Analysis

  • max time kernel
    132s
  • max time network
    140s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    19/04/2024, 07:30

General

  • Target

    f9cf05712fffd6e55d3671f89c85acf1_JaffaCakes118.exe

  • Size

    521KB

  • MD5

    f9cf05712fffd6e55d3671f89c85acf1

  • SHA1

    114057b58d260aebff482e11e9a3084a9440e5b2

  • SHA256

    846c04afb140c84156954c9643d454629ad28871707d1b543262a049e6dbed56

  • SHA512

    24efdf32305c2488a34233260f6bb78bebc06c10788d0ee966d00f058c2f1ff4b9374ea447f102b8f836aa2d3e1e6765e3da959521d8ab0c0edd04e5f07912da

  • SSDEEP

    6144:925mswOyIZjyMrmhc2Taw2aOt2da2k78qh90GiTwXw35lk9jgvy89:92wRIZgxOJDz9fA35lk9N

Malware Config

Signatures

  • UAC bypass 3 TTPs 1 IoCs
  • Reads data files stored by FTP clients 2 TTPs

    Tries to access configuration files associated with programs like FileZilla.

  • Reads local data of messenger clients 2 TTPs

    Infostealers often target stored data of messaging applications, which can include saved credentials and account information.

  • Reads user/profile data of web browsers 2 TTPs

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

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Looks up external IP address via web service 3 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Modifies registry key 1 TTPs 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\f9cf05712fffd6e55d3671f89c85acf1_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\f9cf05712fffd6e55d3671f89c85acf1_JaffaCakes118.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1836
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\System32\cmd.exe /k %windir%\System32\reg.exe ADD HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System /v EnableLUA /t REG_DWORD /d 0 /f
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2448
      • C:\Windows\SysWOW64\reg.exe
        C:\Windows\System32\reg.exe ADD HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System /v EnableLUA /t REG_DWORD /d 0 /f
        3⤵
        • UAC bypass
        • Modifies registry key
        PID:2628
  • 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 --mojo-platform-channel-handle=2268 --field-trial-handle=2244,i,11878111470816612087,2265290141962607370,262144 --variations-seed-version /prefetch:8
    1⤵
      PID:2244

    Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

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          Downloads

          • memory/1836-0-0x0000000074B00000-0x00000000750B1000-memory.dmp

            Filesize

            5.7MB

          • memory/1836-1-0x0000000074B00000-0x00000000750B1000-memory.dmp

            Filesize

            5.7MB

          • memory/1836-2-0x0000000001290000-0x00000000012A0000-memory.dmp

            Filesize

            64KB

          • memory/1836-3-0x0000000001290000-0x00000000012A0000-memory.dmp

            Filesize

            64KB

          • memory/1836-4-0x0000000001290000-0x00000000012A0000-memory.dmp

            Filesize

            64KB

          • memory/1836-6-0x0000000001290000-0x00000000012A0000-memory.dmp

            Filesize

            64KB

          • memory/1836-7-0x0000000074B00000-0x00000000750B1000-memory.dmp

            Filesize

            5.7MB

          • memory/1836-8-0x0000000074B00000-0x00000000750B1000-memory.dmp

            Filesize

            5.7MB

          • memory/1836-9-0x0000000001290000-0x00000000012A0000-memory.dmp

            Filesize

            64KB

          • memory/1836-10-0x0000000001290000-0x00000000012A0000-memory.dmp

            Filesize

            64KB

          • memory/1836-11-0x0000000001290000-0x00000000012A0000-memory.dmp

            Filesize

            64KB

          • memory/1836-12-0x0000000001290000-0x00000000012A0000-memory.dmp

            Filesize

            64KB