General

  • Target
    bot.mipsel.elf
  • Size 653KB
  • Sample260803-clfmjsan5z
  • SHA256 cb29d2fd5f6bdeffaa330573085ac178cba392e1037fb522a9734d82bf249eed
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Targets

    • Target
      bot.mipsel.elf
    • Size 653KB
    • SHA256 cb29d2fd5f6bdeffaa330573085ac178cba392e1037fb522a9734d82bf249eed
    • MD5 SHA1 SHA512 SSDEEP TLSH
    • Deletes itself

    • Executes dropped EXE

    • Runs EXE from memory

      Runs an executable from memory, likely to minimize footprint

    • 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.

    • Enumerates running processes

      Discovers information about currently running processes on the system

    • Modifies init.d

      Adds/modifies system service, likely for 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 process memory

      Read the memory of a process through the /proc virtual filesystem. This can be used to steal credentials.

    • UPX packed file

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

MITRE ATT&CK Enterprise v16

Tasks