Analysis

  • max time kernel
    102s
  • max time network
    106s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    17-10-2024 22:08

General

  • Target

    d410bf9b0b47daef48f0ee8fb2359190b73a674ca1df958bd86690f5d7ea8c9cN.dll

  • Size

    1.1MB

  • MD5

    04a18842ea0f40c06c48785257315ee0

  • SHA1

    f9f8b6d80d654d2a9b19a486b7b8df1de1ec3de6

  • SHA256

    d410bf9b0b47daef48f0ee8fb2359190b73a674ca1df958bd86690f5d7ea8c9c

  • SHA512

    5e55760ac00d75b9c4da6a9fc92610f658f1adf2c0c5e4d206f82cff94682a754e3d0a6e881aca2a55a197f1027a7df1b5a9ae92d7905f21851a13007751cafe

  • SSDEEP

    6144:jDgtfRQUHPw06MoV2nwTBlhm8zDgtfRQUHPw06MoV2nwTBlhm8Y:jDgN6MoIwT3vDgN6MoIwT3k

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\d410bf9b0b47daef48f0ee8fb2359190b73a674ca1df958bd86690f5d7ea8c9cN.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2812
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\d410bf9b0b47daef48f0ee8fb2359190b73a674ca1df958bd86690f5d7ea8c9cN.dll,#1
      2⤵
      • System Location Discovery: System Language Discovery
      PID:1408

Network

MITRE ATT&CK Enterprise v15

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Downloads