Analysis

  • max time kernel
    115s
  • max time network
    144s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    04/04/2024, 13:25

General

  • Target

    b97a6d46f0bdb4a4f0c5619cb93a1f84_JaffaCakes118.exe

  • Size

    245KB

  • MD5

    b97a6d46f0bdb4a4f0c5619cb93a1f84

  • SHA1

    b0b0e29636b449908d347b05a15c28d59f1e8c4d

  • SHA256

    3780292d1653db6c4e73f5be22a2e19d23c9b8063f4565ef1e7c9dfe57dd48aa

  • SHA512

    5c9415f534773f034b8cb3bc04a7142009c7b32d04a493ac9152a1b5b709017bcfa2db3db120cb5f3ad62f6749409968aac2f1ec43ae3fdc8c73dae0f6b11039

  • SSDEEP

    3072:/cT9g8immW6Pozkk2eKs/CSr2nQ/E2S5ny+bF2u1I+ddDK7Hlq/B8YtkaZgxkd4I:o68i3odBiTl2+TCU/xtkqd4k8KfQl4

Score
7/10

Malware Config

Signatures

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Drops file in Windows directory 12 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\b97a6d46f0bdb4a4f0c5619cb93a1f84_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\b97a6d46f0bdb4a4f0c5619cb93a1f84_JaffaCakes118.exe"
    1⤵
    • Adds Run key to start application
    • Drops file in Windows directory
    • Suspicious use of WriteProcessMemory
    PID:1496
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c C:\Windows\bugMAKER.bat
      2⤵
      • Checks computer location settings
      • Suspicious use of SetWindowsHookEx
      PID:992
  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=4172 --field-trial-handle=2280,i,8281149332300504990,9122875031903898779,262144 --variations-seed-version /prefetch:8
    1⤵
      PID:4008

    Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

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          Downloads

          • C:\Windows\bugMAKER.bat

            Filesize

            90B

            MD5

            72677309d56dd6de3ece50dac5df4f71

            SHA1

            70d5d9a0085c639f58b2fc9416244b15474bd967

            SHA256

            80a9810ab81f65263ecf6785bcf58231d08bc486b8ceaa9368b32769a80b4d00

            SHA512

            a3b69658985e8908c184d6fc9a970371c01e5b21def10f757e9a687ba496d7f118be4a6a0f6a7bdf975406c065c4e2738ac2ac1ec1c23ffabc94e11649265ece

          • memory/1496-24-0x0000000000400000-0x000000000042D000-memory.dmp

            Filesize

            180KB