Analysis

  • max time kernel
    148s
  • max time network
    152s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260710-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260710-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    01/08/2026, 10:02

General

  • Target
    AsyncRAT.exe
  • Size 56KB
  • Sample260801-l25faagh87
  • SHA256 0338fb249f090e30b6ab29d8edb3ea740332cdbbb489328ec46201179c75c583
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Family
  • asyncrat

Version
  • 0.5.8

Botnet
  • Default

C2
  • perfumesrioja.com:443

  • perfumesrioja.com:8848

  • perfumesrioja.com:8080

Mutex
  • kBVPjakHQ19X

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#.

  • 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).

  • Executes a command shell one-liner 1 TTPs 2 IoCs

    Execution of a cmd.exe one-liner (/c "close" or /k "keep") is a common script/loader stage.

  • 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 31 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:5020
    • 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⤵
      • Executes a command shell one-liner
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2408
      • 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:4172
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmpA704.tmp.bat""
      2⤵
      • Executes a command shell one-liner
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:1132
      • C:\Windows\SysWOW64\timeout.exe
        timeout 3
        3⤵
        • System Location Discovery: System Language Discovery
        • Delays execution with timeout.exe
        PID:300
      • 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:1196
  • 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:1004
  • C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k GPSvcGroup
    1⤵
      PID:5732

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

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          Downloads

          tmpA704.tmp.bat

          • Path C:\Users\Admin\AppData\Local\Temp\tmpA704.tmp.bat
          • Size 152B
          • SHA256 4a4d54867d6471b1b3f3c33341b618789c19735efcf3f3fe6d46d313fa55b864
          • MD5 SHA1 SHA512 TLSH

          AsyncRat.exe

          • Path C:\Users\Admin\AppData\Roaming\AsyncRat.exe
          • Size 56KB
          • SHA256 0338fb249f090e30b6ab29d8edb3ea740332cdbbb489328ec46201179c75c583
          • MD5 SHA1 SHA512 SSDEEP TLSH

          memory/1004-12-0x0000000074940000-0x00000000750FC000-memory.dmp

          memory/1004-14-0x0000000074940000-0x00000000750FC000-memory.dmp

          memory/5020-0-0x0000000074962000-0x0000000074963000-memory.dmp

          memory/5020-1-0x0000000000920000-0x0000000000934000-memory.dmp

          memory/5020-2-0x0000000074950000-0x000000007510C000-memory.dmp

          memory/5020-3-0x0000000005460000-0x00000000054FC000-memory.dmp

          memory/5020-9-0x0000000074950000-0x000000007510C000-memory.dmp