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Analysis

  • max time kernel
    149s
  • max time network
    95s
  • 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, 07:01

General

  • Target

    eacf81cdae6384b231c2da59b4b5c904_JaffaCakes118.exe

  • Size

    240KB

  • MD5

    eacf81cdae6384b231c2da59b4b5c904

  • SHA1

    e7000928e017d3605a83ef6a83c9ce121d897aed

  • SHA256

    d90b3f952d12ae3a02a5ab7b3d091abe5e590d93e6c041bdfa3033bec0d521fa

  • SHA512

    9572cb6b0b87c87d3030372f182678fb438a7704973b24129eb051474cc5cbf7757068ccc013badb38d6f11bdb3cc44232f7de2ac3286f4ee02a9ff6eacfe020

  • SSDEEP

    6144:sUZ3dwqsNwemAB0EqxF6snji81RUinKchhyZS3e:NdQQJsAu

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\eacf81cdae6384b231c2da59b4b5c904_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\eacf81cdae6384b231c2da59b4b5c904_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:408
    • C:\Users\Admin\heepuo.exe
      "C:\Users\Admin\heepuo.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:3196

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\heepuo.exe

    Filesize

    240KB

    MD5

    91a60f6746ae92e564897b093b4d5b4f

    SHA1

    22a9d01f13dbf1bb46364826e938d25d74c8d62f

    SHA256

    b7956a6653c0bd334edde0db2adfa30d551e84f31deb772d6d4adb66199f787f

    SHA512

    f60302e42612484e60982df8dee38725b37ce33e621078b66a16ec6b3a94b54bf78512ddb4abe740a69546a837d03b3d79417b507a86320f41902c0869b0dacf