Analysis

  • max time kernel
    150s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20240319-en
  • resource tags

    arch:x64arch:x86image:win7-20240319-enlocale:en-usos:windows7-x64system
  • submitted
    15/04/2024, 22:14

General

  • Target

    f20c50457deb80c249d0e7a08ee52811_JaffaCakes118.exe

  • Size

    857KB

  • MD5

    f20c50457deb80c249d0e7a08ee52811

  • SHA1

    87e3650f8628e5546b3b1f037939d4e9a66b3bc9

  • SHA256

    a49b681d40916a5a7a1085d7dfc88962b5cf5c6ae7819c268b78eebeecaea76e

  • SHA512

    59bb9a85437f4226ecc941c0ea2b712227352456977b5e15a0ea6bfa4bda568c2f2a5045c5a96d11d3efb35d9dae2ff65bdb125fd1aac32a41cd21aec499edf8

  • SSDEEP

    24576:zox0HNIx5gptENu/InVwZsePLZzkWgKdw:EI2xmptEN5ANzgKS

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 1 IoCs

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

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Enumerates connected drives 3 TTPs 21 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs

    Bootkits write to the MBR to gain persistence at a level below the operating system.

  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of FindShellTrayWindow 14 IoCs
  • Suspicious use of SendNotifyMessage 14 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\f20c50457deb80c249d0e7a08ee52811_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\f20c50457deb80c249d0e7a08ee52811_JaffaCakes118.exe"
    1⤵
    • Adds Run key to start application
    • Enumerates connected drives
    • Writes to the Master Boot Record (MBR)
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of SetWindowsHookEx
    PID:2348

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • memory/2348-0-0x0000000000400000-0x0000000000A29000-memory.dmp

          Filesize

          6.2MB

        • memory/2348-1-0x00000000002E0000-0x00000000002F0000-memory.dmp

          Filesize

          64KB

        • memory/2348-2-0x0000000000400000-0x0000000000A29000-memory.dmp

          Filesize

          6.2MB

        • memory/2348-4-0x0000000000400000-0x0000000000A29000-memory.dmp

          Filesize

          6.2MB

        • memory/2348-5-0x0000000000400000-0x0000000000A29000-memory.dmp

          Filesize

          6.2MB

        • memory/2348-6-0x00000000002C0000-0x00000000002C1000-memory.dmp

          Filesize

          4KB

        • memory/2348-7-0x0000000000400000-0x0000000000A29000-memory.dmp

          Filesize

          6.2MB

        • memory/2348-8-0x0000000000400000-0x0000000000A29000-memory.dmp

          Filesize

          6.2MB

        • memory/2348-9-0x00000000002E0000-0x00000000002F0000-memory.dmp

          Filesize

          64KB

        • memory/2348-10-0x0000000000400000-0x0000000000A29000-memory.dmp

          Filesize

          6.2MB

        • memory/2348-11-0x0000000000400000-0x0000000000A29000-memory.dmp

          Filesize

          6.2MB

        • memory/2348-12-0x0000000000400000-0x0000000000A29000-memory.dmp

          Filesize

          6.2MB

        • memory/2348-13-0x00000000002C0000-0x00000000002C1000-memory.dmp

          Filesize

          4KB

        • memory/2348-14-0x0000000000400000-0x0000000000A29000-memory.dmp

          Filesize

          6.2MB

        • memory/2348-15-0x0000000000400000-0x0000000000A29000-memory.dmp

          Filesize

          6.2MB

        • memory/2348-16-0x0000000000400000-0x0000000000A29000-memory.dmp

          Filesize

          6.2MB

        • memory/2348-18-0x0000000000400000-0x0000000000A29000-memory.dmp

          Filesize

          6.2MB

        • memory/2348-19-0x0000000000400000-0x0000000000A29000-memory.dmp

          Filesize

          6.2MB

        • memory/2348-20-0x0000000000400000-0x0000000000A29000-memory.dmp

          Filesize

          6.2MB

        • memory/2348-21-0x0000000000400000-0x0000000000A29000-memory.dmp

          Filesize

          6.2MB

        • memory/2348-22-0x0000000000400000-0x0000000000A29000-memory.dmp

          Filesize

          6.2MB

        • memory/2348-23-0x0000000000400000-0x0000000000A29000-memory.dmp

          Filesize

          6.2MB

        • memory/2348-24-0x0000000000400000-0x0000000000A29000-memory.dmp

          Filesize

          6.2MB

        • memory/2348-25-0x0000000000400000-0x0000000000A29000-memory.dmp

          Filesize

          6.2MB

        • memory/2348-26-0x0000000000400000-0x0000000000A29000-memory.dmp

          Filesize

          6.2MB