Analysis

  • max time kernel
    150s
  • max time network
    150s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    03/04/2024, 19:47

General

  • Target
    2d355ffb085e9a108812ae6ead7df34216167f1d4b68e8b488a1e926ebe26d41.exe
  • Size 356KB
  • Sample240403-yhxmjsbc49
  • SHA256 2d355ffb085e9a108812ae6ead7df34216167f1d4b68e8b488a1e926ebe26d41
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Signatures

  • Detects executables containing possible sandbox analysis VM usernames 17 IoCs
  • UPX dump on OEP (original entry point) 19 IoCs
  • Reads user/profile data of web browsers 2 TTPs

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

  • UPX packed file 19 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 10 IoCs
  • Drops file in Program Files directory 15 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 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2d355ffb085e9a108812ae6ead7df34216167f1d4b68e8b488a1e926ebe26d41.exe
    "C:\Users\Admin\AppData\Local\Temp\2d355ffb085e9a108812ae6ead7df34216167f1d4b68e8b488a1e926ebe26d41.exe"
    1⤵
    • 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:1616
    • C:\Users\Admin\AppData\Local\Temp\2d355ffb085e9a108812ae6ead7df34216167f1d4b68e8b488a1e926ebe26d41.exe
      "C:\Users\Admin\AppData\Local\Temp\2d355ffb085e9a108812ae6ead7df34216167f1d4b68e8b488a1e926ebe26d41.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:2452
      • C:\Users\Admin\AppData\Local\Temp\2d355ffb085e9a108812ae6ead7df34216167f1d4b68e8b488a1e926ebe26d41.exe
        "C:\Users\Admin\AppData\Local\Temp\2d355ffb085e9a108812ae6ead7df34216167f1d4b68e8b488a1e926ebe26d41.exe"
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        PID:1364

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        nude uncut wifey .mpeg.exe

        • Path C:\Program Files\Windows Sidebar\Shared Gadgets\nude uncut wifey .mpeg.exe
        • Size 910KB
        • SHA256 2d5f9920dc677a9ebe198301f1b585777f3f58d9629294c4f725fa6d6e7d6d11
        • MD5 SHA1 SHA512 SSDEEP

        memory/1364-90-0x0000000000400000-0x0000000000420000-memory.dmp

        memory/1616-124-0x0000000000400000-0x0000000000420000-memory.dmp

        memory/1616-116-0x0000000000400000-0x0000000000420000-memory.dmp

        memory/1616-145-0x0000000000400000-0x0000000000420000-memory.dmp

        memory/1616-79-0x0000000004C70000-0x0000000004C90000-memory.dmp

        memory/1616-94-0x0000000000400000-0x0000000000420000-memory.dmp

        memory/1616-142-0x0000000000400000-0x0000000000420000-memory.dmp

        memory/1616-105-0x0000000000400000-0x0000000000420000-memory.dmp

        memory/1616-106-0x0000000004C70000-0x0000000004C90000-memory.dmp

        memory/1616-139-0x0000000000400000-0x0000000000420000-memory.dmp

        memory/1616-110-0x0000000000400000-0x0000000000420000-memory.dmp

        memory/1616-113-0x0000000000400000-0x0000000000420000-memory.dmp

        memory/1616-136-0x0000000000400000-0x0000000000420000-memory.dmp

        memory/1616-121-0x0000000000400000-0x0000000000420000-memory.dmp

        memory/1616-0-0x0000000000400000-0x0000000000420000-memory.dmp

        memory/1616-127-0x0000000000400000-0x0000000000420000-memory.dmp

        memory/1616-130-0x0000000000400000-0x0000000000420000-memory.dmp

        memory/1616-133-0x0000000000400000-0x0000000000420000-memory.dmp

        memory/2452-80-0x0000000000400000-0x0000000000420000-memory.dmp

        memory/2452-109-0x00000000045C0000-0x00000000045E0000-memory.dmp

        memory/2452-103-0x0000000000400000-0x0000000000420000-memory.dmp

        memory/2452-89-0x00000000045C0000-0x00000000045E0000-memory.dmp