Analysis

  • max time kernel
    30s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    01/09/2026, 11:53

General

  • Target
    gg.exe
  • Size 47KB
  • Sample260901-n2fs2aybmg
  • SHA256 a24b7c9a4af55e9bb8c14df47734145337ed8e5c605cab4b4f1edcb7f5c6af63
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Family
  • asyncrat

Version
  • 0.5.6A

Botnet
  • null

C2
  • https://mastercasino88.co/vi-vn/:8080

  • https://mastercasino88.co/vi-vn/:443

  • https://mastercasino88.co/vi-vn/:80

  • https://mastercasino88.co/vi-vn/:8443

Mutex
  • CloudFlare, Inc. (Cloudflare, Inc.)

Attributes
  • delay

    5

  • install

    true

  • install_file

    system.exe

  • install_folder

    %AppData%

aes.plain

Signatures

  • Family: AsyncRat

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

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

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

  • 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.

Processes

  • C:\Users\Admin\AppData\Local\Temp\gg.exe
    "C:\Users\Admin\AppData\Local\Temp\gg.exe"
    1⤵
      PID:4548
      • C:\Windows\System32\schtasks.exe
        "C:\Windows\System32\schtasks.exe" /create /f /sc ONLOGON /RL HIGHEST /tn "'system"' /tr "'C:\Users\Admin\AppData\Roaming\system.exe"'
        2⤵
        • Scheduled Task/Job: Scheduled Task
        PID:2480
      • C:\Windows\system32\cmd.exe
        C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp578C.tmp.bat""
        2⤵
        • Executes a command shell one-liner
        PID:5000
        • C:\Windows\system32\timeout.exe
          timeout 3
          3⤵
          • Delays execution with timeout.exe
          PID:5556
        • C:\Users\Admin\AppData\Roaming\system.exe
          "C:\Users\Admin\AppData\Roaming\system.exe"
          3⤵
            PID:4284
      • C:\Users\Admin\AppData\Roaming\system.exe
        "C:\Users\Admin\AppData\Roaming\system.exe"
        1⤵
          PID:1956

        Network

              MITRE ATT&CK Enterprise v16

              Replay Monitor

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              Downloads

              tmp578C.tmp.bat

              • Path C:\Users\Admin\AppData\Local\Temp\tmp578C.tmp.bat
              • Size 150B
              • SHA256 538ac54477baa7d43df09a15a5b94359663967bb105eae44451db56ce230cfa3
              • MD5 SHA1 SHA512 TLSH

              system.exe

              • Path C:\Users\Admin\AppData\Roaming\system.exe
              • Size 42.4MB
              • SHA256 3cde95b9384808571258c6721e30ade0ba8448dae080d3474d1501861f5b087c
              • MD5 SHA1 SHA512 SSDEEP TLSH

              memory/4548-1-0x0000000000F00000-0x0000000000F12000-memory.dmp

              memory/4548-0-0x00007FFE9769F000-0x00007FFE976A0000-memory.dmp

              memory/4548-2-0x00007FFE97510000-0x00007FFE97EB4000-memory.dmp

              memory/4548-3-0x00007FFE97510000-0x00007FFE97EB4000-memory.dmp

              memory/4548-4-0x00007FFE97510000-0x00007FFE97EB4000-memory.dmp

              memory/4548-8-0x00007FFE97510000-0x00007FFE97EB4000-memory.dmp