Analysis

  • max time kernel
    148s
  • max time network
    153s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    15/07/2026, 15:01

General

  • Target
    2ac8731327b7f48365cce0cb591ce9496440a051cca2036f4ada9e8ae02cafb0.exe
  • Size 45KB
  • Sample260715-sd87wsh15s
  • SHA256 2ac8731327b7f48365cce0cb591ce9496440a051cca2036f4ada9e8ae02cafb0
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Family
  • asyncrat

Version
  • 0.5.8

Botnet
  • Default

C2
  • sexvietfree.com:80

  • sexvietfree.com:22

  • sexvietfree.com:8080

  • sexvietfree.com:8880

  • sexvietfree.com:2052

  • sexvietfree.com:2082

  • sexvietfree.com:2086

  • sexvietfree.com:2095

  • sexvietfree.com:443

  • sexvietfree.com:2053

  • sexvietfree.com:2083

  • sexvietfree.com:2087

  • sexvietfree.com:2096

  • sexvietfree.com:8443

  • www.sexvietfree.com:80

  • www.sexvietfree.com:22

  • www.sexvietfree.com:8080

  • www.sexvietfree.com:8880

  • www.sexvietfree.com:2052

  • www.sexvietfree.com:2082

Mutex
  • tKjRYh6dsQOh

Attributes
  • delay

    0

  • install

    true

  • install_file

    i7qzdr8.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 29 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 5 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2ac8731327b7f48365cce0cb591ce9496440a051cca2036f4ada9e8ae02cafb0.exe
    "C:\Users\Admin\AppData\Local\Temp\2ac8731327b7f48365cce0cb591ce9496440a051cca2036f4ada9e8ae02cafb0.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4596
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "i7qzdr8" /tr '"C:\Users\Admin\AppData\Roaming\i7qzdr8.exe"' & exit
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:4092
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks /create /f /sc onlogon /rl highest /tn "i7qzdr8" /tr '"C:\Users\Admin\AppData\Roaming\i7qzdr8.exe"'
        3⤵
        • System Location Discovery: System Language Discovery
        • Scheduled Task/Job: Scheduled Task
        PID:4740
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp6BEF.tmp.bat""
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:920
      • C:\Windows\SysWOW64\timeout.exe
        timeout 3
        3⤵
        • System Location Discovery: System Language Discovery
        • Delays execution with timeout.exe
        PID:2564
      • C:\Users\Admin\AppData\Roaming\i7qzdr8.exe
        "C:\Users\Admin\AppData\Roaming\i7qzdr8.exe"
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        PID:1212
  • C:\Users\Admin\AppData\Roaming\i7qzdr8.exe
    "C:\Users\Admin\AppData\Roaming\i7qzdr8.exe"
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    PID:5860

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        tmp6BEF.tmp.bat

        • Path C:\Users\Admin\AppData\Local\Temp\tmp6BEF.tmp.bat
        • Size 151B
        • SHA256 19f5076fac9dcce58d7a661c497872b9c18e7190920a32c113ee42109efecac2
        • MD5 SHA1 SHA512 TLSH

        i7qzdr8.exe

        • Path C:\Users\Admin\AppData\Roaming\i7qzdr8.exe
        • Size 45KB
        • SHA256 2ac8731327b7f48365cce0cb591ce9496440a051cca2036f4ada9e8ae02cafb0
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/4596-0-0x0000000074A62000-0x0000000074A63000-memory.dmp

        memory/4596-1-0x0000000000010000-0x0000000000022000-memory.dmp

        memory/4596-2-0x0000000074A50000-0x000000007520C000-memory.dmp

        memory/4596-3-0x0000000004B60000-0x0000000004BFC000-memory.dmp

        memory/4596-8-0x0000000074A50000-0x000000007520C000-memory.dmp

        memory/5860-12-0x00000000748E0000-0x000000007509C000-memory.dmp

        memory/5860-14-0x00000000748E0000-0x000000007509C000-memory.dmp