General

  • Target
    2a3b30f3e5a7a8d8c001fa2cfa451154a2a98110c6006a8d09178167f2ab138b.elf
  • Size 328KB
  • Sample260925-e6nvrsx14m
  • SHA256 2a3b30f3e5a7a8d8c001fa2cfa451154a2a98110c6006a8d09178167f2ab138b
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Targets

    • Target
      2a3b30f3e5a7a8d8c001fa2cfa451154a2a98110c6006a8d09178167f2ab138b.elf
    • Size 328KB
    • SHA256 2a3b30f3e5a7a8d8c001fa2cfa451154a2a98110c6006a8d09178167f2ab138b
    • MD5 SHA1 SHA512 SSDEEP TLSH
    • Deletes itself

    • Executes dropped EXE

    • Modifies Watchdog functionality

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

    • Enumerates running processes

      Discovers information about currently running processes on the system

    • Modifies systemd

      Adds/ modifies systemd service files. Likely to achieve persistence.

    • Reads MAC address of network interface

      Fetches the MAC address of active network interfaces. May be used to detect known values for hypervisors.

    • Reads hardware information

      Accesses system info like serial numbers, manufacturer names etc.

    • Removes the immutable protection flag from a file

      Uses chattr to remove the immutable flag from a file, allowing previously write-protected files to be modified or deleted.

    • Write file to user bin folder

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

MITRE ATT&CK Enterprise v16

Tasks