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Analysis

  • max time kernel
    149s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20240705-en
  • resource tags

    arch:x64arch:x86image:win7-20240705-enlocale:en-usos:windows7-x64system
  • submitted
    20/08/2024, 22:12

General

  • Target

    b1099f513a087bc5d67c0738f7c0febf_JaffaCakes118.exe

  • Size

    476KB

  • MD5

    b1099f513a087bc5d67c0738f7c0febf

  • SHA1

    3d4f564da8bcf44e081a1382bac3a7e696b6193e

  • SHA256

    5db3786e086cd72014655d23371bdd8b41de6868f19dc496632ca9b55279403a

  • SHA512

    ba5d1c1bf962f6d7e6c5a41d0325c9c2d64477e4d3b295b63e85771e854c2f4229f7ce9fd8750ca2f8dd4651117769f41fdc8378b3fd1d104b6fd86522f0f123

  • SSDEEP

    12288:J295SNXGoM3JuaC2ovJXdmj+udxfjMD967h7xcNKy7jiIK/APS:J294NLiJNCzJtmFfjU96xc4IzP

Malware Config

Signatures

  • Disables Task Manager via registry modification
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 2 IoCs
  • UPX packed file 3 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Maps connected drives based on registry 3 TTPs 4 IoCs

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

  • 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.

  • Modifies Internet Explorer settings 1 TTPs 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs
  • System policy modification 1 TTPs 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\b1099f513a087bc5d67c0738f7c0febf_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\b1099f513a087bc5d67c0738f7c0febf_JaffaCakes118.exe"
    1⤵
    • Loads dropped DLL
    • Adds Run key to start application
    • Maps connected drives based on registry
    • System Location Discovery: System Language Discovery
    • Modifies Internet Explorer settings
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: RenamesItself
    • Suspicious use of WriteProcessMemory
    • System policy modification
    PID:2324
    • C:\ProgramData\XXiouIlxcI.exe
      "C:\ProgramData\XXiouIlxcI.exe"
      2⤵
      • Executes dropped EXE
      • Maps connected drives based on registry
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      PID:2932

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • \ProgramData\XXiouIlxcI.exe

    Filesize

    476KB

    MD5

    b1099f513a087bc5d67c0738f7c0febf

    SHA1

    3d4f564da8bcf44e081a1382bac3a7e696b6193e

    SHA256

    5db3786e086cd72014655d23371bdd8b41de6868f19dc496632ca9b55279403a

    SHA512

    ba5d1c1bf962f6d7e6c5a41d0325c9c2d64477e4d3b295b63e85771e854c2f4229f7ce9fd8750ca2f8dd4651117769f41fdc8378b3fd1d104b6fd86522f0f123

  • memory/2324-0-0x0000000000220000-0x000000000027F000-memory.dmp

    Filesize

    380KB

  • memory/2324-1-0x0000000000640000-0x0000000000676000-memory.dmp

    Filesize

    216KB

  • memory/2324-2-0x0000000000600000-0x000000000067C000-memory.dmp

    Filesize

    496KB

  • memory/2324-3-0x0000000000220000-0x000000000027F000-memory.dmp

    Filesize

    380KB

  • memory/2324-14-0x0000000000640000-0x0000000000676000-memory.dmp

    Filesize

    216KB

  • memory/2324-16-0x0000000000600000-0x000000000067C000-memory.dmp

    Filesize

    496KB

  • memory/2932-15-0x0000000000600000-0x000000000067C000-memory.dmp

    Filesize

    496KB

  • memory/2932-18-0x0000000000600000-0x000000000067C000-memory.dmp

    Filesize

    496KB

  • memory/2932-19-0x0000000000600000-0x000000000067C000-memory.dmp

    Filesize

    496KB

  • memory/2932-21-0x0000000000600000-0x000000000067C000-memory.dmp

    Filesize

    496KB