Overview

overview

10

Static

static

10

bccc3239f0...20.exe

windows10-2004-x64

10

bccc3239f0...20.exe

windows11-ltsc_2024-x64

10

Analysis

  • max time kernel
    148s
  • max time network
    153s
  • 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, 17:45

Sharing

Copy URL Twitter E-mail
Report Analysis Logs

General

  • Target
    bccc3239f0a3dcdfaa5863f759a2a3b2ed0784635c56a46522ab649a744a2520.exe
  • Size 45KB
  • Sample260707-wb28caaz71
  • SHA256 bccc3239f0a3dcdfaa5863f759a2a3b2ed0784635c56a46522ab649a744a2520
  • 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

  • Jni7eQRFwDuu

Attributes
  • delay

    0

  • install

    true

  • install_file

    f0clw.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\bccc3239f0a3dcdfaa5863f759a2a3b2ed0784635c56a46522ab649a744a2520.exe
    "C:\Users\Admin\AppData\Local\Temp\bccc3239f0a3dcdfaa5863f759a2a3b2ed0784635c56a46522ab649a744a2520.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    PID:1432
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "f0clw" /tr '"C:\Users\Admin\AppData\Roaming\f0clw.exe"' & exit
      2⤵
        PID:1604
        • C:\Windows\SysWOW64\schtasks.exe
          schtasks /create /f /sc onlogon /rl highest /tn "f0clw" /tr '"C:\Users\Admin\AppData\Roaming\f0clw.exe"'
          3⤵
          • Scheduled Task/Job: Scheduled Task
          PID:6012
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp5FE9.tmp.bat""
        2⤵
          PID:2672
          • C:\Windows\SysWOW64\timeout.exe
            timeout 3
            3⤵
            • Delays execution with timeout.exe
            PID:2564
          • C:\Users\Admin\AppData\Roaming\f0clw.exe
            "C:\Users\Admin\AppData\Roaming\f0clw.exe"
            3⤵
              PID:5664
        • C:\Users\Admin\AppData\Roaming\f0clw.exe
          "C:\Users\Admin\AppData\Roaming\f0clw.exe"
          1⤵
            PID:548
          • C:\Windows\system32\sihost.exe
            sihost.exe
            1⤵
              PID:1164
              • C:\Windows\explorer.exe
                explorer.exe /LOADSAVEDWINDOWS
                2⤵
                  PID:260
              • C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\SearchHost.exe
                "C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\SearchHost.exe" -ServerName:CortanaUI.AppXstmwaab17q5s3y22tp6apqz7a45vwv65.mca
                1⤵
                  PID:5168
                • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
                  "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
                  1⤵
                    PID:4148

                  Network

                        MITRE ATT&CK Enterprise v16

                        Replay Monitor

                        Loading Replay Monitor...

                        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 599B
                        • SHA256 b536a3dae9ea5c69081f0491eed829e3b57e32401fdf49a63031bcd6b20e6fdb
                        • MD5 SHA1 SHA512 TLSH
                        Submit Download

                        tmp5FE9.tmp.bat
                        • Path C:\Users\Admin\AppData\Local\Temp\tmp5FE9.tmp.bat
                        • Size 149B
                        • SHA256 96846484cb8eb5e83f713a37575ba1fbad423139e180a2ac1b642cdb4b725372
                        • MD5 SHA1 SHA512 TLSH
                        Submit Download

                        f0clw.exe
                        • Path C:\Users\Admin\AppData\Roaming\f0clw.exe
                        • Size 45KB
                        • SHA256 bccc3239f0a3dcdfaa5863f759a2a3b2ed0784635c56a46522ab649a744a2520
                        • MD5 SHA1 SHA512 SSDEEP TLSH
                        Submit Download

                        memory/548-14-0x0000000074C90000-0x000000007544C000-memory.dmp
                        Download

                        memory/548-12-0x0000000074C90000-0x000000007544C000-memory.dmp
                        Download

                        memory/1432-8-0x0000000074C90000-0x000000007544C000-memory.dmp
                        Download

                        memory/1432-0-0x0000000074CA2000-0x0000000074CA3000-memory.dmp
                        Download

                        memory/1432-3-0x0000000004C50000-0x0000000004CEC000-memory.dmp
                        Download

                        memory/1432-2-0x0000000074C90000-0x000000007544C000-memory.dmp
                        Download

                        memory/1432-1-0x0000000000130000-0x0000000000142000-memory.dmp
                        Download

                        memory/4148-202-0x0000016C80000000-0x0000016C802BC000-memory.dmp
                        Download

                        memory/4148-211-0x0000016C80000000-0x0000016C802BC000-memory.dmp
                        Download

                        memory/5168-17-0x0000028A801E0000-0x0000028A802E0000-memory.dmp
                        Download

                        memory/5168-79-0x0000028A946B0000-0x0000028A946D0000-memory.dmp
                        Download

                        memory/5168-47-0x0000028A93F00000-0x0000028A94000000-memory.dmp
                        Download

                        memory/5168-57-0x0000028A83CB0000-0x0000028A83CD0000-memory.dmp
                        Download

                        memory/5168-46-0x0000028A83C90000-0x0000028A83CB0000-memory.dmp
                        Download