Analysis

  • max time kernel
    132s
  • max time network
    166s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230915-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system
  • submitted
    15-10-2023 15:09

General

  • Target

    c1e9bede046557e251ef348439042fa0_dll32_JC.dll

  • Size

    617KB

  • MD5

    c1e9bede046557e251ef348439042fa0

  • SHA1

    4999f9d375e0e0f2c9b9f40369118be90c69578e

  • SHA256

    6e55957dcea836871bae4c2d3711dd6ff50f432df8ec1ec290c96413660926eb

  • SHA512

    dfaf23d0127697270457f80dc94f089b58d03fe54769346058048da5249aaed6c6e6d1a19b2cdeb128f84cbf006712603240c33a5d0f21c17133d32eecc6e96e

  • SSDEEP

    3072:jDKpt9sSR0HUHPwZWLnWVfEAzV2IJIwTBftpmc+z+f3Q0y:jDgtfRQUHPw06MoV2nwTBlhm8a

Score
10/10

Malware Config

Signatures

  • Yunsip

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

  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\c1e9bede046557e251ef348439042fa0_dll32_JC.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3068
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\c1e9bede046557e251ef348439042fa0_dll32_JC.dll,#1
      2⤵
        PID:1200

    Network

    MITRE ATT&CK Matrix

    Replay Monitor

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    Downloads