Analysis

  • max time kernel
    152s
  • max time network
    155s
  • platform
    ubuntu-18.04_amd64
  • resource
    ubuntu1804-amd64-20231026-en
  • resource tags

    arch:amd64arch:i386image:ubuntu1804-amd64-20231026-enkernel:4.15.0-213-genericlocale:en-usos:ubuntu-18.04-amd64system
  • submitted
    30-10-2023 01:53

General

  • Target

    597a9f6fb791f728d4b26f9c7ae77c81dd416c53ed3179d95cbfbae23e6bfd3e.elf

  • Size

    82KB

  • MD5

    9240226b82e40349d85146e67fd30094

  • SHA1

    3b2cdef96cd3096caf3f81b7db0962e244724a7e

  • SHA256

    597a9f6fb791f728d4b26f9c7ae77c81dd416c53ed3179d95cbfbae23e6bfd3e

  • SHA512

    6720f962fd65b3242242ee23d16c4ea5133c539e454e97213035bca6411ef22cfb3afa7da57f99e8fa730c20ea44b8c3744f32a008f4032cc5f8d8b1170c1812

  • SSDEEP

    1536:+zeLJsGwYY3+4vrRdQGCO66/9n+B7fBC1Nb3FPjFv:+zU+nWuRdoZ6/9u7fc1Nb3xFv

Score
9/10

Malware Config

Signatures

  • Contacts a large (144314) 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.

  • Changes its process name 1 IoCs
  • Deletes Audit logs 1 TTPs 1 IoCs

    Deletes logs related to the Linux Audit framework.

  • Deletes itself 1 IoCs
  • Deletes journal logs 1 TTPs 1 IoCs

    Deletes systemd journal logs. Likely to evade detection.

  • Deletes system logs 1 TTPs 1 IoCs

    Deletes log file which contains global system messages. Adversaries may delete system logs to minimize their footprint.

  • Modifies Watchdog functionality 1 TTPs 2 IoCs

    Malware like Mirai modifies the Watchdog to prevent it restarting an infected system.

  • Unexpected DNS network traffic destination 64 IoCs

    Network traffic to other servers than the configured DNS servers was detected on the DNS port.

Processes

  • /tmp/597a9f6fb791f728d4b26f9c7ae77c81dd416c53ed3179d95cbfbae23e6bfd3e.elf
    /tmp/597a9f6fb791f728d4b26f9c7ae77c81dd416c53ed3179d95cbfbae23e6bfd3e.elf
    1⤵
    • Changes its process name
    • Deletes itself
    • Modifies Watchdog functionality
    PID:1535

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads