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Analysis

  • max time kernel
    150s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    13/10/2024, 13:37

General

  • Target

    4027caff87f91734b950f063d925e06f_JaffaCakes118.exe

  • Size

    152KB

  • MD5

    4027caff87f91734b950f063d925e06f

  • SHA1

    8242f613f245a47c9fde8e80c7ef7e6e3f3d723e

  • SHA256

    e1acf1e2d90cc2abdecff1f02ca78a0891c87a0318556458c4da4eaa74d19109

  • SHA512

    b13f296d756bb6351c39532f2774d37524f73e8ba2b4ec84000d29b8c39e1b777affc4743c4e250c758840266ddb4decdaa975b15860959a290dfa37b3a105ba

  • SSDEEP

    3072:n0/1VE1vtR13FmnmpF+CkvMnQIKAWNBlU/XBq6ci:0/161FR1OmpF+CkvMYcFci

Malware Config

Signatures

  • Modifies visiblity of hidden/system files in Explorer 2 TTPs 2 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 1 IoCs
  • Adds Run key to start application 2 TTPs 27 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Program crash 1 IoCs
  • 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.

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\4027caff87f91734b950f063d925e06f_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\4027caff87f91734b950f063d925e06f_JaffaCakes118.exe"
    1⤵
    • Modifies visiblity of hidden/system files in Explorer
    • Checks computer location settings
    • Adds Run key to start application
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:892
    • C:\Users\Admin\hoxaf.exe
      "C:\Users\Admin\hoxaf.exe"
      2⤵
      • Modifies visiblity of hidden/system files in Explorer
      • Executes dropped EXE
      • Adds Run key to start application
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of SetWindowsHookEx
      PID:1456
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 892 -s 1448
      2⤵
      • Program crash
      PID:4728
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 892 -ip 892
    1⤵
      PID:2260

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\Users\Admin\hoxaf.exe

      Filesize

      152KB

      MD5

      0773e4c16e912dff52ca3a2df8072250

      SHA1

      67ef38528322d39aa755c17e4db04a8802d42cab

      SHA256

      e23cb64c365ce624f7873d88ea5916aa952c8e1305cf05794cf34ceac1540232

      SHA512

      9501102bfd9f648d1d3428e6a0bf12474ff104fecbcc4b182ac146eff8564769eedf634819255768fc837814c8ced5e0fc7694de2c45ced6d1994ca9123db277