General

  • Target

    jklmpsl.elf

  • Size

    74KB

  • Sample

    250210-1t1vfszlgl

  • MD5

    e21d64812567d5607c06f765f06b40c2

  • SHA1

    c05d80301c864dbc3b4176406fb2e33870f916ed

  • SHA256

    3132f0d33ba9fc64e8258e2094745f4fe60d4f044b5b8fe0aef5e311d9e0adaf

  • SHA512

    30a3416d773cb0bc0f68a8198e860d31c0c9e860f43338ba4dcb2fc2ccfa254ddf9b390ead160935235db6a7509f1caaea2c8b148743e400591c764ec3e5e9e5

  • SSDEEP

    1536:1a1bQWaJus8f90gHiuEddXUeEQS8AW6zxzNQy0NC:1WUWaJus8fOxdXUeUQ0

Malware Config

Extracted

Family

mirai

Botnet

BOTNET

Targets

    • Target

      jklmpsl.elf

    • Size

      74KB

    • MD5

      e21d64812567d5607c06f765f06b40c2

    • SHA1

      c05d80301c864dbc3b4176406fb2e33870f916ed

    • SHA256

      3132f0d33ba9fc64e8258e2094745f4fe60d4f044b5b8fe0aef5e311d9e0adaf

    • SHA512

      30a3416d773cb0bc0f68a8198e860d31c0c9e860f43338ba4dcb2fc2ccfa254ddf9b390ead160935235db6a7509f1caaea2c8b148743e400591c764ec3e5e9e5

    • SSDEEP

      1536:1a1bQWaJus8f90gHiuEddXUeEQS8AW6zxzNQy0NC:1WUWaJus8fOxdXUeUQ0

    • Contacts a large (149910) 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.

    • Deletes itself

    • 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