Analysis

  • max time kernel
    60s
  • max time network
    60s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    09/07/2026, 19:10

General

  • Target
    2b87708a4f1a8ec51a63674d1f3ae51ef5ccfb4e3ac4ee9c4baff42e958606de.exe
  • Size 45KB
  • Sample260709-xvpxssht3x
  • SHA256 2b87708a4f1a8ec51a63674d1f3ae51ef5ccfb4e3ac4ee9c4baff42e958606de
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Family
  • asyncrat

Version
  • 0.5.8

Botnet
  • Default

C2
  • lophimsexviet.com:80

  • lophimsexviet.com:22

  • lophimsexviet.com:8080

  • lophimsexviet.com:8880

  • lophimsexviet.com:2052

  • lophimsexviet.com:2082

  • lophimsexviet.com:2086

  • lophimsexviet.com:2095

  • lophimsexviet.com:443

  • lophimsexviet.com:2053

  • lophimsexviet.com:2083

  • lophimsexviet.com:2087

  • lophimsexviet.com:2096

  • lophimsexviet.com:8443

  • www.lophimsexviet.com:80

  • www.lophimsexviet.com:22

  • www.lophimsexviet.com:8080

  • www.lophimsexviet.com:8880

  • www.lophimsexviet.com:2052

  • www.lophimsexviet.com:2082

Mutex
  • YkbkRXukGare

Attributes
  • delay

    0

  • install

    true

  • install_file

    8x89.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 27 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2b87708a4f1a8ec51a63674d1f3ae51ef5ccfb4e3ac4ee9c4baff42e958606de.exe
    "C:\Users\Admin\AppData\Local\Temp\2b87708a4f1a8ec51a63674d1f3ae51ef5ccfb4e3ac4ee9c4baff42e958606de.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:6756
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "8x89" /tr '"C:\Users\Admin\AppData\Roaming\8x89.exe"' & exit
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:6820
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks /create /f /sc onlogon /rl highest /tn "8x89" /tr '"C:\Users\Admin\AppData\Roaming\8x89.exe"'
        3⤵
        • System Location Discovery: System Language Discovery
        • Scheduled Task/Job: Scheduled Task
        PID:2552
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp8C77.tmp.bat""
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:4128
      • C:\Windows\SysWOW64\timeout.exe
        timeout 3
        3⤵
        • System Location Discovery: System Language Discovery
        • Delays execution with timeout.exe
        PID:5672
      • C:\Users\Admin\AppData\Roaming\8x89.exe
        "C:\Users\Admin\AppData\Roaming\8x89.exe"
        3⤵
          PID:4980
    • C:\Users\Admin\AppData\Roaming\8x89.exe
      "C:\Users\Admin\AppData\Roaming\8x89.exe"
      1⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:2544

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          tmp8C77.tmp.bat

          • Path C:\Users\Admin\AppData\Local\Temp\tmp8C77.tmp.bat
          • Size 148B
          • SHA256 f6b7056506063f87c2c6a49ef017ae95c318f65d3935f2fd5e42215f61f92c8c
          • MD5 SHA1 SHA512 TLSH

          8x89.exe

          • Path C:\Users\Admin\AppData\Roaming\8x89.exe
          • Size 45KB
          • SHA256 2b87708a4f1a8ec51a63674d1f3ae51ef5ccfb4e3ac4ee9c4baff42e958606de
          • MD5 SHA1 SHA512 SSDEEP TLSH

          memory/2544-12-0x00000000744F0000-0x0000000074CAC000-memory.dmp

          memory/2544-14-0x00000000744F0000-0x0000000074CAC000-memory.dmp

          memory/6756-0-0x00000000746D2000-0x00000000746D3000-memory.dmp

          memory/6756-1-0x00000000005C0000-0x00000000005D2000-memory.dmp

          memory/6756-2-0x00000000746C0000-0x0000000074E7C000-memory.dmp

          memory/6756-3-0x00000000050F0000-0x000000000518C000-memory.dmp

          memory/6756-8-0x00000000746C0000-0x0000000074E7C000-memory.dmp