Analysis

  • max time kernel
    149s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20251211-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20251211-enlocale:en-usos:windows10-2004-x64system
  • submitted
    12/12/2025, 04:24

General

  • Target
    8ae85132b8b81d6278e254109515f631c388104e2297a8aa63ba77d00ce85432.exe
  • Size 556KB
  • Sample251212-e1slrsbt7d
  • SHA256 8ae85132b8b81d6278e254109515f631c388104e2297a8aa63ba77d00ce85432
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • xworm

C2
  • johnsmith77770444.zapto.org:6078

Mutex
  • JOFFLEiKqlmV20hF

Attributes
  • install_file

    XWormClient.exe

aes.plain

Extracted

Family
  • latentbot

C2
  • johnsmith77770444.zapto.org

Signatures

  • Contains code to disable Windows Defender 1 IoCs

    A .NET executable tasked with disabling Windows Defender capabilities such as realtime monitoring, blocking at first seen, etc.

  • Detect Xworm Payload 1 IoCs
  • LatentBot

    Modular trojan written in Delphi which has been in-the-wild since 2013.

  • Latentbot family
  • Xworm

    Xworm is a remote access trojan written in C#.

  • Xworm family
  • Command and Scripting Interpreter: PowerShell 1 TTPs 6 IoCs

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

  • Checks computer location settings 2 TTPs 3 IoCs

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

  • Drops startup file 2 IoCs
  • Executes dropped EXE 5 IoCs
  • Loads dropped DLL 1 IoCs
  • Reads user/profile data of web browsers 3 TTPs

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

  • 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 16 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 3 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 20 IoCs
  • Suspicious use of AdjustPrivilegeToken 12 IoCs
  • Suspicious use of WriteProcessMemory 25 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\8ae85132b8b81d6278e254109515f631c388104e2297a8aa63ba77d00ce85432.exe
    "C:\Users\Admin\AppData\Local\Temp\8ae85132b8b81d6278e254109515f631c388104e2297a8aa63ba77d00ce85432.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4316
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\8ae85132b8b81d6278e254109515f631c388104e2297a8aa63ba77d00ce85432.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2676
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\cEWmhUUtRFdk.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4780
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\cEWmhUUtRFdk" /XML "C:\Users\Admin\AppData\Local\Temp\tmp6C42.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:772
    • C:\Users\Admin\AppData\Local\Temp\8ae85132b8b81d6278e254109515f631c388104e2297a8aa63ba77d00ce85432.exe
      "C:\Users\Admin\AppData\Local\Temp\8ae85132b8b81d6278e254109515f631c388104e2297a8aa63ba77d00ce85432.exe"
      2⤵
        PID:4516
      • C:\Users\Admin\AppData\Local\Temp\8ae85132b8b81d6278e254109515f631c388104e2297a8aa63ba77d00ce85432.exe
        "C:\Users\Admin\AppData\Local\Temp\8ae85132b8b81d6278e254109515f631c388104e2297a8aa63ba77d00ce85432.exe"
        2⤵
        • Drops startup file
        • Loads dropped DLL
        • Adds Run key to start application
        • System Location Discovery: System Language Discovery
        • Suspicious use of AdjustPrivilegeToken
        PID:4628
    • C:\Users\Admin\AppData\Roaming\cEWmhUUtRFdk.exe
      C:\Users\Admin\AppData\Roaming\cEWmhUUtRFdk.exe
      1⤵
      • Checks computer location settings
      • 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:1736
      • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
        "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\cEWmhUUtRFdk.exe"
        2⤵
        • Command and Scripting Interpreter: PowerShell
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:1380
      • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
        "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\cEWmhUUtRFdk.exe"
        2⤵
        • Command and Scripting Interpreter: PowerShell
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:1592
      • C:\Windows\SysWOW64\schtasks.exe
        "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\cEWmhUUtRFdk" /XML "C:\Users\Admin\AppData\Local\Temp\tmpB62C.tmp"
        2⤵
        • System Location Discovery: System Language Discovery
        • Scheduled Task/Job: Scheduled Task
        PID:5364
      • C:\Users\Admin\AppData\Roaming\cEWmhUUtRFdk.exe
        "C:\Users\Admin\AppData\Roaming\cEWmhUUtRFdk.exe"
        2⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Suspicious use of AdjustPrivilegeToken
        PID:5468
    • C:\XWormClient.exe
      \XWormClient.exe
      1⤵
      • Checks computer location settings
      • 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:1660
      • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
        "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\XWormClient.exe"
        2⤵
        • Command and Scripting Interpreter: PowerShell
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:3180
      • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
        "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\cEWmhUUtRFdk.exe"
        2⤵
        • Command and Scripting Interpreter: PowerShell
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:216
      • C:\Windows\SysWOW64\schtasks.exe
        "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\cEWmhUUtRFdk" /XML "C:\Users\Admin\AppData\Local\Temp\tmpBDCD.tmp"
        2⤵
        • System Location Discovery: System Language Discovery
        • Scheduled Task/Job: Scheduled Task
        PID:3676
      • C:\XWormClient.exe
        "C:\XWormClient.exe"
        2⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Suspicious use of AdjustPrivilegeToken
        PID:6040
    • C:\XWormClient.exe
      C:\XWormClient.exe
      1⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:3028

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

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          Downloads

          cEWmhUUtRFdk.exe.log

          • Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\cEWmhUUtRFdk.exe.log
          • Size 1KB
          • SHA256 7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982
          • MD5 SHA1 SHA512

          StartupProfileData-NonInteractive

          • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
          • Size 18KB
          • SHA256 e0f54037cea313560b3f641bf16b0ed5e4b566bc0fc7fba94cd690875e6f72cc
          • MD5 SHA1 SHA512 SSDEEP

          StartupProfileData-NonInteractive

          • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
          • Size 18KB
          • SHA256 20f6d3a7d8b569872d930b8ca509b3a1db544f5d25ed59c3d1bf3ceb692884c0
          • MD5 SHA1 SHA512 SSDEEP

          StartupProfileData-NonInteractive

          • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
          • Size 18KB
          • SHA256 07e76141b904321507d511451a378b16c15b4742cc79abceae13424425cab158
          • MD5 SHA1 SHA512 SSDEEP

          Protect544cd51a.dll

          • Path C:\Users\Admin\AppData\Local\Temp\Protect544cd51a.dll
          • Size 742KB
          • SHA256 dfce2d4d06de6452998b3c5b2dc33eaa6db2bd37810d04e3d02dc931887cfddd
          • MD5 SHA1 SHA512 SSDEEP

          __PSScriptPolicyTest_mmqsa1xw.vwe.ps1

          • Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_mmqsa1xw.vwe.ps1
          • Size 60B
          • SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
          • MD5 SHA1 SHA512

          tmp6C42.tmp

          • Path C:\Users\Admin\AppData\Local\Temp\tmp6C42.tmp
          • Size 1KB
          • SHA256 71060c5200ac88bdad8ed3a48108b4a8402c629588973c1872bb7978d80c63d3
          • MD5 SHA1 SHA512

          cEWmhUUtRFdk.exe

          • Path C:\Users\Admin\AppData\Roaming\cEWmhUUtRFdk.exe
          • Size 556KB
          • SHA256 8ae85132b8b81d6278e254109515f631c388104e2297a8aa63ba77d00ce85432
          • MD5 SHA1 SHA512 SSDEEP

          memory/216-151-0x00000000706B0000-0x00000000706FC000-memory.dmp

          memory/1380-115-0x00000000706B0000-0x00000000706FC000-memory.dmp

          memory/1592-133-0x0000000007440000-0x0000000007454000-memory.dmp

          memory/1592-104-0x0000000005F00000-0x0000000005F4C000-memory.dmp

          memory/1592-91-0x0000000005A30000-0x0000000005D84000-memory.dmp

          memory/1592-106-0x00000000706B0000-0x00000000706FC000-memory.dmp

          memory/1592-114-0x0000000007110000-0x00000000071B3000-memory.dmp

          memory/1592-124-0x0000000007400000-0x0000000007411000-memory.dmp

          memory/2676-19-0x00000000050B0000-0x00000000050D2000-memory.dmp

          memory/2676-20-0x0000000005890000-0x00000000058F6000-memory.dmp

          memory/2676-75-0x00000000076C0000-0x00000000076DA000-memory.dmp

          memory/2676-36-0x0000000005AA0000-0x0000000005DF4000-memory.dmp

          memory/2676-21-0x0000000005A30000-0x0000000005A96000-memory.dmp

          memory/2676-39-0x0000000006060000-0x000000000607E000-memory.dmp

          memory/2676-40-0x0000000006080000-0x00000000060CC000-memory.dmp

          memory/2676-73-0x00000000075B0000-0x00000000075BE000-memory.dmp

          memory/2676-13-0x0000000004AB0000-0x0000000004AE6000-memory.dmp

          memory/2676-45-0x00000000750E0000-0x000000007512C000-memory.dmp

          memory/2676-14-0x0000000004BB0000-0x0000000004BC0000-memory.dmp

          memory/2676-17-0x00000000051F0000-0x0000000005818000-memory.dmp

          memory/2676-76-0x00000000076A0000-0x00000000076A8000-memory.dmp

          memory/3180-159-0x00000000706B0000-0x00000000706FC000-memory.dmp

          memory/4316-7-0x00000000056D0000-0x00000000056E0000-memory.dmp

          memory/4316-5-0x0000000005A10000-0x0000000005AAC000-memory.dmp

          memory/4316-1-0x0000000005BD0000-0x0000000006174000-memory.dmp

          memory/4316-2-0x0000000005710000-0x00000000057A2000-memory.dmp

          memory/4316-3-0x00000000056D0000-0x00000000056E0000-memory.dmp

          memory/4316-0-0x0000000000CA0000-0x0000000000D2E000-memory.dmp

          memory/4316-4-0x00000000057E0000-0x00000000057EA000-memory.dmp

          memory/4316-8-0x0000000003000000-0x000000000304C000-memory.dmp

          memory/4316-6-0x00000000062A0000-0x00000000062BA000-memory.dmp

          memory/4628-80-0x0000000006060000-0x000000000606E000-memory.dmp

          memory/4628-81-0x00000000062F0000-0x00000000062FE000-memory.dmp

          memory/4628-82-0x0000000006D10000-0x0000000007060000-memory.dmp

          memory/4628-127-0x0000000008540000-0x00000000086E8000-memory.dmp

          memory/4628-132-0x0000000006750000-0x0000000006760000-memory.dmp

          memory/4628-22-0x0000000000400000-0x000000000040E000-memory.dmp

          memory/4780-61-0x00000000070B0000-0x0000000007153000-memory.dmp

          memory/4780-43-0x0000000007070000-0x00000000070A2000-memory.dmp

          memory/4780-60-0x0000000006410000-0x000000000642E000-memory.dmp

          memory/4780-44-0x00000000750E0000-0x000000007512C000-memory.dmp

          memory/4780-16-0x0000000004B30000-0x0000000004B40000-memory.dmp

          memory/4780-15-0x0000000004B30000-0x0000000004B40000-memory.dmp

          memory/4780-67-0x00000000071F0000-0x00000000071FA000-memory.dmp

          memory/4780-65-0x00000000077E0000-0x0000000007E5A000-memory.dmp

          memory/4780-74-0x00000000073C0000-0x00000000073D4000-memory.dmp

          memory/4780-66-0x0000000007180000-0x000000000719A000-memory.dmp

          memory/4780-69-0x0000000007380000-0x0000000007391000-memory.dmp

          memory/4780-68-0x0000000007400000-0x0000000007496000-memory.dmp