Analysis

  • max time kernel
    150s
  • max time network
    154s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240730-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240730-enlocale:en-usos:windows10-2004-x64system
  • submitted
    01/08/2024, 21:35

General

  • Target

    81cec0a80f6895d0210b921db90917fd_JaffaCakes118.exe

  • Size

    90KB

  • MD5

    81cec0a80f6895d0210b921db90917fd

  • SHA1

    0b086722123d4b6d17082a99a1c0f76cdd49baff

  • SHA256

    72961492ec678e75561186f01c01d9562a4a01291fd8b4bc1319c55df60c4579

  • SHA512

    666e26a6720caa08bcc03200e6e8b69395ade0d0419e85ac551641c3b326dbfb56fee27dc7f2b2c995d64b07a304a7af90126450f7b01faaff82b1c3f2080dca

  • SSDEEP

    1536:IpgpHzb9dZVX9fHMvG0D3XJySnZZZZiECbCXa8ZCDy/JRiBMo4:+gXdZt9P6D3XJX6hCXfZC+/Je4

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Reads user/profile data of web browsers 2 TTPs

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

  • Drops file in Program Files directory 2 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 use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SendNotifyMessage 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\81cec0a80f6895d0210b921db90917fd_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\81cec0a80f6895d0210b921db90917fd_JaffaCakes118.exe"
    1⤵
    • Drops file in Program Files directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of WriteProcessMemory
    PID:2292
    • C:\Program Files (x86)\TMonitor\tmonitor.exe
      "C:\Program Files (x86)\TMonitor\tmonitor.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      PID:1524

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Program Files (x86)\TMonitor\TMonitor.exe

    Filesize

    39KB

    MD5

    88982a682c91c1d25336563fd1fa09fd

    SHA1

    8034df410637a61266736018d8364fa9346fe6c3

    SHA256

    da347ceacc50bfa9a0f4e9b529b7945007de4a99504f898c8bfa613961444ec1

    SHA512

    fc1e20bb6d3f40bd616daa9dc1b3438bd6cfac515298e7dfd8d0f1b72cd2ede98e9ae4071d8d9866775b594bef4e92a5447a86df700bd5a10c629edac87e101b