Analysis

  • max time kernel
    38s
  • max time network
    52s
  • platform
    windows7_x64
  • resource
    win7-20220901-en
  • resource tags

    arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
  • submitted
    29-11-2022 12:54

General

  • Target

    79433f797916abe8b31e1e6b89f90fe9a089ba2efd794d1eb80770c1d7bf638e.dll

  • Size

    485KB

  • MD5

    34766dc224bf780507e42638494ee380

  • SHA1

    13a6cef1172b4e099f6ebe07d29cce59b9896d3b

  • SHA256

    79433f797916abe8b31e1e6b89f90fe9a089ba2efd794d1eb80770c1d7bf638e

  • SHA512

    9af3fbbdabe01b78def8eaa121065bf81e4e69e7cb26c40f689ec83f6e817692d73a03119116b9378af22fb21d03b1d5e1ef51abde15e825a0406bb566dc1058

  • SSDEEP

    3072:jDKpt9sSR0HUHPwZWLnWVfEAzV2IJIwTBftpmc+z+f3Q0q:jDgtfRQUHPw06MoV2nwTBlhm8C

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\79433f797916abe8b31e1e6b89f90fe9a089ba2efd794d1eb80770c1d7bf638e.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1948
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\79433f797916abe8b31e1e6b89f90fe9a089ba2efd794d1eb80770c1d7bf638e.dll,#1
      2⤵
        PID:1928

    Network

    MITRE ATT&CK Matrix

    Replay Monitor

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    Downloads

    • memory/1928-55-0x0000000075D71000-0x0000000075D73000-memory.dmp

      Filesize

      8KB