Analysis

  • max time kernel
    21s
  • max time network
    11s
  • platform
    windows7_x64
  • resource
    win7v20210410
  • submitted
    16-07-2021 20:38

General

  • Target

    zdnDE6F.tmp.dll

  • Size

    1.3MB

  • MD5

    108b97c82934dd23e8d7cd9534ad2685

  • SHA1

    991d8933b8afe85c743321050c63c34dad9eb69a

  • SHA256

    e5645c71f642f457348025cca404a3e756f91b0ae418cebae622935cea1707f6

  • SHA512

    0e902f5e0a34326e14d1df413265fa3057094091897b4e3c3e7e34eec511cfbdf9d99b4a9c1efc537f0ea977c0bcc38683fff9cbb4acb6a25e680c9c0931e0fc

Score
10/10

Malware Config

Signatures

  • DarkVNC

    DarkVNC is a malicious version of the famous VNC software.

  • DarkVNC Payload 3 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\zdnDE6F.tmp.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1240
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\zdnDE6F.tmp.dll,#1
      2⤵
      • Suspicious use of SetThreadContext
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of WriteProcessMemory
      PID:1076
      • C:\Windows\system32\WerFault.exe
        C:\Windows\system32\WerFault.exe
        3⤵
          PID:1624

    Network

    MITRE ATT&CK Matrix

    Replay Monitor

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    Downloads

    • memory/1076-60-0x00000000752B1000-0x00000000752B3000-memory.dmp

      Filesize

      8KB

    • memory/1076-62-0x00000000741B0000-0x0000000074397000-memory.dmp

      Filesize

      1.9MB

    • memory/1076-61-0x00000000741B0000-0x000000007423A000-memory.dmp

      Filesize

      552KB

    • memory/1076-65-0x00000000001F0000-0x00000000001F1000-memory.dmp

      Filesize

      4KB

    • memory/1624-64-0x000007FEFB591000-0x000007FEFB593000-memory.dmp

      Filesize

      8KB

    • memory/1624-66-0x0000000000180000-0x0000000000181000-memory.dmp

      Filesize

      4KB

    • memory/1624-67-0x0000000001B80000-0x0000000001C4A000-memory.dmp

      Filesize

      808KB