Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260513-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    07/09/2026, 17:21

General

  • Target
    6a5c3ed7d4cea6d471751c597f2184a4ea2cc6feb03f7e2660780ec2a049fef2.exe
  • Size 45KB
  • Sample260907-vw1dtazthy
  • SHA256 6a5c3ed7d4cea6d471751c597f2184a4ea2cc6feb03f7e2660780ec2a049fef2
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Family
  • asyncrat

Version
  • 0.5.8

Botnet
  • Default

C2
  • tvsexmi.click:80

  • tvsexmi.click:22

  • tvsexmi.click:8080

  • tvsexmi.click:8880

  • tvsexmi.click:2052

  • tvsexmi.click:2082

  • tvsexmi.click:2086

  • tvsexmi.click:2095

  • tvsexmi.click:443

  • tvsexmi.click:2053

  • tvsexmi.click:2083

  • tvsexmi.click:2087

  • tvsexmi.click:2096

  • tvsexmi.click:8443

  • www.tvsexmi.click:80

  • www.tvsexmi.click:22

  • www.tvsexmi.click:8080

  • www.tvsexmi.click:8880

  • www.tvsexmi.click:2052

  • www.tvsexmi.click:2082

Mutex
  • gKINuLkGDaaC

Attributes
  • delay

    0

  • install

    true

  • install_file

    bgazo.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 2 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 2 IoCs
  • 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 23 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 5 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\6a5c3ed7d4cea6d471751c597f2184a4ea2cc6feb03f7e2660780ec2a049fef2.exe
    "C:\Users\Admin\AppData\Local\Temp\6a5c3ed7d4cea6d471751c597f2184a4ea2cc6feb03f7e2660780ec2a049fef2.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4228
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "bgazo" /tr '"C:\Users\Admin\AppData\Roaming\bgazo.exe"' & exit
      2⤵
      • Executes a command shell one-liner
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2236
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks /create /f /sc onlogon /rl highest /tn "bgazo" /tr '"C:\Users\Admin\AppData\Roaming\bgazo.exe"'
        3⤵
        • System Location Discovery: System Language Discovery
        • Scheduled Task/Job: Scheduled Task
        PID:740
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp4BF8.tmp.bat""
      2⤵
      • Executes a command shell one-liner
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:868
      • C:\Windows\SysWOW64\timeout.exe
        timeout 3
        3⤵
        • System Location Discovery: System Language Discovery
        • Delays execution with timeout.exe
        PID:4372
      • C:\Users\Admin\AppData\Roaming\bgazo.exe
        "C:\Users\Admin\AppData\Roaming\bgazo.exe"
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        PID:3864
  • C:\Users\Admin\AppData\Roaming\bgazo.exe
    "C:\Users\Admin\AppData\Roaming\bgazo.exe"
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    PID:2672

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        tmp4BF8.tmp.bat

        • Path C:\Users\Admin\AppData\Local\Temp\tmp4BF8.tmp.bat
        • Size 149B
        • SHA256 e17e7b6f2b5a947bc4f42c773d306288fee79d4a83f9eb131b84cf6596cba9be
        • MD5 SHA1 SHA512 TLSH

        bgazo.exe

        • Path C:\Users\Admin\AppData\Roaming\bgazo.exe
        • Size 45KB
        • SHA256 6a5c3ed7d4cea6d471751c597f2184a4ea2cc6feb03f7e2660780ec2a049fef2
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/2672-10-0x0000000005680000-0x0000000005690000-memory.dmp

        memory/2672-13-0x0000000005680000-0x0000000005690000-memory.dmp

        memory/4228-0-0x00000000004F0000-0x0000000000502000-memory.dmp

        memory/4228-1-0x0000000004F50000-0x0000000004F60000-memory.dmp

        memory/4228-2-0x0000000004EA0000-0x0000000004F3C000-memory.dmp