General

  • Target

    la.bot.mipsel.elf

  • Size

    101KB

  • Sample

    241123-jcykbs1may

  • MD5

    397bd70e20b4d374913847ef34435cdb

  • SHA1

    99365451a3d8fe7c9fe0343c424a92983d90d0ab

  • SHA256

    ca45ac7cf1cf30976c20266510359f32b168451dc3858b11142cf44e421ba038

  • SHA512

    520fe3f97f9d10a1daa6774f695be50acdf1f8ca7ea21ca0b84be59af1087f5765ef0f1824817bc22e8dc12857b56d74df51c6ea2749906eecacc2e869686eba

  • SSDEEP

    3072:VqOeJxttCD5HGWZv7UaJMJa5uzMuFI+bqnD:cOeJxttCD5HGWZjUau4uzPFI+b

Malware Config

Targets

    • Target

      la.bot.mipsel.elf

    • Size

      101KB

    • MD5

      397bd70e20b4d374913847ef34435cdb

    • SHA1

      99365451a3d8fe7c9fe0343c424a92983d90d0ab

    • SHA256

      ca45ac7cf1cf30976c20266510359f32b168451dc3858b11142cf44e421ba038

    • SHA512

      520fe3f97f9d10a1daa6774f695be50acdf1f8ca7ea21ca0b84be59af1087f5765ef0f1824817bc22e8dc12857b56d74df51c6ea2749906eecacc2e869686eba

    • SSDEEP

      3072:VqOeJxttCD5HGWZv7UaJMJa5uzMuFI+bqnD:cOeJxttCD5HGWZjUau4uzPFI+b

    • Contacts a large (29438) 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 system logs

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

    • 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.

    • Deletes log files

      Deletes log files on the system.

    • 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