Analysis

  • max time kernel
    120s
  • max time network
    125s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    18/04/2024, 18:23

General

  • Target

    f8833bbe07a0897f442d62d1b6ee1e1c_JaffaCakes118.exe

  • Size

    167KB

  • MD5

    f8833bbe07a0897f442d62d1b6ee1e1c

  • SHA1

    d3953783b91068e26ca63568c92eea0b2b9a62ac

  • SHA256

    130cc52f96d1bec9ad6febf7986fa7fef9ebfb36830fb393c2b87cce7374c0a1

  • SHA512

    b20676295c0bb94e671c8cce0862259bb4c38a13da9942b3351ac98ef59e3807a4b97e54eb9689569a9acb6e2a8b3600f5209ccd4a79e9bfbadd086b9e0298fd

  • SSDEEP

    1536:GjcznvDjY/u7RLw5gbNsGwDF8JD0+EexHL0Q0/T:GjIvDjnxrnqF8VEexoQ+T

Score
10/10

Malware Config

Signatures

  • Modifies firewall policy service 2 TTPs 2 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 2 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of WriteProcessMemory 19 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\f8833bbe07a0897f442d62d1b6ee1e1c_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\f8833bbe07a0897f442d62d1b6ee1e1c_JaffaCakes118.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2656
    • C:\Users\Admin\AppData\Local\Temp\f8833bbe07a0897f442d62d1b6ee1e1c_JaffaCakes118.exe
      C:\Users\Admin\AppData\Local\Temp\f8833bbe07a0897f442d62d1b6ee1e1c_JaffaCakes118.exe
      2⤵
      • Modifies firewall policy service
      • Loads dropped DLL
      • Adds Run key to start application
      • Suspicious use of WriteProcessMemory
      PID:2832
      • C:\Users\Admin\Microsoft-Driver-1-82-8475-5627-5645\winrsvn.exe
        "C:\Users\Admin\Microsoft-Driver-1-82-8475-5627-5645\winrsvn.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of WriteProcessMemory
        PID:2724
        • C:\Users\Admin\Microsoft-Driver-1-82-8475-5627-5645\winrsvn.exe
          C:\Users\Admin\Microsoft-Driver-1-82-8475-5627-5645\winrsvn.exe
          4⤵
            PID:2608

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\Microsoft-Driver-1-82-8475-5627-5645\winrsvn.exe

      Filesize

      128KB

      MD5

      5963ad5dedc53c7b6376c9c925b1bda4

      SHA1

      5b9319e3176022ffa9d72a5702eed151aeec333f

      SHA256

      21dda96226bcf5b563869b2be795031427fbc6a9d56072f59dfbd6be2c693214

      SHA512

      41d798e61a307fa2b6e0b32fb8a5bf4edfe5e05a664b4a49c5856777174d2dc959cc92c6a1997b60ae5b7664c35a5df6c19b09fbe669d31d017625510e1963d8

    • memory/2656-1-0x0000000000360000-0x000000000038F000-memory.dmp

      Filesize

      188KB

    • memory/2656-0-0x0000000000400000-0x000000000042F000-memory.dmp

      Filesize

      188KB

    • memory/2656-22-0x0000000000400000-0x000000000042F000-memory.dmp

      Filesize

      188KB

    • memory/2724-41-0x0000000000400000-0x000000000042F000-memory.dmp

      Filesize

      188KB

    • memory/2724-37-0x0000000000400000-0x000000000042F000-memory.dmp

      Filesize

      188KB

    • memory/2832-4-0x0000000000400000-0x000000000040B000-memory.dmp

      Filesize

      44KB

    • memory/2832-25-0x0000000000400000-0x000000000040B000-memory.dmp

      Filesize

      44KB

    • memory/2832-15-0x0000000000400000-0x000000000040B000-memory.dmp

      Filesize

      44KB

    • memory/2832-6-0x0000000000400000-0x000000000040B000-memory.dmp

      Filesize

      44KB

    • memory/2832-9-0x0000000000400000-0x000000000040B000-memory.dmp

      Filesize

      44KB

    • memory/2832-2-0x0000000000400000-0x000000000040B000-memory.dmp

      Filesize

      44KB

    • memory/2832-18-0x0000000000400000-0x000000000040B000-memory.dmp

      Filesize

      44KB

    • memory/2832-19-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

      Filesize

      4KB

    • memory/2832-12-0x0000000000400000-0x000000000040B000-memory.dmp

      Filesize

      44KB

    • memory/2832-35-0x0000000002D50000-0x0000000002D7F000-memory.dmp

      Filesize

      188KB

    • memory/2832-24-0x0000000000400000-0x000000000040B000-memory.dmp

      Filesize

      44KB