Analysis

  • max time kernel
    149s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260513-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    07/09/2026, 19:36

General

  • Target
    1fbd94d1e98163f12cae95faa0ef462f05b097568bd024600e1c686e9e4d0d4f.exe
  • Size 45KB
  • Sample260907-ybllpsfl7v
  • SHA256 1fbd94d1e98163f12cae95faa0ef462f05b097568bd024600e1c686e9e4d0d4f
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Family
  • asyncrat

Version
  • 0.5.8

Botnet
  • Default

C2
  • phimhentaiz.vip:80

  • phimhentaiz.vip:22

  • phimhentaiz.vip:8080

  • phimhentaiz.vip:8880

  • phimhentaiz.vip:2052

  • phimhentaiz.vip:2082

  • phimhentaiz.vip:2086

  • phimhentaiz.vip:2095

  • phimhentaiz.vip:443

  • phimhentaiz.vip:2053

  • phimhentaiz.vip:2083

  • phimhentaiz.vip:2087

  • phimhentaiz.vip:2096

  • phimhentaiz.vip:8443

  • www.phimhentaiz.vip:80

  • www.phimhentaiz.vip:22

  • www.phimhentaiz.vip:8080

  • www.phimhentaiz.vip:8880

  • www.phimhentaiz.vip:2052

  • www.phimhentaiz.vip:2082

Mutex
  • 9uCFNbjIhFZC

Attributes
  • delay

    0

  • install

    true

  • install_file

    pqkrp5.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
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • 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 23 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 5 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\1fbd94d1e98163f12cae95faa0ef462f05b097568bd024600e1c686e9e4d0d4f.exe
    "C:\Users\Admin\AppData\Local\Temp\1fbd94d1e98163f12cae95faa0ef462f05b097568bd024600e1c686e9e4d0d4f.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3552
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "pqkrp5" /tr '"C:\Users\Admin\AppData\Roaming\pqkrp5.exe"' & exit
      2⤵
      • Executes a command shell one-liner
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2180
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks /create /f /sc onlogon /rl highest /tn "pqkrp5" /tr '"C:\Users\Admin\AppData\Roaming\pqkrp5.exe"'
        3⤵
        • System Location Discovery: System Language Discovery
        • Scheduled Task/Job: Scheduled Task
        PID:1532
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp76D.tmp.bat""
      2⤵
      • Executes a command shell one-liner
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2536
      • C:\Windows\SysWOW64\timeout.exe
        timeout 3
        3⤵
        • System Location Discovery: System Language Discovery
        • Delays execution with timeout.exe
        PID:4832
      • C:\Users\Admin\AppData\Roaming\pqkrp5.exe
        "C:\Users\Admin\AppData\Roaming\pqkrp5.exe"
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        PID:4440
  • C:\Users\Admin\AppData\Roaming\pqkrp5.exe
    "C:\Users\Admin\AppData\Roaming\pqkrp5.exe"
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    PID:2556

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        tmp76D.tmp.bat

        • Path C:\Users\Admin\AppData\Local\Temp\tmp76D.tmp.bat
        • Size 149B
        • SHA256 7aa54e326f108c888f87c5465c71bb2a0cebc5bbae441271b1969088ac060e5b
        • MD5 SHA1 SHA512 TLSH

        pqkrp5.exe

        • Path C:\Users\Admin\AppData\Roaming\pqkrp5.exe
        • Size 45KB
        • SHA256 1fbd94d1e98163f12cae95faa0ef462f05b097568bd024600e1c686e9e4d0d4f
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/2556-10-0x0000000004950000-0x0000000004960000-memory.dmp

        memory/2556-13-0x0000000004950000-0x0000000004960000-memory.dmp

        memory/3552-0-0x00000000006C0000-0x00000000006D2000-memory.dmp

        memory/3552-1-0x0000000005070000-0x0000000005080000-memory.dmp

        memory/3552-2-0x0000000005080000-0x000000000511C000-memory.dmp