Analysis

  • max time kernel
    6s
  • max time network
    143s
  • 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, 17:37

General

  • Target
    4252186e6677d4bd3e78a4082a7a4b4390ee2c527f61fd5ebd94c7c583a10711.exe
  • Size 45KB
  • Sample260712-v7dn7aev9q
  • SHA256 4252186e6677d4bd3e78a4082a7a4b4390ee2c527f61fd5ebd94c7c583a10711
  • 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
  • kKhAJ2lqzbh0

Attributes
  • delay

    0

  • install

    true

  • install_file

    esgvqzz.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 1 IoCs
  • Suspicious use of WriteProcessMemory 5 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\4252186e6677d4bd3e78a4082a7a4b4390ee2c527f61fd5ebd94c7c583a10711.exe
    "C:\Users\Admin\AppData\Local\Temp\4252186e6677d4bd3e78a4082a7a4b4390ee2c527f61fd5ebd94c7c583a10711.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3128
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "esgvqzz" /tr '"C:\Users\Admin\AppData\Roaming\esgvqzz.exe"' & exit
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2636
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks /create /f /sc onlogon /rl highest /tn "esgvqzz" /tr '"C:\Users\Admin\AppData\Roaming\esgvqzz.exe"'
        3⤵
        • System Location Discovery: System Language Discovery
        • Scheduled Task/Job: Scheduled Task
        PID:3304
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp4685.tmp.bat""
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:3384
      • C:\Windows\SysWOW64\timeout.exe
        timeout 3
        3⤵
        • System Location Discovery: System Language Discovery
        • Delays execution with timeout.exe
        PID:1224
      • C:\Users\Admin\AppData\Roaming\esgvqzz.exe
        "C:\Users\Admin\AppData\Roaming\esgvqzz.exe"
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        PID:3228
  • C:\Users\Admin\AppData\Roaming\esgvqzz.exe
    "C:\Users\Admin\AppData\Roaming\esgvqzz.exe"
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    PID:4220

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        tmp4685.tmp.bat

        • Path C:\Users\Admin\AppData\Local\Temp\tmp4685.tmp.bat
        • Size 151B
        • SHA256 ff427a3d015672e1e2d5150fd705844a90b0eb733a7eb162834a770d67629b3b
        • MD5 SHA1 SHA512 TLSH

        esgvqzz.exe

        • Path C:\Users\Admin\AppData\Roaming\esgvqzz.exe
        • Size 45KB
        • SHA256 4252186e6677d4bd3e78a4082a7a4b4390ee2c527f61fd5ebd94c7c583a10711
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/3128-0-0x0000000074952000-0x0000000074953000-memory.dmp

        memory/3128-1-0x0000000000680000-0x0000000000692000-memory.dmp

        memory/3128-2-0x0000000074940000-0x00000000750FC000-memory.dmp

        memory/3128-3-0x0000000005280000-0x000000000531C000-memory.dmp

        memory/3128-8-0x0000000074940000-0x00000000750FC000-memory.dmp

        memory/4220-12-0x00000000747D0000-0x0000000074F8C000-memory.dmp

        memory/4220-14-0x00000000747D0000-0x0000000074F8C000-memory.dmp