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Analysis

  • max time kernel
    148s
  • max time network
    150s
  • platform
    debian-9_armhf
  • resource
    debian9-armhf-20240729-en
  • resource tags

    arch:armhfimage:debian9-armhf-20240729-enkernel:4.9.0-13-armmp-lpaelocale:en-usos:debian-9-armhfsystem
  • submitted
    02/02/2025, 04:23

General

  • Target

    63bf2e90614519bad84ea70b1aa2d60c4f2ccd6d03c23e525cfe3a59d0f23296.elf

  • Size

    54KB

  • MD5

    7bff58bb7ba2c821e805b300040cd2dc

  • SHA1

    fb93d00f71d3ea2ef4b45555840590cfa068c932

  • SHA256

    63bf2e90614519bad84ea70b1aa2d60c4f2ccd6d03c23e525cfe3a59d0f23296

  • SHA512

    ae5ac16e3540fd44c614638ce7ca4d0d6f35bb47296901f5d3409af18ecc647afa08d4b0611951558c76732c7d17ea9ea77d0aa2af9e860b34f2ec374df3a63d

  • SSDEEP

    1536:/AzCqX/QRDIpqvvARxBnst5XxJXQVza4y:/AzCqrqHCqbXxNQVO4y

Malware Config

Signatures

  • Contacts a large (44678) 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.

  • Deletes itself 1 IoCs
  • 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/63bf2e90614519bad84ea70b1aa2d60c4f2ccd6d03c23e525cfe3a59d0f23296.elf
    /tmp/63bf2e90614519bad84ea70b1aa2d60c4f2ccd6d03c23e525cfe3a59d0f23296.elf
    1⤵
    • Deletes itself
    • 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:646

Network

MITRE ATT&CK Enterprise v15

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