Analysis

  • max time kernel
    144s
  • max time network
    160s
  • platform
    debian-9_armhf
  • resource
    debian9-armhf-20240611-en
  • resource tags

    arch:armhfimage:debian9-armhf-20240611-enkernel:4.9.0-13-armmp-lpaelocale:en-usos:debian-9-armhfsystem
  • submitted
    30-12-2024 01:19

General

  • Target

    .Sarm7.elf

  • Size

    56KB

  • MD5

    4717d4355735701317c8ed18eda475c5

  • SHA1

    0f9f3434b80f309d77406d9498a99f1781c82094

  • SHA256

    4e26e5271b9eeaddec3969bfc3c20f4b348b2b02e1ed076471f46096ad62c5f6

  • SHA512

    46b88ecffa655f6698e3ef9f85e29809fb301e1bb57663ef89e1cf470fe19d719c3460dd324a56e2b7a39da2882a16c570efb4668e263bf4f07b34e9674e1552

  • SSDEEP

    1536:DCKWfy1sazvsUJO5f8knJzRU/hEnLeGg1tqW0xfbAMOARS:Zara/JO5ftnUpEnLeGAkWUjJ7S

Score
10/10

Malware Config

Extracted

Family

mirai

C2

e.xijinping.mov

Signatures

  • Mirai

    Mirai is a prevalent Linux malware infecting exposed network devices.

  • Mirai family
  • Deletes itself 1 IoCs
  • Traces itself 1 IoCs

    Traces itself to prevent debugging attempts

  • Writes file to system bin folder 2 IoCs
  • Changes its process name 1 IoCs
  • Reads runtime system information 1 IoCs

    Reads data from /proc virtual filesystem.

  • Writes file to tmp directory 2 IoCs

    Malware often drops required files in the /tmp directory.

Processes

  • /tmp/.Sarm7.elf
    /tmp/.Sarm7.elf
    1⤵
    • Deletes itself
    • Traces itself
    • Writes file to system bin folder
    • Changes its process name
    • Reads runtime system information
    • Writes file to tmp directory
    PID:652

Network

MITRE ATT&CK Matrix

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Downloads