MD5

    a893877424241d0b255b63b9b4b54e82

  • SHA1

    0a941a9fe11a4e113880ac2588d3407fb0a5294a

  • SHA256

    26baa98972ddf0fc8334e33f4e45f63c662ea446c1b610086c4abfbe11c6f3f5

  • SHA512

    21456ee2f0c956879005146d8a4e35112381cb51759954b202b37ae42c7ac6d2cb7ba01e73d7cd8cf4b2578eea982b0dc0d13fdcea539a4c4c4840dc8c1e0c6c

  • SSDEEP

    1536:axniD4d4zZtsmhOFHjmNafnQhG7fEoqqll34iC5dja:J4d4zUmnNUnQhG7fEC05dW

Malware Config

Signatures

  • Contacts a large (15011) amount of remote hosts 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.

  • Creates a large amount of network flows 1 TTPs

    This may indicate a network scan to discover remotely running services.

  • 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 4 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/26baa98972ddf0fc8334e33f4e45f63c662ea446c1b610086c4abfbe11c6f3f5.elf
    /tmp/26baa98972ddf0fc8334e33f4e45f63c662ea446c1b610086c4abfbe11c6f3f5.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:757

Network

MITRE ATT&CK Enterprise v16

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