Analysis

  • max time kernel
    83s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230220-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
  • submitted
    14/05/2023, 16:12

General

  • Target
    stub.exe
  • Size 66KB
  • Sample230514-tng2tscd42
  • SHA256 0b994a5aabd30b831215d01db24dbc23ca982e0e0a5afa204c20f1a3ece61498
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • asyncrat

Version
  • | Edit 3LOSH RAT

Botnet
  • Default

C2
  • xavierat.ddnsfree.com:6606

  • xavierat.ddnsfree.com:7707

  • xavierat.ddnsfree.com:8808

Mutex
  • AsyncMutex_hdtf

Attributes
  • delay

    3

  • install

    false

  • install_folder

    %AppData%

aes.plain

Signatures

  • AsyncRat

    AsyncRAT is designed to remotely monitor and control other computers written in C#.

  • Async RAT payload 1 IoCs
  • Reads user/profile data of web browsers 2 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\stub.exe
    "C:\Users\Admin\AppData\Local\Temp\stub.exe"
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    PID:1232

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        memory/1232-133-0x00000000001D0000-0x00000000001E6000-memory.dmp

        memory/1232-134-0x00000000023E0000-0x00000000023F0000-memory.dmp

        memory/1232-135-0x00000000052E0000-0x0000000005884000-memory.dmp

        memory/1232-136-0x0000000004F20000-0x0000000004FB2000-memory.dmp

        memory/1232-137-0x0000000004F00000-0x0000000004F0A000-memory.dmp

        memory/1232-138-0x0000000005A70000-0x0000000005B0C000-memory.dmp

        memory/1232-139-0x00000000059D0000-0x0000000005A36000-memory.dmp

        memory/1232-140-0x00000000023E0000-0x00000000023F0000-memory.dmp