Analysis

  • max time kernel
    140s
  • max time network
    95s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    19-09-2024 07:09

General

  • Target

    ead21fb652823bb0861ac73a96b23abb_JaffaCakes118.exe

  • Size

    166KB

  • MD5

    ead21fb652823bb0861ac73a96b23abb

  • SHA1

    815e706d7b3fb32adf45bf4aa5759ebdef14e3cc

  • SHA256

    5bef40ada35f18a826b25404aebebc8143e898411d1db77a61f79efa2c018ad7

  • SHA512

    003fdb1f95accfda593dddabc5d0ddd342c43d098f9955da4e083d260cf4e100644e2c7c3223c807fc76a3b0869395d599b15baaaa1f4be8957453910d0d0437

  • SSDEEP

    3072:W0A2QfyV2jXJx+SuH7W575zgrUpWNPFNmHC1NFPqoLFTfPJEA/1w/sgWWr8pIOVl:W0Pexo27pgrvFmEHJnSs1wYzpIOV

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 3 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.

  • Modifies registry class 6 IoCs
  • Suspicious use of WriteProcessMemory 22 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:3476
      • C:\Users\Admin\AppData\Local\Temp\ead21fb652823bb0861ac73a96b23abb_JaffaCakes118.exe
        "C:\Users\Admin\AppData\Local\Temp\ead21fb652823bb0861ac73a96b23abb_JaffaCakes118.exe"
        2⤵
        • Checks computer location settings
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:3488
        • C:\Users\Admin\AppData\Local\Temp\NewSrv3.exe
          "C:\Users\Admin\AppData\Local\Temp\NewSrv3.exe"
          3⤵
          • Executes dropped EXE
          • System Location Discovery: System Language Discovery
          • Modifies registry class
          • Suspicious use of WriteProcessMemory
          PID:3220
          • C:\Users\Admin\AppData\Local\Temp\NewSrv3.exe
            StubPath
            4⤵
            • Executes dropped EXE
            • Suspicious use of SetThreadContext
            • Modifies registry class
            • Suspicious use of WriteProcessMemory
            PID:1424
        • C:\Users\Admin\AppData\Local\Temp\iPatch.exe
          "C:\Users\Admin\AppData\Local\Temp\iPatch.exe"
          3⤵
          • Executes dropped EXE
          • System Location Discovery: System Language Discovery
          PID:2564

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\Users\Admin\AppData\Local\Temp\NewSrv3.exe

      Filesize

      93KB

      MD5

      3efa7fb495c824e4a95d00cc66430fe8

      SHA1

      9774c31e329255a48141ff1cc222910c2ee88668

      SHA256

      c771b008506ae133929d72f5bd69f503de70b02b2e746cd103e00f8850b400ab

      SHA512

      9fb1ed7e2bd6b2292d2b8ef100bc790a0b0fb462bc2b0087735ba81c1a3fe08af2d503dff4d04835414c0356edeb5db949c57c3595ec389a1af4705bdab153af

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

      Filesize

      69KB

      MD5

      59ca358d62b768bdbe842e356a8a799c

      SHA1

      f81e4eb5e4ce5eb2a02c25dba86c35f166eb4b34

      SHA256

      5d5e85edac16fc502eab12d31903d054aea8132f5f27c38d78d65d7e2aec0c77

      SHA512

      4335694d074f26b4dc3ec1ec437e442228a10e286150e676f50e088ade18fb74214a2a01af055a2ec913cd141f89ee837220a646818ae184cff608877425a1d7

    • memory/1424-22-0x0000000000400000-0x000000000041C000-memory.dmp

      Filesize

      112KB

    • memory/1424-24-0x0000000000400000-0x000000000041C000-memory.dmp

      Filesize

      112KB

    • memory/2564-18-0x0000000000400000-0x000000000041E000-memory.dmp

      Filesize

      120KB

    • memory/2564-25-0x0000000000400000-0x000000000041E000-memory.dmp

      Filesize

      120KB

    • memory/3220-14-0x0000000000400000-0x000000000041C000-memory.dmp

      Filesize

      112KB

    • memory/3220-23-0x0000000000400000-0x000000000041C000-memory.dmp

      Filesize

      112KB

    • memory/3488-0-0x0000000000400000-0x000000000042B4A1-memory.dmp

      Filesize

      173KB

    • memory/3488-19-0x0000000000400000-0x000000000042B4A1-memory.dmp

      Filesize

      173KB