General

  • Target

    bd8c65affa470f7065db06be0a623574.elf

  • Size

    5.1MB

  • Sample

    230322-j555wahf5w

  • MD5

    bd8c65affa470f7065db06be0a623574

  • SHA1

    1117971925758354e4dc29d8ad2a381258c88a41

  • SHA256

    850bba518a88aa16d6cd99e47ca5c090cb03db132ea735e3b08e85b6a57ce315

  • SHA512

    66edcc2f08537897bee8328b3c4eafa5e13b6eaff77481a5089026c58064424df568331b36f9288d16bacf90bafcc72cb059059531c87e7651bfaffc889b6469

  • SSDEEP

    24576:f0hITSaxCsmLTRScFkLwYgib6kEVtQ2gLApZf3vrTXKWXDReUHxeR7j81v9oT19b:GsLSjzCX1H9qzaiKRFjhIlkK1VI1V

Score
9/10

Malware Config

Targets

    • Target

      bd8c65affa470f7065db06be0a623574.elf

    • Size

      5.1MB

    • MD5

      bd8c65affa470f7065db06be0a623574

    • SHA1

      1117971925758354e4dc29d8ad2a381258c88a41

    • SHA256

      850bba518a88aa16d6cd99e47ca5c090cb03db132ea735e3b08e85b6a57ce315

    • SHA512

      66edcc2f08537897bee8328b3c4eafa5e13b6eaff77481a5089026c58064424df568331b36f9288d16bacf90bafcc72cb059059531c87e7651bfaffc889b6469

    • SSDEEP

      24576:f0hITSaxCsmLTRScFkLwYgib6kEVtQ2gLApZf3vrTXKWXDReUHxeR7j81v9oT19b:GsLSjzCX1H9qzaiKRFjhIlkK1VI1V

    Score
    9/10
    • Modifies the Watchdog daemon

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

    • Modifies hosts file

      Adds to hosts file used for mapping hosts to IP addresses.

    • Writes DNS configuration

      Writes data to DNS resolver config file.

    • Creates/modifies Cron job

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

    • Modifies Bash startup script

    • Modifies init.d

      Adds/modifies system service, likely for persistence.

    • Write file to user bin folder

    • Enumerates kernel/hardware configuration

      Reads contents of /sys virtual filesystem to enumerate system information.

    • Reads runtime system information

      Reads data from /proc virtual filesystem.

    • Writes file to tmp directory

      Malware often drops required files in the /tmp directory.

MITRE ATT&CK Enterprise v6

Tasks