Analysis

  • max time kernel
    121s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20240708-en
  • resource tags

    arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
  • submitted
    20/08/2024, 22:36

General

  • Target

    b11d593704f9f73eb1aba08d2ba6d74b_JaffaCakes118.exe

  • Size

    250KB

  • MD5

    b11d593704f9f73eb1aba08d2ba6d74b

  • SHA1

    846fb6d7e40a9aacd539206d28dc7d9214cc31f7

  • SHA256

    e6ecb9cadaac4e0ab2b17b806390fcb79d26ddd9efd0c3b6f46871d85b4a6d57

  • SHA512

    6459f0db4cbd74e61dcd54837b5cc20a3764b82e8447780a41543052246d4ae815179f94e300bd098b0236c3a2b2cbb2d5f50b520ba2039a23b6d9fbab9e6d0f

  • SSDEEP

    6144:j7y+Qfb56BBMl5yyw5CpA/7sJ5pwvP6bQ7yMP+DE827KJg:/yf6aw5krJ5i6b7MP+Dd2p

Malware Config

Signatures

  • Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs

    Bootkits write to the MBR to gain persistence at a level below the operating system.

  • Drops file in Windows directory 2 IoCs
  • 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.

  • Modifies registry class 3 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\b11d593704f9f73eb1aba08d2ba6d74b_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\b11d593704f9f73eb1aba08d2ba6d74b_JaffaCakes118.exe"
    1⤵
    • Writes to the Master Boot Record (MBR)
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Modifies registry class
    • Suspicious use of WriteProcessMemory
    PID:2104
    • C:\Windows\SysWOW64\explorer.exe
      explorer.exe "c:\FINAL_TBF2.pdf"
      2⤵
      • System Location Discovery: System Language Discovery
      PID:1544
  • C:\Windows\explorer.exe
    C:\Windows\explorer.exe /factory,{75dff2b7-6936-4c06-a8bb-676a7b00b24b} -Embedding
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2560
    • C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe
      "C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe" "C:\FINAL_TBF2.pdf"
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of SetWindowsHookEx
      PID:2288

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        • C:\Users\Admin\AppData\Roaming\Adobe\Acrobat\9.0\SharedDataEvents

          Filesize

          3KB

          MD5

          c0ddfe9ab7f8d6b3cd5b543b24b62327

          SHA1

          9a9a046a2f0ed7734243948501cdec433def8f21

          SHA256

          f55c6caad7f710dff0d910ce5be37384ddd5e572ff1475aeebbbeffc79fb622b

          SHA512

          f88ea4b52c436d8538f87040b6427dfb7a9b27ce9441336e2140aa56619aa2f22447330d1d296cf6a3e17138e58dbde69642ae87359eab5b1a51c575e59650be

        • memory/2104-0-0x0000000000400000-0x0000000000479000-memory.dmp

          Filesize

          484KB

        • memory/2104-2-0x0000000000459000-0x000000000045A000-memory.dmp

          Filesize

          4KB

        • memory/2104-1-0x0000000000230000-0x00000000002A9000-memory.dmp

          Filesize

          484KB

        • memory/2104-4-0x0000000000400000-0x0000000000479000-memory.dmp

          Filesize

          484KB

        • memory/2104-3-0x0000000000400000-0x0000000000479000-memory.dmp

          Filesize

          484KB

        • memory/2104-6-0x0000000000400000-0x0000000000479000-memory.dmp

          Filesize

          484KB

        • memory/2104-8-0x0000000000400000-0x0000000000479000-memory.dmp

          Filesize

          484KB