Overview

overview

10

Static

static

10

23fa1126d6...5e.exe

windows10-2004-x64

10

23fa1126d6...5e.exe

windows11-ltsc_2024-x64

10

Analysis

  • max time kernel
    140s
  • max time network
    140s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    07/09/2026, 20:12

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General

  • Target
    23fa1126d627aa4ac6ace9a88a30ad65ca05f6e426545f0e7e4bd8c30ce9805e.exe
  • Size 45KB
  • Sample260907-yzbfmsbb67
  • SHA256 23fa1126d627aa4ac6ace9a88a30ad65ca05f6e426545f0e7e4bd8c30ce9805e
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
defaultdefense_evasiondiscoveryexecutionasyncratpersistencerat

Malware Config

Extracted

Family

  • asyncrat

Version

  • 0.5.8

Botnet

  • Default

C2

  • sexvn98.com:80

  • sexvn98.com:22

  • sexvn98.com:8080

  • sexvn98.com:8880

  • sexvn98.com:2052

  • sexvn98.com:2082

  • sexvn98.com:2086

  • sexvn98.com:2095

  • sexvn98.com:443

  • sexvn98.com:2053

  • sexvn98.com:2083

  • sexvn98.com:2087

  • sexvn98.com:2096

  • sexvn98.com:8443

  • www.sexvn98.com:80

  • www.sexvn98.com:22

  • www.sexvn98.com:8080

  • www.sexvn98.com:8880

  • www.sexvn98.com:2052

  • www.sexvn98.com:2082

Mutex

  • PGXh601LZRnr

Attributes
  • delay

    0

  • install

    true

  • install_file

    urzyir.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 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.

    execution
  • System Location Discovery: System Language Discovery 1 TTPs 1 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

Processes

  • C:\Users\Admin\AppData\Local\Temp\23fa1126d627aa4ac6ace9a88a30ad65ca05f6e426545f0e7e4bd8c30ce9805e.exe
    "C:\Users\Admin\AppData\Local\Temp\23fa1126d627aa4ac6ace9a88a30ad65ca05f6e426545f0e7e4bd8c30ce9805e.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    PID:2168
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "urzyir" /tr '"C:\Users\Admin\AppData\Roaming\urzyir.exe"' & exit
      2⤵
      • Executes a command shell one-liner
      PID:3880
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks /create /f /sc onlogon /rl highest /tn "urzyir" /tr '"C:\Users\Admin\AppData\Roaming\urzyir.exe"'
        3⤵
        • Scheduled Task/Job: Scheduled Task
        PID:3764
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp38C9.tmp.bat""
      2⤵
      • Executes a command shell one-liner
      PID:2444
      • C:\Windows\SysWOW64\timeout.exe
        timeout 3
        3⤵
        • Delays execution with timeout.exe
        PID:4228
      • C:\Users\Admin\AppData\Roaming\urzyir.exe
        "C:\Users\Admin\AppData\Roaming\urzyir.exe"
        3⤵
          PID:4512
    • C:\Users\Admin\AppData\Roaming\urzyir.exe
      "C:\Users\Admin\AppData\Roaming\urzyir.exe"
      1⤵
        PID:5376

      Network

            MITRE ATT&CK Enterprise v16

            Replay Monitor

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            Downloads

            tmp38C9.tmp.bat
            • Path C:\Users\Admin\AppData\Local\Temp\tmp38C9.tmp.bat
            • Size 150B
            • SHA256 7b8f237647e6b5b8d378d1d7138668010f35f1553a0afa41c59640741e7ef39a
            • MD5 SHA1 SHA512 TLSH
            Submit Download

            urzyir.exe
            • Path C:\Users\Admin\AppData\Roaming\urzyir.exe
            • Size 45KB
            • SHA256 23fa1126d627aa4ac6ace9a88a30ad65ca05f6e426545f0e7e4bd8c30ce9805e
            • MD5 SHA1 SHA512 SSDEEP TLSH
            Submit Download

            memory/2168-0-0x0000000074392000-0x0000000074393000-memory.dmp
            Download

            memory/2168-1-0x0000000000EC0000-0x0000000000ED2000-memory.dmp
            Download

            memory/2168-2-0x0000000074380000-0x0000000074B3C000-memory.dmp
            Download

            memory/2168-3-0x00000000059D0000-0x0000000005A6C000-memory.dmp
            Download

            memory/2168-8-0x0000000074380000-0x0000000074B3C000-memory.dmp
            Download

            memory/5376-12-0x00000000741B0000-0x000000007496C000-memory.dmp
            Download

            memory/5376-14-0x00000000741B0000-0x000000007496C000-memory.dmp
            Download