Overview

overview

10

Static

static

10

9c590f5f26...a8.exe

windows10-2004-x64

10

9c590f5f26...a8.exe

windows11-21h2-x64

10

Analysis

  • max time kernel
    149s
  • max time network
    152s
  • platform
    windows11-21h2_x64
  • resource
    win11-20260513-en
  • resource tags

    arch:x64arch:x86image:win11-20260513-enlocale:en-usos:windows11-21h2-x64systemwindows
  • submitted
    01/06/2026, 12:43

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General

  • Target
    9c590f5f266f8513f798e56c4ed06b17c38974e267c0c42ec46831e14b50d4a8.exe
  • Size 45KB
  • Sample260601-pyex1acv5z
  • SHA256 9c590f5f266f8513f798e56c4ed06b17c38974e267c0c42ec46831e14b50d4a8
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
defaultdefense_evasiondiscoveryexecutionasyncratpersistencerat

Malware Config

Extracted

Family

  • asyncrat

Version

  • 0.5.8

Botnet

  • Default

C2

  • sunshinemediclinic.com:443

  • sunshinemediclinic.com:80

  • www.sunshinemediclinic.com:443

  • www.sunshinemediclinic.com:80

  • trisis.sunshinemediclinic.com:443

  • trisis.sunshinemediclinic.com:80

  • cryptolocker.sunshinemediclinic.com:443

  • cryptolocker.sunshinemediclinic.com:80

  • mirai.sunshinemediclinic.com:443

  • mirai.sunshinemediclinic.com:80

Mutex

  • nwQBG1MdXZAM

Attributes
  • delay

    0

  • install

    true

  • install_file

    p4vslqsp.exe

  • install_folder

    %AppData%

aes.plain

Signatures

  • Family: AsyncRat

    AsyncRAT is designed to remotely monitor and control other computers written in C#.

    ratasyncrat
  • Async RAT payload 1 IoCs
    rat
  • 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.

    discovery
  • Delays execution with timeout.exe 1 IoCs
    defense_evasion
  • Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

    persistenceexecution
  • Suspicious behavior: EnumeratesProcesses 19 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 5 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\9c590f5f266f8513f798e56c4ed06b17c38974e267c0c42ec46831e14b50d4a8.exe
    "C:\Users\Admin\AppData\Local\Temp\9c590f5f266f8513f798e56c4ed06b17c38974e267c0c42ec46831e14b50d4a8.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:5248
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "p4vslqsp" /tr '"C:\Users\Admin\AppData\Roaming\p4vslqsp.exe"' & exit
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:4916
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks /create /f /sc onlogon /rl highest /tn "p4vslqsp" /tr '"C:\Users\Admin\AppData\Roaming\p4vslqsp.exe"'
        3⤵
        • System Location Discovery: System Language Discovery
        • Scheduled Task/Job: Scheduled Task
        PID:6136
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp408E.tmp.bat""
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:3132
      • C:\Windows\SysWOW64\timeout.exe
        timeout 3
        3⤵
        • System Location Discovery: System Language Discovery
        • Delays execution with timeout.exe
        PID:5204
      • C:\Users\Admin\AppData\Roaming\p4vslqsp.exe
        "C:\Users\Admin\AppData\Roaming\p4vslqsp.exe"
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        PID:4308
  • C:\Users\Admin\AppData\Roaming\p4vslqsp.exe
    "C:\Users\Admin\AppData\Roaming\p4vslqsp.exe"
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    PID:5804

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        tmp408E.tmp.bat
        • Path C:\Users\Admin\AppData\Local\Temp\tmp408E.tmp.bat
        • Size 152B
        • SHA256 bebb4a611adb487eadf1f6cd620909e7e5f85a9ad25d6aa38aaf640bb641038d
        • MD5 SHA1 SHA512 TLSH
        Submit Download

        p4vslqsp.exe
        • Path C:\Users\Admin\AppData\Roaming\p4vslqsp.exe
        • Size 45KB
        • SHA256 9c590f5f266f8513f798e56c4ed06b17c38974e267c0c42ec46831e14b50d4a8
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        memory/5248-0-0x00000000008B0000-0x00000000008C2000-memory.dmp
        Download

        memory/5248-1-0x0000000005400000-0x0000000005410000-memory.dmp
        Download

        memory/5248-2-0x0000000005410000-0x00000000054AC000-memory.dmp
        Download