Analysis

  • max time kernel
    93s
  • max time network
    100s
  • 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, 14:24

General

  • Target

    eb859a82dfde6f43dbe1cd97897db367_JaffaCakes118.exe

  • Size

    488KB

  • MD5

    eb859a82dfde6f43dbe1cd97897db367

  • SHA1

    18130a2463452fed079902362b21fe2bc6aeee85

  • SHA256

    305f80c7408b67df6e4338a32d3c4dfee2cebd565e6d6167fb82ef847c946f96

  • SHA512

    7a6d3ed1f68212ecee5e638df4591c5428e01fa190ea77572d23902c546e4114e607d90a469ceabb564a243f030e802e4661a8b7337acd76bed2e92f445142cb

  • SSDEEP

    12288:xeXr/Cm+XQ9i8aMVkUet7EwBI+APu4UjU:xGr/Cm+X18zVkUetVI5u4+U

Malware Config

Signatures

  • Modifies visibility of file extensions in Explorer 2 TTPs 1 IoCs
  • Disables use of System Restore points 1 TTPs
  • Modifies system executable filetype association 2 TTPs 1 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Drops desktop.ini file(s) 48 IoCs
  • Enumerates connected drives 3 TTPs 21 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Drops autorun.inf file 1 TTPs 47 IoCs

    Malware can abuse Windows Autorun to spread further via attached volumes.

  • Drops file in System32 directory 3 IoCs
  • Drops file in Windows directory 1 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 1 IoCs

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

  • Modifies Control Panel 3 IoCs
  • Modifies registry class 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\eb859a82dfde6f43dbe1cd97897db367_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\eb859a82dfde6f43dbe1cd97897db367_JaffaCakes118.exe"
    1⤵
    • Modifies visibility of file extensions in Explorer
    • Modifies system executable filetype association
    • Adds Run key to start application
    • Drops desktop.ini file(s)
    • Enumerates connected drives
    • Drops autorun.inf file
    • Drops file in System32 directory
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Modifies Control Panel
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    PID:1188
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1188 -s 856
      2⤵
      • Program crash
      PID:3132
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 1188 -ip 1188
    1⤵
      PID:1984

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\Autorun.inf

      Filesize

      97B

      MD5

      e0b7531a87635a0a11dbd9edc02c7bed

      SHA1

      74a50849add50351da332164cbf0ae74a43ce8fe

      SHA256

      20e16cf8b48b2bf3adc59251e7dc293c39eb87922d267a768a403fb76f13d765

      SHA512

      e6cbf6e11ad29d17c219ca44ebbcb43adb76bef3d688f38e43520faded492caff162e249bd477f5441858a26eb567c3f70be3cf3cc181a2fb62aaae4efd23c67

    • C:\Desktop.ini

      Filesize

      212B

      MD5

      ca815edf2e481dd83bd0cff16caaf7a7

      SHA1

      523fa767fac1b4061762c0262d4bc09a1fa7dddf

      SHA256

      f2566afa47cadf4017f82ee80f11355989fd722fbbbbed1954392bbe2aa2b352

      SHA512

      cef1cf04432326393cd700b6c9c4d3d816a61505a3ba99bafc935ffd52a78635130a752d091dd6511d9781ac9458a404bcfc69ca0cdec55da418b3b8bf9dace2

    • C:\Folder.htt

      Filesize

      631B

      MD5

      5313060d847a33c356e4e8e286e3de73

      SHA1

      d2b5e89f1fbb96895371e1cde7997ff76814ea9e

      SHA256

      ee482ee2540efc03f1cba611170096f68e14fd4d39bdc8650f3ef6900799fafc

      SHA512

      8c90a8fd5372dadfe95df1deb07bbd14355620dd067b2cce58f76230e2f99129daf65ddc056cab0902ab2b70a4b838a484f62f37b0436e21a963dd1156f551b0

    • C:\Mr_CoolFace.scr

      Filesize

      488KB

      MD5

      eb859a82dfde6f43dbe1cd97897db367

      SHA1

      18130a2463452fed079902362b21fe2bc6aeee85

      SHA256

      305f80c7408b67df6e4338a32d3c4dfee2cebd565e6d6167fb82ef847c946f96

      SHA512

      7a6d3ed1f68212ecee5e638df4591c5428e01fa190ea77572d23902c546e4114e607d90a469ceabb564a243f030e802e4661a8b7337acd76bed2e92f445142cb