Analysis

  • max time kernel
    135s
  • max time network
    123s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    27/05/2024, 00:54

General

  • Target

    7761ff1ca8fe268862f6dc4a018ab9b5_JaffaCakes118.exe

  • Size

    604KB

  • MD5

    7761ff1ca8fe268862f6dc4a018ab9b5

  • SHA1

    0c73b3418a49d8b326e6d4620ebecb31ce407a0a

  • SHA256

    130cfed2ed1e99b351f15f72fd947d6b2f13cb9e21bfd5898aae74afa92815af

  • SHA512

    3e42592ea8b9120c40a06c48b3780a27e28edd4b9f8464c5f7d5e6701dc11b6e4caa2345f61eef7729f00a1eada283ab788b84c01f7be35d1b0250432759fd66

  • SSDEEP

    12288:y5BFm0cy8N2fRe+bIF/px7EWgyaQaR/AkDL6E:eBFm0coGFha+xaRZDL6E

Score
9/10

Malware Config

Signatures

  • Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 1 IoCs
  • Drops desktop.ini file(s) 2 IoCs
  • Drops file in Windows directory 3 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Enumerates system info in registry 2 TTPs 2 IoCs
  • Modifies system certificate store 2 TTPs 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\7761ff1ca8fe268862f6dc4a018ab9b5_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\7761ff1ca8fe268862f6dc4a018ab9b5_JaffaCakes118.exe"
    1⤵
    • Identifies VirtualBox via ACPI registry values (likely anti-VM)
    • Checks computer location settings
    • Enumerates system info in registry
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:1388
    • C:\Users\Admin\AppData\Local\Temp\n8359\s8359.exe
      "C:\Users\Admin\AppData\Local\Temp\n8359\s8359.exe" f13e847123f3bc8f87e0db9bFMlN4DJmG4nfKCBPzwieEJnLynVwcWab3kYiuk3cPZgiANOGuJ77UIlKtN7CBnEommg/5qCDkdKPPZfqQuJ0vG5slkixcHog7TvpwaAraZKfB2xo26pnCFF2XRthBu/uyoqb5KeAbMw7mHspmJw3cQBEsPzAEIel8nM4igJy /v "C:\Users\Admin\AppData\Local\Temp\7761ff1ca8fe268862f6dc4a018ab9b5_JaffaCakes118.exe"
      2⤵
      • Executes dropped EXE
      • Drops desktop.ini file(s)
      • Drops file in Windows directory
      • Modifies system certificate store
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:1692

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\Users\Admin\AppData\Local\Temp\n8359\s8359.exe

          Filesize

          220KB

          MD5

          3bf87e8e1382beefff15a28ab98c21eb

          SHA1

          2d3caabe7c2e6231fda3537660435b196217eacb

          SHA256

          ceaea7d02e69c51a591461e6145ee574cf4727168829525762065bbb37a264c1

          SHA512

          04d3b42b785f23c28f05c6fceea49302501f447345efa80fb3f1069a8fb8af51bdd97b09bf9c0035fa134d94ad8b24a0e33dcd428be800e2de0faca80f14f231

        • memory/1692-12-0x00007FF8AF435000-0x00007FF8AF436000-memory.dmp

          Filesize

          4KB

        • memory/1692-13-0x00007FF8AF180000-0x00007FF8AFB21000-memory.dmp

          Filesize

          9.6MB

        • memory/1692-27-0x0000000001390000-0x00000000013A0000-memory.dmp

          Filesize

          64KB

        • memory/1692-30-0x000000001C7A0000-0x000000001CC6E000-memory.dmp

          Filesize

          4.8MB

        • memory/1692-31-0x000000001CD10000-0x000000001CDAC000-memory.dmp

          Filesize

          624KB

        • memory/1692-32-0x000000001CEC0000-0x000000001CF22000-memory.dmp

          Filesize

          392KB

        • memory/1692-33-0x00007FF8AF180000-0x00007FF8AFB21000-memory.dmp

          Filesize

          9.6MB

        • memory/1692-34-0x00000000013D0000-0x00000000013D8000-memory.dmp

          Filesize

          32KB

        • memory/1692-35-0x00007FF8AF180000-0x00007FF8AFB21000-memory.dmp

          Filesize

          9.6MB

        • memory/1692-36-0x00007FF8AF180000-0x00007FF8AFB21000-memory.dmp

          Filesize

          9.6MB

        • memory/1692-37-0x00007FF8AF180000-0x00007FF8AFB21000-memory.dmp

          Filesize

          9.6MB

        • memory/1692-38-0x0000000020940000-0x0000000020E4E000-memory.dmp

          Filesize

          5.1MB

        • memory/1692-39-0x000000001E5B0000-0x000000001E6EC000-memory.dmp

          Filesize

          1.2MB

        • memory/1692-41-0x00007FF8AF180000-0x00007FF8AFB21000-memory.dmp

          Filesize

          9.6MB