Analysis

  • max time kernel
    149s
  • max time network
    144s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    10/08/2026, 14:19

General

  • Target
    9b1e1c36119081b3f84f1ff1548615d76b82408e4e323921469d11231ac11264.exe
  • Size 727KB
  • Sample260810-rm1rfawtht
  • SHA256 9b1e1c36119081b3f84f1ff1548615d76b82408e4e323921469d11231ac11264
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Family
  • xworm

Version
  • 5.0

C2
  • 109.248.150.234:1012

Mutex
  • aGO284VKfQVe8Vup

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
  • Reads user/profile data of local email clients 2 TTPs

    Email clients store some user data on disk where infostealers will often target it.

  • Reads user/profile data of web browsers 3 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • 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 12 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of WriteProcessMemory 22 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\9b1e1c36119081b3f84f1ff1548615d76b82408e4e323921469d11231ac11264.exe
    "C:\Users\Admin\AppData\Local\Temp\9b1e1c36119081b3f84f1ff1548615d76b82408e4e323921469d11231ac11264.exe"
    1⤵
    • Modifies Windows Defender DisableAntiSpyware settings
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2932
    • C:\Users\Admin\AppData\Local\Temp\9b1e1c36119081b3f84f1ff1548615d76b82408e4e323921469d11231ac11264.exe
      "C:\Users\Admin\AppData\Local\Temp\9b1e1c36119081b3f84f1ff1548615d76b82408e4e323921469d11231ac11264.exe"
      2⤵
      • Creates a file in the Startup directory
      • Accesses Microsoft Outlook profiles
      • Adds Run key to start application
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      • outlook_office_path
      • outlook_win_path
      PID:2248
      • 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\9b1e1c36119081b3f84f1ff1548615d76b82408e4e323921469d11231ac11264.exe'
        3⤵
        • Command and Scripting Interpreter: PowerShell
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:6116
      • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
        "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess '9b1e1c36119081b3f84f1ff1548615d76b82408e4e323921469d11231ac11264.exe'
        3⤵
        • Command and Scripting Interpreter: PowerShell
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:4140
      • 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:2428
      • 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:4956
      • 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:4204
      • C:\Windows\Microsoft.NET\Framework64\v4.0.30319\csc.exe
        "C:\Windows\Microsoft.NET\Framework64\v4.0.30319\csc.exe" /target:exe /out:"C:\Users\Admin\AppData\Local\Temp\9b1e1c36119081b3f84f1ff1548615d76b82408e4e323921469d11231ac11264.exe" "C:\Users\Admin\AppData\Local\Temp\guardian_src_9b386e8d9eff4eef9bf1fd643ff50e8b.cs"
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:5840
        • C:\Windows\Microsoft.NET\Framework64\v4.0.30319\cvtres.exe
          C:\Windows\Microsoft.NET\Framework64\v4.0.30319\cvtres.exe /NOLOGO /READONLY /MACHINE:IX86 "/OUT:C:\Users\Admin\AppData\Local\Temp\RESA81.tmp" "c:\Users\Admin\AppData\Local\Temp\CSCA3FE81D11D644A27A2DEDA5D1CE0867E.TMP"
          4⤵
            PID:1376
    • 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:4720
      • 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:5076
    • 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:4664
      • 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:5656

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

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          Downloads

          StartupProfileData-NonInteractive

          • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
          • Size 21KB
          • SHA256 9483e0df6467aa4522b319e20257b308e3de620fcf8a4bbade4f18fd6806f288
          • MD5 SHA1 SHA512 SSDEEP TLSH

          StartupProfileData-NonInteractive

          • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
          • Size 21KB
          • SHA256 2899466f920b1a9fdc2e6acd21645cb25c110ed478b32cd261acc1c74cee2e23
          • MD5 SHA1 SHA512 SSDEEP TLSH

          StartupProfileData-NonInteractive

          • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
          • Size 21KB
          • SHA256 a02f544335c3fa1122991d13681796d6152bb51122ad67fce390ca893e3b176f
          • MD5 SHA1 SHA512 SSDEEP TLSH

          RESA81.tmp

          • Path C:\Users\Admin\AppData\Local\Temp\RESA81.tmp
          • Size 2KB
          • SHA256 ac3a81878acb9b7e65a45b7f4c859a10a94d41264e431f22caffa30f478587b4
          • MD5 SHA1 SHA512 TLSH

          __PSScriptPolicyTest_nf3foxzo.05z.ps1

          • Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_nf3foxzo.05z.ps1
          • Size 60B
          • SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
          • MD5 SHA1 SHA512 TLSH

          bin.exe

          • Path C:\Users\Admin\AppData\Roaming\bin.exe
          • Size 727KB
          • SHA256 9b1e1c36119081b3f84f1ff1548615d76b82408e4e323921469d11231ac11264
          • MD5 SHA1 SHA512 SSDEEP TLSH

          CSCA3FE81D11D644A27A2DEDA5D1CE0867E.TMP

          • Path \??\c:\Users\Admin\AppData\Local\Temp\CSCA3FE81D11D644A27A2DEDA5D1CE0867E.TMP
          • Size 1KB
          • SHA256 c73a79dd71b0b3bf100933b8fd42d24ea8bfc95ebe1b03d06d99fd7b490eb4cd
          • MD5 SHA1 SHA512 TLSH

          guardian_src_9b386e8d9eff4eef9bf1fd643ff50e8b.cs

          • Path \??\c:\Users\Admin\AppData\Local\Temp\guardian_src_9b386e8d9eff4eef9bf1fd643ff50e8b.cs
          • Size 4KB
          • SHA256 3ee1bf1ab210527e7543dc78ca3511904bf7770d571eb0d11746edd9f5bf814a
          • MD5 SHA1 SHA512 SSDEEP TLSH

          memory/2248-47-0x0000000075060000-0x000000007581C000-memory.dmp

          memory/2248-80-0x0000000075060000-0x000000007581C000-memory.dmp

          memory/2248-67-0x0000000075060000-0x000000007581C000-memory.dmp

          memory/2248-12-0x0000000000400000-0x0000000000410000-memory.dmp

          memory/2248-13-0x0000000075060000-0x000000007581C000-memory.dmp

          memory/2248-71-0x00000000073A0000-0x000000000741C000-memory.dmp

          memory/2248-72-0x0000000007460000-0x0000000007468000-memory.dmp

          memory/2248-81-0x0000000008170000-0x0000000008332000-memory.dmp

          memory/2428-52-0x00000000716E0000-0x000000007172C000-memory.dmp

          memory/2932-8-0x0000000075072000-0x0000000075073000-memory.dmp

          memory/2932-7-0x0000000005250000-0x0000000005264000-memory.dmp

          memory/2932-2-0x0000000005590000-0x0000000005B4A000-memory.dmp

          memory/2932-9-0x0000000075060000-0x000000007581C000-memory.dmp

          memory/2932-3-0x0000000005070000-0x0000000005102000-memory.dmp

          memory/2932-0-0x0000000075072000-0x0000000075073000-memory.dmp

          memory/2932-14-0x0000000075060000-0x000000007581C000-memory.dmp

          memory/2932-1-0x0000000000560000-0x000000000061C000-memory.dmp

          memory/2932-4-0x0000000005B50000-0x0000000005EAB000-memory.dmp

          memory/2932-11-0x0000000007A30000-0x0000000007AD6000-memory.dmp

          memory/2932-6-0x0000000005050000-0x000000000505A000-memory.dmp

          memory/2932-5-0x0000000075060000-0x000000007581C000-memory.dmp

          memory/2932-10-0x0000000007990000-0x0000000007A2C000-memory.dmp

          memory/4140-43-0x00000000716F0000-0x000000007173C000-memory.dmp

          memory/4140-42-0x0000000006540000-0x000000000658C000-memory.dmp

          memory/4140-46-0x0000000007280000-0x0000000007323000-memory.dmp

          memory/4664-86-0x0000000007650000-0x00000000076F6000-memory.dmp

          memory/4720-70-0x0000000006010000-0x0000000006024000-memory.dmp

          memory/4956-59-0x00000000716E0000-0x000000007172C000-memory.dmp

          memory/6116-23-0x0000000005FF0000-0x0000000006056000-memory.dmp

          memory/6116-38-0x0000000075060000-0x000000007581C000-memory.dmp

          memory/6116-36-0x0000000007AB0000-0x0000000007B46000-memory.dmp

          memory/6116-35-0x00000000078B0000-0x00000000078BA000-memory.dmp

          memory/6116-34-0x0000000007840000-0x000000000785A000-memory.dmp

          memory/6116-33-0x0000000007E80000-0x00000000084FC000-memory.dmp

          memory/6116-32-0x0000000007700000-0x00000000077A3000-memory.dmp

          memory/6116-31-0x00000000076A0000-0x00000000076C0000-memory.dmp

          memory/6116-28-0x00000000716E0000-0x000000007172C000-memory.dmp

          memory/6116-27-0x00000000076C0000-0x00000000076F6000-memory.dmp

          memory/6116-26-0x00000000068C0000-0x000000000690C000-memory.dmp

          memory/6116-25-0x00000000064C0000-0x00000000064DE000-memory.dmp

          memory/6116-24-0x0000000006060000-0x00000000063BB000-memory.dmp

          memory/6116-22-0x0000000005F10000-0x0000000005F76000-memory.dmp

          memory/6116-19-0x0000000005600000-0x0000000005622000-memory.dmp

          memory/6116-17-0x0000000075060000-0x000000007581C000-memory.dmp

          memory/6116-18-0x0000000005690000-0x0000000005CDA000-memory.dmp

          memory/6116-16-0x0000000075060000-0x000000007581C000-memory.dmp

          memory/6116-15-0x0000000005000000-0x0000000005036000-memory.dmp