Analysis

  • max time kernel
    148s
  • max time network
    147s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260911-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    19/09/2026, 16:04

General

  • Target
    dbf6b70cfb2c3c30c6190be47a5e1f03d2c92d2c01d8d933c3bf36fa63d2c842.exe
  • Size 45KB
  • Sample260919-thx6vsshld
  • SHA256 dbf6b70cfb2c3c30c6190be47a5e1f03d2c92d2c01d8d933c3bf36fa63d2c842
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Family
  • asyncrat

Version
  • 0.5.8

Botnet
  • Default

C2
  • viet69no1.net:80

  • viet69no1.net:22

  • viet69no1.net:8080

  • viet69no1.net:8880

  • viet69no1.net:2052

  • viet69no1.net:2082

  • viet69no1.net:2086

  • viet69no1.net:2095

  • viet69no1.net:443

  • viet69no1.net:2053

  • viet69no1.net:2083

  • viet69no1.net:2087

  • viet69no1.net:2096

  • viet69no1.net:8443

  • www.viet69no1.net:80

  • www.viet69no1.net:22

  • www.viet69no1.net:8080

  • www.viet69no1.net:8880

  • www.viet69no1.net:2052

  • www.viet69no1.net:2082

Mutex
  • LfWjRAPpybMD

Attributes
  • delay

    0

  • install

    true

  • install_file

    xv0s68.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
  • Outbound SSH connection to public host 2 TTPs 2 IoCs

    SSH is used for remote access. This may indicate SSH host discovery, encrypted C2 traffic, or data exfiltration.

  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Executes a command shell one-liner 1 TTPs 2 IoCs

    Execution of a cmd.exe one-liner (/c "close" or /k "keep") is a common script/loader stage.

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

Processes

  • C:\Users\Admin\AppData\Local\Temp\dbf6b70cfb2c3c30c6190be47a5e1f03d2c92d2c01d8d933c3bf36fa63d2c842.exe
    "C:\Users\Admin\AppData\Local\Temp\dbf6b70cfb2c3c30c6190be47a5e1f03d2c92d2c01d8d933c3bf36fa63d2c842.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1252
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "xv0s68" /tr '"C:\Users\Admin\AppData\Roaming\xv0s68.exe"' & exit
      2⤵
      • Executes a command shell one-liner
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:3340
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks /create /f /sc onlogon /rl highest /tn "xv0s68" /tr '"C:\Users\Admin\AppData\Roaming\xv0s68.exe"'
        3⤵
        • System Location Discovery: System Language Discovery
        • Scheduled Task/Job: Scheduled Task
        PID:860
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp5A3.tmp.bat""
      2⤵
      • Executes a command shell one-liner
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:4080
      • C:\Windows\SysWOW64\timeout.exe
        timeout 3
        3⤵
        • System Location Discovery: System Language Discovery
        • Delays execution with timeout.exe
        PID:4360
      • C:\Users\Admin\AppData\Roaming\xv0s68.exe
        "C:\Users\Admin\AppData\Roaming\xv0s68.exe"
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        PID:1204
  • C:\Users\Admin\AppData\Roaming\xv0s68.exe
    "C:\Users\Admin\AppData\Roaming\xv0s68.exe"
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    PID:2004

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        tmp5A3.tmp.bat

        • Path C:\Users\Admin\AppData\Local\Temp\tmp5A3.tmp.bat
        • Size 149B
        • SHA256 01bc4eba71a3ae8589443a788248095ca7957734ae76d99a978ef2717d6840e4
        • MD5 SHA1 SHA512 TLSH

        xv0s68.exe

        • Path C:\Users\Admin\AppData\Roaming\xv0s68.exe
        • Size 45KB
        • SHA256 dbf6b70cfb2c3c30c6190be47a5e1f03d2c92d2c01d8d933c3bf36fa63d2c842
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/1252-0-0x0000000074722000-0x0000000074723000-memory.dmp

        memory/1252-1-0x0000000000C90000-0x0000000000CA2000-memory.dmp

        memory/1252-2-0x0000000074710000-0x0000000074ECC000-memory.dmp

        memory/1252-3-0x0000000005870000-0x000000000590C000-memory.dmp

        memory/1252-8-0x0000000074710000-0x0000000074ECC000-memory.dmp

        memory/2004-12-0x00000000745A0000-0x0000000074D5C000-memory.dmp

        memory/2004-14-0x00000000745A0000-0x0000000074D5C000-memory.dmp