Analysis

  • max time kernel
    152s
  • max time network
    173s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20221111-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
  • submitted
    30-11-2022 22:01

General

  • Target

    7e6407f148a5653a9366e3f0a7813faa9808c6cc86bd02f473e9ef2bb423b938.dll

  • Size

    574KB

  • MD5

    ef157c07db5ac72329c91fd6ff9e6050

  • SHA1

    36b014f5ea0f9888bf8fbbf0888fee44de890983

  • SHA256

    7e6407f148a5653a9366e3f0a7813faa9808c6cc86bd02f473e9ef2bb423b938

  • SHA512

    d3b81a0e52a14d707e066ff887fb61a75b0738cb98e0d2853fe6e9655bc9d59526d4601f27346d8900f898802a8d3d60ad102bf70ecbf8336a5a47173b021d86

  • SSDEEP

    3072:jDKpt9sSR0HUHPwZWLnWVfEAzV2IJIwTBftpmc+z+f3Q0X:jDgtfRQUHPw06MoV2nwTBlhm8v

Score
10/10

Malware Config

Signatures

  • Yunsip

    Remote backdoor which communicates with a C2 server to receive commands.

  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\7e6407f148a5653a9366e3f0a7813faa9808c6cc86bd02f473e9ef2bb423b938.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4596
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\7e6407f148a5653a9366e3f0a7813faa9808c6cc86bd02f473e9ef2bb423b938.dll,#1
      2⤵
        PID:2452

    Network

    MITRE ATT&CK Matrix

    Replay Monitor

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    Downloads