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Analysis

  • max time kernel
    124s
  • max time network
    161s
  • 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
    11/03/2025, 03:14

General

  • Target

    55bb1f8005d2fa8d651b660d4244c862511ad4a087fc11e9f431bd46133a9557.elf

  • Size

    56KB

  • MD5

    83d821d592c4fad0de123fe807449a24

  • SHA1

    eb86a7be50032cd170f62bc4198dad8c28810276

  • SHA256

    55bb1f8005d2fa8d651b660d4244c862511ad4a087fc11e9f431bd46133a9557

  • SHA512

    aa0355643aff2acf5c7cb0e463147c841c50ba4f4aeac9cc36f9731936dc80a31b7f74e3291d7f42c0a5ad505926a5c5216b8e04ae2c25d2d890558152089ce9

  • SSDEEP

    1536:wNdu8t7tF7DaWr55qpQ1ya5Fet5GXsEoPO9VQ4uW:wNduYF7IyQaKbGP0O9VzuW

Malware Config

Signatures

  • Contacts a large (158497) 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/55bb1f8005d2fa8d651b660d4244c862511ad4a087fc11e9f431bd46133a9557.elf
    /tmp/55bb1f8005d2fa8d651b660d4244c862511ad4a087fc11e9f431bd46133a9557.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:660

Network

MITRE ATT&CK Enterprise v15

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