Overview

overview

10

Static

static

10

b0a4879f5f...ca.exe

windows10-2004-x64

10

b0a4879f5f...ca.exe

windows11-ltsc_2024-x64

10

Analysis

  • max time kernel
    148s
  • max time network
    151s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260629-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260629-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    01/07/2026, 09:49

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General

  • Target
    b0a4879f5f5f62accb41591fc6a82246ffa346ce22ac807ebbfd6946e7a752ca.exe
  • Size 45KB
  • Sample260701-ltlcfaaz3m
  • SHA256 b0a4879f5f5f62accb41591fc6a82246ffa346ce22ac807ebbfd6946e7a752ca
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
defaultdefense_evasiondiscoveryexecutionasyncratpersistencerat

Malware Config

Extracted

Family

  • asyncrat

Version

  • 0.5.8

Botnet

  • Default

C2

  • xemphimxxxhay.com:80

  • xemphimxxxhay.com:22

  • xemphimxxxhay.com:8080

  • xemphimxxxhay.com:8880

  • xemphimxxxhay.com:2052

  • xemphimxxxhay.com:2082

  • xemphimxxxhay.com:2086

  • xemphimxxxhay.com:2095

  • xemphimxxxhay.com:443

  • xemphimxxxhay.com:2053

  • xemphimxxxhay.com:2083

  • xemphimxxxhay.com:2087

  • xemphimxxxhay.com:2096

  • xemphimxxxhay.com:8443

  • www.xemphimxxxhay.com:80

  • www.xemphimxxxhay.com:22

  • www.xemphimxxxhay.com:8080

  • www.xemphimxxxhay.com:8880

  • www.xemphimxxxhay.com:2052

  • www.xemphimxxxhay.com:2082

Mutex

  • dsiwCTKsvxn1

Attributes
  • delay

    0

  • install

    true

  • install_file

    3dzi23j.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 dropped EXE 2 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • System Location Discovery: System Language Discovery 1 TTPs 7 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
  • Suspicious behavior: EnumeratesProcesses 29 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of WriteProcessMemory 5 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\b0a4879f5f5f62accb41591fc6a82246ffa346ce22ac807ebbfd6946e7a752ca.exe
    "C:\Users\Admin\AppData\Local\Temp\b0a4879f5f5f62accb41591fc6a82246ffa346ce22ac807ebbfd6946e7a752ca.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:6084
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "3dzi23j" /tr '"C:\Users\Admin\AppData\Roaming\3dzi23j.exe"' & exit
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:256
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks /create /f /sc onlogon /rl highest /tn "3dzi23j" /tr '"C:\Users\Admin\AppData\Roaming\3dzi23j.exe"'
        3⤵
        • System Location Discovery: System Language Discovery
        • Scheduled Task/Job: Scheduled Task
        PID:3916
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmpCAF7.tmp.bat""
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:5672
      • C:\Windows\SysWOW64\timeout.exe
        timeout 3
        3⤵
        • System Location Discovery: System Language Discovery
        • Delays execution with timeout.exe
        PID:2696
      • C:\Users\Admin\AppData\Roaming\3dzi23j.exe
        "C:\Users\Admin\AppData\Roaming\3dzi23j.exe"
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        PID:5260
  • C:\Windows\system32\sihost.exe
    sihost.exe
    1⤵
    • Suspicious use of FindShellTrayWindow
    PID:5128
    • C:\Windows\explorer.exe
      explorer.exe /LOADSAVEDWINDOWS
      2⤵
        PID:3448
    • C:\Users\Admin\AppData\Roaming\3dzi23j.exe
      "C:\Users\Admin\AppData\Roaming\3dzi23j.exe"
      1⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      PID:4484
    • C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\SearchHost.exe
      "C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\SearchHost.exe" -ServerName:CortanaUI.AppXstmwaab17q5s3y22tp6apqz7a45vwv65.mca
      1⤵
        PID:4260
      • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
        "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
        1⤵
          PID:728
        • C:\Windows\system32\svchost.exe
          C:\Windows\system32\svchost.exe -k GPSvcGroup
          1⤵
            PID:4552

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

                tmpCAF7.tmp.bat
                • Path C:\Users\Admin\AppData\Local\Temp\tmpCAF7.tmp.bat
                • Size 151B
                • SHA256 de57a23a8fa92141f043dd86e7f1ec731da7733c60375e5e2345ffdc0e92ac9b
                • MD5 SHA1 SHA512 TLSH
                Submit Download

                3dzi23j.exe
                • Path C:\Users\Admin\AppData\Roaming\3dzi23j.exe
                • Size 45KB
                • SHA256 b0a4879f5f5f62accb41591fc6a82246ffa346ce22ac807ebbfd6946e7a752ca
                • MD5 SHA1 SHA512 SSDEEP TLSH
                Submit Download

                memory/728-205-0x00000235F0C10000-0x00000235F0ECC000-memory.dmp
                Download

                memory/728-197-0x00000235F0C10000-0x00000235F0ECC000-memory.dmp
                Download

                memory/4260-45-0x000001BE03A10000-0x000001BE03A30000-memory.dmp
                Download

                memory/4260-33-0x000001BE00220000-0x000001BE00320000-memory.dmp
                Download

                memory/4260-79-0x000001BE14250000-0x000001BE14270000-memory.dmp
                Download

                memory/4260-57-0x000001BE03D30000-0x000001BE03D50000-memory.dmp
                Download

                memory/4260-46-0x000001BE13E70000-0x000001BE13F70000-memory.dmp
                Download

                memory/6084-8-0x0000000074E40000-0x00000000755FC000-memory.dmp
                Download

                memory/6084-3-0x0000000005430000-0x00000000054CC000-memory.dmp
                Download

                memory/6084-0-0x0000000074E52000-0x0000000074E53000-memory.dmp
                Download

                memory/6084-2-0x0000000074E40000-0x00000000755FC000-memory.dmp
                Download

                memory/6084-1-0x0000000000930000-0x0000000000942000-memory.dmp
                Download