Analysis

  • max time kernel
    140s
  • max time network
    137s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    07-12-2024 00:12

General

  • Target

    cfbb71cd4c20888128f25c49e9622422_JaffaCakes118.exe

  • Size

    281KB

  • MD5

    cfbb71cd4c20888128f25c49e9622422

  • SHA1

    fbf81bea05ae08f6290547be85a42aa5d5418143

  • SHA256

    0e2e772188ed3497c81992630798d2cbdc1fea446406fbe0e11204db26fdf0a3

  • SHA512

    6827be9c8f037301f028b82496059ac2d6363f5c571dedcc289c693326e60641c5229401b2b26a8396faadd5babeb69fd53b7586487cee98cd27f53e7041204d

  • SSDEEP

    6144:bw0ctxh7aL5+HpBQ9aEa8FCnDeh/448FYDcHfMep9kDXHKjpK:bwYh/444YDm4TqjpK

Malware Config

Signatures

  • ModiLoader, DBatLoader

    ModiLoader is a Delphi loader that misuses cloud services to download other malicious families.

  • Modiloader family
  • ModiLoader Second Stage 1 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Executes dropped EXE 2 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • 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.

  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 10 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\cfbb71cd4c20888128f25c49e9622422_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\cfbb71cd4c20888128f25c49e9622422_JaffaCakes118.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:544
    • C:\Users\Admin\AppData\Local\Temp\sys.dll.exe
      "C:\Users\Admin\AppData\Local\Temp\sys.dll.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of SetThreadContext
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:2968
      • C:\Users\Admin\AppData\Local\Temp\sys.dll.exe
        C:\Users\Admin\AppData\Local\Temp\sys.dll.exe
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Suspicious use of SetWindowsHookEx
        PID:4400

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\sys.dll.exe

    Filesize

    112KB

    MD5

    c6bc08de2aed3a4112471aeef5096117

    SHA1

    d14051c9267df6e5d2b7f49d714fef05bfedbb2b

    SHA256

    e864dedb2b3b35b4d802b385ebb3a57e3e270898eccea7ec76aab7e1440059c9

    SHA512

    9fd5eddb012fee63548b17576d28d77556837bf9c51b8d981b4606aaef7942e85d72e4d28399e59e1b1204e23112eec8a304e8492955bab139936f8c11f0ca8f

  • memory/544-12-0x0000000000400000-0x000000000044D000-memory.dmp

    Filesize

    308KB

  • memory/4400-15-0x0000000000400000-0x0000000000402000-memory.dmp

    Filesize

    8KB

  • memory/4400-18-0x0000000000400000-0x0000000000402000-memory.dmp

    Filesize

    8KB

  • memory/4400-20-0x0000000000400000-0x0000000000401C00-memory.dmp

    Filesize

    7KB

  • memory/4400-21-0x0000000000400000-0x0000000000402000-memory.dmp

    Filesize

    8KB