Overview

overview

10

Static

static

10

bdbc7d1221...da.exe

windows10-2004-x64

10

bdbc7d1221...da.exe

windows11-ltsc_2024-x64

10

Analysis

  • max time kernel
    149s
  • max time network
    155s
  • 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, 14:30

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General

  • Target
    bdbc7d1221cfc6d925d4d87ac86443c70ae8f9a8c2ca91b897a547c52a64e0da.exe
  • Size 45KB
  • Sample260707-rt43fafv3x
  • SHA256 bdbc7d1221cfc6d925d4d87ac86443c70ae8f9a8c2ca91b897a547c52a64e0da
  • 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

  • D38H4dM3mMzb

Attributes
  • delay

    0

  • install

    true

  • install_file

    4s9c.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\bdbc7d1221cfc6d925d4d87ac86443c70ae8f9a8c2ca91b897a547c52a64e0da.exe
    "C:\Users\Admin\AppData\Local\Temp\bdbc7d1221cfc6d925d4d87ac86443c70ae8f9a8c2ca91b897a547c52a64e0da.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    PID:4712
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "4s9c" /tr '"C:\Users\Admin\AppData\Roaming\4s9c.exe"' & exit
      2⤵
        PID:3828
        • C:\Windows\SysWOW64\schtasks.exe
          schtasks /create /f /sc onlogon /rl highest /tn "4s9c" /tr '"C:\Users\Admin\AppData\Roaming\4s9c.exe"'
          3⤵
          • Scheduled Task/Job: Scheduled Task
          PID:6016
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp5DE5.tmp.bat""
        2⤵
          PID:5512
          • C:\Windows\SysWOW64\timeout.exe
            timeout 3
            3⤵
            • Delays execution with timeout.exe
            PID:2448
          • C:\Users\Admin\AppData\Roaming\4s9c.exe
            "C:\Users\Admin\AppData\Roaming\4s9c.exe"
            3⤵
              PID:4212
        • C:\Users\Admin\AppData\Roaming\4s9c.exe
          "C:\Users\Admin\AppData\Roaming\4s9c.exe"
          1⤵
            PID:5348
          • C:\Windows\system32\svchost.exe
            C:\Windows\system32\svchost.exe -k GPSvcGroup
            1⤵
              PID:3272
            • C:\Windows\system32\sihost.exe
              sihost.exe
              1⤵
                PID:5428
                • C:\Windows\explorer.exe
                  explorer.exe /LOADSAVEDWINDOWS
                  2⤵
                    PID:2052
                • C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\SearchHost.exe
                  "C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\SearchHost.exe" -ServerName:CortanaUI.AppXstmwaab17q5s3y22tp6apqz7a45vwv65.mca
                  1⤵
                    PID:6068
                  • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
                    "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
                    1⤵
                      PID:2112

                    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

                          tmp5DE5.tmp.bat
                          • Path C:\Users\Admin\AppData\Local\Temp\tmp5DE5.tmp.bat
                          • Size 148B
                          • SHA256 bace80dd8c38cccfaddbec42eecd5cbc360bad8f569d84a60dfd88c7431fff8a
                          • MD5 SHA1 SHA512 TLSH
                          Submit Download

                          4s9c.exe
                          • Path C:\Users\Admin\AppData\Roaming\4s9c.exe
                          • Size 45KB
                          • SHA256 bdbc7d1221cfc6d925d4d87ac86443c70ae8f9a8c2ca91b897a547c52a64e0da
                          • MD5 SHA1 SHA512 SSDEEP TLSH
                          Submit Download

                          memory/2052-192-0x000000000DA90000-0x000000000E30B000-memory.dmp
                          Download

                          memory/2112-198-0x0000020883C60000-0x0000020883D34000-memory.dmp
                          Download

                          memory/4712-1-0x0000000000DA0000-0x0000000000DB2000-memory.dmp
                          Download

                          memory/4712-2-0x0000000075080000-0x000000007583C000-memory.dmp
                          Download

                          memory/4712-3-0x00000000058E0000-0x000000000597C000-memory.dmp
                          Download

                          memory/4712-8-0x0000000075080000-0x000000007583C000-memory.dmp
                          Download

                          memory/4712-0-0x0000000075092000-0x0000000075093000-memory.dmp
                          Download

                          memory/5348-14-0x0000000074F90000-0x000000007574C000-memory.dmp
                          Download

                          memory/5348-12-0x0000000074F90000-0x000000007574C000-memory.dmp
                          Download

                          memory/6068-62-0x0000013B14550000-0x0000013B14570000-memory.dmp
                          Download

                          memory/6068-28-0x0000013B141F0000-0x0000013B142F0000-memory.dmp
                          Download

                          memory/6068-18-0x0000013B001E0000-0x0000013B002E0000-memory.dmp
                          Download

                          memory/6068-47-0x0000013B145B0000-0x0000013B145D0000-memory.dmp
                          Download

                          memory/6068-17-0x0000013B001E0000-0x0000013B002E0000-memory.dmp
                          Download

                          memory/6068-27-0x0000013B03E80000-0x0000013B03EA0000-memory.dmp
                          Download