Analysis

  • max time kernel
    96s
  • max time network
    102s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    24-09-2024 16:40

General

  • Target

    d6af413494ae5d589ee8a1614fdfb9e63ed60995654e820ce21ba6395612685fN.dll

  • Size

    1.1MB

  • MD5

    7670e5929cb79005cfd1ddead4437290

  • SHA1

    1ea225509e876b6aa952fb60b6b706008c0f427f

  • SHA256

    d6af413494ae5d589ee8a1614fdfb9e63ed60995654e820ce21ba6395612685f

  • SHA512

    665db5ef71361de213b5c62ccba7a390e86d90f13d572801226f746e349a1ee5d4e12f7713bc5c4a894f081eb957c3760f4f81a91d365c482321474bb1817e38

  • SSDEEP

    12288:jDgN6MoIwT3qOOOOOOOOOOOOOOOOOOOOOOi:jTtT3qOOOOOOOOOOOOOOOOOOOOOOi

Malware Config

Signatures

  • Yunsip

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

  • System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\d6af413494ae5d589ee8a1614fdfb9e63ed60995654e820ce21ba6395612685fN.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3592
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\d6af413494ae5d589ee8a1614fdfb9e63ed60995654e820ce21ba6395612685fN.dll,#1
      2⤵
      • System Location Discovery: System Language Discovery
      PID:3660

Network

MITRE ATT&CK Enterprise v15

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Downloads