Analysis

  • max time kernel
    147s
  • max time network
    177s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    20-10-2022 00:12

General

  • Target

    307ec13c5bbf0d83401c460b76b095400af68a527718306d0ba8b1cc3fccc3d0.dll

  • Size

    264KB

  • MD5

    82241d7c1596757c61154792d87a36ec

  • SHA1

    13f8d9683d03f00da5e184b4857d225b186af75a

  • SHA256

    307ec13c5bbf0d83401c460b76b095400af68a527718306d0ba8b1cc3fccc3d0

  • SHA512

    34aea4d6ca947539e05f297a0bc50b5c13887913c700a68f0c236adc2971153ce1f8b194907b3a22c7b4cb06700bf6b27afc3e5adede21af495175e960ccab50

  • SSDEEP

    3072:jDKpt9sSR0HUHPwZWLnWVfEAzV2IJIwTBftpmc+z+f3Q0i: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\307ec13c5bbf0d83401c460b76b095400af68a527718306d0ba8b1cc3fccc3d0.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4412
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\307ec13c5bbf0d83401c460b76b095400af68a527718306d0ba8b1cc3fccc3d0.dll,#1
      2⤵
        PID:4824

    Network

    MITRE ATT&CK Matrix

    Replay Monitor

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    Downloads