Analysis

  • max time kernel
    155s
  • max time network
    165s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    24-12-2023 20:16

General

  • Target

    1045795c737ffb0359ddc80529422419.dll

  • Size

    233KB

  • MD5

    1045795c737ffb0359ddc80529422419

  • SHA1

    658cae2e0a6576ed9f72b70600018f163823f1e7

  • SHA256

    33c2fbbd37618977a004cb8d1094c0b30f9b986edc4cc91b86472daa8a85dcae

  • SHA512

    5e5f7bb123cff5b35940b8c0e288d833c5248e56d490a8c4dc1bc62581139cd7b3d073409c4229554a1e94d40b1e986bd843e6e288f8daeedbcff2f72de81a8d

  • SSDEEP

    3072:jDKpt9sSR0HUHPwZWLnWVfEAzV2IJIwTBftpmc+z+f3Q0m:jDgtfRQUHPw06MoV2nwTBlhm8O

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\1045795c737ffb0359ddc80529422419.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4032
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\1045795c737ffb0359ddc80529422419.dll,#1
      2⤵
        PID:4488

    Network

    MITRE ATT&CK Matrix

    Replay Monitor

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    Downloads