Analysis

  • max time kernel
    0s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240412-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system
  • submitted
    18-04-2024 02:31

General

  • Target

    ca2f1d0264f9611e1fd9477b5a4feb32d50be6f3595257b4af6ef019fc1b13c2.dll

  • Size

    1.0MB

  • MD5

    9b90f9eae047b5669e43a619e70ccba6

  • SHA1

    e83abeb1ed914637659bbc5010810d874101892f

  • SHA256

    ca2f1d0264f9611e1fd9477b5a4feb32d50be6f3595257b4af6ef019fc1b13c2

  • SHA512

    54f786f5e663ea78028ba40186889c207cdd8364ed53865406d3550d4206c7fc7073ce77695a278c8c51b18ff16dde7e1f05a3e99a944fcce9fadfe8938d41cd

  • SSDEEP

    6144:o6C5AXbMn7UI1FoV2gwTBlrIckPJYYYYYYYYYYYY1:o6RI1Fo/wT3cJYYYYYYYYYYYY1

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\ca2f1d0264f9611e1fd9477b5a4feb32d50be6f3595257b4af6ef019fc1b13c2.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4720
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\ca2f1d0264f9611e1fd9477b5a4feb32d50be6f3595257b4af6ef019fc1b13c2.dll,#1
      2⤵
        PID:3356

    Network

    MITRE ATT&CK Matrix

    Replay Monitor

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    Downloads