Analysis

  • max time kernel
    150s
  • max time network
    152s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    18/07/2026, 12:31

General

  • Target
    7d39b36946720cdfeefd537891d39cef6343d3d67f438ce406996278f96b5341.exe
  • Size 45KB
  • Sample260718-pp8tqaey7s
  • SHA256 7d39b36946720cdfeefd537891d39cef6343d3d67f438ce406996278f96b5341
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Family
  • asyncrat

Version
  • 0.5.8

Botnet
  • Default

C2
  • sexviet.me:80

  • sexviet.me:22

  • sexviet.me:8080

  • sexviet.me:8880

  • sexviet.me:2052

  • sexviet.me:2082

  • sexviet.me:2086

  • sexviet.me:2095

  • sexviet.me:443

  • sexviet.me:2053

  • sexviet.me:2083

  • sexviet.me:2087

  • sexviet.me:2096

  • sexviet.me:8443

  • www.sexviet.me:80

  • www.sexviet.me:22

  • www.sexviet.me:8080

  • www.sexviet.me:8880

  • www.sexviet.me:2052

  • www.sexviet.me:2082

Mutex
  • wnaSHZOBwaYW

Attributes
  • delay

    0

  • install

    true

  • install_file

    tmklp8.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 2 IoCs
  • Suspicious use of WriteProcessMemory 5 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\7d39b36946720cdfeefd537891d39cef6343d3d67f438ce406996278f96b5341.exe
    "C:\Users\Admin\AppData\Local\Temp\7d39b36946720cdfeefd537891d39cef6343d3d67f438ce406996278f96b5341.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3276
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "tmklp8" /tr '"C:\Users\Admin\AppData\Roaming\tmklp8.exe"' & exit
      2⤵
      • Executes a command shell one-liner
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:6632
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks /create /f /sc onlogon /rl highest /tn "tmklp8" /tr '"C:\Users\Admin\AppData\Roaming\tmklp8.exe"'
        3⤵
        • System Location Discovery: System Language Discovery
        • Scheduled Task/Job: Scheduled Task
        PID:956
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmpC7CB.tmp.bat""
      2⤵
      • Executes a command shell one-liner
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:3544
      • C:\Windows\SysWOW64\timeout.exe
        timeout 3
        3⤵
        • System Location Discovery: System Language Discovery
        • Delays execution with timeout.exe
        PID:4600
      • C:\Users\Admin\AppData\Roaming\tmklp8.exe
        "C:\Users\Admin\AppData\Roaming\tmklp8.exe"
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        PID:5620
  • C:\Users\Admin\AppData\Roaming\tmklp8.exe
    "C:\Users\Admin\AppData\Roaming\tmklp8.exe"
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    PID:3736
  • C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k GPSvcGroup
    1⤵
      PID:4092

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

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          Downloads

          tmpC7CB.tmp.bat

          • Path C:\Users\Admin\AppData\Local\Temp\tmpC7CB.tmp.bat
          • Size 150B
          • SHA256 5d0758d7ce6976557123ddebcfe3c81e727009cc5ec277c4c01b1f5f17054ad0
          • MD5 SHA1 SHA512 TLSH

          tmklp8.exe

          • Path C:\Users\Admin\AppData\Roaming\tmklp8.exe
          • Size 45KB
          • SHA256 7d39b36946720cdfeefd537891d39cef6343d3d67f438ce406996278f96b5341
          • MD5 SHA1 SHA512 SSDEEP TLSH

          memory/3276-0-0x0000000074302000-0x0000000074303000-memory.dmp

          memory/3276-1-0x0000000000680000-0x0000000000692000-memory.dmp

          memory/3276-2-0x00000000742F0000-0x0000000074AAC000-memory.dmp

          memory/3276-3-0x0000000005070000-0x000000000510C000-memory.dmp

          memory/3276-8-0x00000000742F0000-0x0000000074AAC000-memory.dmp

          memory/3736-12-0x0000000074120000-0x00000000748DC000-memory.dmp

          memory/3736-14-0x0000000074120000-0x00000000748DC000-memory.dmp