Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    windows11-21h2_x64
  • resource
    win11-20260513-en
  • resource tags

    arch:x64arch:x86image:win11-20260513-enlocale:en-usos:windows11-21h2-x64systemwindows
  • submitted
    04/06/2026, 12:22

General

  • Target
    Sectigo_MS_Agent.exe
  • Size 669KB
  • Sample260604-pkbcnaev9y
  • SHA256 91969a5bf69ec34080cb58604b0e0e49301502512e110a1ac01ee0dba9aae5ae
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
4/10

Malware Config

Signatures

  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious use of WriteProcessMemory 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Sectigo_MS_Agent.exe
    "C:\Users\Admin\AppData\Local\Temp\Sectigo_MS_Agent.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:5024
    • C:\Windows\Temp\{598DF98E-7F73-4CA3-9DB8-FEF811ED4AE6}\.cr\Sectigo_MS_Agent.exe
      "C:\Windows\Temp\{598DF98E-7F73-4CA3-9DB8-FEF811ED4AE6}\.cr\Sectigo_MS_Agent.exe" -burn.clean.room="C:\Users\Admin\AppData\Local\Temp\Sectigo_MS_Agent.exe" -burn.filehandle.attached=724 -burn.filehandle.self=728
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      PID:4216

Network

        MITRE ATT&CK Enterprise v16

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        Downloads

        logo.png

        • Path C:\Windows\Temp\{54968B33-CDF2-4C4E-8983-93AEFB59F4DE}\.ba\logo.png
        • Size 17KB
        • SHA256 080d5308c29b8bdbaad4b0833b046774ed731e06c1a01818b1813dfe40d0646f
        • MD5 SHA1 SHA512 SSDEEP TLSH

        wixstdba.dll

        • Path C:\Windows\Temp\{54968B33-CDF2-4C4E-8983-93AEFB59F4DE}\.ba\wixstdba.dll
        • Size 184KB
        • SHA256 2bea14d70943a42d344e09b7c9de5562fa7e109946e1c615dd584da30d06cc80
        • MD5 SHA1 SHA512 SSDEEP TLSH

        Sectigo_MS_Agent.exe

        • Path C:\Windows\Temp\{598DF98E-7F73-4CA3-9DB8-FEF811ED4AE6}\.cr\Sectigo_MS_Agent.exe
        • Size 669KB
        • SHA256 91969a5bf69ec34080cb58604b0e0e49301502512e110a1ac01ee0dba9aae5ae
        • MD5 SHA1 SHA512 SSDEEP TLSH