Analysis

  • max time kernel
    148s
  • max time network
    154s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    04/08/2026, 18:16

General

  • Target
    604915ea66d17a4ccfe418f2b89fbac286f53968ac4d2052b173d9d0c903d271.exe
  • Size 45KB
  • Sample260804-wwlfbsxanf
  • SHA256 604915ea66d17a4ccfe418f2b89fbac286f53968ac4d2052b173d9d0c903d271
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Family
  • asyncrat

Version
  • 0.5.8

Botnet
  • Default

C2
  • sextin.org:80

  • sextin.org:22

  • sextin.org:8080

  • sextin.org:8880

  • sextin.org:2052

  • sextin.org:2082

  • sextin.org:2086

  • sextin.org:2095

  • sextin.org:443

  • sextin.org:2053

  • sextin.org:2083

  • sextin.org:2087

  • sextin.org:2096

  • sextin.org:8443

  • www.sextin.org:80

  • www.sextin.org:22

  • www.sextin.org:8080

  • www.sextin.org:8880

  • www.sextin.org:2052

  • www.sextin.org:2082

Mutex
  • ZjVcX7Oea2HQ

Attributes
  • delay

    0

  • install

    true

  • install_file

    cbvx3jw.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).

  • 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 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 31 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\604915ea66d17a4ccfe418f2b89fbac286f53968ac4d2052b173d9d0c903d271.exe
    "C:\Users\Admin\AppData\Local\Temp\604915ea66d17a4ccfe418f2b89fbac286f53968ac4d2052b173d9d0c903d271.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:704
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "cbvx3jw" /tr '"C:\Users\Admin\AppData\Roaming\cbvx3jw.exe"' & exit
      2⤵
      • Executes a command shell one-liner
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2172
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks /create /f /sc onlogon /rl highest /tn "cbvx3jw" /tr '"C:\Users\Admin\AppData\Roaming\cbvx3jw.exe"'
        3⤵
        • System Location Discovery: System Language Discovery
        • Scheduled Task/Job: Scheduled Task
        PID:1800
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp4627.tmp.bat""
      2⤵
      • Executes a command shell one-liner
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:3720
      • C:\Windows\SysWOW64\timeout.exe
        timeout 3
        3⤵
        • System Location Discovery: System Language Discovery
        • Delays execution with timeout.exe
        PID:5472
      • C:\Users\Admin\AppData\Roaming\cbvx3jw.exe
        "C:\Users\Admin\AppData\Roaming\cbvx3jw.exe"
        3⤵
          PID:2020
    • C:\Users\Admin\AppData\Roaming\cbvx3jw.exe
      "C:\Users\Admin\AppData\Roaming\cbvx3jw.exe"
      1⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:5740

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          tmp4627.tmp.bat

          • Path C:\Users\Admin\AppData\Local\Temp\tmp4627.tmp.bat
          • Size 151B
          • SHA256 af77549abd2ee389019a53251dfbea1223bdd3b899de6c277b6b70aa8e0afef7
          • MD5 SHA1 SHA512 TLSH

          cbvx3jw.exe

          • Path C:\Users\Admin\AppData\Roaming\cbvx3jw.exe
          • Size 45KB
          • SHA256 604915ea66d17a4ccfe418f2b89fbac286f53968ac4d2052b173d9d0c903d271
          • MD5 SHA1 SHA512 SSDEEP TLSH

          memory/704-0-0x0000000074C62000-0x0000000074C63000-memory.dmp

          memory/704-1-0x0000000000A70000-0x0000000000A82000-memory.dmp

          memory/704-2-0x0000000074C50000-0x000000007540C000-memory.dmp

          memory/704-3-0x0000000005580000-0x000000000561C000-memory.dmp

          memory/704-8-0x0000000074C50000-0x000000007540C000-memory.dmp

          memory/5740-12-0x0000000074AD0000-0x000000007528C000-memory.dmp

          memory/5740-14-0x0000000074AD0000-0x000000007528C000-memory.dmp