Analysis

  • max time kernel
    150s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    13-06-2024 03:45

General

  • Target

    a3b8aa20d726d7b16e7f95682f8c30f9_JaffaCakes118.exe

  • Size

    1.5MB

  • MD5

    a3b8aa20d726d7b16e7f95682f8c30f9

  • SHA1

    cf601f12ba1e820b81171f50cb83a495ce9f8584

  • SHA256

    0655f3f409baf99592b107b74c30e0dfbda2fde25c22df4cc6c2bbcff8d59ea9

  • SHA512

    2612d2863b83bf6f307506093a72ca2c9529ad02407cff3af2be77210d72ae59b2d0dadf26ac93d3afa0e215eeb8e2613c0598311390534b07564ef445df5f1f

  • SSDEEP

    24576:u6pdrEn3YaDRY2ZDINc7CrObWrPUGzsVG/+qD1w+mqPx+hCzHKjUa4m3FqusCA02:umFEIaD22ZwOCrPjws+kfRx+hCzgUa4P

Malware Config

Signatures

  • Reads user/profile data of web browsers 2 TTPs

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

  • UPX packed file 7 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 18 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\a3b8aa20d726d7b16e7f95682f8c30f9_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\a3b8aa20d726d7b16e7f95682f8c30f9_JaffaCakes118.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:4676
    • C:\Users\Admin\AppData\Local\Temp\a3b8aa20d726d7b16e7f95682f8c30f9_JaffaCakes118.exe
      C:\Users\Admin\AppData\Local\Temp\a3b8aa20d726d7b16e7f95682f8c30f9_JaffaCakes118.exe
      2⤵
        PID:4144
      • C:\Users\Admin\AppData\Local\Temp\a3b8aa20d726d7b16e7f95682f8c30f9_JaffaCakes118.exe
        C:\Users\Admin\AppData\Local\Temp\a3b8aa20d726d7b16e7f95682f8c30f9_JaffaCakes118.exe
        2⤵
          PID:3856
        • C:\Users\Admin\AppData\Local\Temp\a3b8aa20d726d7b16e7f95682f8c30f9_JaffaCakes118.exe
          C:\Users\Admin\AppData\Local\Temp\a3b8aa20d726d7b16e7f95682f8c30f9_JaffaCakes118.exe
          2⤵
          • Adds Run key to start application
          • Suspicious use of NtSetInformationThreadHideFromDebugger
          PID:816
      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --field-trial-handle=3416,i,13879737908471496610,15335851594401413307,262144 --variations-seed-version --mojo-platform-channel-handle=4312 /prefetch:8
        1⤵
          PID:1740

        Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • memory/816-7-0x0000000000400000-0x000000000063E000-memory.dmp

          Filesize

          2.2MB

        • memory/816-1-0x0000000000400000-0x000000000063E000-memory.dmp

          Filesize

          2.2MB

        • memory/816-2-0x0000000000400000-0x000000000063E000-memory.dmp

          Filesize

          2.2MB

        • memory/816-4-0x0000000000400000-0x000000000063E000-memory.dmp

          Filesize

          2.2MB

        • memory/816-3-0x0000000000400000-0x000000000063E000-memory.dmp

          Filesize

          2.2MB

        • memory/816-5-0x0000000000400000-0x000000000063E000-memory.dmp

          Filesize

          2.2MB

        • memory/816-8-0x0000000000400000-0x000000000063E000-memory.dmp

          Filesize

          2.2MB

        • memory/816-11-0x0000000000400000-0x000000000063E000-memory.dmp

          Filesize

          2.2MB

        • memory/816-10-0x0000000000400000-0x000000000063E000-memory.dmp

          Filesize

          2.2MB

        • memory/816-9-0x0000000000400000-0x000000000063E000-memory.dmp

          Filesize

          2.2MB

        • memory/816-12-0x0000000000400000-0x000000000063E000-memory.dmp

          Filesize

          2.2MB

        • memory/816-15-0x0000000000400000-0x000000000063E000-memory.dmp

          Filesize

          2.2MB

        • memory/4676-0-0x0000000000A50000-0x0000000000A54000-memory.dmp

          Filesize

          16KB