Overview

overview

10

Static

static

5

027cc450ef...45.dll

windows11-ltsc_2024-x64

10

Analysis

  • user interaction
    yes
  • max time kernel
    30s
  • max time network
    24s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260911-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    06/11/2026, 14:00

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General

  • Target
    027cc450ef5f8c5f653329641ec1fed91f694e0d229928963b30f6b0d7d3a745.dll
  • Size 353KB
  • Sample261106-rbfbcsc16m
  • SHA256 027cc450ef5f8c5f653329641ec1fed91f694e0d229928963b30f6b0d7d3a745
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
bootkitdefense_evasiondiscoveryexecutionmimikatzpersistencespywarestealer

Malware Config

Signatures

  • Family: Mimikatz

    mimikatz is an open source tool to dump credentials on Windows.

    mimikatz
  • mimikatz is an open source tool to dump credentials on Windows 1 IoCs
  • Deletes itself 1 TTPs 1 IoCs
    defense_evasion
  • Executes dropped EXE 1 IoCs
  • Reads user/profile data of web browsers 3 TTPs

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

    spywarestealer
  • Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs

    Bootkits write to the MBR to gain persistence at a level below the operating system.

    bootkitpersistence
  • Drops file in Program Files directory 64 IoCs
  • Drops file in Windows directory 2 IoCs
  • Direct Volume Access: Opens a physical disk for reading 1 TTPs 1 IoCs

    Opens a raw handle to a physical disk, which bypasses file system access controls and is used for disk inspection, anti-VM checks and privilege checks.

    defense_evasion
  • System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

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

    discovery
  • Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

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

    persistenceexecution
  • Suspicious behavior: EnumeratesProcesses 8 IoCs
  • Suspicious behavior: LoadsDriver 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\027cc450ef5f8c5f653329641ec1fed91f694e0d229928963b30f6b0d7d3a745.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4108
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\027cc450ef5f8c5f653329641ec1fed91f694e0d229928963b30f6b0d7d3a745.dll,#1
      2⤵
      • Deletes itself
      • Writes to the Master Boot Record (MBR)
      • Drops file in Program Files directory
      • Drops file in Windows directory
      • Direct Volume Access: Opens a physical disk for reading
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2952
      • C:\Windows\SysWOW64\cmd.exe
        /c schtasks /Create /SC once /TN "" /TR "C:\Windows\system32\shutdown.exe /r /f" /ST 15:04
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:3652
        • C:\Windows\SysWOW64\schtasks.exe
          schtasks /Create /SC once /TN "" /TR "C:\Windows\system32\shutdown.exe /r /f" /ST 15:04
          4⤵
          • System Location Discovery: System Language Discovery
          • Scheduled Task/Job: Scheduled Task
          PID:2960
      • C:\Users\Admin\AppData\Local\Temp\67D8.tmp
        "C:\Users\Admin\AppData\Local\Temp\67D8.tmp" \\.\pipe\{FDCBCFF7-7A0C-435E-BE6A-3A5483F4D886}
        3⤵
        • Executes dropped EXE
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:2624

Network

        MITRE ATT&CK Enterprise v16

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        Downloads

        67D8.tmp
        • Path C:\Users\Admin\AppData\Local\Temp\67D8.tmp
        • Size 55KB
        • SHA256 02ef73bd2458627ed7b397ec26ee2de2e92c71a0e7588f78734761d8edbdcd9f
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        memory/2952-0-0x0000000002800000-0x000000000285E000-memory.dmp
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        memory/2952-7-0x0000000002800000-0x000000000285E000-memory.dmp
        Download

        memory/2952-8-0x0000000002800000-0x000000000285E000-memory.dmp
        Download

        memory/2952-10-0x0000000002800000-0x000000000285E000-memory.dmp
        Download

        memory/2952-21-0x0000000002800000-0x000000000285E000-memory.dmp
        Download