Overview

overview

10

Static

static

10

423e702e52...2f.exe

windows10-2004-x64

10

423e702e52...2f.exe

windows11-ltsc_2024-x64

10

Analysis

  • max time kernel
    148s
  • max time network
    153s
  • 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, 16:54

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General

  • Target
    423e702e52d9ee8d10e9c573a579f524adedb06e08971f6cb3d5ea70afa6c12f.exe
  • Size 45KB
  • Sample260711-ves86sfw2j
  • SHA256 423e702e52d9ee8d10e9c573a579f524adedb06e08971f6cb3d5ea70afa6c12f
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
defaultdefense_evasiondiscoveryexecutionasyncratpersistencerat

Malware Config

Extracted

Family

  • asyncrat

Version

  • 0.5.8

Botnet

  • Default

C2

  • sexvietvcl.com:80

  • sexvietvcl.com:22

  • sexvietvcl.com:8080

  • sexvietvcl.com:8880

  • sexvietvcl.com:2052

  • sexvietvcl.com:2082

  • sexvietvcl.com:2086

  • sexvietvcl.com:2095

  • sexvietvcl.com:443

  • sexvietvcl.com:2053

  • sexvietvcl.com:2083

  • sexvietvcl.com:2087

  • sexvietvcl.com:2096

  • sexvietvcl.com:8443

  • www.sexvietvcl.com:80

  • www.sexvietvcl.com:22

  • www.sexvietvcl.com:8080

  • www.sexvietvcl.com:8880

  • www.sexvietvcl.com:2052

  • www.sexvietvcl.com:2082

Mutex

  • 4NeZpPYMv85O

Attributes
  • delay

    0

  • install

    true

  • install_file

    46kn.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\423e702e52d9ee8d10e9c573a579f524adedb06e08971f6cb3d5ea70afa6c12f.exe
    "C:\Users\Admin\AppData\Local\Temp\423e702e52d9ee8d10e9c573a579f524adedb06e08971f6cb3d5ea70afa6c12f.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2452
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "46kn" /tr '"C:\Users\Admin\AppData\Roaming\46kn.exe"' & exit
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:4708
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks /create /f /sc onlogon /rl highest /tn "46kn" /tr '"C:\Users\Admin\AppData\Roaming\46kn.exe"'
        3⤵
        • System Location Discovery: System Language Discovery
        • Scheduled Task/Job: Scheduled Task
        PID:5800
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp863.tmp.bat""
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:4244
      • C:\Windows\SysWOW64\timeout.exe
        timeout 3
        3⤵
        • System Location Discovery: System Language Discovery
        • Delays execution with timeout.exe
        PID:5272
      • C:\Users\Admin\AppData\Roaming\46kn.exe
        "C:\Users\Admin\AppData\Roaming\46kn.exe"
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        PID:2632
  • C:\Users\Admin\AppData\Roaming\46kn.exe
    "C:\Users\Admin\AppData\Roaming\46kn.exe"
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    PID:4312

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        tmp863.tmp.bat
        • Path C:\Users\Admin\AppData\Local\Temp\tmp863.tmp.bat
        • Size 147B
        • SHA256 3ff95a4a9f4e789dea5a1c4beedc02094d668e662b525e093571e2c4d22463e8
        • MD5 SHA1 SHA512 TLSH
        Submit Download

        46kn.exe
        • Path C:\Users\Admin\AppData\Roaming\46kn.exe
        • Size 45KB
        • SHA256 423e702e52d9ee8d10e9c573a579f524adedb06e08971f6cb3d5ea70afa6c12f
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        memory/2452-0-0x0000000074242000-0x0000000074243000-memory.dmp
        Download

        memory/2452-1-0x00000000000B0000-0x00000000000C2000-memory.dmp
        Download

        memory/2452-2-0x0000000074230000-0x00000000749EC000-memory.dmp
        Download

        memory/2452-3-0x0000000004C90000-0x0000000004D2C000-memory.dmp
        Download

        memory/2452-8-0x0000000074230000-0x00000000749EC000-memory.dmp
        Download

        memory/4312-12-0x0000000074230000-0x00000000749EC000-memory.dmp
        Download

        memory/4312-14-0x0000000074230000-0x00000000749EC000-memory.dmp
        Download