Analysis

  • max time kernel
    149s
  • max time network
    153s
  • platform
    debian-12_armhf
  • resource
    debian12-armhf-20240418-en
  • resource tags

    arch:armhfimage:debian12-armhf-20240418-enkernel:6.1.0-17-armmp-lpaelocale:en-usos:debian-12-armhfsystem
  • submitted
    10-10-2024 06:53

General

  • Target

    na.elf

  • Size

    61KB

  • MD5

    d155adcf6e6e692f242351fb6b71e7fb

  • SHA1

    f0b5333c7c76d2837c5389e9854c3432f11ae589

  • SHA256

    d4a6b428adbbee7ef528dd595fe44bd448e07c67bf201aaa771f5343104c3621

  • SHA512

    d8a6e657e2d8177193818eae54c18d1d710876b85caadcd3f54585db150549b13482b1bc283499aa2767615479202ab91a2661bff5cb0d5e5aabcc2e5abbdee2

  • SSDEEP

    1536:nEng1PtXEtN8zHZJ3ELUdcQ4E12N5nDoEigvFUm1R:3FtXEtwJRd1xEvFUm1R

Malware Config

Signatures

  • 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 6 IoCs

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

  • Reads process memory 1 TTPs 13 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 runtime system information 51 IoCs

    Reads data from /proc virtual filesystem.

Processes

  • /tmp/na.elf
    /tmp/na.elf
    1⤵
    • Modifies Watchdog functionality
    • Renames itself
    • Reads process memory
    • Changes its process name
    • Reads runtime system information
    PID:703

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads