Analysis

  • max time kernel
    140s
  • max time network
    17s
  • platform
    windows7_x64
  • resource
    win7-20240729-en
  • resource tags

    arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
  • submitted
    15/10/2024, 22:28

General

  • Target

    4a4c2fafad27cbf16044476d97435107_JaffaCakes118.exe

  • Size

    420KB

  • MD5

    4a4c2fafad27cbf16044476d97435107

  • SHA1

    fe2bbacfc3de856b66e9845624cc4959c68993ef

  • SHA256

    afcf1be0211a4861e3d623909d938bad4661dd5ae42e7949af63249709a388ea

  • SHA512

    043e1424d155437293d8805a2b39de2690d192b884de39a1bb1f73d9c934aa8dbb7cdc0de6e7e10ce5e177a53b86fb4742aee3e11bb3501afa17e5d972a6bef7

  • SSDEEP

    6144:A5PThKXOCIr/THcclUvDlHBB9qveGUnANsMhf64LhflMBq6Z0iclW:eThKbIr/SZHv4veGhfVLhP6Z0iS

Malware Config

Signatures

  • Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs

    Bootkits write to the MBR to gain persistence at a level below the operating system.

  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Checks processor information in registry 2 TTPs 2 IoCs

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

  • Modifies Internet Explorer settings 1 TTPs 2 IoCs
  • Modifies registry class 5 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\4a4c2fafad27cbf16044476d97435107_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\4a4c2fafad27cbf16044476d97435107_JaffaCakes118.exe"
    1⤵
    • Writes to the Master Boot Record (MBR)
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1172
    • C:\Windows\SysWOW64\explorer.exe
      "C:\Windows\System32\explorer.exe" ::{20D04FE0-3AEA-1069-A2D8-08002B30309D}
      2⤵
      • System Location Discovery: System Language Discovery
      PID:2892
  • C:\Windows\explorer.exe
    C:\Windows\explorer.exe /factory,{75dff2b7-6936-4c06-a8bb-676a7b00b24b} -Embedding
    1⤵
    • Checks processor information in registry
    • Modifies Internet Explorer settings
    • Modifies registry class
    PID:2104

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • memory/1172-0-0x0000000000230000-0x0000000000231000-memory.dmp

          Filesize

          4KB

        • memory/1172-2-0x0000000000400000-0x0000000000470000-memory.dmp

          Filesize

          448KB

        • memory/1172-3-0x0000000000400000-0x0000000000470000-memory.dmp

          Filesize

          448KB

        • memory/2104-1-0x0000000003BA0000-0x0000000003BB0000-memory.dmp

          Filesize

          64KB