Analysis

  • max time kernel
    262s
  • max time network
    270s
  • platform
    windows10-1703_x64
  • resource
    win10-20231020-en
  • resource tags

    arch:x64arch:x86image:win10-20231020-enlocale:en-usos:windows10-1703-x64system
  • submitted
    26/11/2023, 22:35

General

  • Target

    d363eb55ceaf45f4732d7626ecf984aa9a84893e17201397fed96d803f57412f.exe

  • Size

    237KB

  • MD5

    b1886e56eee344b730dbd3ca44cc8545

  • SHA1

    ffb3033939f598d3da17cea12624a0187a78b488

  • SHA256

    d363eb55ceaf45f4732d7626ecf984aa9a84893e17201397fed96d803f57412f

  • SHA512

    ddf96229ca8bff678569c6bff4010b8b96d8b26786406fd15d6f7c16f989202cc2df465e1d0435429d20f02c948ae3ae17031614b0f17fa29bb37d0317c69c8f

  • SSDEEP

    3072:05sRLyyxfsSrem3lRd5Ubwf+pxZYH7VReWFU5w+IxBb:1MyxS2fawmQHSYzn

Malware Config

Signatures

  • Downloads MZ/PE file
  • Reads data files stored by FTP clients 2 TTPs

    Tries to access configuration files associated with programs like FileZilla.

  • Checks installed software on the system 1 TTPs

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

  • Enumerates physical storage devices 1 TTPs

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

  • Checks processor information in registry 2 TTPs 2 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Delays execution with timeout.exe 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\d363eb55ceaf45f4732d7626ecf984aa9a84893e17201397fed96d803f57412f.exe
    "C:\Users\Admin\AppData\Local\Temp\d363eb55ceaf45f4732d7626ecf984aa9a84893e17201397fed96d803f57412f.exe"
    1⤵
    • Checks processor information in registry
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:4584
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\system32\cmd.exe" /c timeout /t 5 & del /f /q "C:\Users\Admin\AppData\Local\Temp\d363eb55ceaf45f4732d7626ecf984aa9a84893e17201397fed96d803f57412f.exe" & del "C:\ProgramData\*.dll"" & exit
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:4592
      • C:\Windows\SysWOW64\timeout.exe
        timeout /t 5
        3⤵
        • Delays execution with timeout.exe
        PID:4928

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • memory/4584-1-0x00000000007B0000-0x00000000008B0000-memory.dmp

          Filesize

          1024KB

        • memory/4584-2-0x0000000000780000-0x00000000007A8000-memory.dmp

          Filesize

          160KB

        • memory/4584-3-0x0000000000400000-0x000000000063A000-memory.dmp

          Filesize

          2.2MB

        • memory/4584-4-0x0000000000400000-0x000000000063A000-memory.dmp

          Filesize

          2.2MB

        • memory/4584-6-0x0000000000780000-0x00000000007A8000-memory.dmp

          Filesize

          160KB

        • memory/4584-7-0x00000000007B0000-0x00000000008B0000-memory.dmp

          Filesize

          1024KB

        • memory/4584-21-0x0000000061E00000-0x0000000061EF3000-memory.dmp

          Filesize

          972KB

        • memory/4584-39-0x0000000000400000-0x000000000063A000-memory.dmp

          Filesize

          2.2MB