Analysis

  • max time kernel
    150s
  • max time network
    150s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260706-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260706-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    07/07/2026, 16:58

General

  • Target
    4c84dd5f46229f9fd3674496390fac4f8a8776b5f5b74a09f61aa505d88e74f5.exe
  • Size 45KB
  • Sample260707-vg5d8aas6z
  • SHA256 4c84dd5f46229f9fd3674496390fac4f8a8776b5f5b74a09f61aa505d88e74f5
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Family
  • asyncrat

Version
  • 0.5.8

Botnet
  • Default

C2
  • vlxxzz.net:80

  • vlxxzz.net:22

  • vlxxzz.net:8080

  • vlxxzz.net:8880

  • vlxxzz.net:2052

  • vlxxzz.net:2082

  • vlxxzz.net:2086

  • vlxxzz.net:2095

  • vlxxzz.net:443

  • vlxxzz.net:2053

  • vlxxzz.net:2083

  • vlxxzz.net:2087

  • vlxxzz.net:2096

  • vlxxzz.net:8443

  • www.vlxxzz.net:80

  • www.vlxxzz.net:22

  • www.vlxxzz.net:8080

  • www.vlxxzz.net:8880

  • www.vlxxzz.net:2052

  • www.vlxxzz.net:2082

Mutex
  • mNDOajFosGxf

Attributes
  • delay

    0

  • install

    true

  • install_file

    r1xf.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 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 6 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 29 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\4c84dd5f46229f9fd3674496390fac4f8a8776b5f5b74a09f61aa505d88e74f5.exe
    "C:\Users\Admin\AppData\Local\Temp\4c84dd5f46229f9fd3674496390fac4f8a8776b5f5b74a09f61aa505d88e74f5.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3172
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "r1xf" /tr '"C:\Users\Admin\AppData\Roaming\r1xf.exe"' & exit
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:5680
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks /create /f /sc onlogon /rl highest /tn "r1xf" /tr '"C:\Users\Admin\AppData\Roaming\r1xf.exe"'
        3⤵
        • System Location Discovery: System Language Discovery
        • Scheduled Task/Job: Scheduled Task
        PID:4880
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp3D4D.tmp.bat""
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:3100
      • C:\Windows\SysWOW64\timeout.exe
        timeout 3
        3⤵
        • System Location Discovery: System Language Discovery
        • Delays execution with timeout.exe
        PID:5216
      • C:\Users\Admin\AppData\Roaming\r1xf.exe
        "C:\Users\Admin\AppData\Roaming\r1xf.exe"
        3⤵
          PID:3424
    • C:\Users\Admin\AppData\Roaming\r1xf.exe
      "C:\Users\Admin\AppData\Roaming\r1xf.exe"
      1⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:4876
    • C:\Windows\system32\sihost.exe
      sihost.exe
      1⤵
        PID:6028
        • C:\Windows\explorer.exe
          explorer.exe /LOADSAVEDWINDOWS
          2⤵
            PID:5792
        • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
          "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
          1⤵
            PID:5608
          • C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\SearchHost.exe
            "C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\SearchHost.exe" -ServerName:CortanaUI.AppXstmwaab17q5s3y22tp6apqz7a45vwv65.mca
            1⤵
              PID:2564

            Network

                  MITRE ATT&CK Enterprise v16

                  Replay Monitor

                  Loading Replay Monitor...

                  Downloads

                  prep_Activatable Class_Hermes_perf.cache

                  • Path C:\Users\Admin\AppData\Local\Packages\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\TempState\prep_Activatable Class_Hermes_perf.cache
                  • Size 595B
                  • SHA256 d4e60617c2afab8263febabe7f14f18595715078d71307a8cefe0707dae76dee
                  • MD5 SHA1 SHA512 TLSH

                  tmp3D4D.tmp.bat

                  • Path C:\Users\Admin\AppData\Local\Temp\tmp3D4D.tmp.bat
                  • Size 148B
                  • SHA256 0061bd768ad8234f5f5f6fb58a52a2a09bbac54a61538f91b7f7a53e6f032225
                  • MD5 SHA1 SHA512 TLSH

                  r1xf.exe

                  • Path C:\Users\Admin\AppData\Roaming\r1xf.exe
                  • Size 45KB
                  • SHA256 4c84dd5f46229f9fd3674496390fac4f8a8776b5f5b74a09f61aa505d88e74f5
                  • MD5 SHA1 SHA512 SSDEEP TLSH

                  memory/2564-17-0x00000217801E0000-0x00000217802E0000-memory.dmp

                  memory/2564-33-0x0000021793E70000-0x0000021793F70000-memory.dmp

                  memory/2564-66-0x00000217946C0000-0x00000217946E0000-memory.dmp

                  memory/2564-32-0x0000021783A10000-0x0000021783A30000-memory.dmp

                  memory/2564-16-0x00000217801E0000-0x00000217802E0000-memory.dmp

                  memory/2564-18-0x00000217801E0000-0x00000217802E0000-memory.dmp

                  memory/2564-46-0x0000021783C70000-0x0000021783C90000-memory.dmp

                  memory/3172-8-0x0000000074C60000-0x000000007541C000-memory.dmp

                  memory/3172-0-0x0000000074C72000-0x0000000074C73000-memory.dmp

                  memory/3172-3-0x0000000005AC0000-0x0000000005B5C000-memory.dmp

                  memory/3172-2-0x0000000074C60000-0x000000007541C000-memory.dmp

                  memory/3172-1-0x0000000000E70000-0x0000000000E82000-memory.dmp

                  memory/4876-14-0x0000000074AF0000-0x00000000752AC000-memory.dmp

                  memory/4876-12-0x0000000074AF0000-0x00000000752AC000-memory.dmp

                  memory/5792-195-0x000000000E430000-0x000000000E4AC000-memory.dmp