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Analysis

  • max time kernel
    149s
  • max time network
    148s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    09/09/2024, 10:48

General

  • Target

    d628d90669e3409ac72b97fe57169c84_JaffaCakes118.exe

  • Size

    260KB

  • MD5

    d628d90669e3409ac72b97fe57169c84

  • SHA1

    f5f645e8c84d287712a39b21f249696897f7fb8e

  • SHA256

    e986e4f67e2fb431b2f192f5100418abd22c9679902b3885dc466c9f7bd94956

  • SHA512

    b285fed880d2a22d22032f586e0f443822a8e6d9824182f836dfbbbe3afb6d0ecfb77717d48d6e62216f040735985268841cbd06b7cb0a82db45925039fd043e

  • SSDEEP

    6144:c7ZxrVG3zzyXcM9ZoxtoFIZ93Cv8A/DPPiZi6z:+IzzyXcM9ZoxtoFIZ93Cv8A/DXaz

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 52 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\d628d90669e3409ac72b97fe57169c84_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\d628d90669e3409ac72b97fe57169c84_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:2100
    • C:\Users\Admin\reoaka.exe
      "C:\Users\Admin\reoaka.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:5040

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\reoaka.exe

    Filesize

    260KB

    MD5

    3e813409d3c772c0914b4e6086427e72

    SHA1

    357e25a411558de9890cd50945d6b8eda91d7c6b

    SHA256

    2fb3b57ac840ec20b86664ff3abd2c767b8bc4ca538b8a9868f09f67a13e7437

    SHA512

    f2f828431c54a9505cb32b2af0d97ef2fc05e936a285c96d50b70bca0f53e63a2ba4b6332366deafd802d96454ccf85af1a0038e52b3b6ea60ea64cc70af4ca1