General

  • Target

    630a21057c70a10fcf1162846d05e245.elf

  • Size

    1.9MB

  • Sample

    230317-w213zabe5y

  • MD5

    630a21057c70a10fcf1162846d05e245

  • SHA1

    4644672a3b834ba7674c9528757c415eccc1ac27

  • SHA256

    29988f877c82dbe27b9322f462af2a742e90073a262a57eaa37d6bed4f310d0a

  • SHA512

    36d5cddaa10850bf18cf7704d0a845addd2677f68a7cb68e1b5cc8cf8d29bd717344cae70c3b03c41419afb87e8dd395b1a94d3730965ef1d1c67a69bec21dfd

  • SSDEEP

    49152:XXPVKrbvGOQLeS7rb/TCvO90d7HjmAFd4A64nsfJrkaani38q4B+g2vUqHOErz1:tPXZz

Score
9/10

Malware Config

Targets

    • Target

      630a21057c70a10fcf1162846d05e245.elf

    • Size

      1.9MB

    • MD5

      630a21057c70a10fcf1162846d05e245

    • SHA1

      4644672a3b834ba7674c9528757c415eccc1ac27

    • SHA256

      29988f877c82dbe27b9322f462af2a742e90073a262a57eaa37d6bed4f310d0a

    • SHA512

      36d5cddaa10850bf18cf7704d0a845addd2677f68a7cb68e1b5cc8cf8d29bd717344cae70c3b03c41419afb87e8dd395b1a94d3730965ef1d1c67a69bec21dfd

    • SSDEEP

      49152:XXPVKrbvGOQLeS7rb/TCvO90d7HjmAFd4A64nsfJrkaani38q4B+g2vUqHOErz1:tPXZz

    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