Analysis

  • max time kernel
    149s
  • max time network
    151s
  • platform
    ubuntu-18.04_amd64
  • resource
    ubuntu1804-amd64-20260513-en
  • resource tags

    arch:amd64arch:i386image:ubuntu1804-amd64-20260513-enkernel:4.15.0-213-genericlocale:en-usos:ubuntu-18.04-amd64system
  • submitted
    02/10/2026, 12:26

General

  • Target
    kushnet.x64-test
  • Size 1014KB
  • Sample261002-pmgbpaaa25
  • SHA256 f6fbb28a2648634d262e7a8786ad78302e0c9d0c93ab7f541f1c5c8856591fd4
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Contacts a large (774) amount of remote hosts 1 TTPs

    This may indicate a network scan to discover remotely running services.

  • Enumerates active TCP sockets 1 TTPs 1 IoCs

    Gets active TCP sockets from /proc virtual filesystem.

  • Enumerates running processes

    Discovers information about currently running processes on the system

  • Reads process memory 1 TTPs 64 IoCs

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

  • Reads system network configuration 1 TTPs 1 IoCs

    Uses contents of /proc filesystem to enumerate network settings.

  • Enumerates kernel/hardware configuration 1 TTPs 64 IoCs

    Reads contents of /sys virtual filesystem to enumerate system information.

  • Reads runtime system information 64 IoCs

    Reads data from /proc virtual filesystem.

Processes

  • /tmp/kushnet.x64-test
    /tmp/kushnet.x64-test
    1⤵
    • Enumerates active TCP sockets
    • Reads process memory
    • Reads system network configuration
    • Enumerates kernel/hardware configuration
    • Reads runtime system information
    PID:1540

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        KUSHNET.claimed

        • Path /root/KUSHNET.claimed
        • Size 22B
        • SHA256 76797708e7ecc4089fc3aef2dc1525680cd452b3b6843821a3de8fbd26eeb6de
        • MD5 SHA1 SHA512