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Analysis

  • max time kernel
    150s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    29/03/2024, 11:15

General

  • Target

    209efe65db32679b693b168ccd51a4bc_JaffaCakes118.exe

  • Size

    111KB

  • MD5

    209efe65db32679b693b168ccd51a4bc

  • SHA1

    ca430a22a4155af68beb148fd34032c759326edc

  • SHA256

    b3652318b4839285a244c3cce72ae98597ff6287e9247f5365587981e3067b6e

  • SHA512

    666b0b7bdf20a37779e37fa3601b19139cc014809094101ca1edc2158016b6dfc567b9625638ed5890efcc4835563ee93ac83040ab49e003fbd5e5e140bce5d8

  • SSDEEP

    1536:uP1JI4t8qDwTvD+bFWU+L1i4QmOexXxBxmxZx44D4dMz4n4N4t4R4R7ILiJIIIIN:c1JI4K3p4D4dMz4n4N4t4R4aEIIIIz5

Score
10/10

Malware Config

Signatures

  • Modifies visiblity of hidden/system files in Explorer 2 TTPs 1 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 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\209efe65db32679b693b168ccd51a4bc_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\209efe65db32679b693b168ccd51a4bc_JaffaCakes118.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:3612
    • C:\Users\Admin\guasaa.exe
      "C:\Users\Admin\guasaa.exe"
      2⤵
      • Modifies visiblity of hidden/system files in Explorer
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:3748

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\guasaa.exe

    Filesize

    111KB

    MD5

    6c0392f533ed7c25b1e51d2b4e899be1

    SHA1

    d4c4648b2bd055d4771486e9f77d56252b6da74f

    SHA256

    b83299ae770d02128220805a287ea6f277138d4b70837504b62db32850abb2d7

    SHA512

    d6bcc11db03eee3c96142a5a23bf69da038be4556c9c4f9ca654356d7ba19d2168c200f1ae6fd3931beffc6bdbc616e1a1c7da2eae1ed0ad2bd86d1bc4d656a3