Analysis

  • max time kernel
    97s
  • max time network
    98s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    21-10-2024 22:54

General

  • Target

    6e4daabab9c2a9bdfa16324fd7a8f6945e57c7dc31b33e90817fad5bc983c6d7N.dll

  • Size

    800KB

  • MD5

    965b54611f023d8d24e7d42205db3ff0

  • SHA1

    3c5296ea7c055c0e14d613c06e49a7cac7e76f3d

  • SHA256

    6e4daabab9c2a9bdfa16324fd7a8f6945e57c7dc31b33e90817fad5bc983c6d7

  • SHA512

    4df6cfa202af4bd6cae2ccb7d0ef16a10c67e85b8b2828fcfd86ae03af346e5138cb6a0f663fa44a50b313b959b8f03c78b0fce398d58c42c32c883a24e0e7af

  • SSDEEP

    3072:jDKpt9sSR0HUHPwZWLnWVfEAzV2IJIwTBftpmc+z+f3Q0J:jDgtfRQUHPw06MoV2nwTBlhm8h

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\6e4daabab9c2a9bdfa16324fd7a8f6945e57c7dc31b33e90817fad5bc983c6d7N.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2176
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\6e4daabab9c2a9bdfa16324fd7a8f6945e57c7dc31b33e90817fad5bc983c6d7N.dll,#1
      2⤵
      • System Location Discovery: System Language Discovery
      PID:1036

Network

MITRE ATT&CK Enterprise v15

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Downloads