Analysis

  • max time kernel
    91s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220901-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
  • submitted
    21-10-2022 19:32

General

  • Target

    ed6a3ebae6bb9ff3680cdb61171517b6dd7a54f87aa73986486b8374f20a3b5a.dll

  • Size

    781KB

  • MD5

    49689fe6ca0a9bb363d5c274e8a2d6f0

  • SHA1

    97697d79c19668b71001b7166eb9f6c13ccfc2b2

  • SHA256

    ed6a3ebae6bb9ff3680cdb61171517b6dd7a54f87aa73986486b8374f20a3b5a

  • SHA512

    67a82b85dab361763fb72b521387ff667c8bae7622f815d8f1998bf6dd32b6cd5f58a1fea2df25ca7468479a50d7e2e6bfe3d80f687e8509649d893b0aa43aeb

  • SSDEEP

    3072:jDKpt9sSR0HUHPwZWLnWVfEAzV2IJIwTBftpmc+z+f3Q0o2gqTNY4P:jDgtfRQUHPw06MoV2nwTBlhm8pgqT7

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\ed6a3ebae6bb9ff3680cdb61171517b6dd7a54f87aa73986486b8374f20a3b5a.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4920
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\ed6a3ebae6bb9ff3680cdb61171517b6dd7a54f87aa73986486b8374f20a3b5a.dll,#1
      2⤵
        PID:4932

    Network

    MITRE ATT&CK Matrix

    Replay Monitor

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    Downloads

    • memory/4932-132-0x0000000000000000-mapping.dmp