Analysis

  • max time kernel
    91s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220901-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
  • submitted
    20-10-2022 21:20

General

  • Target

    ea3042ac391e0d5cc87c10d24c17d583239ea2827d8b16b2d931bfd1aa2245ce.dll

  • Size

    886KB

  • MD5

    442e927b4c241963093f867ec9fa2c40

  • SHA1

    9bd10bfa48a82afc5c9f09838e5a5602d45e7161

  • SHA256

    ea3042ac391e0d5cc87c10d24c17d583239ea2827d8b16b2d931bfd1aa2245ce

  • SHA512

    f988fd163c44d11c6876c04d3c8168403815c5171cd5fdeaf5377b00343e67d4ba8c9202b791b377578deac570bd13ebc550bc12c8eb2800174a79cda34f08ec

  • SSDEEP

    12288:jDgN6MoIwT3qOOOOOOOOOOOOOOOOOOOOOOm:jTtT3qOOOOOOOOOOOOOOOOOOOOOOm

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\ea3042ac391e0d5cc87c10d24c17d583239ea2827d8b16b2d931bfd1aa2245ce.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:5016
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\ea3042ac391e0d5cc87c10d24c17d583239ea2827d8b16b2d931bfd1aa2245ce.dll,#1
      2⤵
        PID:3956

    Network

    MITRE ATT&CK Matrix

    Replay Monitor

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    Downloads

    • memory/3956-132-0x0000000000000000-mapping.dmp