General

  • Target

    arm.elf

  • Size

    56KB

  • Sample

    250310-a6m61swzfy

  • MD5

    cd0836bb76c0bd568a099e72ef83ffb3

  • SHA1

    5fd9da67c4a9bb21198ea620fbd8c88107f74af5

  • SHA256

    06cd477d71445530f3bb6ec717e553569719b20cdaac7243640a275f051af2d8

  • SHA512

    6efa322583111263f0b6a40e0d38fcf48f137b09cf0a6b46a3135a3ab285f9a14a8f45142b9f7182e80d9bb9b5af31df4106a89eae69d73fc21c45716608955c

  • SSDEEP

    1536:5Jh1jn5pDwijQ4bX4Hya5FMt5GljEi7sjVqXM:5Jh1TgsISagbGCKsjVWM

Malware Config

Extracted

Family

mirai

Botnet

BOTNET

Targets

    • Target

      arm.elf

    • Size

      56KB

    • MD5

      cd0836bb76c0bd568a099e72ef83ffb3

    • SHA1

      5fd9da67c4a9bb21198ea620fbd8c88107f74af5

    • SHA256

      06cd477d71445530f3bb6ec717e553569719b20cdaac7243640a275f051af2d8

    • SHA512

      6efa322583111263f0b6a40e0d38fcf48f137b09cf0a6b46a3135a3ab285f9a14a8f45142b9f7182e80d9bb9b5af31df4106a89eae69d73fc21c45716608955c

    • SSDEEP

      1536:5Jh1jn5pDwijQ4bX4Hya5FMt5GljEi7sjVqXM:5Jh1TgsISagbGCKsjVWM

    • Contacts a large (162426) amount of remote hosts

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

    • Creates a large amount of network flows

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

    • Modifies Watchdog functionality

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

    • Renames itself

    • Unexpected DNS network traffic destination

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

    • Enumerates active TCP sockets

      Gets active TCP sockets from /proc virtual filesystem.

    • Enumerates running processes

      Discovers information about currently running processes on the system

    • Reads process memory

      Read the memory of a process through the /proc virtual filesystem. This can be used to steal credentials.

MITRE ATT&CK Enterprise v15

Tasks