Overview

overview

5

Static

static

1

gmpopenh264.dll

windows7-x64

1

gmpopenh264.dll

windows10-2004-x64

5

gmpopenh264.info

windows7-x64

3

gmpopenh264.info

windows10-2004-x64

3

Analysis

  • max time kernel
    219s
  • max time network
    203s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240426-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
  • submitted
    03-05-2024 04:04

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General

  • Target

    gmpopenh264.dll

  • Size

    997KB

  • MD5

    fe3355639648c417e8307c6d051e3e37

  • SHA1

    f54602d4b4778da21bc97c7238fc66aa68c8ee34

  • SHA256

    1ed7877024be63a049da98733fd282c16bd620530a4fb580dacec3a78ace914e

  • SHA512

    8f4030bb2464b98eccbea6f06eb186d7216932702d94f6b84c56419e9cf65a18309711ab342d1513bf85aed402bc3535a70db4395874828f0d35c278dd2eac9c

  • SSDEEP

    12288:vYLdTfFKbNSjv92eFN+3wH+NYriA0Iq6lh6VawYIpAvwHN/Uf1h47HAfg1oet:vYLdTZ923NYrjwNpgwef1hzfg1x

Score
5/10

Malware Config

Signatures

  • Drops file in System32 directory 1 IoCs
  • Checks processor information in registry 2 TTPs 2 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Runs net.exe
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious behavior: SetClipboardViewer 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of SetWindowsHookEx 20 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\gmpopenh264.dll,#1
    1⤵
      PID:3556
    • C:\Windows\System32\rundll32.exe
      C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
      1⤵
        PID:440
      • C:\Windows\system32\svchost.exe
        C:\Windows\system32\svchost.exe -k LocalService -p -s fdPHost
        1⤵
          PID:4428
        • C:\Windows\system32\cmd.exe
          "C:\Windows\system32\cmd.exe"
          1⤵
          • Suspicious use of WriteProcessMemory
          PID:3556
          • C:\Windows\system32\net.exe
            net user
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:1352
            • C:\Windows\system32\net1.exe
              C:\Windows\system32\net1 user
              3⤵
                PID:4432
            • C:\Windows\system32\net.exe
              net use
              2⤵
                PID:624
            • C:\Windows\system32\perfmon.exe
              "C:\Windows\system32\perfmon.exe" /res
              1⤵
              • Checks processor information in registry
              • Suspicious behavior: EnumeratesProcesses
              • Suspicious use of AdjustPrivilegeToken
              PID:4932
            • C:\Windows\system32\mmc.exe
              "C:\Windows\system32\mmc.exe" "C:\Windows\system32\perfmon.msc" /s
              1⤵
              • Drops file in System32 directory
              • Suspicious behavior: EnumeratesProcesses
              • Suspicious use of AdjustPrivilegeToken
              • Suspicious use of SetWindowsHookEx
              PID:536
            • C:\Windows\system32\mmc.exe
              "C:\Windows\system32\mmc.exe"
              1⤵
              • Suspicious behavior: GetForegroundWindowSpam
              • Suspicious behavior: SetClipboardViewer
              • Suspicious use of AdjustPrivilegeToken
              • Suspicious use of SetWindowsHookEx
              PID:1028

            Network

            MITRE ATT&CK Enterprise v15

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