Analysis

  • max time kernel
    94s
  • max time network
    95s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    22-11-2024 09:03

General

  • Target

    ce5dc4645b0930f40123fc7688cf7261e79dea32c934183eab601be78cd51acfN.dll

  • Size

    714KB

  • MD5

    872ac794e9aa6d0a7e9febbb3c077500

  • SHA1

    8fbd5e613d5dfa8adcd8989732d49b0f2f800e72

  • SHA256

    ce5dc4645b0930f40123fc7688cf7261e79dea32c934183eab601be78cd51acf

  • SHA512

    ade939c7cfe9d2d3c0abb4734dff13574a797feb6c47fc5433d454f8f4efa4397a505b598e9e8bdcdbcc5daa44d5e8534f321c6313654512b348e106bec07284

  • SSDEEP

    3072:jDKpt9sSR0HUHPwZWLnWVfEAzV2IJIwTBftpmc+z+f3Q05:jDgtfRQUHPw06MoV2nwTBlhm8h

Malware Config

Signatures

  • Yunsip

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

  • Yunsip family
  • 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\ce5dc4645b0930f40123fc7688cf7261e79dea32c934183eab601be78cd51acfN.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1156
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\ce5dc4645b0930f40123fc7688cf7261e79dea32c934183eab601be78cd51acfN.dll,#1
      2⤵
      • System Location Discovery: System Language Discovery
      PID:1376

Network

MITRE ATT&CK Enterprise v15

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