Analysis

  • max time kernel
    899s
  • max time network
    904s
  • platform
    windows11-21h2_x64
  • resource
    win11-20241007-en
  • resource tags

    arch:x64arch:x86image:win11-20241007-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    08/01/2025, 00:42

General

  • Target
    Client - Copy (16).exe
  • Size 74KB
  • Sample250108-a2bmesykbn
  • SHA256 2a1b43cafc7425461176f66986b25408dca8fedef6ec84b411a82da5be8953ab
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • asyncrat

Version
  • Venom RAT + HVNC + Stealer + Grabber v6.0.3

Botnet
  • Default

C2
  • 159.203.126.35:22279

Mutex
  • hnfkoikowllyvsdhi

Attributes
  • delay

    1

  • install

    false

  • install_folder

    %AppData%

aes.plain

Signatures

  • AsyncRat

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

  • Asyncrat family
  • Checks installed software on the system 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Client - Copy (16).exe
    "C:\Users\Admin\AppData\Local\Temp\Client - Copy (16).exe"
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    PID:1744

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        memory/1744-0-0x00007FFEF38D3000-0x00007FFEF38D5000-memory.dmp

        memory/1744-1-0x00000000000D0000-0x00000000000E8000-memory.dmp

        memory/1744-3-0x00007FFEF38D0000-0x00007FFEF4392000-memory.dmp

        memory/1744-4-0x00007FFEF38D0000-0x00007FFEF4392000-memory.dmp

        memory/1744-8-0x00007FFEF38D0000-0x00007FFEF4392000-memory.dmp

        memory/1744-9-0x00007FFEF38D0000-0x00007FFEF4392000-memory.dmp

        memory/1744-10-0x00007FFEF38D3000-0x00007FFEF38D5000-memory.dmp

        memory/1744-11-0x00007FFEF38D0000-0x00007FFEF4392000-memory.dmp

        memory/1744-12-0x00007FFEF38D0000-0x00007FFEF4392000-memory.dmp

        memory/1744-13-0x00007FFEF38D0000-0x00007FFEF4392000-memory.dmp

        memory/1744-14-0x00007FFEF38D0000-0x00007FFEF4392000-memory.dmp