Analysis

  • max time kernel
    31s
  • max time network
    54s
  • platform
    windows7_x64
  • resource
    win7v20210410
  • submitted
    30-06-2021 19:48

General

  • Target

    idu567.tmp.dll

  • Size

    1.6MB

  • MD5

    18c3793f2df5ae48b55a9a1825b1c1fb

  • SHA1

    8e90dc300bb91dd6ce57566116b156e3473cf646

  • SHA256

    43e35aa1486b2cd51237520eb1b0b02fb46f0f3b135622e66b7438684429441c

  • SHA512

    1ebe4bbb0fd571e5d712e52b47012de1eb587008a59e1e1f3fe69ae8a9637e5466d9d8c2c0887d733734f77909e5530307c564b2218b895b88657455e49a47a0

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\idu567.tmp.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1916
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\idu567.tmp.dll,#1
      2⤵
      • Suspicious use of SetThreadContext
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of WriteProcessMemory
      PID:1184
      • C:\Windows\system32\WerFault.exe
        C:\Windows\system32\WerFault.exe
        3⤵
          PID:1764

    Network

    MITRE ATT&CK Matrix

    Replay Monitor

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    Downloads

    • memory/1184-59-0x0000000000000000-mapping.dmp
    • memory/1184-60-0x0000000074FB1000-0x0000000074FB3000-memory.dmp
      Filesize

      8KB

    • memory/1184-61-0x00000000743A0000-0x000000007442A000-memory.dmp
      Filesize

      552KB

    • memory/1184-62-0x00000000743A0000-0x00000000745E3000-memory.dmp
      Filesize

      2.3MB

    • memory/1184-65-0x0000000000170000-0x0000000000171000-memory.dmp
      Filesize

      4KB

    • memory/1764-63-0x0000000000000000-mapping.dmp
    • memory/1764-64-0x000007FEFB741000-0x000007FEFB743000-memory.dmp
      Filesize

      8KB

    • memory/1764-66-0x0000000000100000-0x0000000000101000-memory.dmp
      Filesize

      4KB

    • memory/1764-67-0x0000000001BF0000-0x0000000001CBA000-memory.dmp
      Filesize

      808KB