Analysis

  • max time kernel
    150s
  • max time network
    150s
  • platform
    debian-9_armhf
  • resource
    debian9-armhf-20250619-en
  • resource tags

    arch:armhfimage:debian9-armhf-20250619-enkernel:4.9.0-13-armmp-lpaelocale:en-usos:debian-9-armhfsystem
  • submitted
    09/08/2025, 17:52

General

  • Target
    armv5l.elf
  • Size 156KB
  • Sample250809-wfyeysvmx2
  • SHA256 286cabdc872dda01bebbb55ef041fa75e2bd66339de286e8a133ad5852d8d3c1
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Signatures

  • Deletes itself 1 IoCs
  • Enumerates running processes

    Discovers information about currently running processes on the system

  • Modifies init.d 2 TTPs 1 IoCs

    Adds/modifies system service, likely for persistence.

  • Changes its process name 1 IoCs
  • Reads runtime system information 64 IoCs

    Reads data from /proc virtual filesystem.

Processes

  • /tmp/armv5l.elf
    /tmp/armv5l.elf
    1⤵
    • Deletes itself
    • Modifies init.d
    • Changes its process name
    • Reads runtime system information
    PID:642

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        xs.main

        • Path /etc/init.d/xs.main
        • Size 22B
        • SHA256 e7678c30c8b78d38c928b586c946dc61e0858b7ce6c48ec6eefdaea79c9be996
        • MD5 SHA1 SHA512

        main

        • Path /var/main
        • Size 156KB
        • SHA256 286cabdc872dda01bebbb55ef041fa75e2bd66339de286e8a133ad5852d8d3c1
        • MD5 SHA1 SHA512 SSDEEP