Analysis

  • max time kernel
    149s
  • max time network
    123s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    20/09/2024, 14:58

General

  • Target

    edd70f48bda9f3ac92492bc1b4a53cbf_JaffaCakes118.exe

  • Size

    240KB

  • MD5

    edd70f48bda9f3ac92492bc1b4a53cbf

  • SHA1

    d4aa5f520276ed07a0f8bb7df2a570525be0c452

  • SHA256

    bdb539a8feb6cb90b29195ae3e452c57a0ebeddbf6f0232cce6c453617c221d5

  • SHA512

    1acf6c0aeb34ec65b948045e67bbeef9e36f934269871a36eb3f704109942d2252cec62dcf5152d0be04bc47b3dc2ae84593af977624dd97f62e8110f9dd080c

  • SSDEEP

    6144:FUMY3dwqsNwemAB0EqxF6snji81RUinKchhyCSf:LCdQQJsNf

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).

  • 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\edd70f48bda9f3ac92492bc1b4a53cbf_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\edd70f48bda9f3ac92492bc1b4a53cbf_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:3884
    • C:\Users\Admin\luewi.exe
      "C:\Users\Admin\luewi.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:4484

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\luewi.exe

    Filesize

    240KB

    MD5

    c552eed22f02b9245a5ede7b245d6adc

    SHA1

    0027263110df67ac23d7c9e13ad7b10b30e27d5b

    SHA256

    07ef83140f7de964b67856a5ff0c6303c23ad702d849f8946415c3a069d27ae5

    SHA512

    2d25ac74c3329894adbef39eadd9978300d17e92927f5b175bb1e4de1184da6b6acf7907472119cb9441d3525fa4a0b628999980bc90891c69207172e977fe28