Analysis

  • max time kernel
    148s
  • max time network
    152s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260629-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260629-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    06/07/2026, 04:17

General

  • Target
    48012aec0b45cad144a9fe5e2cd7492a921d07088581ddd555c97e6f299209ca.exe
  • Size 45KB
  • Sample260706-ewgnpsdv3m
  • SHA256 48012aec0b45cad144a9fe5e2cd7492a921d07088581ddd555c97e6f299209ca
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Family
  • asyncrat

Version
  • 0.5.8

Botnet
  • Default

C2
  • xemphimxxxviet.com:80

  • xemphimxxxviet.com:22

  • xemphimxxxviet.com:8080

  • xemphimxxxviet.com:8880

  • xemphimxxxviet.com:2052

  • xemphimxxxviet.com:2082

  • xemphimxxxviet.com:2086

  • xemphimxxxviet.com:2095

  • xemphimxxxviet.com:443

  • xemphimxxxviet.com:2053

  • xemphimxxxviet.com:2083

  • xemphimxxxviet.com:2087

  • xemphimxxxviet.com:2096

  • xemphimxxxviet.com:8443

  • www.xemphimxxxviet.com:80

  • www.xemphimxxxviet.com:22

  • www.xemphimxxxviet.com:8080

  • www.xemphimxxxviet.com:8880

  • www.xemphimxxxviet.com:2052

  • www.xemphimxxxviet.com:2082

Mutex
  • ZvwM1vfK5mzB

Attributes
  • delay

    0

  • install

    true

  • install_file

    q9lzw.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).

  • 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 29 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 5 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\48012aec0b45cad144a9fe5e2cd7492a921d07088581ddd555c97e6f299209ca.exe
    "C:\Users\Admin\AppData\Local\Temp\48012aec0b45cad144a9fe5e2cd7492a921d07088581ddd555c97e6f299209ca.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4236
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "q9lzw" /tr '"C:\Users\Admin\AppData\Roaming\q9lzw.exe"' & exit
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:5304
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks /create /f /sc onlogon /rl highest /tn "q9lzw" /tr '"C:\Users\Admin\AppData\Roaming\q9lzw.exe"'
        3⤵
        • System Location Discovery: System Language Discovery
        • Scheduled Task/Job: Scheduled Task
        PID:4992
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmpBCE.tmp.bat""
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:980
      • C:\Windows\SysWOW64\timeout.exe
        timeout 3
        3⤵
        • System Location Discovery: System Language Discovery
        • Delays execution with timeout.exe
        PID:4452
      • C:\Users\Admin\AppData\Roaming\q9lzw.exe
        "C:\Users\Admin\AppData\Roaming\q9lzw.exe"
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        PID:1480
  • C:\Users\Admin\AppData\Roaming\q9lzw.exe
    "C:\Users\Admin\AppData\Roaming\q9lzw.exe"
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    PID:3020
  • C:\Windows\system32\sihost.exe
    sihost.exe
    1⤵
      PID:4248
      • C:\Windows\explorer.exe
        explorer.exe /LOADSAVEDWINDOWS
        2⤵
          PID:464
      • C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\SearchHost.exe
        "C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\SearchHost.exe" -ServerName:CortanaUI.AppXstmwaab17q5s3y22tp6apqz7a45vwv65.mca
        1⤵
          PID:2732
        • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
          "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
          1⤵
            PID:4444

          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 599B
                • SHA256 b536a3dae9ea5c69081f0491eed829e3b57e32401fdf49a63031bcd6b20e6fdb
                • MD5 SHA1 SHA512 TLSH

                tmpBCE.tmp.bat

                • Path C:\Users\Admin\AppData\Local\Temp\tmpBCE.tmp.bat
                • Size 148B
                • SHA256 a126340043e7c0b981f57023261ff81619dbb4f7bb0bf68ba6aa62f3de53ab3c
                • MD5 SHA1 SHA512 TLSH

                q9lzw.exe

                • Path C:\Users\Admin\AppData\Roaming\q9lzw.exe
                • Size 45KB
                • SHA256 48012aec0b45cad144a9fe5e2cd7492a921d07088581ddd555c97e6f299209ca
                • MD5 SHA1 SHA512 SSDEEP TLSH

                memory/464-205-0x0000000005400000-0x00000000055CA000-memory.dmp

                memory/2732-17-0x000001DF801E0000-0x000001DF802E0000-memory.dmp

                memory/2732-30-0x000001DF93E90000-0x000001DF93F90000-memory.dmp

                memory/2732-28-0x000001DF83A30000-0x000001DF83A50000-memory.dmp

                memory/2732-48-0x000001DF83E10000-0x000001DF83E30000-memory.dmp

                memory/2732-16-0x000001DF801E0000-0x000001DF802E0000-memory.dmp

                memory/2732-62-0x000001DF94210000-0x000001DF94230000-memory.dmp

                memory/2732-18-0x000001DF801E0000-0x000001DF802E0000-memory.dmp

                memory/3020-14-0x0000000074490000-0x0000000074C4C000-memory.dmp

                memory/3020-12-0x0000000074490000-0x0000000074C4C000-memory.dmp

                memory/4236-0-0x0000000074612000-0x0000000074613000-memory.dmp

                memory/4236-8-0x0000000074600000-0x0000000074DBC000-memory.dmp

                memory/4236-3-0x0000000005540000-0x00000000055DC000-memory.dmp

                memory/4236-2-0x0000000074600000-0x0000000074DBC000-memory.dmp

                memory/4236-1-0x00000000009A0000-0x00000000009B2000-memory.dmp