Analysis

  • max time kernel
    141s
  • max time network
    156s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230703-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230703-enlocale:en-usos:windows10-2004-x64system
  • submitted
    13/08/2023, 14:28

General

  • Target
    488cc37920a11c42c5535de635b6bfe121729665e9a5a7a5b9114c33b9493d4a.exe
  • Size 7.8MB
  • Sample230813-rtht7sda55
  • SHA256 488cc37920a11c42c5535de635b6bfe121729665e9a5a7a5b9114c33b9493d4a
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Signatures

  • FatalRat

    FatalRat is a modular infostealer family written in C++ first appearing in June 2021.

  • Gh0st RAT payload 1 IoCs
  • Gh0strat

    Gh0st RAT is a remote access tool (RAT) with its source code public and it has been used by multiple Chinese groups.

  • Fatal Rat payload 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\488cc37920a11c42c5535de635b6bfe121729665e9a5a7a5b9114c33b9493d4a.exe
    "C:\Users\Admin\AppData\Local\Temp\488cc37920a11c42c5535de635b6bfe121729665e9a5a7a5b9114c33b9493d4a.exe"
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4636
    • C:\Users\Public\Downloads\WinLong.exe
      "C:\Users\Public\Downloads\WinLong.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3288

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        WinLong.exe

        • Path C:\Users\Public\Downloads\WinLong.exe
        • Size 7.8MB
        • SHA256 488cc37920a11c42c5535de635b6bfe121729665e9a5a7a5b9114c33b9493d4a
        • MD5 SHA1 SHA512 SSDEEP

        WinLong.exe

        • Path C:\Users\Public\Downloads\WinLong.exe
        • Size 7.8MB
        • SHA256 488cc37920a11c42c5535de635b6bfe121729665e9a5a7a5b9114c33b9493d4a
        • MD5 SHA1 SHA512 SSDEEP

        WinLong.exe

        • Path C:\Users\Public\Downloads\WinLong.exe
        • Size 7.8MB
        • SHA256 488cc37920a11c42c5535de635b6bfe121729665e9a5a7a5b9114c33b9493d4a
        • MD5 SHA1 SHA512 SSDEEP

        memory/4636-133-0x0000000010000000-0x0000000010026000-memory.dmp