General

  • Target

    arm5.elf

  • Size

    81KB

  • Sample

    250101-v9en9sxrcl

  • MD5

    8114773b3827da1450fa61dda0679c8b

  • SHA1

    db663b5e80ce27edbb3d06b81bca78b45cc5b1dc

  • SHA256

    b6720048ed8dc114296bb3007adca57f649247dddadde777b00019aaadd1d360

  • SHA512

    c7c86749ad2c4395ba5d9156fe271d6522406245fba31f3febc57b451cdc70ba070b7652bf753c534c0d51b8c1460bff9cca4ea93023521a3f1957280bd71aa8

  • SSDEEP

    1536:ih+1IWRBh2N3+SDY/uFMPpa/C4fNXAVBhhl8Xx4UngTBgl:ih+ba0dBa/CaVAVbhlCOTSl

Malware Config

Extracted

Family

mirai

Botnet

MIRAI

Targets

    • Target

      arm5.elf

    • Size

      81KB

    • MD5

      8114773b3827da1450fa61dda0679c8b

    • SHA1

      db663b5e80ce27edbb3d06b81bca78b45cc5b1dc

    • SHA256

      b6720048ed8dc114296bb3007adca57f649247dddadde777b00019aaadd1d360

    • SHA512

      c7c86749ad2c4395ba5d9156fe271d6522406245fba31f3febc57b451cdc70ba070b7652bf753c534c0d51b8c1460bff9cca4ea93023521a3f1957280bd71aa8

    • SSDEEP

      1536:ih+1IWRBh2N3+SDY/uFMPpa/C4fNXAVBhhl8Xx4UngTBgl:ih+ba0dBa/CaVAVbhlCOTSl

    • Deletes Audit logs

      Deletes logs related to the Linux Audit framework.

    • Deletes itself

    • 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.

    • Deletes log files

      Deletes log files on the system.

    • Enumerates running processes

      Discovers information about currently running processes on the system

    • Modifies systemd

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

MITRE ATT&CK Enterprise v15

Tasks