Analysis

  • max time kernel
    4s
  • max time network
    46s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    29-11-2022 12:50

General

  • Target

    d783623414c0e981bdf1398447fef99c4ce0c54acdfe08fa531ec8621c5b762d.dll

  • Size

    239KB

  • MD5

    f5b00dce2020ca5387c94dcc6a8a8487

  • SHA1

    47c9312a7726b21862a103d210fc8aa4d3cc6c81

  • SHA256

    d783623414c0e981bdf1398447fef99c4ce0c54acdfe08fa531ec8621c5b762d

  • SHA512

    f9f4d27dc67ca5be7437eee95a8f6eb63ae4013f380504aa752a134aa0284a74a1411957c192f607fd1e26aa803cd2437f842620701d374f74a541015dd8d6da

  • SSDEEP

    3072:jDKpt9sSR0HUHPwZWLnWVfEAzV2IJIwTBftpmc+z+f3Q0Q:jDgtfRQUHPw06MoV2nwTBlhm8I

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\d783623414c0e981bdf1398447fef99c4ce0c54acdfe08fa531ec8621c5b762d.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1788
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\d783623414c0e981bdf1398447fef99c4ce0c54acdfe08fa531ec8621c5b762d.dll,#1
      2⤵
        PID:732

    Network

    MITRE ATT&CK Matrix

    Replay Monitor

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    Downloads

    • memory/732-55-0x0000000075091000-0x0000000075093000-memory.dmp

      Filesize

      8KB