Analysis

  • max time kernel
    6s
  • max time network
    147s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    12/07/2026, 16:48

General

  • Target
    f444cc159d0a367f1fd16767bc2790d95e4307146879f098e1abd433f5698ffd.exe
  • Size 45KB
  • Sample260712-vbfhxafw2x
  • SHA256 f444cc159d0a367f1fd16767bc2790d95e4307146879f098e1abd433f5698ffd
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Family
  • asyncrat

Version
  • 0.5.8

Botnet
  • Default

C2
  • viet69z.me:80

  • viet69z.me:22

  • viet69z.me:8080

  • viet69z.me:8880

  • viet69z.me:2052

  • viet69z.me:2082

  • viet69z.me:2086

  • viet69z.me:2095

  • viet69z.me:443

  • viet69z.me:2053

  • viet69z.me:2083

  • viet69z.me:2087

  • viet69z.me:2096

  • viet69z.me:8443

  • www.viet69z.me:80

  • www.viet69z.me:22

  • www.viet69z.me:8080

  • www.viet69z.me:8880

  • www.viet69z.me:2052

  • www.viet69z.me:2082

Mutex
  • 9rnReOwzWHaH

Attributes
  • delay

    0

  • install

    true

  • install_file

    ud02e70.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\f444cc159d0a367f1fd16767bc2790d95e4307146879f098e1abd433f5698ffd.exe
    "C:\Users\Admin\AppData\Local\Temp\f444cc159d0a367f1fd16767bc2790d95e4307146879f098e1abd433f5698ffd.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:5124
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "ud02e70" /tr '"C:\Users\Admin\AppData\Roaming\ud02e70.exe"' & exit
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:5960
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks /create /f /sc onlogon /rl highest /tn "ud02e70" /tr '"C:\Users\Admin\AppData\Roaming\ud02e70.exe"'
        3⤵
        • System Location Discovery: System Language Discovery
        • Scheduled Task/Job: Scheduled Task
        PID:3756
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp3A8E.tmp.bat""
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:3520
      • C:\Windows\SysWOW64\timeout.exe
        timeout 3
        3⤵
        • System Location Discovery: System Language Discovery
        • Delays execution with timeout.exe
        PID:2192
      • C:\Users\Admin\AppData\Roaming\ud02e70.exe
        "C:\Users\Admin\AppData\Roaming\ud02e70.exe"
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        PID:2968
  • C:\Users\Admin\AppData\Roaming\ud02e70.exe
    "C:\Users\Admin\AppData\Roaming\ud02e70.exe"
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    PID:5752

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        tmp3A8E.tmp.bat

        • Path C:\Users\Admin\AppData\Local\Temp\tmp3A8E.tmp.bat
        • Size 151B
        • SHA256 26436328dc1502a6537f8a35e5c58972483ffcc0ae462ee57ff03bd000fecc33
        • MD5 SHA1 SHA512 TLSH

        ud02e70.exe

        • Path C:\Users\Admin\AppData\Roaming\ud02e70.exe
        • Size 45KB
        • SHA256 f444cc159d0a367f1fd16767bc2790d95e4307146879f098e1abd433f5698ffd
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/5124-0-0x0000000074D72000-0x0000000074D73000-memory.dmp

        memory/5124-1-0x0000000000030000-0x0000000000042000-memory.dmp

        memory/5124-2-0x0000000074D60000-0x000000007551C000-memory.dmp

        memory/5124-3-0x00000000049E0000-0x0000000004A7C000-memory.dmp

        memory/5124-9-0x0000000074D60000-0x000000007551C000-memory.dmp

        memory/5752-12-0x0000000074D60000-0x000000007551C000-memory.dmp

        memory/5752-14-0x0000000074D60000-0x000000007551C000-memory.dmp