Analysis

  • max time kernel
    118s
  • max time network
    122s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    27/07/2026, 10:19

General

  • Target
    8e9004e4-459a-411f-9d4e-30e3cac426e2.exe
  • Size 46KB
  • Sample260727-mck6saad74
  • SHA256 a24a8a3cda4b04c9f1bbe0b777f7035d8a512610497ec16c38736602502023cf
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Family
  • asyncrat

Version
  • 0.5.8

Botnet
  • Default

C2
  • bet88.ooo:4930

  • bet88.ooo:0921

  • bet88.ooo:1123

  • bet88.ooo:8362

  • bet88.ooo:3439

  • bet88.ooo:2551

  • bet88.ooo:5786

  • bet88.ooo:7404

  • bet88.ooo:2158

  • bet88.ooo:8075

  • www.bet88.ooo:4930

  • www.bet88.ooo:0921

  • www.bet88.ooo:1123

  • www.bet88.ooo:8362

  • www.bet88.ooo:3439

  • www.bet88.ooo:2551

  • www.bet88.ooo:5786

  • www.bet88.ooo:7404

  • www.bet88.ooo:2158

  • www.bet88.ooo:8075

Mutex
  • sIWFGiEPmbPs

Attributes
  • delay

    3

  • install

    true

  • install_file

    bet884.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).

  • 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 1 IoCs
  • Suspicious use of WriteProcessMemory 5 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\8e9004e4-459a-411f-9d4e-30e3cac426e2.exe
    "C:\Users\Admin\AppData\Local\Temp\8e9004e4-459a-411f-9d4e-30e3cac426e2.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3264
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "bet884" /tr '"C:\Users\Admin\AppData\Roaming\bet884.exe"' & exit
      2⤵
      • Executes a command shell one-liner
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:4156
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks /create /f /sc onlogon /rl highest /tn "bet884" /tr '"C:\Users\Admin\AppData\Roaming\bet884.exe"'
        3⤵
        • System Location Discovery: System Language Discovery
        • Scheduled Task/Job: Scheduled Task
        PID:4132
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp14E6.tmp.bat""
      2⤵
      • Executes a command shell one-liner
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:5084
      • C:\Windows\SysWOW64\timeout.exe
        timeout 3
        3⤵
        • System Location Discovery: System Language Discovery
        • Delays execution with timeout.exe
        PID:5580
      • C:\Users\Admin\AppData\Roaming\bet884.exe
        "C:\Users\Admin\AppData\Roaming\bet884.exe"
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        PID:5320
  • C:\Users\Admin\AppData\Roaming\bet884.exe
    "C:\Users\Admin\AppData\Roaming\bet884.exe"
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    PID:1480

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        tmp14E6.tmp.bat

        • Path C:\Users\Admin\AppData\Local\Temp\tmp14E6.tmp.bat
        • Size 150B
        • SHA256 c886c5c757d0f801459a1e1b8bde83bedf967cf61481b871ddf192980b5c2a5d
        • MD5 SHA1 SHA512 TLSH

        bet884.exe

        • Path C:\Users\Admin\AppData\Roaming\bet884.exe
        • Size 46KB
        • SHA256 a24a8a3cda4b04c9f1bbe0b777f7035d8a512610497ec16c38736602502023cf
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/1480-12-0x0000000075090000-0x000000007584C000-memory.dmp

        memory/1480-14-0x0000000075090000-0x000000007584C000-memory.dmp

        memory/3264-0-0x00000000750A2000-0x00000000750A3000-memory.dmp

        memory/3264-1-0x00000000004C0000-0x00000000004D2000-memory.dmp

        memory/3264-2-0x0000000075090000-0x000000007584C000-memory.dmp

        memory/3264-3-0x0000000004F40000-0x0000000004FDC000-memory.dmp

        memory/3264-9-0x0000000075090000-0x000000007584C000-memory.dmp