Analysis

  • max time kernel
    85s
  • max time network
    107s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230621-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230621-enlocale:en-usos:windows10-2004-x64system
  • submitted
    29-06-2023 21:59

General

  • Target

    4bc3d95ee8661f7d381b2ceb6cb4a6e9759d7d0f9d883b44528b0f9c0aa559a2.dll

  • Size

    726KB

  • MD5

    09dd5cbeaaad7dbbb55247f88d8f47ff

  • SHA1

    fefb2c4364209dd3570d567cc65748000045d889

  • SHA256

    4bc3d95ee8661f7d381b2ceb6cb4a6e9759d7d0f9d883b44528b0f9c0aa559a2

  • SHA512

    367481d9a0b3da881019f527117822532b97cddf648db4962bbd363e77d895a960d09c3da94cb115583b273c2bc812b5db196232c183d11e454edd466fe470cd

  • SSDEEP

    12288:YGKKDADhi+Da3rIByJ13pRxd1sPHyrrKHS1sPHyrW:YGKKDADh7DKrIBg1ZRxd1EHyrrKHS1EV

Score
6/10

Malware Config

Signatures

  • Adds Run key to start application 2 TTPs 2 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 1 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\4bc3d95ee8661f7d381b2ceb6cb4a6e9759d7d0f9d883b44528b0f9c0aa559a2.dll, DllRegisterServer
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:5048
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\4bc3d95ee8661f7d381b2ceb6cb4a6e9759d7d0f9d883b44528b0f9c0aa559a2.dll, DllRegisterServer
      2⤵
      • Suspicious use of SetThreadContext
      • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
      • Suspicious use of WriteProcessMemory
      PID:5016
      • C:\Windows\SysWOW64\SndVol.exe
        "C:\Windows\SysWOW64\SndVol.exe"
        3⤵
        • Adds Run key to start application
        • Suspicious behavior: EnumeratesProcesses
        PID:644

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/644-133-0x0000000000520000-0x000000000052F000-memory.dmp

    Filesize

    60KB

  • memory/644-137-0x0000000000520000-0x000000000052F000-memory.dmp

    Filesize

    60KB

  • memory/644-140-0x0000000000520000-0x000000000052F000-memory.dmp

    Filesize

    60KB