Analysis

  • max time kernel
    156s
  • max time network
    162s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    25-12-2023 23:03

General

  • Target

    4202894ffe0c73afad4b2d0d59c71c44.exe

  • Size

    36KB

  • MD5

    4202894ffe0c73afad4b2d0d59c71c44

  • SHA1

    9844409fb20fca3332f2dbd16bb1580d4dae47f9

  • SHA256

    9109cf2acaaadd902d8a2b6e4655ae849d53865c6899992f6975fd37a56d8963

  • SHA512

    80501955018260b6ab690acce9f7df0d90455767968b1ccc435c9e087cfb4ff40c4fcd91fdb6d6457bb32649d3fda63435ecd4551141daed8af2448749f2187e

  • SSDEEP

    768:L5uhMogHxJ5CVpm6jFHd+mc+8MfIsVNwDhqpsqc:9FoglCVBjdqz9Nwp0

Score
7/10

Malware Config

Signatures

  • Unexpected DNS network traffic destination 5 IoCs

    Network traffic to other servers than the configured DNS servers was detected on the DNS port.

  • Suspicious use of SetThreadContext 1 IoCs
  • Drops file in Windows directory 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Modifies registry class 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\4202894ffe0c73afad4b2d0d59c71c44.exe
    "C:\Users\Admin\AppData\Local\Temp\4202894ffe0c73afad4b2d0d59c71c44.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:464
    • C:\Users\Admin\AppData\Local\Temp\4202894ffe0c73afad4b2d0d59c71c44.exe
      C:\Users\Admin\AppData\Local\Temp\4202894ffe0c73afad4b2d0d59c71c44.exe
      2⤵
      • Drops file in Windows directory
      • Modifies registry class
      • Suspicious behavior: EnumeratesProcesses
      PID:3488
  • C:\Windows\System32\rundll32.exe
    C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
    1⤵
      PID:2232

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/3488-0-0x0000000000400000-0x0000000000409000-memory.dmp

      Filesize

      36KB

    • memory/3488-2-0x0000000000400000-0x0000000000409000-memory.dmp

      Filesize

      36KB

    • memory/3488-3-0x0000000000400000-0x0000000000409000-memory.dmp

      Filesize

      36KB

    • memory/3488-5-0x0000000000400000-0x0000000000409000-memory.dmp

      Filesize

      36KB

    • memory/3488-7-0x0000000000400000-0x0000000000409000-memory.dmp

      Filesize

      36KB