General

  • Target
    x86_32.uhavenobotsxd.elf
  • Size 85KB
  • Sample251222-b7pxnsel21
  • SHA256 99c3e31628d4c1e5ffc94be945d4aaa0a4a0577565f6578dc7f4db8d10e9dfca
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Targets

    • Target
      x86_32.uhavenobotsxd.elf
    • Size 85KB
    • SHA256 99c3e31628d4c1e5ffc94be945d4aaa0a4a0577565f6578dc7f4db8d10e9dfca
    • MD5 SHA1 SHA512 SSDEEP
    • Executes dropped EXE

    • Unexpected DNS network traffic destination

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

    • Creates/modifies Cron job

      Cron allows running tasks on a schedule, and is commonly used for malware persistence.

    • Creates/modifies environment variables

      Creating/modifying environment variables is a common persistence mechanism.

    • Deletes log files

      Deletes log files on the system.

    • Enumerates running processes

      Discovers information about currently running processes on the system

    • Modifies init.d

      Adds/modifies system service, likely for persistence.

    • Modifies rc script

      Adding/modifying system rc scripts is a common persistence mechanism.

    • Write file to user bin folder

    • Modifies Bash startup script

MITRE ATT&CK Enterprise v16

Tasks