Analysis

  • max time kernel
    298s
  • max time network
    297s
  • platform
    windows10-1703_x64
  • resource
    win10-20240221-en
  • resource tags

    arch:x64arch:x86image:win10-20240221-enlocale:en-usos:windows10-1703-x64system
  • submitted
    28/03/2024, 22:32

General

  • Target

    NET.exe

  • Size

    73KB

  • MD5

    3720095282b6f508a178a2af3fca48bc

  • SHA1

    44d82c8f7fd6d78f1596f0cb3a3c016870488f82

  • SHA256

    941eae71fe72f8e0ffea737b2e7fd557064f9677d042e12e0f894e69c49c2c5a

  • SHA512

    41df99880f65d3458116adbe5b1bde6beadeae76ff46b69081b3940646e629a64da27780d02c0fa8e828f6ce06170399874802ee472b22d858bef372a1c0af87

  • SSDEEP

    1536:erACqe4rxKD6QDlgvp/6o9k+bKvUJ/JdVtOBLypOi2VI3i3:Y/axKDFDQSoy+bKoKBAOi2Vki3

Score
10/10

Malware Config

Extracted

Family

xworm

C2

172.23.112.1:7000:7000

Attributes
  • Install_directory

    %AppData%

  • install_file

    XClient.exe

Signatures

  • Detect Xworm Payload 1 IoCs
  • Xworm

    Xworm is a remote access trojan written in C#.

  • Drops startup file 2 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Runs net.exe
  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\NET.exe
    "C:\Users\Admin\AppData\Local\Temp\NET.exe"
    1⤵
    • Drops startup file
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    PID:4432

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • memory/4432-0-0x0000000000E20000-0x0000000000E38000-memory.dmp

          Filesize

          96KB

        • memory/4432-1-0x00007FFE852B0000-0x00007FFE85C9C000-memory.dmp

          Filesize

          9.9MB

        • memory/4432-6-0x00000000014D0000-0x00000000014E0000-memory.dmp

          Filesize

          64KB

        • memory/4432-7-0x00007FFE852B0000-0x00007FFE85C9C000-memory.dmp

          Filesize

          9.9MB

        • memory/4432-8-0x00000000014D0000-0x00000000014E0000-memory.dmp

          Filesize

          64KB