Analysis

  • max time kernel
    149s
  • max time network
    131s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260911-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260911-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    17/09/2026, 23:19

General

  • Target
    788d64d1d4c905bc93b307018bf80ff2abebbef57026620484eab4baf954d01e.exe
  • Size 1.5MB
  • Sample260917-3bbtqa1blc
  • SHA256 788d64d1d4c905bc93b307018bf80ff2abebbef57026620484eab4baf954d01e
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Family
  • xworm

Version
  • XWorm V6.5 by c3lestial.fun

C2
  • 45.137.98.100:6000

  • :6000

Mutex
  • DGfZYhpNBNgSmGhY

Attributes
  • install_file

    USB.exe

aes.plain

Signatures

  • Family: DonutLoader

    DonutLoader is a position-independent code that enables in-memory execution of VBScript, JScript, EXE, DLL files and dotNET assemblies.

  • Family: Xworm

    Xworm is a remote access trojan written in C#.

  • Detect Xworm Payload 1 IoCs
  • Detects DonutLoader 4 IoCs
  • Boot or Logon Autostart Execution: Active Setup 2 TTPs 1 IoCs

    Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 2 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Enumerates connected drives 3 TTPs 2 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Enumerates physical storage devices 1 TTPs

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

  • Checks SCSI registry key(s) 3 TTPs 58 IoCs

    SCSI information is often read in order to detect sandboxing environments.

  • Modifies registry class 34 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 50 IoCs
  • Suspicious use of FindShellTrayWindow 64 IoCs
  • Suspicious use of SendNotifyMessage 44 IoCs
  • Suspicious use of SetWindowsHookEx 4 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3288
    • C:\Users\Admin\AppData\Local\Temp\788d64d1d4c905bc93b307018bf80ff2abebbef57026620484eab4baf954d01e.exe
      "C:\Users\Admin\AppData\Local\Temp\788d64d1d4c905bc93b307018bf80ff2abebbef57026620484eab4baf954d01e.exe"
      2⤵
      • Checks computer location settings
      • Suspicious use of WriteProcessMemory
      PID:4888
      • C:\Users\Admin\AppData\Local\Temp\RarSFX0\XW33322XXient.exe
        "C:\Users\Admin\AppData\Local\Temp\RarSFX0\XW33322XXient.exe"
        3⤵
        • Executes dropped EXE
        • Adds Run key to start application
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of WriteProcessMemory
        PID:404
  • C:\Users\Admin\AppData\Local\Temp\RarSFX0\XW33322XXient.exe
    C:\Users\Admin\AppData\Local\Temp\RarSFX0\XW33322XXient.exe
    1⤵
    • Executes dropped EXE
    • Adds Run key to start application
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:3192
  • C:\Windows\explorer.exe
    explorer.exe
    1⤵
    • Boot or Logon Autostart Execution: Active Setup
    • Enumerates connected drives
    • Checks SCSI registry key(s)
    • Modifies registry class
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of SetWindowsHookEx
    PID:872
  • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
    "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
    1⤵
    • Modifies registry class
    • Suspicious use of SetWindowsHookEx
    PID:1968
  • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
    "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
    1⤵
    • Modifies registry class
    • Suspicious use of SetWindowsHookEx
    PID:3740

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        0.0.filtertrie.intermediate.txt

        • Path C:\Users\Admin\AppData\Local\Packages\Microsoft.Windows.Search_cw5n1h2txyewy\LocalState\ConstraintIndex\Apps_{b0d7061a-c524-400c-bbc6-81029be27058}\0.0.filtertrie.intermediate.txt
        • Size 29KB
        • SHA256 384abd74e39599ec1bcdccdfd6072fe9638168848c43d20693476c943e91f1c8
        • MD5 SHA1 SHA512 SSDEEP TLSH

        0.1.filtertrie.intermediate.txt

        • Path C:\Users\Admin\AppData\Local\Packages\Microsoft.Windows.Search_cw5n1h2txyewy\LocalState\ConstraintIndex\Apps_{b0d7061a-c524-400c-bbc6-81029be27058}\0.1.filtertrie.intermediate.txt
        • Size 5B
        • SHA256 8e1e6a3d56796a245d0c7b0849548932fee803bbdb03f6e289495830e017f14c
        • MD5 SHA1 SHA512

        0.2.filtertrie.intermediate.txt

        • Path C:\Users\Admin\AppData\Local\Packages\Microsoft.Windows.Search_cw5n1h2txyewy\LocalState\ConstraintIndex\Apps_{b0d7061a-c524-400c-bbc6-81029be27058}\0.2.filtertrie.intermediate.txt
        • Size 5B
        • SHA256 d65b6a3bf11a27a1ced1f7e98082246e40cf01289fd47fe4a5ed46c221f2f73f
        • MD5 SHA1 SHA512

        Apps.ft

        • Path C:\Users\Admin\AppData\Local\Packages\Microsoft.Windows.Search_cw5n1h2txyewy\LocalState\ConstraintIndex\Apps_{b0d7061a-c524-400c-bbc6-81029be27058}\Apps.ft
        • Size 39KB
        • SHA256 4752b4b80b53dd5a2287ecc62d8eea04fbf79b04363299915dd11c56156de558
        • MD5 SHA1 SHA512 SSDEEP TLSH

        Apps.index

        • Path C:\Users\Admin\AppData\Local\Packages\Microsoft.Windows.Search_cw5n1h2txyewy\LocalState\ConstraintIndex\Apps_{b0d7061a-c524-400c-bbc6-81029be27058}\Apps.index
        • Size 1.0MB
        • SHA256 a0bbbdf18f51f6e5f7840839eee54b55d33e63cdcf400ca80e14a814c8bfb4a4
        • MD5 SHA1 SHA512 SSDEEP TLSH

        AppCache134341608211386525.txt

        • Path C:\Users\Admin\AppData\Local\Packages\Microsoft.Windows.Search_cw5n1h2txyewy\LocalState\DeviceSearchCache\AppCache134341608211386525.txt
        • Size 78KB
        • SHA256 185dcfa8253e8a8404b081c173ec0f8c2793282636e2d57bb454dbb2283b5f72
        • MD5 SHA1 SHA512 SSDEEP TLSH

        XW33322XXient.exe

        • Path C:\Users\Admin\AppData\Local\Temp\RarSFX0\XW33322XXient.exe
        • Size 69KB
        • SHA256 de85b3e4592a6e2ee48c84da7fded934f6276f221b0f82927e2579a047e41666
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/404-16-0x0000000000EB0000-0x0000000000EC8000-memory.dmp

        memory/872-48-0x00000000028F0000-0x00000000028F1000-memory.dmp

        memory/1968-80-0x0000029344580000-0x00000293445A0000-memory.dmp

        memory/1968-55-0x00000293441B0000-0x00000293441D0000-memory.dmp

        memory/1968-50-0x00000293434E0000-0x00000293435E0000-memory.dmp

        memory/1968-65-0x0000029344170000-0x0000029344190000-memory.dmp

        memory/3288-27-0x0000000001520000-0x0000000001521000-memory.dmp

        memory/3288-21-0x0000000008EB0000-0x0000000008EB1000-memory.dmp

        memory/3288-20-0x000000000A520000-0x000000000A530000-memory.dmp

        memory/3288-19-0x0000000003540000-0x000000000354E000-memory.dmp

        memory/3288-18-0x000000000A520000-0x000000000A530000-memory.dmp

        memory/3288-17-0x0000000001530000-0x0000000001540000-memory.dmp