Analysis

  • max time kernel
    150s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    03-06-2024 05:38

General

  • Target

    f6ce4527806a57bf51c4d70befa2a6efd27596e14cc0d5b4e003b9c6aa3873ab.exe

  • Size

    1.3MB

  • MD5

    8b459186df7bd28eb5bbc674629dc771

  • SHA1

    ac31bd70af5d9064b164984e8857ceb98b30cab5

  • SHA256

    f6ce4527806a57bf51c4d70befa2a6efd27596e14cc0d5b4e003b9c6aa3873ab

  • SHA512

    5ae3c142fc5312678b12ebab969019969e8f7c8c488327064f612625be0863b000abead9085f0bceafd67e4cf3e51b3a0c9eb93c7da8df3c196a93d087439eb8

  • SSDEEP

    24576:NSL3qDj0Gtx4G5o/W1jaJ1FX5nymhTUjCOrpXa0lsd1UOztcp30HO7/2PcH0JK1c:NW/G0GCym1CYUjCkpXhsd1FtcMO7iy41

Malware Config

Signatures

  • UPX dump on OEP (original entry point) 1 IoCs
  • Checks computer location settings 2 TTPs 2 IoCs

    Looks up country code configured in the registry, likely geofence.

  • 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
  • Enumerates connected drives 3 TTPs 23 IoCs

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

  • Drops file in System32 directory 12 IoCs
  • Drops file in Program Files directory 18 IoCs
  • Drops file in Windows directory 64 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\f6ce4527806a57bf51c4d70befa2a6efd27596e14cc0d5b4e003b9c6aa3873ab.exe
    "C:\Users\Admin\AppData\Local\Temp\f6ce4527806a57bf51c4d70befa2a6efd27596e14cc0d5b4e003b9c6aa3873ab.exe"
    1⤵
    • Checks computer location settings
    • Adds Run key to start application
    • Enumerates connected drives
    • Drops file in System32 directory
    • Drops file in Program Files directory
    • Drops file in Windows directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:4268
    • C:\Users\Admin\AppData\Local\Temp\f6ce4527806a57bf51c4d70befa2a6efd27596e14cc0d5b4e003b9c6aa3873ab.exe
      "C:\Users\Admin\AppData\Local\Temp\f6ce4527806a57bf51c4d70befa2a6efd27596e14cc0d5b4e003b9c6aa3873ab.exe"
      2⤵
      • Checks computer location settings
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:4552
      • C:\Users\Admin\AppData\Local\Temp\f6ce4527806a57bf51c4d70befa2a6efd27596e14cc0d5b4e003b9c6aa3873ab.exe
        "C:\Users\Admin\AppData\Local\Temp\f6ce4527806a57bf51c4d70befa2a6efd27596e14cc0d5b4e003b9c6aa3873ab.exe"
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        PID:3612

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\french fucking masturbation mature .mpeg.exe

    Filesize

    1.7MB

    MD5

    4fd5ccfb1ba253a60632106442d68e64

    SHA1

    045c66d1fa05d109255b173f62e28fe45bc7cb46

    SHA256

    b00868362fab9c5e7ba13d8a348dfaaa8400e5fb3f6b6f732561b8866cba941d

    SHA512

    848f6c452e6572fc6a976dff75969da97d28eacd42b54b77929d0c6022bc2bcfa4d448468bf5330d573437850933ab375812e88911491ba13535bbc6b1df5622

  • memory/3612-156-0x0000000000400000-0x000000000041E000-memory.dmp

    Filesize

    120KB

  • memory/3612-192-0x0000000000400000-0x000000000041E000-memory.dmp

    Filesize

    120KB

  • memory/4268-0-0x0000000000400000-0x000000000041E000-memory.dmp

    Filesize

    120KB

  • memory/4268-189-0x0000000000400000-0x000000000041E000-memory.dmp

    Filesize

    120KB

  • memory/4552-34-0x0000000000400000-0x000000000041E000-memory.dmp

    Filesize

    120KB

  • memory/4552-191-0x0000000000400000-0x000000000041E000-memory.dmp

    Filesize

    120KB