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Analysis

  • max time kernel
    149s
  • max time network
    95s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    13/10/2024, 00:21

General

  • Target

    3ccf52ad85d92aa1f8e96d52eafa973d_JaffaCakes118.exe

  • Size

    304KB

  • MD5

    3ccf52ad85d92aa1f8e96d52eafa973d

  • SHA1

    31d602cefdab2e805e85362ea03e2c63ef6a9067

  • SHA256

    d3d5d0ecdd18af2e83b3de9fbc3d332700981091c067f79134458949bca384fc

  • SHA512

    9bb5a54e0f0866f424554a0ae8dbf6a3ccc7e9bdd7e46590e92fc1ae9a83bb268b570a5b47da547ba1fd3413ac4585f100833072fbe609edce0bc3421bf74f74

  • SSDEEP

    6144:XdVaKl/9f8AbGcdeoDW+/OWtb9yOPmeAVbfP1r4riA7AroW+nYaFyzf/H551FjmZ:XDx/9UtO2TW00UM5AEPoViJAndeyC

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 51 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\3ccf52ad85d92aa1f8e96d52eafa973d_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\3ccf52ad85d92aa1f8e96d52eafa973d_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:3560
    • C:\Users\Admin\tuopioj.exe
      "C:\Users\Admin\tuopioj.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:4788

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\tuopioj.exe

    Filesize

    304KB

    MD5

    0784b1860ed9242a9d03183311c3eb45

    SHA1

    af5488698c0502bfafa664b45ec499f3e0665e78

    SHA256

    80dc7cf590dcce3f5edb948b0b54f3add15b5b11d26093eb95e3b3fab28eb38b

    SHA512

    63d6e3507832511d301e8b65bf50868d4fd69f70c83b46aa643377c242706fedd4f7a483ad6d62f8b24858fa246454174e3eeee4b7caca67018ec53bceaeb2ea