Analysis

  • max time kernel
    144s
  • max time network
    147s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    23/08/2024, 23:52

General

  • Target

    bd9946ed856676eddb05d77356eaa95a_JaffaCakes118.exe

  • Size

    76KB

  • MD5

    bd9946ed856676eddb05d77356eaa95a

  • SHA1

    3233ca907b58a27ad653a59398863d554d14519a

  • SHA256

    7c2c448ceb2fab09e5c011410319472a58cb6030dbeefd08d5acf9470d86d59c

  • SHA512

    65288cbdc990830ea1eddd37f968790c631ba2af6f888ba3c488c2d2ec720e1781918f46a6284c81e7d8000bed53f4d09118ecf76feed8f8453c7a4d6ccfd142

  • SSDEEP

    1536:vA8AKzN8mQX77t8/sUsluPf32tx8H26habOC:ooN8mQX77GF332i2cC

Malware Config

Signatures

  • Blocklisted process makes network request 3 IoCs
  • Drops file in Drivers directory 1 IoCs
  • Loads dropped DLL 2 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\bd9946ed856676eddb05d77356eaa95a_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\bd9946ed856676eddb05d77356eaa95a_JaffaCakes118.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3940
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe "C:\Users\Admin\AppData\Local\Temp\\4f7c9cce-98b0-4b14-bdcf-46781702cac2\wrkB8FF.tmp_46", start first worker
      2⤵
      • Blocklisted process makes network request
      • Drops file in Drivers directory
      • Loads dropped DLL
      • Adds Run key to start application
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2344
      • C:\Windows\SysWOW64\rundll32.exe
        rundll32.exe "C:\Users\Admin\AppData\Local\Temp\\4f7c9cce-98b0-4b14-bdcf-46781702cac2\wrkC237.tmp_46", start task worker
        3⤵
        • Blocklisted process makes network request
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        • Suspicious use of AdjustPrivilegeToken
        PID:4420

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        • C:\Users\Admin\AppData\Local\Temp\4f7c9cce-98b0-4b14-bdcf-46781702cac2\wrkB8FF.tmp_46

          Filesize

          76KB

          MD5

          77f0b528617dbdfabeda673e5129e8bb

          SHA1

          1bc09e1f637d5e81512bbeeacead37a46136a52f

          SHA256

          0e4c18c12b3666a14ee4964ace516b322e787f22381e2bfa44db5e840447c271

          SHA512

          cfd2962d20c8a6549cc0bc64d3334983a078d3ebbdaceb666aacdf08adfd3902a9b1851df541017bd544e4198a0b2d2253adc0b720ff0104683b66a7d45650e1

        • memory/2344-8-0x0000000010000000-0x000000001000B000-memory.dmp

          Filesize

          44KB

        • memory/2344-15-0x0000000010000000-0x000000001000B000-memory.dmp

          Filesize

          44KB

        • memory/2344-26-0x0000000010000000-0x000000001000B000-memory.dmp

          Filesize

          44KB

        • memory/3940-0-0x00000000007F0000-0x00000000007F1000-memory.dmp

          Filesize

          4KB

        • memory/3940-1-0x0000000010000000-0x000000001000B000-memory.dmp

          Filesize

          44KB

        • memory/4420-23-0x0000000010000000-0x000000001000B000-memory.dmp

          Filesize

          44KB

        • memory/4420-27-0x0000000010000000-0x000000001000B000-memory.dmp

          Filesize

          44KB