Overview

overview

10

Static

static

3

Secur32.dll

windows10-2004-x64

7

Secur32.dll

windows11-ltsc_2024-x64

7

Tax-Number735863.exe

windows10-2004-x64

10

msvcp140.dll

windows10-2004-x64

1

msvcp140.dll

windows11-ltsc_2024-x64

1

ucrtbase.dll

windows10-2004-x64

1

vcruntime140.dll

windows10-2004-x64

1

vcruntime140.dll

windows11-ltsc_2024-x64

1

vcruntime140_1.dll

windows10-2004-x64

1

vcruntime140_1.dll

windows11-ltsc_2024-x64

1

Analysis

  • max time kernel
    150s
  • max time network
    142s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    23/07/2026, 06:26

Sharing

Copy URL Twitter E-mail
Report Analysis Logs

General

  • Target
    Secur32.dll
  • Size 481.2MB
  • Sample260723-g7fxnahd75
  • SHA256 5c373876a8809d503a329b528f44ec6cbaa2eae834b560be0ea819ce532dc4e6
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
7/10

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Suspicious behavior: LoadsDriver 1 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\Secur32.dll,#1
    1⤵
      PID:5064
    • C:\Windows\Temp\DCRCVDrv.sys
      C:\Windows\Temp\DCRCVDrv.sys
      1⤵
      • Executes dropped EXE
      PID:5916

    Network

          MITRE ATT&CK Matrix

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          DCRCVDrv.sys
          • Path C:\Windows\Temp\DCRCVDrv.sys
          • Size 137KB
          • SHA256 87e8d39db624f37d3e77aedf487a2dfd197f71a4730ea74f4e7a4341deaec2ff
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          memory/5916-2-0x0000000000010000-0x000000000003D000-memory.dmp
          Download