Overview

overview

10

Static

static

10

534aa83a78...6d.exe

windows10-2004-x64

10

534aa83a78...6d.exe

windows11-ltsc_2024-x64

10

Analysis

  • max time kernel
    58s
  • max time network
    60s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    04/08/2026, 20:32

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General

  • Target
    534aa83a781c381dc275e74c53949113c108d5ac2a7a8b9ba9850f84d71dcd6d.exe
  • Size 45KB
  • Sample260804-zbd3asge95
  • SHA256 534aa83a781c381dc275e74c53949113c108d5ac2a7a8b9ba9850f84d71dcd6d
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
defaultcommand_and_controldefense_evasiondiscoveryexecutionasyncratpersistencerat

Malware Config

Extracted

Family

  • asyncrat

Version

  • 0.5.8

Botnet

  • Default

C2

  • phimdugai.blog:80

  • phimdugai.blog:22

  • phimdugai.blog:8080

  • phimdugai.blog:8880

  • phimdugai.blog:2052

  • phimdugai.blog:2082

  • phimdugai.blog:2086

  • phimdugai.blog:2095

  • phimdugai.blog:443

  • phimdugai.blog:2053

  • phimdugai.blog:2083

  • phimdugai.blog:2087

  • phimdugai.blog:2096

  • phimdugai.blog:8443

  • www.phimdugai.blog:80

  • www.phimdugai.blog:22

  • www.phimdugai.blog:8080

  • www.phimdugai.blog:8880

  • www.phimdugai.blog:2052

  • www.phimdugai.blog:2082

Mutex

  • 1BRn8EF4uxou

Attributes
  • delay

    0

  • install

    true

  • install_file

    vos4eu9.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
  • Outbound SSH connection to public host 2 TTPs 2 IoCs

    SSH is used for remote access. This may indicate SSH host discovery, encrypted C2 traffic, or data exfiltration.

    command_and_control
  • 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\534aa83a781c381dc275e74c53949113c108d5ac2a7a8b9ba9850f84d71dcd6d.exe
    "C:\Users\Admin\AppData\Local\Temp\534aa83a781c381dc275e74c53949113c108d5ac2a7a8b9ba9850f84d71dcd6d.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    PID:3452
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "vos4eu9" /tr '"C:\Users\Admin\AppData\Roaming\vos4eu9.exe"' & exit
      2⤵
      • Executes a command shell one-liner
      PID:4172
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks /create /f /sc onlogon /rl highest /tn "vos4eu9" /tr '"C:\Users\Admin\AppData\Roaming\vos4eu9.exe"'
        3⤵
        • Scheduled Task/Job: Scheduled Task
        PID:4424
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmpAF80.tmp.bat""
      2⤵
      • Executes a command shell one-liner
      PID:1296
      • C:\Windows\SysWOW64\timeout.exe
        timeout 3
        3⤵
        • Delays execution with timeout.exe
        PID:5940
      • C:\Users\Admin\AppData\Roaming\vos4eu9.exe
        "C:\Users\Admin\AppData\Roaming\vos4eu9.exe"
        3⤵
          PID:3752
    • C:\Users\Admin\AppData\Roaming\vos4eu9.exe
      "C:\Users\Admin\AppData\Roaming\vos4eu9.exe"
      1⤵
        PID:3568
      • C:\Windows\system32\svchost.exe
        C:\Windows\system32\svchost.exe -k GPSvcGroup
        1⤵
          PID:6100

        Network

              MITRE ATT&CK Enterprise v16

              Replay Monitor

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              Downloads

              tmpAF80.tmp.bat
              • Path C:\Users\Admin\AppData\Local\Temp\tmpAF80.tmp.bat
              • Size 151B
              • SHA256 f607a3cb2b0cb60e075879a2bbbe8630b6255d9a72bdac3e8ff4caf99c420b31
              • MD5 SHA1 SHA512 TLSH
              Submit Download

              vos4eu9.exe
              • Path C:\Users\Admin\AppData\Roaming\vos4eu9.exe
              • Size 45KB
              • SHA256 534aa83a781c381dc275e74c53949113c108d5ac2a7a8b9ba9850f84d71dcd6d
              • MD5 SHA1 SHA512 SSDEEP TLSH
              Submit Download

              memory/3452-0-0x0000000074A42000-0x0000000074A43000-memory.dmp
              Download

              memory/3452-1-0x0000000000EA0000-0x0000000000EB2000-memory.dmp
              Download

              memory/3452-2-0x0000000074A30000-0x00000000751EC000-memory.dmp
              Download

              memory/3452-3-0x00000000058C0000-0x000000000595C000-memory.dmp
              Download

              memory/3452-8-0x0000000074A30000-0x00000000751EC000-memory.dmp
              Download

              memory/3568-12-0x00000000748C0000-0x000000007507C000-memory.dmp
              Download

              memory/3568-14-0x00000000748C0000-0x000000007507C000-memory.dmp
              Download