Analysis

  • max time kernel
    150s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240426-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
  • submitted
    28/05/2024, 16:26

General

  • Target

    7d9df8d41bc38adddb15bd6fd715717c_JaffaCakes118.exe

  • Size

    579KB

  • MD5

    7d9df8d41bc38adddb15bd6fd715717c

  • SHA1

    c05ebd259632bcfe2bb1bfe00e867df471d7da5e

  • SHA256

    2269abe0993ccb057cf2e564b982dad8f8fca0856754bb2d39f1c9ee236a8d21

  • SHA512

    c75dfbe6bdd3726bbf1e1e218d5523db0d8308b6be741852d1a9648e8d5a906ee1f108d6dff88ad95446343840b650f99c92bc8d22f6f77648839516a797559b

  • SSDEEP

    12288:p9n8pembmNtfVqKgxSQKkIRGFPL8O89NAD1YLv66:fn8peNzX7lGFD8B9nv66

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\7d9df8d41bc38adddb15bd6fd715717c_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\7d9df8d41bc38adddb15bd6fd715717c_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:3792
    • C:\Users\Admin\AppData\Local\Temp\n4292\s4292.exe
      "C:\Users\Admin\AppData\Local\Temp\n4292\s4292.exe" c79816a57cc072fefdcdc05aq9Gwu/1Tjd8h3NeMW1eFGJUbrgJMoS93xKiJ1Jdf55AMb9EzLoz0RHzZQwrEO7zC5pi5kgePdDu3Tt7FO1TuUXgwihNuusfhFVHlBnEODoZ0Ckh+93e7ewvVXh9xbVzEElbnCmsIEFa7Hojk3icwqPmv1JiyF6kvxyadYdc= /v "C:\Users\Admin\AppData\Local\Temp\7d9df8d41bc38adddb15bd6fd715717c_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:4284

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        • C:\Users\Admin\AppData\Local\Temp\n4292\s4292.exe

          Filesize

          220KB

          MD5

          3bf87e8e1382beefff15a28ab98c21eb

          SHA1

          2d3caabe7c2e6231fda3537660435b196217eacb

          SHA256

          ceaea7d02e69c51a591461e6145ee574cf4727168829525762065bbb37a264c1

          SHA512

          04d3b42b785f23c28f05c6fceea49302501f447345efa80fb3f1069a8fb8af51bdd97b09bf9c0035fa134d94ad8b24a0e33dcd428be800e2de0faca80f14f231

        • memory/4284-12-0x00007FFFEC8C5000-0x00007FFFEC8C6000-memory.dmp

          Filesize

          4KB

        • memory/4284-13-0x00007FFFEC610000-0x00007FFFECFB1000-memory.dmp

          Filesize

          9.6MB

        • memory/4284-29-0x000000001B480000-0x000000001B490000-memory.dmp

          Filesize

          64KB

        • memory/4284-32-0x000000001C420000-0x000000001C8EE000-memory.dmp

          Filesize

          4.8MB

        • memory/4284-33-0x000000001C990000-0x000000001CA2C000-memory.dmp

          Filesize

          624KB

        • memory/4284-34-0x000000001CAD0000-0x000000001CB32000-memory.dmp

          Filesize

          392KB

        • memory/4284-35-0x00007FFFEC610000-0x00007FFFECFB1000-memory.dmp

          Filesize

          9.6MB

        • memory/4284-36-0x000000001B960000-0x000000001B968000-memory.dmp

          Filesize

          32KB

        • memory/4284-37-0x00007FFFEC610000-0x00007FFFECFB1000-memory.dmp

          Filesize

          9.6MB

        • memory/4284-38-0x00007FFFEC610000-0x00007FFFECFB1000-memory.dmp

          Filesize

          9.6MB

        • memory/4284-39-0x00007FFFEC610000-0x00007FFFECFB1000-memory.dmp

          Filesize

          9.6MB

        • memory/4284-40-0x00007FFFEC610000-0x00007FFFECFB1000-memory.dmp

          Filesize

          9.6MB

        • memory/4284-41-0x0000000020530000-0x0000000020A3E000-memory.dmp

          Filesize

          5.1MB

        • memory/4284-42-0x0000000020C80000-0x0000000020DBC000-memory.dmp

          Filesize

          1.2MB

        • memory/4284-43-0x00007FFFEC610000-0x00007FFFECFB1000-memory.dmp

          Filesize

          9.6MB

        • memory/4284-44-0x00007FFFEC8C5000-0x00007FFFEC8C6000-memory.dmp

          Filesize

          4KB

        • memory/4284-46-0x00007FFFEC610000-0x00007FFFECFB1000-memory.dmp

          Filesize

          9.6MB