Analysis

  • max time kernel
    76s
  • max time network
    76s
  • platform
    windows7_x64
  • resource
    win7-20240729-en
  • resource tags

    arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
  • submitted
    17/10/2024, 00:18

General

  • Target

    4fd24e3e4ed8faa8693044abb8383814_JaffaCakes118.exe

  • Size

    300KB

  • MD5

    4fd24e3e4ed8faa8693044abb8383814

  • SHA1

    438c3e32998ff9b5d3a0da0dc7ce4494b701df6c

  • SHA256

    0dcefdd71f0a4d38bf9d0215c6f506b7e6795122ca4b8d1a579982df5375148e

  • SHA512

    93300eef021a041e24977f8e6cf6a35dbe2cc0b0c9451b2eeeb7c5b5f79a3a001fff93ee18ecdf444c6f4caabd4b00b7f6595a781cfd681873704813fa69dd8a

  • SSDEEP

    6144:GZbnCYg8OntV3SQ7ONOQpi4QC47Bg9XEY+XvD0timFPnH5ZAhhWNJt:EbnCYg8QVSq4l2BgtE7oXF/ZZACx

Malware Config

Signatures

  • Checks BIOS information in registry 2 TTPs 2 IoCs

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

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 4 IoCs
  • Reads user/profile data of web browsers 3 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Writes to the Master Boot Record (MBR) 1 TTPs 2 IoCs

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

  • 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 4 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of WriteProcessMemory 7 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\4fd24e3e4ed8faa8693044abb8383814_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\4fd24e3e4ed8faa8693044abb8383814_JaffaCakes118.exe"
    1⤵
    • Checks BIOS information in registry
    • Loads dropped DLL
    • Writes to the Master Boot Record (MBR)
    • System Location Discovery: System Language Discovery
    • Checks processor information in registry
    • Suspicious use of WriteProcessMemory
    PID:908
    • C:\Users\Admin\AppData\Local\Temp\uninstall.exe
      C:\Users\Admin\AppData\Local\Temp\uninstall.exe
      2⤵
      • Checks BIOS information in registry
      • Executes dropped EXE
      • Loads dropped DLL
      • Writes to the Master Boot Record (MBR)
      • System Location Discovery: System Language Discovery
      • Checks processor information in registry
      • Suspicious behavior: EnumeratesProcesses
      PID:940

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        • \Users\Admin\AppData\Local\Temp\uninstall.exe

          Filesize

          300KB

          MD5

          4fd24e3e4ed8faa8693044abb8383814

          SHA1

          438c3e32998ff9b5d3a0da0dc7ce4494b701df6c

          SHA256

          0dcefdd71f0a4d38bf9d0215c6f506b7e6795122ca4b8d1a579982df5375148e

          SHA512

          93300eef021a041e24977f8e6cf6a35dbe2cc0b0c9451b2eeeb7c5b5f79a3a001fff93ee18ecdf444c6f4caabd4b00b7f6595a781cfd681873704813fa69dd8a