Analysis

  • max time kernel
    48s
  • max time network
    53s
  • platform
    windows7_x64
  • resource
    win7-20220901-en
  • resource tags

    arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
  • submitted
    29-11-2022 12:56

General

  • Target

    11dfdc2c94b4fd29b3abdd0e59548279773ca591e6ee989515a58532758de2a8.dll

  • Size

    231KB

  • MD5

    73172eb205e7be53c8650181fa90f330

  • SHA1

    2c1e33272826b529def3c1ff6164d6d0b3ce319d

  • SHA256

    11dfdc2c94b4fd29b3abdd0e59548279773ca591e6ee989515a58532758de2a8

  • SHA512

    c708629b5991da4fcd3d23afaeac20742ceb33eca7d8d952986f1572d8ea9601479b692dab8af0d3ea7054d250a8bb03b39a968f6b2fd66a02795e15db62d784

  • SSDEEP

    3072:jDKpt9sSR0HUHPwZWLnWVfEAzV2IJIwTBftpmc+z+f3Q0J:jDgtfRQUHPw06MoV2nwTBlhm8R

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\11dfdc2c94b4fd29b3abdd0e59548279773ca591e6ee989515a58532758de2a8.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1564
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\11dfdc2c94b4fd29b3abdd0e59548279773ca591e6ee989515a58532758de2a8.dll,#1
      2⤵
        PID:1256

    Network

    MITRE ATT&CK Matrix

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/1256-55-0x0000000075091000-0x0000000075093000-memory.dmp

      Filesize

      8KB