Analysis

  • max time kernel
    8s
  • max time network
    46s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    20-10-2022 00:12

General

  • Target

    082d8e91e0f2b8912f3bece573a8765ba44734ee1c5c6cb6a8d06e80f0f404c3.dll

  • Size

    414KB

  • MD5

    91a9f216455c39b7c9db2a5419fde400

  • SHA1

    cb0f0ba106d28aa4f0eb87316df2ccb44ae2bdbe

  • SHA256

    082d8e91e0f2b8912f3bece573a8765ba44734ee1c5c6cb6a8d06e80f0f404c3

  • SHA512

    4c9c417ebc1e57cda64f4e45764d976a02a3b8beeede70daaead7ab6f6806b5593939401d757210c1128a2085a81c1c38e88443be57f4bf6ac469e6cec8b8f79

  • SSDEEP

    3072:jDKpt9sSR0HUHPwZWLnWVfEAzV2IJIwTBftpmc+z+f3Q0+:jDgtfRQUHPw06MoV2nwTBlhm8m

Score
10/10

Malware Config

Signatures

  • Yunsip

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

  • Suspicious use of WriteProcessMemory 7 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\082d8e91e0f2b8912f3bece573a8765ba44734ee1c5c6cb6a8d06e80f0f404c3.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:900
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\082d8e91e0f2b8912f3bece573a8765ba44734ee1c5c6cb6a8d06e80f0f404c3.dll,#1
      2⤵
        PID:1984

    Network

    MITRE ATT&CK Matrix

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/1984-54-0x0000000000000000-mapping.dmp

    • memory/1984-55-0x0000000075571000-0x0000000075573000-memory.dmp

      Filesize

      8KB