Analysis

  • max time kernel
    118s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    29/12/2023, 22:22

General

  • Target

    05828faa9ba3fcf70966a7a09f4ddc02.exe

  • Size

    500KB

  • MD5

    05828faa9ba3fcf70966a7a09f4ddc02

  • SHA1

    83771e01eafc5beee49f62833994f679b076f3c3

  • SHA256

    2253005ca9fff67656bbf6740aef1ff7ecfd04ed53238ebcf4f6ea0f1d665a8f

  • SHA512

    4a1ad275f2cea57a7ef7df345984f08526b9c2411a128caeb990afd330f22d97fcb4ff8086047217b8a137bc781f6d777db9cb9b044c32e3b428098063ed9b07

  • SSDEEP

    12288:jbeYuefQI+2yR8PkGIHKJZOSwFykiQmlHSAca3zhSZkL/GDFnSoY:jluefQeyR8PkGIHKbOSwFliSRadekASo

Malware Config

Extracted

Family

metasploit

Version

encoder/fnstenv_mov

Signatures

  • MetaSploit

    Detected malicious payload which is part of the Metasploit Framework, likely generated with msfvenom or similar.

  • Deletes itself 1 IoCs
  • Themida packer 4 IoCs

    Detects Themida, an advanced Windows software protection system.

  • Drops file in System32 directory 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\05828faa9ba3fcf70966a7a09f4ddc02.exe
    "C:\Users\Admin\AppData\Local\Temp\05828faa9ba3fcf70966a7a09f4ddc02.exe"
    1⤵
    • Drops file in System32 directory
    • Suspicious use of WriteProcessMemory
    PID:2156
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\system32\cmd.exe" /c del C:\Users\Admin\AppData\Local\Temp\05828F~1.EXE > NUL
      2⤵
      • Deletes itself
      PID:2740

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/2156-0-0x0000000000400000-0x000000000048F000-memory.dmp

    Filesize

    572KB

  • memory/2156-1-0x0000000000400000-0x000000000048F000-memory.dmp

    Filesize

    572KB

  • memory/2156-2-0x0000000000400000-0x000000000048F000-memory.dmp

    Filesize

    572KB

  • memory/2156-3-0x0000000000400000-0x000000000048F000-memory.dmp

    Filesize

    572KB