Overview

overview

10

Static

static

10

8d71a6d744...89.exe

windows10-2004-x64

10

8d71a6d744...89.exe

windows11-ltsc_2024-x64

10

Analysis

  • max time kernel
    148s
  • max time network
    148s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260630-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260630-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    02/07/2026, 09:22

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General

  • Target
    8d71a6d744a291f729c2a1df3e467d4ce508c7f5a7337ab6e79c9d1a1b6b3389.exe
  • Size 45KB
  • Sample260702-lb6knadv8p
  • SHA256 8d71a6d744a291f729c2a1df3e467d4ce508c7f5a7337ab6e79c9d1a1b6b3389
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
defaultdefense_evasiondiscoveryexecutionasyncratpersistencerat

Malware Config

Extracted

Family

  • asyncrat

Version

  • 0.5.8

Botnet

  • Default

C2

  • rfccarparkmanagement.co.uk:80

  • rfccarparkmanagement.co.uk:22

  • rfccarparkmanagement.co.uk:8080

  • rfccarparkmanagement.co.uk:8880

  • rfccarparkmanagement.co.uk:2052

  • rfccarparkmanagement.co.uk:2082

  • rfccarparkmanagement.co.uk:2086

  • rfccarparkmanagement.co.uk:2095

  • rfccarparkmanagement.co.uk:443

  • rfccarparkmanagement.co.uk:2053

  • rfccarparkmanagement.co.uk:2083

  • rfccarparkmanagement.co.uk:2087

  • rfccarparkmanagement.co.uk:2096

  • rfccarparkmanagement.co.uk:8443

  • www.rfccarparkmanagement.co.uk:80

  • www.rfccarparkmanagement.co.uk:22

  • www.rfccarparkmanagement.co.uk:8080

  • www.rfccarparkmanagement.co.uk:8880

  • www.rfccarparkmanagement.co.uk:2052

  • www.rfccarparkmanagement.co.uk:2082

Mutex

  • zYYtBPPKztEW

Attributes
  • delay

    0

  • install

    true

  • install_file

    r3y3d.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
  • Executes dropped EXE 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • 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.

    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
  • Suspicious behavior: EnumeratesProcesses 29 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 5 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\8d71a6d744a291f729c2a1df3e467d4ce508c7f5a7337ab6e79c9d1a1b6b3389.exe
    "C:\Users\Admin\AppData\Local\Temp\8d71a6d744a291f729c2a1df3e467d4ce508c7f5a7337ab6e79c9d1a1b6b3389.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4440
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "r3y3d" /tr '"C:\Users\Admin\AppData\Roaming\r3y3d.exe"' & exit
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:5512
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks /create /f /sc onlogon /rl highest /tn "r3y3d" /tr '"C:\Users\Admin\AppData\Roaming\r3y3d.exe"'
        3⤵
        • System Location Discovery: System Language Discovery
        • Scheduled Task/Job: Scheduled Task
        PID:868
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmpFBA1.tmp.bat""
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:3056
      • C:\Windows\SysWOW64\timeout.exe
        timeout 3
        3⤵
        • System Location Discovery: System Language Discovery
        • Delays execution with timeout.exe
        PID:2072
      • C:\Users\Admin\AppData\Roaming\r3y3d.exe
        "C:\Users\Admin\AppData\Roaming\r3y3d.exe"
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        PID:4564
  • C:\Users\Admin\AppData\Roaming\r3y3d.exe
    "C:\Users\Admin\AppData\Roaming\r3y3d.exe"
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    PID:5452

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        tmpFBA1.tmp.bat
        • Path C:\Users\Admin\AppData\Local\Temp\tmpFBA1.tmp.bat
        • Size 149B
        • SHA256 b6254e590c170a932e80565ddc7da197ab40fb1bd7aa0d9a4ad4abd9c3178f6c
        • MD5 SHA1 SHA512 TLSH
        Submit Download

        r3y3d.exe
        • Path C:\Users\Admin\AppData\Roaming\r3y3d.exe
        • Size 45KB
        • SHA256 8d71a6d744a291f729c2a1df3e467d4ce508c7f5a7337ab6e79c9d1a1b6b3389
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        memory/4440-0-0x0000000075092000-0x0000000075093000-memory.dmp
        Download

        memory/4440-1-0x00000000002A0000-0x00000000002B2000-memory.dmp
        Download

        memory/4440-2-0x0000000075080000-0x000000007583C000-memory.dmp
        Download

        memory/4440-3-0x0000000004E20000-0x0000000004EBC000-memory.dmp
        Download

        memory/4440-8-0x0000000075080000-0x000000007583C000-memory.dmp
        Download

        memory/5452-12-0x0000000074EB0000-0x000000007566C000-memory.dmp
        Download

        memory/5452-14-0x0000000074EB0000-0x000000007566C000-memory.dmp
        Download