Overview

overview

10

Static

static

10

AsyncRAT.exe

windows10-2004-x64

10

AsyncRAT.exe

windows11-21h2-x64

10

Analysis

  • max time kernel
    149s
  • max time network
    146s
  • platform
    windows11-21h2_x64
  • resource
    win11-20260513-en
  • resource tags

    arch:x64arch:x86image:win11-20260513-enlocale:en-usos:windows11-21h2-x64systemwindows
  • submitted
    05/06/2026, 04:24

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General

  • Target
    AsyncRAT.exe
  • Size 56KB
  • Sample260605-e1kk6aaz5w
  • SHA256 b976c4904d53ac41f8db8f2c1a06fc5ee8bcaee4e94974b08efa88952194d956
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
defaultdefense_evasiondiscoveryexecutionasyncratpersistencerat

Malware Config

Extracted

Family

  • asyncrat

Version

  • 0.5.8

Botnet

  • Default

C2

  • catenet.my:443

  • catenet.my:8848

  • catenet.my:8080

Mutex

  • TBqzBekQyHvO

Attributes
  • delay

    3

  • install

    true

  • install_file

    AsyncRat.exe

  • install_folder

    %AppData%

aes.plain

Signatures

  • Family: AsyncRat

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

    ratasyncrat
  • Async RAT payload 1 IoCs
    rat
  • 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.

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

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

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

Processes

  • C:\Users\Admin\AppData\Local\Temp\AsyncRAT.exe
    "C:\Users\Admin\AppData\Local\Temp\AsyncRAT.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2992
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "AsyncRat" /tr '"C:\Users\Admin\AppData\Roaming\AsyncRat.exe"' & exit
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:4356
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks /create /f /sc onlogon /rl highest /tn "AsyncRat" /tr '"C:\Users\Admin\AppData\Roaming\AsyncRat.exe"'
        3⤵
        • System Location Discovery: System Language Discovery
        • Scheduled Task/Job: Scheduled Task
        PID:2152
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp3479.tmp.bat""
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:4904
      • C:\Windows\SysWOW64\timeout.exe
        timeout 3
        3⤵
        • System Location Discovery: System Language Discovery
        • Delays execution with timeout.exe
        PID:4516
      • C:\Users\Admin\AppData\Roaming\AsyncRat.exe
        "C:\Users\Admin\AppData\Roaming\AsyncRat.exe"
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        PID:5064
  • C:\Users\Admin\AppData\Roaming\AsyncRat.exe
    "C:\Users\Admin\AppData\Roaming\AsyncRat.exe"
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    PID:4088

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        AsyncRat.exe.log
        • Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\AsyncRat.exe.log
        • Size 522B
        • SHA256 3a8c487575696f7ace931dc220c85a47d33e0ead96aa9e47c705fee5dfac667a
        • MD5 SHA1 SHA512 TLSH
        Submit Download

        tmp3479.tmp.bat
        • Path C:\Users\Admin\AppData\Local\Temp\tmp3479.tmp.bat
        • Size 152B
        • SHA256 bd9c9135475226c10028b71a6390cea478b79622b72f3b7b85ed4cc3c9b27854
        • MD5 SHA1 SHA512 TLSH
        Submit Download

        AsyncRat.exe
        • Path C:\Users\Admin\AppData\Roaming\AsyncRat.exe
        • Size 56KB
        • SHA256 b976c4904d53ac41f8db8f2c1a06fc5ee8bcaee4e94974b08efa88952194d956
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        memory/2992-0-0x00000000001D0000-0x00000000001E4000-memory.dmp
        Download

        memory/2992-1-0x0000000004D50000-0x0000000004D60000-memory.dmp
        Download

        memory/2992-2-0x0000000004C90000-0x0000000004D2C000-memory.dmp
        Download