Analysis

  • max time kernel
    150s
  • max time network
    156s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20221111-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
  • submitted
    21-11-2022 17:21

General

  • Target

    ed2a4a788ac132e84301a8ffcaa349ad96113e2537a527ab117f53c81d354085.dll

  • Size

    759KB

  • MD5

    1183d3b942708b53e0a2ecc394e951d0

  • SHA1

    e9fad67672a0976ae7964ee20d1435c5b7f2a237

  • SHA256

    ed2a4a788ac132e84301a8ffcaa349ad96113e2537a527ab117f53c81d354085

  • SHA512

    c4fd0b3d1bcf14330a75c961a1e9ef291655b56a087f8749654017e470baaa2673576ab998b48c442fbbb0db8be6fee92a2c317bffbdb4ce53b447134b2e23a7

  • SSDEEP

    3072:o6pU5Y1DXnbMn7Uzkop61/dAzV2O3XwTBftrm2YedGf3QKZDr:o6C5AXbMn7UI1FoV2gwTBlrIckPl

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\ed2a4a788ac132e84301a8ffcaa349ad96113e2537a527ab117f53c81d354085.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1364
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\ed2a4a788ac132e84301a8ffcaa349ad96113e2537a527ab117f53c81d354085.dll,#1
      2⤵
        PID:1584

    Network

    MITRE ATT&CK Matrix

    Replay Monitor

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    Downloads