Analysis

  • max time kernel
    148s
  • 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
    14/07/2026, 09:11

General

  • Target
    ca239996c59fc0883e02c2532ed619998b7b1001f7af39ee2fc07374bc33de36.exe
  • Size 45KB
  • Sample260714-k5sp8act4s
  • SHA256 ca239996c59fc0883e02c2532ed619998b7b1001f7af39ee2fc07374bc33de36
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Family
  • asyncrat

Version
  • 0.5.8

Botnet
  • Default

C2
  • haysex.vip:80

  • haysex.vip:22

  • haysex.vip:8080

  • haysex.vip:8880

  • haysex.vip:2052

  • haysex.vip:2082

  • haysex.vip:2086

  • haysex.vip:2095

  • haysex.vip:443

  • haysex.vip:2053

  • haysex.vip:2083

  • haysex.vip:2087

  • haysex.vip:2096

  • haysex.vip:8443

  • www.haysex.vip:80

  • www.haysex.vip:22

  • www.haysex.vip:8080

  • www.haysex.vip:8880

  • www.haysex.vip:2052

  • www.haysex.vip:2082

Mutex
  • 3OG5WZ5AgfEw

Attributes
  • delay

    0

  • install

    true

  • install_file

    8vvnx.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\ca239996c59fc0883e02c2532ed619998b7b1001f7af39ee2fc07374bc33de36.exe
    "C:\Users\Admin\AppData\Local\Temp\ca239996c59fc0883e02c2532ed619998b7b1001f7af39ee2fc07374bc33de36.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3700
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "8vvnx" /tr '"C:\Users\Admin\AppData\Roaming\8vvnx.exe"' & exit
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:3044
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks /create /f /sc onlogon /rl highest /tn "8vvnx" /tr '"C:\Users\Admin\AppData\Roaming\8vvnx.exe"'
        3⤵
        • System Location Discovery: System Language Discovery
        • Scheduled Task/Job: Scheduled Task
        PID:4812
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmpCA11.tmp.bat""
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:4808
      • C:\Windows\SysWOW64\timeout.exe
        timeout 3
        3⤵
        • System Location Discovery: System Language Discovery
        • Delays execution with timeout.exe
        PID:3148
      • C:\Users\Admin\AppData\Roaming\8vvnx.exe
        "C:\Users\Admin\AppData\Roaming\8vvnx.exe"
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        PID:2484
  • C:\Users\Admin\AppData\Roaming\8vvnx.exe
    "C:\Users\Admin\AppData\Roaming\8vvnx.exe"
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    PID:3104

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        tmpCA11.tmp.bat

        • Path C:\Users\Admin\AppData\Local\Temp\tmpCA11.tmp.bat
        • Size 149B
        • SHA256 56e84f0e98aba7d46b610056a739f1b204b13bdf5849ae3b6222642e3f6c836e
        • MD5 SHA1 SHA512 TLSH

        8vvnx.exe

        • Path C:\Users\Admin\AppData\Roaming\8vvnx.exe
        • Size 45KB
        • SHA256 ca239996c59fc0883e02c2532ed619998b7b1001f7af39ee2fc07374bc33de36
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/3104-12-0x0000000074900000-0x00000000750BC000-memory.dmp

        memory/3104-14-0x0000000074900000-0x00000000750BC000-memory.dmp

        memory/3700-0-0x0000000074AB2000-0x0000000074AB3000-memory.dmp

        memory/3700-1-0x0000000000B30000-0x0000000000B42000-memory.dmp

        memory/3700-2-0x0000000074AA0000-0x000000007525C000-memory.dmp

        memory/3700-3-0x00000000054E0000-0x000000000557C000-memory.dmp

        memory/3700-8-0x0000000074AA0000-0x000000007525C000-memory.dmp