Overview

overview

10

Static

static

3

activate_srqz7q.bat

windows10-2004-x64

10

activate_srqz7q.bat

windows11-ltsc_2024-x64

10

sechost_o4f32s.dll

windows10-2004-x64

10

sechost_o4f32s.dll

windows11-ltsc_2024-x64

10

Analysis

  • max time kernel
    102s
  • max time network
    125s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260617-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260617-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    27/06/2026, 00:23

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General

  • Target
    activate_srqz7q.bat
  • Size 129KB
  • Sample260627-apla4afx5v
  • SHA256 207d964e8254633cff1059ed62c2cc9fe67cedd83094bb2b61b9a430f924749b
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
adwaredefaultdefense_evasiondiscoveryasyncratdonutloaderloaderpersistenceransomwareratspyware

Malware Config

Extracted

Family

  • asyncrat

Version

  • 0.5.7B

Botnet

  • Default

C2

  • uejrhnfq.duckdns.org:6745

Mutex

  • AsyncMutex_6SI8OkPnk

Attributes
  • delay

    3

  • install

    false

  • install_folder

    %AppData%

aes.plain

Signatures

  • Family: AsyncRat

    AsyncRAT is designed to remotely monitor and control other computers written in C#.

    ratasyncrat
  • Family: DonutLoader

    DonutLoader is a position-independent code that enables in-memory execution of VBScript, JScript, EXE, DLL files and dotNET assemblies.

    loaderdonutloader
  • Async RAT payload 1 IoCs
    rat
  • Detects DonutLoader 1 IoCs
    loader
  • Boot or Logon Autostart Execution: Active Setup 2 TTPs 1 IoCs

    Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.

    persistence
  • Loads dropped DLL 1 IoCs
  • Deobfuscate/Decode Files or Information 1 TTPs 2 IoCs

    Payload decoded via CertUtil.

    defense_evasion
  • Enumerates connected drives 3 TTPs 2 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 1 IoCs

    Adversaries may check for Internet connectivity on compromised systems.

    discovery
  • Checks SCSI registry key(s) 3 TTPs 62 IoCs

    SCSI information is often read in order to detect sandboxing environments.

  • Modifies Internet Explorer settings 1 TTPs 1 IoCs
    adwarespyware
  • Modifies registry class 42 IoCs
  • Runs ping.exe 1 TTPs 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 62 IoCs
  • Suspicious use of FindShellTrayWindow 58 IoCs
  • Suspicious use of SendNotifyMessage 54 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 7 IoCs
  • Uses Task Scheduler COM API 1 TTPs

    The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.

    persistence
  • Uses Volume Shadow Copy WMI provider

    The Volume Shadow Copy service is used to manage backups/snapshots.

    ransomware
  • Uses Volume Shadow Copy service COM API

    The Volume Shadow Copy service is used to manage backups/snapshots.

    ransomware

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
    • Modifies registry class
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    PID:3472
    • C:\Windows\system32\cmd.exe
      C:\Windows\system32\cmd.exe /c "C:\Users\Admin\AppData\Local\Temp\activate_srqz7q.bat"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:4684
      • C:\Windows\system32\cmd.exe
        C:\Windows\system32\cmd.exe /K "C:\Users\Admin\AppData\Local\Temp\activate_srqz7q.bat"
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:3624
        • C:\Windows\system32\certutil.exe
          certutil -decode "C:\Users\Admin\AppData\Local\Temp\anbhm.b64" "C:\Users\Admin\AppData\Local\Temp\svcconf_srqz7q.dll"
          4⤵
          • Deobfuscate/Decode Files or Information
          PID:1272
        • C:\Windows\system32\certutil.exe
          certutil -decode "C:\Users\Admin\AppData\Local\Temp\mdfcc.b64" "C:\Users\Admin\AppData\Local\Temp\own.enc"
          4⤵
          • Deobfuscate/Decode Files or Information
          PID:5948
        • C:\Windows\system32\rundll32.exe
          rundll32.exe "C:\Users\Admin\AppData\Local\Temp\svcconf_srqz7q.dll",Run
          4⤵
          • Loads dropped DLL
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of WriteProcessMemory
          PID:4112
        • C:\Windows\system32\PING.EXE
          ping -n 5 127.0.0.1
          4⤵
          • System Network Configuration Discovery: Internet Connection Discovery
          • Runs ping.exe
          PID:3488
  • C:\Windows\system32\sihost.exe
    sihost.exe
    1⤵
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of WriteProcessMemory
    PID:1924
    • C:\Windows\explorer.exe
      explorer.exe /LOADSAVEDWINDOWS
      2⤵
      • Boot or Logon Autostart Execution: Active Setup
      • Enumerates connected drives
      • Checks SCSI registry key(s)
      • Modifies Internet Explorer settings
      • Modifies registry class
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      • Suspicious use of SetWindowsHookEx
      PID:3396
  • C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\SearchHost.exe
    "C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\SearchHost.exe" -ServerName:CortanaUI.AppXstmwaab17q5s3y22tp6apqz7a45vwv65.mca
    1⤵
    • Modifies registry class
    • Suspicious use of SetWindowsHookEx
    PID:4824
  • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
    "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
    1⤵
    • Modifies registry class
    • Suspicious use of SetWindowsHookEx
    PID:716

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        IconCache.db
        • Path C:\Users\Admin\AppData\Local\IconCache.db
        • Size 13KB
        • SHA256 1c257040ceed11810e37b088bb384241357097d3b8d41f40c3adc273edd0b5a9
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        DiscoverCacheData.dat
        • Path C:\Users\Admin\AppData\Local\Microsoft\PenWorkspace\DiscoverCacheData.dat
        • Size 1016B
        • SHA256 79a759e37e206e32dea3a8934996013420f92cde5b2a36fd0060205eb46e4a8c
        • MD5 SHA1 SHA512 TLSH
        Submit Download

        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

        anbhm.b64
        • Path C:\Users\Admin\AppData\Local\Temp\anbhm.b64
        • Size 4KB
        • SHA256 5e73712e0cab294c4a4ab0d508c9936d6051879de7ddac3b946002140bf9d088
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        anbhm.b64
        • Path C:\Users\Admin\AppData\Local\Temp\anbhm.b64
        • Size 18KB
        • SHA256 5575d9c41a36a5639c6139f4e01dc885e8ef8963ac159b6d5790965aaff433ac
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        mdfcc.b64
        • Path C:\Users\Admin\AppData\Local\Temp\mdfcc.b64
        • Size 4KB
        • SHA256 e9d88f8d2626cf9bca9701d0862630c08efa21cb3f3e23fffdb05e12e1e7abce
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        mdfcc.b64
        • Path C:\Users\Admin\AppData\Local\Temp\mdfcc.b64
        • Size 101KB
        • SHA256 269f07a76e0dbc83c19c83e476f93b6c49b9372a51ad8f5cc6b7d1afc8e57124
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        svcconf_srqz7q.dll
        • Path C:\Users\Admin\AppData\Local\Temp\svcconf_srqz7q.dll
        • Size 14KB
        • SHA256 8e248505b6cd87d2e27ed40541c2b2933113380da27bc75458d62d419e732f8d
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        memory/3472-621-0x00000000008C0000-0x00000000008D3000-memory.dmp
        Download

        memory/3472-630-0x00000000008A0000-0x00000000008A1000-memory.dmp
        Download

        memory/3472-627-0x0000000003780000-0x0000000003781000-memory.dmp
        Download

        memory/3472-623-0x00000000030D0000-0x00000000030E2000-memory.dmp
        Download

        memory/4112-624-0x00007FFF88350000-0x00007FFF8835D000-memory.dmp
        Download

        memory/4824-687-0x0000018283D70000-0x0000018283D90000-memory.dmp
        Download

        memory/4824-668-0x0000018283B10000-0x0000018283B30000-memory.dmp
        Download

        memory/4824-669-0x0000018293FE0000-0x00000182940E0000-memory.dmp
        Download

        memory/4824-701-0x0000018294370000-0x0000018294390000-memory.dmp
        Download

        memory/4824-655-0x00000182801E0000-0x00000182802E0000-memory.dmp
        Download

        memory/4824-656-0x00000182801E0000-0x00000182802E0000-memory.dmp
        Download

        memory/4824-654-0x00000182801E0000-0x00000182802E0000-memory.dmp
        Download

        memory/4824-816-0x0000018280430000-0x0000018280613000-memory.dmp
        Download