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Analysis

  • max time kernel
    148s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    09/08/2024, 21:52

General

  • Target

    83afda3367cd7f6b82d6ab483d1e923e_JaffaCakes118.exe

  • Size

    17KB

  • MD5

    83afda3367cd7f6b82d6ab483d1e923e

  • SHA1

    cafd03d260613936662a34f77d49f83bc51ecf6d

  • SHA256

    81233a60a00f9ceca0b97caccc717d58dcb8d5739a612ca47aaae517306fb192

  • SHA512

    1fe94b34da81a4b33856e3203271b8fac9c3222f344b43460437fe8f7d4cf5407418c664e4b8fe1d5c9f7566b236b4a636bbe7de06657b4818c70fa9d53e691e

  • SSDEEP

    384:atPEVxH3L5TkLrg4iq+LRIgy64FyKJACzYcCe:aVEXbJk3Kmy4FzYcCe

Score
7/10

Malware Config

Signatures

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Executes dropped EXE 1 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Checks processor information in registry 2 TTPs 3 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Enumerates system info in registry 2 TTPs 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\83afda3367cd7f6b82d6ab483d1e923e_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\83afda3367cd7f6b82d6ab483d1e923e_JaffaCakes118.exe"
    1⤵
    • Checks computer location settings
    • Adds Run key to start application
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4976
    • C:\Users\Admin\AppData\Local\Temp\msdn.exe
      "C:\Users\Admin\AppData\Local\Temp\msdn.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:4244
      • C:\Windows\Microsoft.NET\Framework64\v2.0.50727\dw20.exe
        dw20.exe -x -s 1020
        3⤵
        • Checks processor information in registry
        • Enumerates system info in registry
        • Suspicious use of AdjustPrivilegeToken
        PID:2036

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\msdn.exe

    Filesize

    17KB

    MD5

    83afda3367cd7f6b82d6ab483d1e923e

    SHA1

    cafd03d260613936662a34f77d49f83bc51ecf6d

    SHA256

    81233a60a00f9ceca0b97caccc717d58dcb8d5739a612ca47aaae517306fb192

    SHA512

    1fe94b34da81a4b33856e3203271b8fac9c3222f344b43460437fe8f7d4cf5407418c664e4b8fe1d5c9f7566b236b4a636bbe7de06657b4818c70fa9d53e691e

  • memory/4244-18-0x00007FFA831E0000-0x00007FFA83B81000-memory.dmp

    Filesize

    9.6MB

  • memory/4244-25-0x00007FFA831E0000-0x00007FFA83B81000-memory.dmp

    Filesize

    9.6MB

  • memory/4976-0-0x00007FFA83495000-0x00007FFA83496000-memory.dmp

    Filesize

    4KB

  • memory/4976-1-0x000000001BAE0000-0x000000001BB86000-memory.dmp

    Filesize

    664KB

  • memory/4976-2-0x00007FFA831E0000-0x00007FFA83B81000-memory.dmp

    Filesize

    9.6MB

  • memory/4976-5-0x00007FFA831E0000-0x00007FFA83B81000-memory.dmp

    Filesize

    9.6MB

  • memory/4976-17-0x00007FFA831E0000-0x00007FFA83B81000-memory.dmp

    Filesize

    9.6MB