Overview

overview

8

Static

static

3

AACGUARD-v...02.exe

windows10-2004-x64

7

AACGUARD-v...02.exe

windows11-ltsc_2024-x64

7

$PLUGINSDI...ns.dll

windows10-2004-x64

3

$PLUGINSDI...ns.dll

windows11-ltsc_2024-x64

8

$PLUGINSDI...LL.dll

windows10-2004-x64

3

$PLUGINSDI...LL.dll

windows11-ltsc_2024-x64

8

$PLUGINSDI...em.dll

windows10-2004-x64

3

$PLUGINSDI...em.dll

windows11-ltsc_2024-x64

3

$RESOURCES...AC.exe

windows10-2004-x64

7

$RESOURCES...AC.exe

windows11-ltsc_2024-x64

3

$RESOURCES...r3.dll

windows10-2004-x64

1

$RESOURCES...r3.dll

windows10-2004-x64

1

$RESOURCES...r3.dll

windows11-ltsc_2024-x64

6

$RESOURCES...r3.dll

windows10-2004-x64

1

$RESOURCES...r3.dll

windows11-ltsc_2024-x64

1

$RESOURCES...op.dll

windows10-2004-x64

1

$RESOURCES...op.dll

windows11-ltsc_2024-x64

8

$RESOURCES...r3.dll

windows10-2004-x64

1

$RESOURCES...r3.dll

windows11-ltsc_2024-x64

6

$RESOURCES...r3.dll

windows10-2004-x64

1

$RESOURCES...r3.dll

windows11-ltsc_2024-x64

6

Analysis

  • max time kernel
    599s
  • max time network
    473s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260911-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260911-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    18/10/2026, 16:49

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General

  • Target
    $RESOURCES/AACGUARD/AACGUARD/AAC.exe
  • Size 183.5MB
  • Sample261018-vbpftassbx
  • SHA256 fa9306aa6043a02e6a945ce988d60f4adc3da6eee265e78f32ad7c3771b7f0f7
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
7/10
discoveryexecutionpersistence

Malware Config

Signatures

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Reads the TCP/IP host and domain name from the registry 1 TTPs 2 IoCs

    The configured hostname and DNS domain identify the machine and are commonly collected to profile a host before it reports in.

    discovery
  • 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 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of SendNotifyMessage 2 IoCs
  • Suspicious use of WriteProcessMemory 2 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

Processes

  • C:\Users\Admin\AppData\Local\Temp\$RESOURCES\AACGUARD\AACGUARD\AAC.exe
    "C:\Users\Admin\AppData\Local\Temp\$RESOURCES\AACGUARD\AACGUARD\AAC.exe"
    1⤵
    • Checks computer location settings
    • Reads the TCP/IP host and domain name from the registry
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of WriteProcessMemory
    PID:3608
    • C:\Windows\system32\schtasks.exe
      "C:\Windows\system32\schtasks.exe" /Query /TN AACGuard
      2⤵
        PID:1032
      • C:\Windows\system32\schtasks.exe
        "C:\Windows\system32\schtasks.exe" /Create /TN AACGuard /XML C:\Users\Admin\AppData\Local\Temp\aacguard-task-0aeade3186a24e62a75ed663a6859654.xml /F
        2⤵
        • Scheduled Task/Job: Scheduled Task
        PID:2416
    • C:\Users\Admin\AppData\Local\Temp\$RESOURCES\AACGUARD\AACGUARD\AAC.exe
      C:\Users\Admin\AppData\Local\Temp\$RESOURCES\AACGUARD\AACGUARD\AAC.exe
      1⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:2212

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

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          Downloads

          aacguard-task-0aeade3186a24e62a75ed663a6859654.xml
          • Path C:\Users\Admin\AppData\Local\Temp\aacguard-task-0aeade3186a24e62a75ed663a6859654.xml
          • Size 3KB
          • SHA256 051ad8d93cff01096acfe2d234e40a9d9e398a17543f234fce517b3030a725fc
          • MD5 SHA1 SHA512 TLSH
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