Overview

overview

10

Static

static

10

6ba71ed48d...a6.exe

windows10-2004-x64

10

6ba71ed48d...a6.exe

windows11-ltsc_2024-x64

10

Analysis

  • max time kernel
    149s
  • max time network
    146s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260513-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    04/08/2026, 01:16

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General

  • Target
    6ba71ed48ddc33ed555f8f9a99e104970c52011e732a27d2783eec06fbed4ba6.exe
  • Size 245KB
  • Sample260804-bnacwazgla
  • SHA256 6ba71ed48ddc33ed555f8f9a99e104970c52011e732a27d2783eec06fbed4ba6
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
defaultdefense_evasionexecutionasyncratpersistencerat

Malware Config

Extracted

Family

  • asyncrat

Version

  • Venom RAT + HVNC + Stealer + Grabber v6.0.3

Botnet

  • Default

Mutex

  • vs_buildtools

Attributes
  • delay

    1

  • install

    true

  • install_file

    vs_buildtools.exe

  • install_folder

    %AppData%

  • local_host

    127.0.0.1

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
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • 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.

    execution
  • 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 53 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 5 IoCs
  • Uses Task Scheduler COM API 1 TTPs

    The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.

    persistence

Processes

  • C:\Users\Admin\AppData\Local\Temp\6ba71ed48ddc33ed555f8f9a99e104970c52011e732a27d2783eec06fbed4ba6.exe
    "C:\Users\Admin\AppData\Local\Temp\6ba71ed48ddc33ed555f8f9a99e104970c52011e732a27d2783eec06fbed4ba6.exe"
    1⤵
    • Checks computer location settings
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3040
    • C:\Windows\System32\cmd.exe
      "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "vs_buildtools" /tr '"C:\Users\Admin\AppData\Roaming\vs_buildtools.exe"' & exit
      2⤵
      • Executes a command shell one-liner
      • Suspicious use of WriteProcessMemory
      PID:4316
      • C:\Windows\system32\schtasks.exe
        schtasks /create /f /sc onlogon /rl highest /tn "vs_buildtools" /tr '"C:\Users\Admin\AppData\Roaming\vs_buildtools.exe"'
        3⤵
        • Scheduled Task/Job: Scheduled Task
        PID:2120
    • C:\Windows\system32\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp72D9.tmp.bat""
      2⤵
      • Executes a command shell one-liner
      • Suspicious use of WriteProcessMemory
      PID:4332
      • C:\Windows\system32\timeout.exe
        timeout 3
        3⤵
        • Delays execution with timeout.exe
        PID:2660
      • C:\Users\Admin\AppData\Roaming\vs_buildtools.exe
        "C:\Users\Admin\AppData\Roaming\vs_buildtools.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of AdjustPrivilegeToken
        PID:1192
  • C:\Users\Admin\AppData\Roaming\vs_buildtools.exe
    "C:\Users\Admin\AppData\Roaming\vs_buildtools.exe"
    1⤵
    • Executes dropped EXE
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    PID:3960

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        tmp72D9.tmp.bat
        • Path C:\Users\Admin\AppData\Local\Temp\tmp72D9.tmp.bat
        • Size 157B
        • SHA256 d2c4eb9e6f12e9a55e7784af0a35eba96574a4e5c9087975896cfbe2051967bf
        • MD5 SHA1 SHA512 TLSH
        Submit Download

        DataLogs.conf
        • Path C:\Users\Admin\AppData\Roaming\MyData\DataLogs.conf
        • Size 8B
        • SHA256 c9f9f193409217f73cc976ad078c6f8bf65d3aabcf5fad3e5a47536d47aa6761
        • MD5 SHA1 SHA512
        Submit Download

        vs_buildtools.exe
        • Path C:\Users\Admin\AppData\Roaming\vs_buildtools.exe
        • Size 245KB
        • SHA256 6ba71ed48ddc33ed555f8f9a99e104970c52011e732a27d2783eec06fbed4ba6
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        memory/3040-0-0x0000000000500000-0x0000000000542000-memory.dmp
        Download

        memory/3040-2-0x000000001B370000-0x000000001B380000-memory.dmp
        Download