Analysis

  • max time kernel
    149s
  • max time network
    152s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    31/08/2026, 03:45

General

  • Target
    37f7127bcae8388c61432dc2d46b0df36cb33690ebbc5b725b28b33dfb145d4b.exe
  • Size 833KB
  • Sample260831-ea79jaee68
  • SHA256 37f7127bcae8388c61432dc2d46b0df36cb33690ebbc5b725b28b33dfb145d4b
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Family
  • xworm

Version
  • 5.0

C2
  • 109.248.150.234:443

Mutex
  • 70vLmgcqMEnUJOeL

Attributes
  • Install_directory

    %AppData%

  • install_file

    bin.exe

aes.plain

Signatures

  • Family: Xworm

    Xworm is a remote access trojan written in C#.

  • Detect Xworm Payload 1 IoCs
  • Modifies Windows Defender DisableAntiSpyware settings 3 TTPs 3 IoCs
  • Command and Scripting Interpreter: PowerShell 1 TTPs 4 IoCs

    Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

  • Creates a file in the Startup directory 1 TTPs 2 IoCs

    A file was written to a Windows startup folder. Files in these directories are executed automatically when a user logs on or an application initializes.

  • Executes dropped EXE 4 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • SmartAssembly .NET packer 1 IoCs

    Detects SmartAssembly .NET packer.

  • Suspicious use of SetThreadContext 3 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 11 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 8 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of WriteProcessMemory 20 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\37f7127bcae8388c61432dc2d46b0df36cb33690ebbc5b725b28b33dfb145d4b.exe
    "C:\Users\Admin\AppData\Local\Temp\37f7127bcae8388c61432dc2d46b0df36cb33690ebbc5b725b28b33dfb145d4b.exe"
    1⤵
    • Modifies Windows Defender DisableAntiSpyware settings
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:3156
    • C:\Users\Admin\AppData\Local\Temp\37f7127bcae8388c61432dc2d46b0df36cb33690ebbc5b725b28b33dfb145d4b.exe
      "C:\Users\Admin\AppData\Local\Temp\37f7127bcae8388c61432dc2d46b0df36cb33690ebbc5b725b28b33dfb145d4b.exe"
      2⤵
      • Creates a file in the Startup directory
      • Adds Run key to start application
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:3140
      • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
        "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Local\Temp\37f7127bcae8388c61432dc2d46b0df36cb33690ebbc5b725b28b33dfb145d4b.exe'
        3⤵
        • Command and Scripting Interpreter: PowerShell
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:5796
      • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
        "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess '37f7127bcae8388c61432dc2d46b0df36cb33690ebbc5b725b28b33dfb145d4b.exe'
        3⤵
        • Command and Scripting Interpreter: PowerShell
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:480
      • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
        "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Roaming\bin.exe'
        3⤵
        • Command and Scripting Interpreter: PowerShell
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:4208
      • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
        "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'bin.exe'
        3⤵
        • Command and Scripting Interpreter: PowerShell
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        PID:2332
      • C:\Windows\SysWOW64\schtasks.exe
        "C:\Windows\System32\schtasks.exe" /create /f /RL HIGHEST /sc minute /mo 1 /tn "bin" /tr "C:\Users\Admin\AppData\Roaming\bin.exe"
        3⤵
        • System Location Discovery: System Language Discovery
        • Scheduled Task/Job: Scheduled Task
        PID:1472
  • C:\Users\Admin\AppData\Roaming\bin.exe
    C:\Users\Admin\AppData\Roaming\bin.exe
    1⤵
    • Modifies Windows Defender DisableAntiSpyware settings
    • Executes dropped EXE
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2164
    • C:\Users\Admin\AppData\Roaming\bin.exe
      "C:\Users\Admin\AppData\Roaming\bin.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:3328
  • C:\Users\Admin\AppData\Roaming\bin.exe
    "C:\Users\Admin\AppData\Roaming\bin.exe"
    1⤵
    • Modifies Windows Defender DisableAntiSpyware settings
    • Executes dropped EXE
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:3996
    • C:\Users\Admin\AppData\Roaming\bin.exe
      "C:\Users\Admin\AppData\Roaming\bin.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:3236

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        StartupProfileData-NonInteractive

        • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
        • Size 21KB
        • SHA256 5d764111f2d2fcc9c8f93b5b222244a6f9cf2e2fc0aa017c81cfe875d5945df2
        • MD5 SHA1 SHA512 SSDEEP TLSH

        StartupProfileData-NonInteractive

        • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
        • Size 21KB
        • SHA256 4a196a956d15069184ff4f8cb1eb38c91fb6669d0f63d94f47bcb840bbf1b32a
        • MD5 SHA1 SHA512 SSDEEP TLSH

        StartupProfileData-NonInteractive

        • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
        • Size 21KB
        • SHA256 0d2f349ab2fb9af2a4287a91e3f0323f5130d619ff9b9aa0df6ec8eb663b8622
        • MD5 SHA1 SHA512 SSDEEP TLSH

        __PSScriptPolicyTest_echn2j3o.vnq.ps1

        • Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_echn2j3o.vnq.ps1
        • Size 60B
        • SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
        • MD5 SHA1 SHA512 TLSH

        bin.exe

        • Path C:\Users\Admin\AppData\Roaming\bin.exe
        • Size 833KB
        • SHA256 37f7127bcae8388c61432dc2d46b0df36cb33690ebbc5b725b28b33dfb145d4b
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/480-43-0x0000000070DE0000-0x0000000070E2C000-memory.dmp

        memory/480-41-0x0000000005E50000-0x00000000061AB000-memory.dmp

        memory/2332-63-0x0000000007300000-0x00000000073A3000-memory.dmp

        memory/2332-60-0x0000000070DB0000-0x0000000070DFC000-memory.dmp

        memory/2332-59-0x00000000060A0000-0x00000000060EC000-memory.dmp

        memory/2332-57-0x0000000005CC0000-0x000000000601B000-memory.dmp

        memory/3140-12-0x0000000074B50000-0x000000007530C000-memory.dmp

        memory/3140-50-0x0000000074B50000-0x000000007530C000-memory.dmp

        memory/3140-11-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/3140-72-0x0000000074B50000-0x000000007530C000-memory.dmp

        memory/3140-69-0x0000000074B50000-0x000000007530C000-memory.dmp

        memory/3156-6-0x0000000074B50000-0x000000007530C000-memory.dmp

        memory/3156-2-0x0000000005C70000-0x000000000622A000-memory.dmp

        memory/3156-3-0x0000000005750000-0x00000000057E2000-memory.dmp

        memory/3156-4-0x0000000005720000-0x000000000572A000-memory.dmp

        memory/3156-5-0x0000000005900000-0x000000000599C000-memory.dmp

        memory/3156-0-0x0000000074B62000-0x0000000074B63000-memory.dmp

        memory/3156-1-0x0000000000C60000-0x0000000000D36000-memory.dmp

        memory/3156-13-0x0000000074B50000-0x000000007530C000-memory.dmp

        memory/3156-7-0x00000000059A0000-0x00000000059BC000-memory.dmp

        memory/3156-8-0x0000000074B62000-0x0000000074B63000-memory.dmp

        memory/3156-9-0x0000000074B50000-0x000000007530C000-memory.dmp

        memory/3156-10-0x0000000007E80000-0x0000000007F26000-memory.dmp

        memory/4208-51-0x0000000070DE0000-0x0000000070E2C000-memory.dmp

        memory/5796-23-0x0000000005C80000-0x0000000005FDB000-memory.dmp

        memory/5796-27-0x0000000006630000-0x0000000006666000-memory.dmp

        memory/5796-35-0x0000000007400000-0x000000000740A000-memory.dmp

        memory/5796-36-0x0000000007600000-0x0000000007696000-memory.dmp

        memory/5796-38-0x0000000074B50000-0x000000007530C000-memory.dmp

        memory/5796-33-0x00000000079D0000-0x000000000804C000-memory.dmp

        memory/5796-32-0x0000000007250000-0x00000000072F3000-memory.dmp

        memory/5796-31-0x0000000007020000-0x0000000007040000-memory.dmp

        memory/5796-28-0x0000000070DE0000-0x0000000070E2C000-memory.dmp

        memory/5796-34-0x0000000007390000-0x00000000073AA000-memory.dmp

        memory/5796-26-0x0000000006460000-0x00000000064AC000-memory.dmp

        memory/5796-25-0x0000000006010000-0x000000000602E000-memory.dmp

        memory/5796-24-0x0000000074B50000-0x000000007530C000-memory.dmp

        memory/5796-22-0x0000000005AF0000-0x0000000005B56000-memory.dmp

        memory/5796-19-0x0000000005A80000-0x0000000005AE6000-memory.dmp

        memory/5796-18-0x0000000005350000-0x0000000005372000-memory.dmp

        memory/5796-16-0x00000000053C0000-0x0000000005A0A000-memory.dmp

        memory/5796-17-0x0000000074B50000-0x000000007530C000-memory.dmp

        memory/5796-15-0x0000000074B50000-0x000000007530C000-memory.dmp

        memory/5796-14-0x0000000002800000-0x0000000002836000-memory.dmp