Analysis

  • max time kernel
    114s
  • max time network
    158s
  • 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, 17:41

General

  • Target

    be9b5d1086e6cf9a90f9db7349a3035c_JaffaCakes118.exe

  • Size

    187KB

  • MD5

    be9b5d1086e6cf9a90f9db7349a3035c

  • SHA1

    71c828271bf1f6f2f8efdea035491e9637acc482

  • SHA256

    4de1fe67e0edd7e75e84a04beff244dcb46e9b7ff288cac8cf531ff62ebcf1f3

  • SHA512

    ea14485c14619039c3ba77d7a6cb6ff0cf101b1ef3478832c917959a29022d777275fe3ea996d2903e91062158de950f544201021f3c28849e482d1097562aaa

  • SSDEEP

    3072:/cT9g8immW6Pozkk2eKs/CSr2nQ/E2S5ny+bF2u1I+ddDK7Hlq/B8ipjBFy11Awo:o68i3odBiTl2+TCU/Nhuhup

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\be9b5d1086e6cf9a90f9db7349a3035c_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\be9b5d1086e6cf9a90f9db7349a3035c_JaffaCakes118.exe"
    1⤵
    • Adds Run key to start application
    • Drops file in Windows directory
    • Suspicious use of WriteProcessMemory
    PID:316
    • 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:2716
  • 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=4072 --field-trial-handle=2272,i,17338911640954948469,1637568328132129119,262144 --variations-seed-version /prefetch:8
    1⤵
      PID:856

    Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

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          Downloads

          • C:\Windows\bugMAKER.bat

            Filesize

            90B

            MD5

            b4e54ab8a0334d02ca4e1528630bacae

            SHA1

            a633073584aadb70b2e1d1ea4e8e35261defd931

            SHA256

            8c4ee9d7655fdd5a8e3cf0180409811023e54ca1b2030acfa8787679bb5ea820

            SHA512

            02eef5fd337d0dd4014ab08f1a66c34eded1e1a04206e8c3a8efd257b62d7e68746e0f537bc5717d187188dc93549d12427b0556f974b4da0d1171b1325ae0e4

          • memory/316-24-0x0000000000400000-0x000000000042D000-memory.dmp

            Filesize

            180KB