Analysis

  • max time kernel
    149s
  • max time network
    155s
  • platform
    windows11-21h2_x64
  • resource
    win11-20251015-en
  • resource tags

    arch:x64arch:x86image:win11-20251015-enlocale:en-usos:windows11-21h2-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

  • 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.

  • Drops startup file 2 IoCs
  • Executes dropped EXE 5 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 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 18 IoCs
  • Suspicious use of AdjustPrivilegeToken 12 IoCs
  • Suspicious use of WriteProcessMemory 24 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\8ae85132b8b81d6278e254109515f631c388104e2297a8aa63ba77d00ce85432.exe
    "C:\Users\Admin\AppData\Local\Temp\8ae85132b8b81d6278e254109515f631c388104e2297a8aa63ba77d00ce85432.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3276
    • 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:4236
    • 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:4232
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\cEWmhUUtRFdk" /XML "C:\Users\Admin\AppData\Local\Temp\tmpACCA.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:2704
    • C:\Users\Admin\AppData\Local\Temp\8ae85132b8b81d6278e254109515f631c388104e2297a8aa63ba77d00ce85432.exe
      "C:\Users\Admin\AppData\Local\Temp\8ae85132b8b81d6278e254109515f631c388104e2297a8aa63ba77d00ce85432.exe"
      2⤵
      • Drops startup file
      • Adds Run key to start application
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      PID:4976
  • C:\Users\Admin\AppData\Roaming\cEWmhUUtRFdk.exe
    C:\Users\Admin\AppData\Roaming\cEWmhUUtRFdk.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:2252
    • 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:5620
    • 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:3148
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\cEWmhUUtRFdk" /XML "C:\Users\Admin\AppData\Local\Temp\tmpF627.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:5916
    • 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:2084
  • C:\XWormClient.exe
    C:\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:5456
    • 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:6016
    • 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:736
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\cEWmhUUtRFdk" /XML "C:\Users\Admin\AppData\Local\Temp\tmpFD1D.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:4676
    • C:\XWormClient.exe
      "C:\XWormClient.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      PID:3536
  • C:\XWormClient.exe
    \XWormClient.exe
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    PID:4960

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 4c17576f64dea465c45a50573ee41771f7be9962ab2d07f961af4df5589bdcce
        • MD5 SHA1 SHA512

        powershell.exe.log

        • Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log
        • Size 2KB
        • SHA256 e39062a62c3c7617feeeff95ea8a0be51104a0d36f46e44eea22556fda74d8d9
        • MD5 SHA1 SHA512

        StartupProfileData-NonInteractive

        • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
        • Size 18KB
        • SHA256 52520ec9d56c4f43b10475b6ce7cb33683fd49dead30fbb11e74e07a7d4fac18
        • MD5 SHA1 SHA512 SSDEEP

        StartupProfileData-NonInteractive

        • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
        • Size 18KB
        • SHA256 ae223ff74c2d9035cd9609a780bca46c89e00b87721014d8f6f4889f3588c382
        • MD5 SHA1 SHA512 SSDEEP

        StartupProfileData-NonInteractive

        • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
        • Size 18KB
        • SHA256 c0280436247dd4fa044edf18bcd99e8779a322b80cac96080a0c13d00804b5d5
        • MD5 SHA1 SHA512 SSDEEP

        StartupProfileData-NonInteractive

        • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
        • Size 18KB
        • SHA256 c45e65ce1b7e41e4dd5bcf202491179aea5dd796cf3397175072d490fa6e41c8
        • MD5 SHA1 SHA512 SSDEEP

        __PSScriptPolicyTest_oi0aez3a.15d.ps1

        • Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_oi0aez3a.15d.ps1
        • Size 60B
        • SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
        • MD5 SHA1 SHA512

        tmpACCA.tmp

        • Path C:\Users\Admin\AppData\Local\Temp\tmpACCA.tmp
        • Size 1KB
        • SHA256 3a5d1da525f1ef76a7f7715e1c709277ab1cadd89682120a4270d1842ce0225f
        • MD5 SHA1 SHA512

        cEWmhUUtRFdk.exe

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

        memory/736-135-0x0000000071230000-0x000000007127C000-memory.dmp

        memory/3148-109-0x0000000071230000-0x000000007127C000-memory.dmp

        memory/3148-134-0x0000000007B50000-0x0000000007B65000-memory.dmp

        memory/3276-0-0x00000000003F0000-0x000000000047E000-memory.dmp

        memory/3276-5-0x0000000005250000-0x00000000052EC000-memory.dmp

        memory/3276-8-0x0000000004940000-0x000000000498C000-memory.dmp

        memory/3276-6-0x0000000005400000-0x000000000541A000-memory.dmp

        memory/3276-7-0x00000000051A0000-0x00000000051B0000-memory.dmp

        memory/3276-4-0x0000000004F20000-0x0000000004F2A000-memory.dmp

        memory/3276-3-0x00000000051A0000-0x00000000051B0000-memory.dmp

        memory/3276-2-0x0000000004F40000-0x0000000004FD2000-memory.dmp

        memory/3276-1-0x00000000054F0000-0x0000000005A96000-memory.dmp

        memory/4232-17-0x0000000002720000-0x0000000002730000-memory.dmp

        memory/4232-51-0x0000000072570000-0x00000000725BC000-memory.dmp

        memory/4232-18-0x0000000002720000-0x0000000002730000-memory.dmp

        memory/4232-65-0x0000000007430000-0x00000000074C6000-memory.dmp

        memory/4232-61-0x00000000071A0000-0x00000000071BA000-memory.dmp

        memory/4236-73-0x0000000007320000-0x0000000007328000-memory.dmp

        memory/4236-72-0x0000000007340000-0x000000000735A000-memory.dmp

        memory/4236-58-0x0000000006EA0000-0x0000000006F44000-memory.dmp

        memory/4236-43-0x0000000072570000-0x00000000725BC000-memory.dmp

        memory/4236-60-0x0000000007620000-0x0000000007C9A000-memory.dmp

        memory/4236-42-0x0000000006250000-0x0000000006284000-memory.dmp

        memory/4236-64-0x0000000007050000-0x000000000705A000-memory.dmp

        memory/4236-37-0x0000000005770000-0x0000000005AC7000-memory.dmp

        memory/4236-66-0x00000000071F0000-0x0000000007201000-memory.dmp

        memory/4236-70-0x0000000007220000-0x000000000722E000-memory.dmp

        memory/4236-71-0x0000000007230000-0x0000000007245000-memory.dmp

        memory/4236-39-0x0000000005CC0000-0x0000000005D0C000-memory.dmp

        memory/4236-38-0x0000000005C80000-0x0000000005C9E000-memory.dmp

        memory/4236-50-0x0000000006E80000-0x0000000006E9E000-memory.dmp

        memory/4236-20-0x0000000004DF0000-0x0000000004E12000-memory.dmp

        memory/4236-15-0x0000000004B00000-0x0000000004B10000-memory.dmp

        memory/4236-14-0x0000000004B00000-0x0000000004B10000-memory.dmp

        memory/4236-23-0x0000000004F00000-0x0000000004F66000-memory.dmp

        memory/4236-13-0x0000000002470000-0x00000000024A6000-memory.dmp

        memory/4236-16-0x0000000005140000-0x000000000576A000-memory.dmp

        memory/4236-21-0x0000000004E90000-0x0000000004EF6000-memory.dmp

        memory/4976-22-0x0000000000400000-0x000000000040E000-memory.dmp

        memory/5620-124-0x00000000078B0000-0x00000000078C1000-memory.dmp

        memory/5620-108-0x0000000007580000-0x0000000007624000-memory.dmp

        memory/5620-101-0x0000000071230000-0x000000007127C000-memory.dmp

        memory/5620-98-0x0000000006340000-0x000000000638C000-memory.dmp

        memory/5620-87-0x0000000005D40000-0x0000000006097000-memory.dmp

        memory/6016-142-0x0000000071230000-0x000000007127C000-memory.dmp