Analysis

  • max time kernel
    149s
  • max time network
    148s
  • platform
    windows11-21h2_x64
  • resource
    win11-20260130-en
  • resource tags

    arch:x64arch:x86image:win11-20260130-enlocale:en-usos:windows11-21h2-x64systemwindows
  • submitted
    15/04/2026, 09:50

General

  • Target
    6c9b29450b4f3550d6d47b8c640722de393d634295d4f8e1dc472b087dded6f1.exe
  • Size 45KB
  • Sample260415-lt5fbaes6t
  • SHA256 6c9b29450b4f3550d6d47b8c640722de393d634295d4f8e1dc472b087dded6f1
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Family
  • asyncrat

Version
  • 0.5.8

Botnet
  • Default

C2
  • 2strokes.com:443

  • 2strokes.com:80

  • www.2strokes.com:443

  • www.2strokes.com:80

  • mydoom.2strokes.com:443

  • mydoom.2strokes.com:80

  • gozi.2strokes.com:443

  • gozi.2strokes.com:80

  • ryuk.2strokes.com:443

  • ryuk.2strokes.com:80

Mutex
  • xKZdVcebghcW

Attributes
  • delay

    0

  • install

    true

  • install_file

    4atf.exe

  • install_folder

    %AppData%

aes.plain

Signatures

  • Family: AsyncRat

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

  • Async RAT payload 1 IoCs
  • Executes dropped EXE 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 7 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Delays execution with timeout.exe 1 IoCs
  • Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 19 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 5 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\6c9b29450b4f3550d6d47b8c640722de393d634295d4f8e1dc472b087dded6f1.exe
    "C:\Users\Admin\AppData\Local\Temp\6c9b29450b4f3550d6d47b8c640722de393d634295d4f8e1dc472b087dded6f1.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:332
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "4atf" /tr '"C:\Users\Admin\AppData\Roaming\4atf.exe"' & exit
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:3228
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks /create /f /sc onlogon /rl highest /tn "4atf" /tr '"C:\Users\Admin\AppData\Roaming\4atf.exe"'
        3⤵
        • System Location Discovery: System Language Discovery
        • Scheduled Task/Job: Scheduled Task
        PID:3888
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmpD15A.tmp.bat""
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:3140
      • C:\Windows\SysWOW64\timeout.exe
        timeout 3
        3⤵
        • System Location Discovery: System Language Discovery
        • Delays execution with timeout.exe
        PID:3548
      • C:\Users\Admin\AppData\Roaming\4atf.exe
        "C:\Users\Admin\AppData\Roaming\4atf.exe"
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        PID:1180
  • C:\Users\Admin\AppData\Roaming\4atf.exe
    "C:\Users\Admin\AppData\Roaming\4atf.exe"
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    PID:1132

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        tmpD15A.tmp.bat

        • Path C:\Users\Admin\AppData\Local\Temp\tmpD15A.tmp.bat
        • Size 148B
        • SHA256 1986041263b78416cda57768e047a8b19425615f19ab15deab028cee0fd3c4a8
        • MD5 SHA1 SHA512 TLSH

        4atf.exe

        • Path C:\Users\Admin\AppData\Roaming\4atf.exe
        • Size 45KB
        • SHA256 6c9b29450b4f3550d6d47b8c640722de393d634295d4f8e1dc472b087dded6f1
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/332-0-0x00000000002F0000-0x0000000000302000-memory.dmp

        memory/332-1-0x0000000005460000-0x0000000005470000-memory.dmp

        memory/332-2-0x0000000005470000-0x000000000550C000-memory.dmp

        memory/332-7-0x0000000000DE0000-0x0000000000E5B000-memory.dmp

        memory/332-8-0x0000000004D30000-0x0000000005332000-memory.dmp

        memory/1132-17-0x0000000001210000-0x000000000128B000-memory.dmp

        memory/1132-18-0x0000000005290000-0x0000000005892000-memory.dmp

        memory/1180-15-0x0000000001210000-0x000000000128B000-memory.dmp

        memory/1180-16-0x00000000052D0000-0x00000000058D2000-memory.dmp

        memory/3548-12-0x0000000000890000-0x000000000090B000-memory.dmp