Analysis

  • max time kernel
    148s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    19-10-2024 09:41

General

  • Target

    7c9e1e8cb9467c3910c39d0c5f85312cef136f30a7bd2512f8b1f400b864dda9N.dll

  • Size

    1.0MB

  • MD5

    9aa6f5eae249b0f1cbc1afe3caa52880

  • SHA1

    4a9b1b6dc1813b21bf9b4f636a6df636fd6fa47c

  • SHA256

    7c9e1e8cb9467c3910c39d0c5f85312cef136f30a7bd2512f8b1f400b864dda9

  • SHA512

    34da57d368f29a8cf2fab4c81353b9e2e527e1f735363fac3409011551cc32cf9c25247b91b795cda95ab8a273a6b9ec1a0f8a57a8dbd9d385d2b9c693f192ee

  • SSDEEP

    6144:o6C5AXbMn7UI1FoV2gwTBlrIckPJYYYYYYYYYYYYG:o6RI1Fo/wT3cJYYYYYYYYYYYYG

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\7c9e1e8cb9467c3910c39d0c5f85312cef136f30a7bd2512f8b1f400b864dda9N.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2212
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\7c9e1e8cb9467c3910c39d0c5f85312cef136f30a7bd2512f8b1f400b864dda9N.dll,#1
      2⤵
      • System Location Discovery: System Language Discovery
      PID:4204

Network

MITRE ATT&CK Enterprise v15

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Downloads