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Analysis

  • max time kernel
    94s
  • max time network
    148s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    02/12/2024, 20:13

General

  • Target

    ServerCertificate.p12

  • Size

    1KB

  • MD5

    fd7325f2ee4701b301b32f334ea68f6b

  • SHA1

    7b6fb952296069aa735573f4040aedb5fe42b21b

  • SHA256

    ae005aa9e6bc53ffbce04c90f5160124cc6944d2959f1e1a46e3d7626d9cb5a6

  • SHA512

    6d1fac63a963ce8c680aae2462ee406b6c370949e64061cc7c8925bc8c928d52b51173e977327ff1b093d68492f3ea2fe6e1be08f38876edf46873912906a654

Score
7/10

Malware Config

Signatures

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Drops file in System32 directory 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 2 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    C:\Windows\system32\rundll32.exe cryptext.dll,CryptExtOpenPFX C:\Users\Admin\AppData\Local\Temp\ServerCertificate.p12
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:4532
    • C:\Windows\System32\mmc.exe
      "C:\Windows\System32\mmc.exe" C:\Windows\system32\certmgr.msc /certmgr:FileName="C:\Users\Admin\AppData\Local\Temp\ServerCertificate.p12"
      2⤵
      • Drops file in System32 directory
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:2516

Network

MITRE ATT&CK Enterprise v15

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Downloads