Analysis

  • max time kernel
    46s
  • max time network
    50s
  • platform
    windows7_x64
  • resource
    win7-20220901-en
  • resource tags

    arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
  • submitted
    30-11-2022 22:05

General

  • Target

    0cf1ac8810f732113695501c3caa1d13df30c644d157fddb02693e5097bf7d25.dll

  • Size

    281KB

  • MD5

    942166c154e0286716125b5b5550e990

  • SHA1

    9c341682e63a6928f4ced7c81ae68aca501f9372

  • SHA256

    0cf1ac8810f732113695501c3caa1d13df30c644d157fddb02693e5097bf7d25

  • SHA512

    a9f9129f4187419e5863305e727a2ae11f96ba8f299f3326afe0826fa36f7a70b2b18d8f4100d075dfb2a7222ef47bcd3202840a7781ba8180e5271cd7370ba8

  • SSDEEP

    3072:jDKpt9sSR0HUHPwZWLnWVfEAzV2IJIwTBftpmc+z+f3Q0+:jDgtfRQUHPw06MoV2nwTBlhm8m

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\0cf1ac8810f732113695501c3caa1d13df30c644d157fddb02693e5097bf7d25.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1600
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\0cf1ac8810f732113695501c3caa1d13df30c644d157fddb02693e5097bf7d25.dll,#1
      2⤵
        PID:1396

    Network

    MITRE ATT&CK Matrix

    Replay Monitor

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    Downloads

    • memory/1396-55-0x00000000752B1000-0x00000000752B3000-memory.dmp

      Filesize

      8KB