Analysis

  • max time kernel
    149s
  • max time network
    147s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    02/03/2024, 23:07

General

  • Target

    tmp.exe

  • Size

    14KB

  • MD5

    e34f469b24a30e7a056e47f90b1d722d

  • SHA1

    5f7d963e8b7d2fcd75a4374f2da02672754f57b8

  • SHA256

    ab1c952a12e853bd77e417cd98b3cc4a1310a0f61c93f37f657a4724545a06f2

  • SHA512

    f37f02a19dea8d1a818df6534f953d8d1a470151c6a57da4d3d10b3e03fdf8abeeaa17e10ffa4c80c5f618749230e56b795855b638d218b02fda9adc29289df5

  • SSDEEP

    384:3R0wqwlbU/TN2qKGq7O/aC+s39wPS6Vz/:3RxuTB/H9wPS6B

Malware Config

Extracted

Family

xworm

C2

new-coder.cc:7536

Attributes
  • Install_directory

    %ProgramData%

  • install_file

    SecurityHealthSystray.exe

Signatures

  • Detect Xworm Payload 2 IoCs
  • Xworm

    Xworm is a remote access trojan written in C#.

  • Drops startup file 2 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 6 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 1 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
    • Drops startup file
    • Adds Run key to start application
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    PID:3388
    • C:\Users\Admin\AppData\Local\Temp\tmp.exe
      "C:\Users\Admin\AppData\Local\Temp\tmp.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:4184

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • memory/3388-3-0x0000000002FD0000-0x0000000002FED000-memory.dmp

          Filesize

          116KB

        • memory/3388-6-0x00000000033E0000-0x00000000033FC000-memory.dmp

          Filesize

          112KB

        • memory/3388-7-0x00007FFA9E5C0000-0x00007FFA9F081000-memory.dmp

          Filesize

          10.8MB

        • memory/3388-8-0x00000000094C0000-0x00000000094D0000-memory.dmp

          Filesize

          64KB

        • memory/3388-9-0x00000000094C0000-0x00000000094D0000-memory.dmp

          Filesize

          64KB

        • memory/3388-10-0x00007FFA9E5C0000-0x00007FFA9F081000-memory.dmp

          Filesize

          10.8MB

        • memory/3388-11-0x00000000094C0000-0x00000000094D0000-memory.dmp

          Filesize

          64KB

        • memory/3388-12-0x00000000094C0000-0x00000000094D0000-memory.dmp

          Filesize

          64KB

        • memory/4184-0-0x0000021713060000-0x000002171306A000-memory.dmp

          Filesize

          40KB

        • memory/4184-1-0x00007FFA9E5C0000-0x00007FFA9F081000-memory.dmp

          Filesize

          10.8MB

        • memory/4184-2-0x00000217134B0000-0x00000217134C0000-memory.dmp

          Filesize

          64KB

        • memory/4184-5-0x00007FFA9E5C0000-0x00007FFA9F081000-memory.dmp

          Filesize

          10.8MB