Analysis

  • max time kernel
    6s
  • max time network
    150s
  • 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, 14:02

General

  • Target
    84ead430d8ee3402f3a4fe3924988f0c8ba7bef402e013d6048821c7854bd641.exe
  • Size 45KB
  • Sample260711-rb7evad14x
  • SHA256 84ead430d8ee3402f3a4fe3924988f0c8ba7bef402e013d6048821c7854bd641
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Family
  • asyncrat

Version
  • 0.5.8

Botnet
  • Default

C2
  • sexvietnew.info:80

  • sexvietnew.info:22

  • sexvietnew.info:8080

  • sexvietnew.info:8880

  • sexvietnew.info:2052

  • sexvietnew.info:2082

  • sexvietnew.info:2086

  • sexvietnew.info:2095

  • sexvietnew.info:443

  • sexvietnew.info:2053

  • sexvietnew.info:2083

  • sexvietnew.info:2087

  • sexvietnew.info:2096

  • sexvietnew.info:8443

  • www.sexvietnew.info:80

  • www.sexvietnew.info:22

  • www.sexvietnew.info:8080

  • www.sexvietnew.info:8880

  • www.sexvietnew.info:2052

  • www.sexvietnew.info:2082

Mutex
  • 8grZbonjmB8S

Attributes
  • delay

    0

  • install

    true

  • install_file

    j8hvs.exe

  • install_folder

    %AppData%

aes.plain

Signatures

  • Family: AsyncRat

    AsyncRAT is designed to remotely monitor and control other computers written in C#.

  • Async RAT payload 1 IoCs
  • 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.

  • Delays execution with timeout.exe 1 IoCs
  • Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 29 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 5 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\84ead430d8ee3402f3a4fe3924988f0c8ba7bef402e013d6048821c7854bd641.exe
    "C:\Users\Admin\AppData\Local\Temp\84ead430d8ee3402f3a4fe3924988f0c8ba7bef402e013d6048821c7854bd641.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2108
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "j8hvs" /tr '"C:\Users\Admin\AppData\Roaming\j8hvs.exe"' & exit
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:764
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks /create /f /sc onlogon /rl highest /tn "j8hvs" /tr '"C:\Users\Admin\AppData\Roaming\j8hvs.exe"'
        3⤵
        • System Location Discovery: System Language Discovery
        • Scheduled Task/Job: Scheduled Task
        PID:4840
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp9011.tmp.bat""
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:4332
      • C:\Windows\SysWOW64\timeout.exe
        timeout 3
        3⤵
        • System Location Discovery: System Language Discovery
        • Delays execution with timeout.exe
        PID:4876
      • C:\Users\Admin\AppData\Roaming\j8hvs.exe
        "C:\Users\Admin\AppData\Roaming\j8hvs.exe"
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        PID:4232
  • C:\Users\Admin\AppData\Roaming\j8hvs.exe
    "C:\Users\Admin\AppData\Roaming\j8hvs.exe"
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    PID:2644

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        tmp9011.tmp.bat

        • Path C:\Users\Admin\AppData\Local\Temp\tmp9011.tmp.bat
        • Size 149B
        • SHA256 0ea58fa5490b568e1e80ddc2ac42c32dcd5cb02b51ba7bf1db1c3bc4887d0976
        • MD5 SHA1 SHA512 TLSH

        j8hvs.exe

        • Path C:\Users\Admin\AppData\Roaming\j8hvs.exe
        • Size 45KB
        • SHA256 84ead430d8ee3402f3a4fe3924988f0c8ba7bef402e013d6048821c7854bd641
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/2108-0-0x0000000074342000-0x0000000074343000-memory.dmp

        memory/2108-1-0x0000000000CB0000-0x0000000000CC2000-memory.dmp

        memory/2108-2-0x0000000074330000-0x0000000074AEC000-memory.dmp

        memory/2108-3-0x0000000005660000-0x00000000056FC000-memory.dmp

        memory/2108-8-0x0000000074330000-0x0000000074AEC000-memory.dmp

        memory/2644-12-0x00000000741C0000-0x000000007497C000-memory.dmp

        memory/2644-14-0x00000000741C0000-0x000000007497C000-memory.dmp