Analysis

  • max time kernel
    149s
  • max time network
    141s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260513-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    18/08/2026, 06:55

General

  • Target
    ZgTZ3L1tlr2M3fe.exe
  • Size 3.2MB
  • Sample260818-hpt71afp21
  • SHA256 366e9dc605701e0f251fe27362975961c6da960f4da262eb9a1693bbd9bf318a
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Credentials
  • Protocol

    smtp

  • Host

    mail.theearlybrain.com

  • Port

    587

  • Password

    Hope0515!

Signatures

  • Command and Scripting Interpreter: PowerShell 1 TTPs 3 IoCs

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

  • Checks computer location settings 2 TTPs 2 IoCs

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

  • Executes dropped EXE 2 IoCs
  • 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 1 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Looks up external IP address via web service 1 TTPs 1 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

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

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

  • Checks processor information in registry 2 TTPs 2 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Suspicious behavior: EnumeratesProcesses 51 IoCs
  • Suspicious use of AdjustPrivilegeToken 7 IoCs
  • Suspicious use of WriteProcessMemory 25 IoCs
  • outlook_office_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\ZgTZ3L1tlr2M3fe.exe
    "C:\Users\Admin\AppData\Local\Temp\ZgTZ3L1tlr2M3fe.exe"
    1⤵
    • Checks computer location settings
    • Adds Run key to start application
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1384
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\ZgTZ3L1tlr2M3fe.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1260
    • C:\Users\Admin\AppData\Local\Temp\ZgTZ3L1tlr2M3fe.exe
      C:\Users\Admin\AppData\Local\Temp\ZgTZ3L1tlr2M3fe.exe
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious use of SetThreadContext
      • Checks processor information in registry
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      • outlook_office_path
      PID:1148
      • C:\Windows\System32\rundll32.exe
        "C:\Windows\System32\rundll32.exe" all -k --output-path "C:\Users\Admin\AppData\Local\Temp\0f6494d30e6bdf637df4515452c8c7d5"
        3⤵
          PID:1708
        • C:\Windows\System32\rundll32.exe
          "C:\Windows\System32\rundll32.exe" all -k --output-path "C:\Users\Admin\AppData\Local\Temp\0f6494d30e6bdf637df4515452c8c7d5"
          3⤵
            PID:4824
      • C:\Windows\system32\WindowsPowerShell\v1.0\powershell.exe
        "C:\Windows\system32\WindowsPowerShell\v1.0\powershell.exe" -NoProfile -ExecutionPolicy Bypass -WindowStyle Hidden -Command "$zqkvyg=$env:COMPUTERNAME;$auxrsd=([System.Text.Encoding]::UTF8.GetString([System.Convert]::FromBase64String('U3RhcnQtUHJvY2Vzcw==')));$vwjs54=9408;$nllgp1=([System.Text.Encoding]::UTF8.GetString([System.Convert]::FromBase64String('QzpcVXNlcnNcQWRtaW5cQXBwRGF0YVxSb2FtaW5nXHRTUFJtUFFDSS5leGU=')));$zqkvyg=$env:COMPUTERNAME;& $auxrsd -FilePath $nllgp1"
        1⤵
        • Command and Scripting Interpreter: PowerShell
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:4084
        • C:\Users\Admin\AppData\Roaming\tSPRmPQCI.exe
          "C:\Users\Admin\AppData\Roaming\tSPRmPQCI.exe"
          2⤵
          • Checks computer location settings
          • Executes dropped EXE
          • Suspicious use of SetThreadContext
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of WriteProcessMemory
          PID:4768
          • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
            "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\tSPRmPQCI.exe"
            3⤵
            • Command and Scripting Interpreter: PowerShell
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            PID:3992
          • C:\Users\Admin\AppData\Roaming\tSPRmPQCI.exe
            C:\Users\Admin\AppData\Roaming\tSPRmPQCI.exe
            3⤵
            • Executes dropped EXE
            • Suspicious use of AdjustPrivilegeToken
            PID:2468

      Network

            MITRE ATT&CK Enterprise v16

            Replay Monitor

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            Downloads

            powershell.exe.log

            • Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\powershell.exe.log
            • Size 4KB
            • SHA256 e3274ce8296f2cd20e3189576fbadbfa0f1817cdf313487945c80e968589a495
            • MD5 SHA1 SHA512 SSDEEP TLSH

            tSPRmPQCI.exe.log

            • Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\tSPRmPQCI.exe.log
            • Size 1KB
            • SHA256 abfc56372bee93b3c083a66ac449e55f824c5ef64cbb87d656011cc0ff1ec6c1
            • MD5 SHA1 SHA512 TLSH

            StartupProfileData-NonInteractive

            • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
            • Size 1KB
            • SHA256 2f0137e4a43c3a35de54bad2805a5e8a4796c83cf560843600c013a00880284f
            • MD5 SHA1 SHA512 TLSH

            __PSScriptPolicyTest_0mpilein.q1c.ps1

            • Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_0mpilein.q1c.ps1
            • Size 60B
            • SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
            • MD5 SHA1 SHA512 TLSH

            tSPRmPQCI.exe

            • Path C:\Users\Admin\AppData\Roaming\tSPRmPQCI.exe
            • Size 3.2MB
            • SHA256 366e9dc605701e0f251fe27362975961c6da960f4da262eb9a1693bbd9bf318a
            • MD5 SHA1 SHA512 SSDEEP TLSH

            memory/1148-61-0x00000223DB100000-0x00000223DB110000-memory.dmp

            memory/1148-85-0x00000223F42A0000-0x00000223F4462000-memory.dmp

            memory/1148-11-0x00000223DB100000-0x00000223DB110000-memory.dmp

            memory/1148-9-0x0000000140000000-0x000000014025C000-memory.dmp

            memory/1148-87-0x00000223F41D0000-0x00000223F4220000-memory.dmp

            memory/1148-86-0x00000223F4150000-0x00000223F41C6000-memory.dmp

            memory/1260-29-0x000001D0EE540000-0x000001D0EE54A000-memory.dmp

            memory/1260-28-0x000001D0EE870000-0x000001D0EE925000-memory.dmp

            memory/1260-30-0x000001D0EEA90000-0x000001D0EEAAC000-memory.dmp

            memory/1260-38-0x000001D0EE550000-0x000001D0EE55A000-memory.dmp

            memory/1260-39-0x000001D0EEAB0000-0x000001D0EEACA000-memory.dmp

            memory/1260-40-0x000001D0EEA70000-0x000001D0EEA78000-memory.dmp

            memory/1260-41-0x000001D0EEA80000-0x000001D0EEA86000-memory.dmp

            memory/1260-42-0x000001D0EEAD0000-0x000001D0EEADA000-memory.dmp

            memory/1260-27-0x000001D0EE850000-0x000001D0EE86C000-memory.dmp

            memory/1260-17-0x000001D0EE3E0000-0x000001D0EE402000-memory.dmp

            memory/1384-3-0x0000027A399F0000-0x0000027A39A00000-memory.dmp

            memory/1384-2-0x0000027A399D0000-0x0000027A399F4000-memory.dmp

            memory/1384-0-0x0000027A1E910000-0x0000027A1EC4C000-memory.dmp

            memory/1384-5-0x0000027A399F0000-0x0000027A39A00000-memory.dmp

            memory/1384-1-0x0000027A399F0000-0x0000027A39A00000-memory.dmp

            memory/1384-4-0x0000027A3A990000-0x0000027A3AC8A000-memory.dmp

            memory/1708-51-0x0000000040000000-0x00000000401F5000-memory.dmp

            memory/1708-55-0x0000000040000000-0x00000000401F5000-memory.dmp

            memory/1708-56-0x000001D2C7AE0000-0x000001D2C7B40000-memory.dmp

            memory/1708-57-0x000001D2C7AE0000-0x000001D2C7B40000-memory.dmp

            memory/3992-83-0x0000020A5A8E0000-0x0000020A5A995000-memory.dmp

            memory/4768-50-0x000001F0AEF90000-0x000001F0AEFB4000-memory.dmp

            memory/4768-67-0x000001F0C7800000-0x000001F0C78B0000-memory.dmp

            memory/4768-62-0x000001F0C7800000-0x000001F0C78B0000-memory.dmp

            memory/4824-94-0x000001ACBB2B0000-0x000001ACBB310000-memory.dmp

            memory/4824-93-0x000001ACBB2B0000-0x000001ACBB310000-memory.dmp