Analysis

  • max time kernel
    150s
  • max time network
    97s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240709-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
  • submitted
    10/07/2024, 01:14

General

  • Target

    32be3e40b704958924209f140a1e403c_JaffaCakes118.dll

  • Size

    33KB

  • MD5

    32be3e40b704958924209f140a1e403c

  • SHA1

    7b21114da617b55dda2a0e80fda4950f05504774

  • SHA256

    959bf016e699c3e7ebd0ee20ef7da8cdfb55893f511b3e4d23b31b3571491622

  • SHA512

    83ebbf2aaa4e090d2b666b507b9a76c9f6ec0778fad091955c5536662fdc56825209aa22f3fa3f5c6c522a16dfb144705b72008eda6bec66e783fa4cda118edb

  • SSDEEP

    768:4wRslJKTFf688AxeiRo95y47HwRxeSmmzxmG:dRssf68dxetq472Mazx7

Score
7/10

Malware Config

Signatures

  • Loads dropped DLL 3 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Drops file in System32 directory 2 IoCs
  • Modifies registry class 4 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 7 IoCs

Processes

  • C:\Windows\system32\winlogon.exe
    winlogon.exe
    1⤵
      PID:612
    • C:\Windows\system32\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\32be3e40b704958924209f140a1e403c_JaffaCakes118.dll,#1
      1⤵
      • Suspicious use of WriteProcessMemory
      PID:1740
      • C:\Windows\SysWOW64\rundll32.exe
        rundll32.exe C:\Users\Admin\AppData\Local\Temp\32be3e40b704958924209f140a1e403c_JaffaCakes118.dll,#1
        2⤵
        • Loads dropped DLL
        • Drops file in System32 directory
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: RenamesItself
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:1108
        • C:\Windows\SysWOW64\rundll32.exe
          rundll32.exe C:\Windows\system32\xxyvvVNd.dll,a
          3⤵
          • Loads dropped DLL
          • Adds Run key to start application
          • Modifies registry class
          • Suspicious behavior: EnumeratesProcesses
          PID:3928

    Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

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          Downloads

          • C:\Windows\SysWOW64\xxyvvVNd.dll

            Filesize

            33KB

            MD5

            32be3e40b704958924209f140a1e403c

            SHA1

            7b21114da617b55dda2a0e80fda4950f05504774

            SHA256

            959bf016e699c3e7ebd0ee20ef7da8cdfb55893f511b3e4d23b31b3571491622

            SHA512

            83ebbf2aaa4e090d2b666b507b9a76c9f6ec0778fad091955c5536662fdc56825209aa22f3fa3f5c6c522a16dfb144705b72008eda6bec66e783fa4cda118edb

          • memory/1108-0-0x0000000010000000-0x0000000010010000-memory.dmp

            Filesize

            64KB

          • memory/1108-7-0x0000000010000000-0x0000000010010000-memory.dmp

            Filesize

            64KB

          • memory/1108-9-0x0000000001180000-0x0000000001190000-memory.dmp

            Filesize

            64KB

          • memory/3928-14-0x0000000010000000-0x0000000010010000-memory.dmp

            Filesize

            64KB

          • memory/3928-15-0x0000000010000000-0x0000000010010000-memory.dmp

            Filesize

            64KB