Analysis

  • max time kernel
    149s
  • max time network
    146s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260513-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    10/09/2026, 11:18

General

  • Target
    57f5d6a0f4ba2b5db7c32af655a63a62b82e83f8bc03650f953eed6a6f0e1fa2.exe
  • Size 754KB
  • Sample260910-nefjrabm7s
  • SHA256 57f5d6a0f4ba2b5db7c32af655a63a62b82e83f8bc03650f953eed6a6f0e1fa2
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Family
  • xworm

Version
  • 5.0

C2
  • 45.154.98.168:9019

Mutex
  • U1HTpom8klWxOpDd

Attributes
  • Install_directory

    %AppData%

  • install_file

    XWormClient.exe

aes.plain

Signatures

  • Family: Xworm

    Xworm is a remote access trojan written in C#.

  • Detect Xworm Payload 1 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.

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • 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 6 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • SmartAssembly .NET packer 3 IoCs

    Detects SmartAssembly .NET packer.

  • Suspicious use of SetThreadContext 4 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 13 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 17 IoCs
  • Suspicious use of AdjustPrivilegeToken 12 IoCs
  • Suspicious use of WriteProcessMemory 25 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\57f5d6a0f4ba2b5db7c32af655a63a62b82e83f8bc03650f953eed6a6f0e1fa2.exe
    "C:\Users\Admin\AppData\Local\Temp\57f5d6a0f4ba2b5db7c32af655a63a62b82e83f8bc03650f953eed6a6f0e1fa2.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2504
    • C:\Users\Admin\AppData\Local\Temp\57f5d6a0f4ba2b5db7c32af655a63a62b82e83f8bc03650f953eed6a6f0e1fa2.exe
      "C:\Users\Admin\AppData\Local\Temp\57f5d6a0f4ba2b5db7c32af655a63a62b82e83f8bc03650f953eed6a6f0e1fa2.exe"
      2⤵
      • Checks computer location settings
      • 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:1736
      • 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\57f5d6a0f4ba2b5db7c32af655a63a62b82e83f8bc03650f953eed6a6f0e1fa2.exe'
        3⤵
        • Command and Scripting Interpreter: PowerShell
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:3328
      • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
        "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess '57f5d6a0f4ba2b5db7c32af655a63a62b82e83f8bc03650f953eed6a6f0e1fa2.exe'
        3⤵
        • Command and Scripting Interpreter: PowerShell
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:3340
      • 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\XWormClient.exe'
        3⤵
        • Command and Scripting Interpreter: PowerShell
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:4020
      • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
        "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'XWormClient.exe'
        3⤵
        • Command and Scripting Interpreter: PowerShell
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:4540
      • C:\Windows\SysWOW64\schtasks.exe
        "C:\Windows\System32\schtasks.exe" /create /f /RL HIGHEST /sc minute /mo 1 /tn "XWormClient" /tr "C:\Users\Admin\AppData\Roaming\XWormClient.exe"
        3⤵
        • System Location Discovery: System Language Discovery
        • Scheduled Task/Job: Scheduled Task
        PID:792
  • C:\Users\Admin\AppData\Roaming\XWormClient.exe
    C:\Users\Admin\AppData\Roaming\XWormClient.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4408
    • C:\Users\Admin\AppData\Roaming\XWormClient.exe
      "C:\Users\Admin\AppData\Roaming\XWormClient.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      PID:3824
  • C:\Users\Admin\AppData\Roaming\XWormClient.exe
    C:\Users\Admin\AppData\Roaming\XWormClient.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3540
    • C:\Users\Admin\AppData\Roaming\XWormClient.exe
      "C:\Users\Admin\AppData\Roaming\XWormClient.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      PID:2744
  • C:\Users\Admin\AppData\Roaming\XWormClient.exe
    C:\Users\Admin\AppData\Roaming\XWormClient.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2480
    • C:\Users\Admin\AppData\Roaming\XWormClient.exe
      "C:\Users\Admin\AppData\Roaming\XWormClient.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      PID:1012

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        57f5d6a0f4ba2b5db7c32af655a63a62b82e83f8bc03650f953eed6a6f0e1fa2.exe.log

        • Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\57f5d6a0f4ba2b5db7c32af655a63a62b82e83f8bc03650f953eed6a6f0e1fa2.exe.log
        • Size 1KB
        • SHA256 e16024b092a026a9dc00df69d4b9bbcab7b2dc178dc5291fc308a1abc9304a99
        • MD5 SHA1 SHA512 TLSH

        powershell.exe.log

        • Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log
        • Size 2KB
        • SHA256 92099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a
        • MD5 SHA1 SHA512 TLSH

        StartupProfileData-NonInteractive

        • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
        • Size 18KB
        • SHA256 91d72a0f29f8b5ed013f493a6f460c45fc427981b9bd625bdb0536851aa7d283
        • MD5 SHA1 SHA512 SSDEEP TLSH

        StartupProfileData-NonInteractive

        • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
        • Size 18KB
        • SHA256 bd692fa2571a0288822b06b6540d8756e4428642a431178d6a61be91566b02ab
        • MD5 SHA1 SHA512 SSDEEP TLSH

        StartupProfileData-NonInteractive

        • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
        • Size 18KB
        • SHA256 ca9e4d3c1c6b605f03e2340cd5322ffd8b82016d8f52b0df550681d621ab274f
        • MD5 SHA1 SHA512 SSDEEP TLSH

        __PSScriptPolicyTest_rxwgjf1q.ltb.ps1

        • Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_rxwgjf1q.ltb.ps1
        • Size 60B
        • SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
        • MD5 SHA1 SHA512 TLSH

        XWormClient.exe

        • Path C:\Users\Admin\AppData\Roaming\XWormClient.exe
        • Size 754KB
        • SHA256 57f5d6a0f4ba2b5db7c32af655a63a62b82e83f8bc03650f953eed6a6f0e1fa2
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/1736-9-0x0000000000400000-0x0000000000410000-memory.dmp

        memory/1736-113-0x0000000005760000-0x0000000005770000-memory.dmp

        memory/1736-118-0x0000000005760000-0x0000000005770000-memory.dmp

        memory/2480-127-0x0000000004C00000-0x0000000004C14000-memory.dmp

        memory/2504-0-0x0000000000AB0000-0x0000000000B74000-memory.dmp

        memory/2504-7-0x0000000005790000-0x00000000057A0000-memory.dmp

        memory/2504-8-0x0000000006400000-0x00000000064AC000-memory.dmp

        memory/2504-6-0x00000000058F0000-0x0000000005904000-memory.dmp

        memory/2504-5-0x0000000005550000-0x000000000555A000-memory.dmp

        memory/2504-4-0x0000000005790000-0x00000000057A0000-memory.dmp

        memory/2504-3-0x0000000005680000-0x000000000571C000-memory.dmp

        memory/2504-2-0x00000000055E0000-0x0000000005672000-memory.dmp

        memory/2504-1-0x0000000005B90000-0x0000000006134000-memory.dmp

        memory/3328-38-0x00000000069F0000-0x0000000006A0E000-memory.dmp

        memory/3328-16-0x0000000005470000-0x0000000005492000-memory.dmp

        memory/3328-27-0x0000000006440000-0x000000000645E000-memory.dmp

        memory/3328-28-0x00000000064D0000-0x000000000651C000-memory.dmp

        memory/3328-29-0x0000000006A10000-0x0000000006A42000-memory.dmp

        memory/3328-30-0x0000000070050000-0x000000007009C000-memory.dmp

        memory/3328-18-0x0000000005C90000-0x0000000005CF6000-memory.dmp

        memory/3328-39-0x0000000007410000-0x00000000074B3000-memory.dmp

        memory/3328-40-0x0000000007DB0000-0x000000000842A000-memory.dmp

        memory/3328-41-0x0000000007760000-0x000000000777A000-memory.dmp

        memory/3328-42-0x00000000077D0000-0x00000000077DA000-memory.dmp

        memory/3328-43-0x00000000079E0000-0x0000000007A76000-memory.dmp

        memory/3328-44-0x0000000007960000-0x0000000007971000-memory.dmp

        memory/3328-45-0x0000000007990000-0x000000000799E000-memory.dmp

        memory/3328-46-0x00000000079A0000-0x00000000079B4000-memory.dmp

        memory/3328-47-0x0000000007AA0000-0x0000000007ABA000-memory.dmp

        memory/3328-48-0x0000000007A80000-0x0000000007A88000-memory.dmp

        memory/3328-12-0x0000000004E80000-0x0000000004EB6000-memory.dmp

        memory/3328-14-0x0000000005020000-0x0000000005030000-memory.dmp

        memory/3328-13-0x0000000005020000-0x0000000005030000-memory.dmp

        memory/3328-15-0x0000000005660000-0x0000000005C88000-memory.dmp

        memory/3328-24-0x0000000005E30000-0x0000000006184000-memory.dmp

        memory/3328-17-0x0000000005590000-0x00000000055F6000-memory.dmp

        memory/3340-72-0x0000000007230000-0x0000000007244000-memory.dmp

        memory/3340-71-0x0000000007200000-0x0000000007211000-memory.dmp

        memory/3340-62-0x0000000070F10000-0x0000000070F5C000-memory.dmp

        memory/3340-70-0x0000000006F00000-0x0000000006FA3000-memory.dmp

        memory/3340-61-0x00000000061E0000-0x000000000622C000-memory.dmp

        memory/3340-59-0x00000000057F0000-0x0000000005B44000-memory.dmp

        memory/3540-117-0x0000000005390000-0x00000000053A4000-memory.dmp

        memory/4020-82-0x0000000070F10000-0x0000000070F5C000-memory.dmp

        memory/4540-99-0x00000000067B0000-0x00000000067FC000-memory.dmp

        memory/4540-100-0x0000000070F00000-0x0000000070F4C000-memory.dmp