Overview

overview

10

Static

static

10

6325456a35...d3.exe

windows10-2004-x64

10

6325456a35...d3.exe

windows11-ltsc_2024-x64

10

Analysis

  • max time kernel
    148s
  • max time network
    149s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260629-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260629-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    03/07/2026, 01:18

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General

  • Target
    6325456a357e575cec9833a14592834380fcc2c60ec1b1a365018d0c60a0e9d3.exe
  • Size 407KB
  • Sample260703-bpdfxsev4n
  • SHA256 6325456a357e575cec9833a14592834380fcc2c60ec1b1a365018d0c60a0e9d3
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
devdefense_evasiondiscoveryexecutionasyncratpersistencerat

Malware Config

Extracted

Family

  • asyncrat

Version

  • 0.5.8

Botnet

  • dev

C2

  • viet69.vg:443

  • viet69.vg:80

  • viet69.vg:53

  • viet69.vg:43

  • viet69.vg:8888

  • viet69.vg:8080

  • cdn.viet69.vg:443

  • cdn.viet69.vg:80

  • cdn.viet69.vg:53

  • cdn.viet69.vg:43

  • cdn.viet69.vg:8888

  • cdn.viet69.vg:8080

  • img.viet69.vg:443

  • img.viet69.vg:80

  • img.viet69.vg:53

  • img.viet69.vg:43

  • img.viet69.vg:8888

  • img.viet69.vg:8080

  • www.viet69.vg:443

  • www.viet69.vg:80

Mutex

  • SbWU4voLVPfv

Attributes
  • delay

    3

  • install

    true

  • install_file

    dev.exe

  • install_folder

    %Temp%

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 3 IoCs
  • Suspicious use of WriteProcessMemory 5 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\6325456a357e575cec9833a14592834380fcc2c60ec1b1a365018d0c60a0e9d3.exe
    "C:\Users\Admin\AppData\Local\Temp\6325456a357e575cec9833a14592834380fcc2c60ec1b1a365018d0c60a0e9d3.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3456
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "dev" /tr '"C:\Users\Admin\AppData\Local\Temp\dev.exe"' & exit
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2932
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks /create /f /sc onlogon /rl highest /tn "dev" /tr '"C:\Users\Admin\AppData\Local\Temp\dev.exe"'
        3⤵
        • System Location Discovery: System Language Discovery
        • Scheduled Task/Job: Scheduled Task
        PID:2116
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmpC416.tmp.bat""
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:4744
      • C:\Windows\SysWOW64\timeout.exe
        timeout 3
        3⤵
        • System Location Discovery: System Language Discovery
        • Delays execution with timeout.exe
        PID:4196
      • C:\Users\Admin\AppData\Local\Temp\dev.exe
        "C:\Users\Admin\AppData\Local\Temp\dev.exe"
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        PID:1876
  • C:\Users\Admin\AppData\Local\Temp\dev.exe
    "C:\Users\Admin\AppData\Local\Temp\dev.exe"
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    PID:4624

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        dev.exe
        • Path C:\Users\Admin\AppData\Local\Temp\dev.exe
        • Size 407KB
        • SHA256 6325456a357e575cec9833a14592834380fcc2c60ec1b1a365018d0c60a0e9d3
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        tmpC416.tmp.bat
        • Path C:\Users\Admin\AppData\Local\Temp\tmpC416.tmp.bat
        • Size 150B
        • SHA256 b67d2551ddccdd4c28e0bfedc3ef10c44dc8ac43ed9d1018caccca31de4e713f
        • MD5 SHA1 SHA512 TLSH
        Submit Download

        memory/3456-0-0x00000000747F2000-0x00000000747F3000-memory.dmp
        Download

        memory/3456-1-0x0000000000E30000-0x0000000000E9C000-memory.dmp
        Download

        memory/3456-2-0x00000000747E0000-0x0000000074F9C000-memory.dmp
        Download

        memory/3456-3-0x0000000005A20000-0x0000000005ABC000-memory.dmp
        Download

        memory/3456-9-0x00000000747E0000-0x0000000074F9C000-memory.dmp
        Download

        memory/4624-12-0x00000000747E0000-0x0000000074F9C000-memory.dmp
        Download

        memory/4624-14-0x00000000747E0000-0x0000000074F9C000-memory.dmp
        Download