Overview

overview

10

Static

static

10

Client.exe

windows10-2004-x64

10

Client.exe

windows11-ltsc_2024-x64

10

Analysis

  • max time kernel
    149s
  • max time network
    141s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260911-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260911-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    09/10/2026, 14:00

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General

  • Target
    Client.exe
  • Size 74KB
  • Sample261009-ra7dfsbc98
  • SHA256 edd8babd11621c8ec12ea7a01c141615089a77d755fab43b30507da28653558d
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
defaultdefense_evasiondiscoveryexecutionasyncratpersistencerat

Malware Config

Extracted

Family

  • asyncrat

Version

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

Botnet

  • Default

C2

  • 3.24.186.0:4449

Mutex

  • zpawtvcxquw

Attributes
  • delay

    1

  • install

    true

  • install_file

    windows-utility-manager.exe

  • install_folder

    %AppData%

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
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

    discovery
  • 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
  • Reads the TCP/IP host and domain name from the registry 1 TTPs 2 IoCs

    The configured hostname and DNS domain identify the machine and are commonly collected to profile a host before it reports in.

    discovery
  • 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 26 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\Client.exe
    "C:\Users\Admin\AppData\Local\Temp\Client.exe"
    1⤵
    • Checks computer location settings
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3904
    • C:\Windows\System32\cmd.exe
      "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "windows-utility-manager" /tr '"C:\Users\Admin\AppData\Roaming\windows-utility-manager.exe"' & exit
      2⤵
      • Executes a command shell one-liner
      • Suspicious use of WriteProcessMemory
      PID:4928
      • C:\Windows\system32\schtasks.exe
        schtasks /create /f /sc onlogon /rl highest /tn "windows-utility-manager" /tr '"C:\Users\Admin\AppData\Roaming\windows-utility-manager.exe"'
        3⤵
        • Scheduled Task/Job: Scheduled Task
        PID:4060
    • C:\Windows\system32\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmpCE19.tmp.bat""
      2⤵
      • Executes a command shell one-liner
      • Suspicious use of WriteProcessMemory
      PID:4820
      • C:\Windows\system32\timeout.exe
        timeout 3
        3⤵
        • Delays execution with timeout.exe
        PID:1988
      • C:\Users\Admin\AppData\Roaming\windows-utility-manager.exe
        "C:\Users\Admin\AppData\Roaming\windows-utility-manager.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of AdjustPrivilegeToken
        PID:672
  • C:\Users\Admin\AppData\Roaming\windows-utility-manager.exe
    "C:\Users\Admin\AppData\Roaming\windows-utility-manager.exe"
    1⤵
    • Executes dropped EXE
    • Reads the TCP/IP host and domain name from the registry
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    PID:3436

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        tmpCE19.tmp.bat
        • Path C:\Users\Admin\AppData\Local\Temp\tmpCE19.tmp.bat
        • Size 167B
        • SHA256 a0323b062fb342349b43e017be7fa114ac1bc3d568d2b4f4cf950b65123c8694
        • 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

        windows-utility-manager.exe
        • Path C:\Users\Admin\AppData\Roaming\windows-utility-manager.exe
        • Size 74KB
        • SHA256 edd8babd11621c8ec12ea7a01c141615089a77d755fab43b30507da28653558d
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        memory/3436-15-0x000000001ACC0000-0x000000001ACE7000-memory.dmp
        Download

        memory/3904-0-0x0000000000C60000-0x0000000000C78000-memory.dmp
        Download

        memory/3904-2-0x000000001B830000-0x000000001B840000-memory.dmp
        Download