Overview

overview

10

Static

static

10

4c0900f9e0...08.exe

windows10-2004-x64

10

4c0900f9e0...08.exe

windows11-ltsc_2024-x64

10

Analysis

  • max time kernel
    148s
  • max time network
    149s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260710-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260710-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    16/07/2026, 09:27

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General

  • Target
    4c0900f9e02b61d823acf8700f9b1be5b95b1ad375307fa60138cdcbe4304608.exe
  • Size 45KB
  • Sample260716-le2e4shv7m
  • SHA256 4c0900f9e02b61d823acf8700f9b1be5b95b1ad375307fa60138cdcbe4304608
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
defaultdefense_evasiondiscoveryexecutionasyncratpersistencerat

Malware Config

Extracted

Family

  • asyncrat

Version

  • 0.5.8

Botnet

  • Default

C2

  • sexvuto.site:80

  • sexvuto.site:22

  • sexvuto.site:8080

  • sexvuto.site:8880

  • sexvuto.site:2052

  • sexvuto.site:2082

  • sexvuto.site:2086

  • sexvuto.site:2095

  • sexvuto.site:443

  • sexvuto.site:2053

  • sexvuto.site:2083

  • sexvuto.site:2087

  • sexvuto.site:2096

  • sexvuto.site:8443

  • www.sexvuto.site:80

  • www.sexvuto.site:22

  • www.sexvuto.site:8080

  • www.sexvuto.site:8880

  • www.sexvuto.site:2052

  • www.sexvuto.site:2082

Mutex

  • aFlslgAFiBQA

Attributes
  • delay

    0

  • install

    true

  • install_file

    w4an4o1.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\4c0900f9e02b61d823acf8700f9b1be5b95b1ad375307fa60138cdcbe4304608.exe
    "C:\Users\Admin\AppData\Local\Temp\4c0900f9e02b61d823acf8700f9b1be5b95b1ad375307fa60138cdcbe4304608.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3504
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "w4an4o1" /tr '"C:\Users\Admin\AppData\Roaming\w4an4o1.exe"' & exit
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2160
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks /create /f /sc onlogon /rl highest /tn "w4an4o1" /tr '"C:\Users\Admin\AppData\Roaming\w4an4o1.exe"'
        3⤵
        • System Location Discovery: System Language Discovery
        • Scheduled Task/Job: Scheduled Task
        PID:5776
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp64AC.tmp.bat""
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2792
      • C:\Windows\SysWOW64\timeout.exe
        timeout 3
        3⤵
        • System Location Discovery: System Language Discovery
        • Delays execution with timeout.exe
        PID:1960
      • C:\Users\Admin\AppData\Roaming\w4an4o1.exe
        "C:\Users\Admin\AppData\Roaming\w4an4o1.exe"
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        PID:1392
  • C:\Users\Admin\AppData\Roaming\w4an4o1.exe
    "C:\Users\Admin\AppData\Roaming\w4an4o1.exe"
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    PID:5132
  • C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k GPSvcGroup
    1⤵
      PID:4824

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

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          Downloads

          tmp64AC.tmp.bat
          • Path C:\Users\Admin\AppData\Local\Temp\tmp64AC.tmp.bat
          • Size 151B
          • SHA256 1ccb0d60e53b2016e507c631f247b52f87a9d4b40c9480c58df80da2638920ce
          • MD5 SHA1 SHA512 TLSH
          Submit Download

          w4an4o1.exe
          • Path C:\Users\Admin\AppData\Roaming\w4an4o1.exe
          • Size 45KB
          • SHA256 4c0900f9e02b61d823acf8700f9b1be5b95b1ad375307fa60138cdcbe4304608
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          memory/3504-0-0x0000000074F92000-0x0000000074F93000-memory.dmp
          Download

          memory/3504-1-0x00000000007D0000-0x00000000007E2000-memory.dmp
          Download

          memory/3504-2-0x0000000074F80000-0x000000007573C000-memory.dmp
          Download

          memory/3504-3-0x0000000005360000-0x00000000053FC000-memory.dmp
          Download

          memory/3504-8-0x0000000074F80000-0x000000007573C000-memory.dmp
          Download

          memory/5132-12-0x0000000074E10000-0x00000000755CC000-memory.dmp
          Download

          memory/5132-14-0x0000000074E10000-0x00000000755CC000-memory.dmp
          Download