Analysis

  • max time kernel
    147s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240319-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240319-enlocale:en-usos:windows10-2004-x64system
  • submitted
    10/04/2024, 00:39

General

  • Target
    XClient.exe
  • Size 38KB
  • Sample240410-az3m5abb32
  • SHA256 4b2490fd2dd85344efb6f8ea04e713a243a846e616a6004c86b7ad13643df893
  • MD5 SHA1 SHA512 SSDEEP
Score
10/10

Malware Config

Extracted

Family
  • xworm

Version
  • 5.0

C2
  • 127.0.0.1:23638

  • 209.25.140.1:5525:23638

  • bring-recorder.gl.at.ply.gg:23638

  • action-yesterday.gl.at.ply.gg:23638

  • 147.185.221.19:23638

  • then-wheel.gl.at.ply.gg::23638

  • then-wheel.gl.at.ply.gg:23638

  • teen-modes.gl.at.ply.gg:23638

Mutex
  • crGLGnAuOHwBfUue

Attributes
  • Install_directory

    %AppData%

  • install_file

    uwumonster.exe

aes.plain

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).

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\XClient.exe
    "C:\Users\Admin\AppData\Local\Temp\XClient.exe"
    1⤵
    • Drops startup file
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    PID:332
  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=3756 --field-trial-handle=2844,i,5640589924128028832,7963280732661142908,262144 --variations-seed-version /prefetch:8
    1⤵
      PID:4244

    Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          memory/332-0-0x0000000000170000-0x0000000000180000-memory.dmp

          memory/332-1-0x00007FFE5B080000-0x00007FFE5BB41000-memory.dmp

          memory/332-6-0x0000000002380000-0x0000000002390000-memory.dmp

          memory/332-7-0x00007FFE5B080000-0x00007FFE5BB41000-memory.dmp

          memory/332-8-0x0000000002380000-0x0000000002390000-memory.dmp