Overview

overview

10

Static

static

10

c1bb21b6f9...f1.exe

windows10-2004-x64

10

c1bb21b6f9...f1.exe

windows11-ltsc_2024-x64

10

Analysis

  • max time kernel
    148s
  • max time network
    152s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260706-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260706-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    07/07/2026, 17:06

Sharing

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General

  • Target
    c1bb21b6f9fab77a9e5751b4306cba80e5712aaab449fe05de8b95906126f9f1.exe
  • Size 45KB
  • Sample260707-vmv3qsa15r
  • SHA256 c1bb21b6f9fab77a9e5751b4306cba80e5712aaab449fe05de8b95906126f9f1
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
defaultdefense_evasiondiscoveryexecutionasyncratpersistencerat

Malware Config

Extracted

Family

  • asyncrat

Version

  • 0.5.8

Botnet

  • Default

C2

  • x.vnphimsexhay.blog:80

  • x.vnphimsexhay.blog:22

  • x.vnphimsexhay.blog:8080

  • x.vnphimsexhay.blog:8880

  • x.vnphimsexhay.blog:2052

  • x.vnphimsexhay.blog:2082

  • x.vnphimsexhay.blog:2086

  • x.vnphimsexhay.blog:2095

  • x.vnphimsexhay.blog:443

  • x.vnphimsexhay.blog:2053

  • x.vnphimsexhay.blog:2083

  • x.vnphimsexhay.blog:2087

  • x.vnphimsexhay.blog:2096

  • x.vnphimsexhay.blog:8443

  • www.x.vnphimsexhay.blog:80

  • www.x.vnphimsexhay.blog:22

  • www.x.vnphimsexhay.blog:8080

  • www.x.vnphimsexhay.blog:8880

  • www.x.vnphimsexhay.blog:2052

  • www.x.vnphimsexhay.blog:2082

Mutex

  • 1RpmDJnRuqbv

Attributes
  • delay

    0

  • install

    true

  • install_file

    au5qas4.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
  • 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\c1bb21b6f9fab77a9e5751b4306cba80e5712aaab449fe05de8b95906126f9f1.exe
    "C:\Users\Admin\AppData\Local\Temp\c1bb21b6f9fab77a9e5751b4306cba80e5712aaab449fe05de8b95906126f9f1.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    PID:1372
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "au5qas4" /tr '"C:\Users\Admin\AppData\Roaming\au5qas4.exe"' & exit
      2⤵
        PID:2400
        • C:\Windows\SysWOW64\schtasks.exe
          schtasks /create /f /sc onlogon /rl highest /tn "au5qas4" /tr '"C:\Users\Admin\AppData\Roaming\au5qas4.exe"'
          3⤵
          • Scheduled Task/Job: Scheduled Task
          PID:5828
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmpF19E.tmp.bat""
        2⤵
          PID:2828
          • C:\Windows\SysWOW64\timeout.exe
            timeout 3
            3⤵
            • Delays execution with timeout.exe
            PID:5560
          • C:\Users\Admin\AppData\Roaming\au5qas4.exe
            "C:\Users\Admin\AppData\Roaming\au5qas4.exe"
            3⤵
              PID:3872
        • C:\Users\Admin\AppData\Roaming\au5qas4.exe
          "C:\Users\Admin\AppData\Roaming\au5qas4.exe"
          1⤵
            PID:2444
          • C:\Windows\system32\sihost.exe
            sihost.exe
            1⤵
              PID:1752
              • C:\Windows\explorer.exe
                explorer.exe /LOADSAVEDWINDOWS
                2⤵
                  PID:3788
              • C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\SearchHost.exe
                "C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\SearchHost.exe" -ServerName:CortanaUI.AppXstmwaab17q5s3y22tp6apqz7a45vwv65.mca
                1⤵
                  PID:2228
                • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
                  "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
                  1⤵
                    PID:3892

                  Network

                        MITRE ATT&CK Enterprise v16

                        Replay Monitor

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                        Downloads

                        prep_Activatable Class_Hermes_perf.cache
                        • Path C:\Users\Admin\AppData\Local\Packages\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\TempState\prep_Activatable Class_Hermes_perf.cache
                        • Size 607B
                        • SHA256 be6b74e52e5eef1f1c27c0976bf3bf1bfa99958c00bbef2898a602f691be6dae
                        • MD5 SHA1 SHA512 TLSH
                        Submit Download

                        tmpF19E.tmp.bat
                        • Path C:\Users\Admin\AppData\Local\Temp\tmpF19E.tmp.bat
                        • Size 151B
                        • SHA256 4b8655eea04d07c27bf8fcc8c12a11bf2345d24c2de7bdae11a01c66ad88a04c
                        • MD5 SHA1 SHA512 TLSH
                        Submit Download

                        au5qas4.exe
                        • Path C:\Users\Admin\AppData\Roaming\au5qas4.exe
                        • Size 45KB
                        • SHA256 c1bb21b6f9fab77a9e5751b4306cba80e5712aaab449fe05de8b95906126f9f1
                        • MD5 SHA1 SHA512 SSDEEP TLSH
                        Submit Download

                        memory/1372-3-0x0000000005820000-0x00000000058BC000-memory.dmp
                        Download

                        memory/1372-8-0x0000000074750000-0x0000000074F0C000-memory.dmp
                        Download

                        memory/1372-2-0x0000000074750000-0x0000000074F0C000-memory.dmp
                        Download

                        memory/1372-0-0x0000000074762000-0x0000000074763000-memory.dmp
                        Download

                        memory/1372-1-0x0000000000DC0000-0x0000000000DD2000-memory.dmp
                        Download

                        memory/2228-35-0x0000022D801A0000-0x0000022D802A0000-memory.dmp
                        Download

                        memory/2228-43-0x0000022D82B30000-0x0000022D82B50000-memory.dmp
                        Download

                        memory/2228-49-0x0000022D829D0000-0x0000022D829F0000-memory.dmp
                        Download

                        memory/2228-44-0x0000022D82E10000-0x0000022D82F10000-memory.dmp
                        Download

                        memory/2228-81-0x0000022D84270000-0x0000022D84290000-memory.dmp
                        Download

                        memory/2444-12-0x00000000745F0000-0x0000000074DAC000-memory.dmp
                        Download

                        memory/2444-14-0x00000000745F0000-0x0000000074DAC000-memory.dmp
                        Download