Analysis

  • max time kernel
    148s
  • max time network
    155s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    22/07/2026, 08:18

General

  • Target
    87d6c3cf5d7efacaa26782710a4061da4a24e3d6fb4f062b3e24e870951ee850.exe
  • Size 45KB
  • Sample260722-j6958afm2v
  • SHA256 87d6c3cf5d7efacaa26782710a4061da4a24e3d6fb4f062b3e24e870951ee850
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Family
  • asyncrat

Version
  • 0.5.8

Botnet
  • Default

C2
  • phimvnxx.pro:80

  • phimvnxx.pro:22

  • phimvnxx.pro:8080

  • phimvnxx.pro:8880

  • phimvnxx.pro:2052

  • phimvnxx.pro:2082

  • phimvnxx.pro:2086

  • phimvnxx.pro:2095

  • phimvnxx.pro:443

  • phimvnxx.pro:2053

  • phimvnxx.pro:2083

  • phimvnxx.pro:2087

  • phimvnxx.pro:2096

  • phimvnxx.pro:8443

  • www.phimvnxx.pro:80

  • www.phimvnxx.pro:22

  • www.phimvnxx.pro:8080

  • www.phimvnxx.pro:8880

  • www.phimvnxx.pro:2052

  • www.phimvnxx.pro:2082

Mutex
  • jck68dgmLHqH

Attributes
  • delay

    0

  • install

    true

  • install_file

    pvapzj16.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\87d6c3cf5d7efacaa26782710a4061da4a24e3d6fb4f062b3e24e870951ee850.exe
    "C:\Users\Admin\AppData\Local\Temp\87d6c3cf5d7efacaa26782710a4061da4a24e3d6fb4f062b3e24e870951ee850.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4960
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "pvapzj16" /tr '"C:\Users\Admin\AppData\Roaming\pvapzj16.exe"' & exit
      2⤵
      • Executes a command shell one-liner
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:908
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks /create /f /sc onlogon /rl highest /tn "pvapzj16" /tr '"C:\Users\Admin\AppData\Roaming\pvapzj16.exe"'
        3⤵
        • System Location Discovery: System Language Discovery
        • Scheduled Task/Job: Scheduled Task
        PID:3552
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp4339.tmp.bat""
      2⤵
      • Executes a command shell one-liner
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:4576
      • C:\Windows\SysWOW64\timeout.exe
        timeout 3
        3⤵
        • System Location Discovery: System Language Discovery
        • Delays execution with timeout.exe
        PID:1732
      • C:\Users\Admin\AppData\Roaming\pvapzj16.exe
        "C:\Users\Admin\AppData\Roaming\pvapzj16.exe"
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        PID:2728
  • C:\Users\Admin\AppData\Roaming\pvapzj16.exe
    "C:\Users\Admin\AppData\Roaming\pvapzj16.exe"
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    PID:4792

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        tmp4339.tmp.bat

        • Path C:\Users\Admin\AppData\Local\Temp\tmp4339.tmp.bat
        • Size 152B
        • SHA256 c2b7ef70eb25eb28a0e563a7904bcccc00c53102f6b040cdea5b05ab8fa3c28d
        • MD5 SHA1 SHA512 TLSH

        pvapzj16.exe

        • Path C:\Users\Admin\AppData\Roaming\pvapzj16.exe
        • Size 45KB
        • SHA256 87d6c3cf5d7efacaa26782710a4061da4a24e3d6fb4f062b3e24e870951ee850
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/4792-12-0x0000000074310000-0x0000000074ACC000-memory.dmp

        memory/4792-14-0x0000000074310000-0x0000000074ACC000-memory.dmp

        memory/4960-0-0x0000000074522000-0x0000000074523000-memory.dmp

        memory/4960-1-0x0000000000460000-0x0000000000472000-memory.dmp

        memory/4960-2-0x0000000074510000-0x0000000074CCC000-memory.dmp

        memory/4960-3-0x0000000004E70000-0x0000000004F0C000-memory.dmp

        memory/4960-8-0x0000000074510000-0x0000000074CCC000-memory.dmp