Analysis

  • max time kernel
    47s
  • max time network
    52s
  • platform
    windows7_x64
  • resource
    win7-20220901-en
  • resource tags

    arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
  • submitted
    21-10-2022 16:09

General

  • Target

    60e39b3c287bcdc58b86b6a1d680aa7873ca83cc4ee3b86dd60c2cb96c532530.dll

  • Size

    964KB

  • MD5

    454f94ab8db7fc0e4e720ae38fc23020

  • SHA1

    fbdc0677fdf110657e7ca516f76cb40f1710294d

  • SHA256

    60e39b3c287bcdc58b86b6a1d680aa7873ca83cc4ee3b86dd60c2cb96c532530

  • SHA512

    a50c300cc06ae7ffaf7bee02999c44b92bd2d0c4f81f224b27af11ed3c1d9351e2ab18b38c7482fde17cd0fdc1a1e320f41523a7cc1c986f5ea22c9b6735f3b4

  • SSDEEP

    3072:o6pU5Y1DXnbMn7Uzkop61/dAzV2O3XwTBftrm2YedGf3QKZDV:o6C5AXbMn7UI1FoV2gwTBlrIckPH

Score
10/10

Malware Config

Signatures

  • Yunsip

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

  • Suspicious use of WriteProcessMemory 7 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\60e39b3c287bcdc58b86b6a1d680aa7873ca83cc4ee3b86dd60c2cb96c532530.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1768
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\60e39b3c287bcdc58b86b6a1d680aa7873ca83cc4ee3b86dd60c2cb96c532530.dll,#1
      2⤵
        PID:1112

    Network

    MITRE ATT&CK Matrix

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/1112-54-0x0000000000000000-mapping.dmp

    • memory/1112-55-0x0000000076961000-0x0000000076963000-memory.dmp

      Filesize

      8KB