Overview

overview

10

Static

static

10

anoncyber.exe

windows10-2004-x64

10

anoncyber.exe

windows11-ltsc_2024-x64

10

Analysis

  • max time kernel
    58s
  • max time network
    62s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    01/08/2026, 15:25

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General

  • Target
    anoncyber.exe
  • Size 47KB
  • Sample260801-stps7ayhpc
  • SHA256 65b0a9933f0c28f900774eb3690cb4b491a599edcefb8b3763872e6aeea44e40
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
xoso66.softwarecommand_and_controldefense_evasiondiscoveryexecutionasyncratpersistencerat

Malware Config

Extracted

Family

  • asyncrat

Version

  • 0.5.8

Botnet

  • xoso66.software

C2

  • xoso66.software:6606

  • xoso66.software:80

  • xoso66.software:8080

  • xoso66.software:443

  • xoso66.software:8443

  • xoso66.software:22

  • xoso66.software:23

Mutex

  • f3C0sbsSnTqq

Attributes
  • delay

    3

  • install

    true

  • install_file

    GoogleUpdate.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
  • 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.

    command_and_control
  • 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.

    execution
  • System Location Discovery: System Language Discovery 1 TTPs 1 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

Processes

  • C:\Users\Admin\AppData\Local\Temp\anoncyber.exe
    "C:\Users\Admin\AppData\Local\Temp\anoncyber.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    PID:1524
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "GoogleUpdate" /tr '"C:\Users\Admin\AppData\Roaming\GoogleUpdate.exe"' & exit
      2⤵
      • Executes a command shell one-liner
      PID:4460
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks /create /f /sc onlogon /rl highest /tn "GoogleUpdate" /tr '"C:\Users\Admin\AppData\Roaming\GoogleUpdate.exe"'
        3⤵
        • Scheduled Task/Job: Scheduled Task
        PID:2800
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp3D1F.tmp.bat""
      2⤵
      • Executes a command shell one-liner
      PID:5572
      • C:\Windows\SysWOW64\timeout.exe
        timeout 3
        3⤵
        • Delays execution with timeout.exe
        PID:948
      • C:\Users\Admin\AppData\Roaming\GoogleUpdate.exe
        "C:\Users\Admin\AppData\Roaming\GoogleUpdate.exe"
        3⤵
          PID:2232
    • C:\Users\Admin\AppData\Roaming\GoogleUpdate.exe
      "C:\Users\Admin\AppData\Roaming\GoogleUpdate.exe"
      1⤵
        PID:3076

      Network

            MITRE ATT&CK Enterprise v16

            Replay Monitor

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            Downloads

            tmp3D1F.tmp.bat
            • Path C:\Users\Admin\AppData\Local\Temp\tmp3D1F.tmp.bat
            • Size 156B
            • SHA256 60c42097ac8ab50cf3c5b41fb7b24131118e354283f17c070d7c8c97620cd324
            • MD5 SHA1 SHA512 TLSH
            Submit Download

            GoogleUpdate.exe
            • Path C:\Users\Admin\AppData\Roaming\GoogleUpdate.exe
            • Size 47KB
            • SHA256 65b0a9933f0c28f900774eb3690cb4b491a599edcefb8b3763872e6aeea44e40
            • MD5 SHA1 SHA512 SSDEEP TLSH
            Submit Download

            memory/1524-0-0x0000000074AD2000-0x0000000074AD3000-memory.dmp
            Download

            memory/1524-1-0x0000000000E70000-0x0000000000E82000-memory.dmp
            Download

            memory/1524-2-0x0000000074AC0000-0x000000007527C000-memory.dmp
            Download

            memory/1524-3-0x00000000057F0000-0x0000000005856000-memory.dmp
            Download

            memory/1524-4-0x0000000005CE0000-0x0000000005D7C000-memory.dmp
            Download

            memory/1524-10-0x0000000074AC0000-0x000000007527C000-memory.dmp
            Download

            memory/3076-13-0x0000000074AC0000-0x000000007527C000-memory.dmp
            Download

            memory/3076-15-0x0000000074AC0000-0x000000007527C000-memory.dmp
            Download