Analysis

  • max time kernel
    156s
  • max time network
    164s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20221111-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
  • submitted
    20-11-2022 04:18

General

  • Target

    4c56d3f48645afa4c30b2a2e56b933e0794bbedb8ac994bcb5b613a1e579267d.dll

  • Size

    368KB

  • MD5

    41461c161007c625c1e838d8b79cf168

  • SHA1

    33576ef7164c3047d8a37f259fbd1eebd8250d4a

  • SHA256

    4c56d3f48645afa4c30b2a2e56b933e0794bbedb8ac994bcb5b613a1e579267d

  • SHA512

    b2934fd16493928495dec3cbcb60fcc657bd2b69148c5ecd66fb7ce9c22b1f5cc743f3d6c322decf447b251dc43d7fd093a98c0f88af77deba05ea918d91e93e

  • SSDEEP

    3072:o6pU5Y1DXnbMn7Uzkop61/dAzV2O3XwTBftrm2YedGf3QKZDn:o6C5AXbMn7UI1FoV2gwTBlrIckPV

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\4c56d3f48645afa4c30b2a2e56b933e0794bbedb8ac994bcb5b613a1e579267d.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2336
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\4c56d3f48645afa4c30b2a2e56b933e0794bbedb8ac994bcb5b613a1e579267d.dll,#1
      2⤵
        PID:752

    Network

    MITRE ATT&CK Matrix

    Replay Monitor

    Loading Replay Monitor...

    Downloads