Overview

overview

10

Static

static

10

4bc4683361...ff.exe

windows10-2004-x64

10

4bc4683361...ff.exe

windows11-ltsc_2024-x64

10

Analysis

  • max time kernel
    148s
  • max time network
    149s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    11/07/2026, 10:36

Sharing

Copy URL Twitter E-mail
Report Analysis Logs

General

  • Target
    4bc4683361628291a152c2859c0904eab13f4fde840dfe34af7ea66ae70f3dff.exe
  • Size 45KB
  • Sample260711-mnajesh191
  • SHA256 4bc4683361628291a152c2859c0904eab13f4fde840dfe34af7ea66ae70f3dff
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
defaultdefense_evasiondiscoveryexecutionasyncratpersistencerat

Malware Config

Extracted

Family

  • asyncrat

Version

  • 0.5.8

Botnet

  • Default

C2

  • bvdhosting.nl:80

  • bvdhosting.nl:22

  • bvdhosting.nl:8080

  • bvdhosting.nl:8880

  • bvdhosting.nl:2052

  • bvdhosting.nl:2082

  • bvdhosting.nl:2086

  • bvdhosting.nl:2095

  • bvdhosting.nl:443

  • bvdhosting.nl:2053

  • bvdhosting.nl:2083

  • bvdhosting.nl:2087

  • bvdhosting.nl:2096

  • bvdhosting.nl:8443

  • www.bvdhosting.nl:80

  • www.bvdhosting.nl:22

  • www.bvdhosting.nl:8080

  • www.bvdhosting.nl:8880

  • www.bvdhosting.nl:2052

  • www.bvdhosting.nl:2082

Mutex

  • Sff8qvodTRrV

Attributes
  • delay

    0

  • install

    true

  • install_file

    vnk0mx.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
  • 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.

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

Processes

  • C:\Users\Admin\AppData\Local\Temp\4bc4683361628291a152c2859c0904eab13f4fde840dfe34af7ea66ae70f3dff.exe
    "C:\Users\Admin\AppData\Local\Temp\4bc4683361628291a152c2859c0904eab13f4fde840dfe34af7ea66ae70f3dff.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:5808
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "vnk0mx" /tr '"C:\Users\Admin\AppData\Roaming\vnk0mx.exe"' & exit
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:956
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks /create /f /sc onlogon /rl highest /tn "vnk0mx" /tr '"C:\Users\Admin\AppData\Roaming\vnk0mx.exe"'
        3⤵
        • System Location Discovery: System Language Discovery
        • Scheduled Task/Job: Scheduled Task
        PID:768
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp4740.tmp.bat""
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2316
      • C:\Windows\SysWOW64\timeout.exe
        timeout 3
        3⤵
        • System Location Discovery: System Language Discovery
        • Delays execution with timeout.exe
        PID:2020
      • C:\Users\Admin\AppData\Roaming\vnk0mx.exe
        "C:\Users\Admin\AppData\Roaming\vnk0mx.exe"
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        PID:5376
  • C:\Users\Admin\AppData\Roaming\vnk0mx.exe
    "C:\Users\Admin\AppData\Roaming\vnk0mx.exe"
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    PID:5612

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        tmp4740.tmp.bat
        • Path C:\Users\Admin\AppData\Local\Temp\tmp4740.tmp.bat
        • Size 150B
        • SHA256 5a420afae4683dca4af5e9419c56b7f7f5051f22c5fa2c65513fa0b0e11f3f49
        • MD5 SHA1 SHA512 TLSH
        Submit Download

        vnk0mx.exe
        • Path C:\Users\Admin\AppData\Roaming\vnk0mx.exe
        • Size 45KB
        • SHA256 4bc4683361628291a152c2859c0904eab13f4fde840dfe34af7ea66ae70f3dff
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        memory/5612-12-0x0000000074340000-0x0000000074AFC000-memory.dmp
        Download

        memory/5612-14-0x0000000074340000-0x0000000074AFC000-memory.dmp
        Download

        memory/5808-0-0x00000000744C2000-0x00000000744C3000-memory.dmp
        Download

        memory/5808-1-0x00000000008C0000-0x00000000008D2000-memory.dmp
        Download

        memory/5808-2-0x00000000744B0000-0x0000000074C6C000-memory.dmp
        Download

        memory/5808-3-0x00000000053B0000-0x000000000544C000-memory.dmp
        Download

        memory/5808-8-0x00000000744B0000-0x0000000074C6C000-memory.dmp
        Download