Analysis

  • max time kernel
    148s
  • max time network
    129s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260911-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    13/11/2026, 09:53

General

  • Target
    Luxembourg-Swiss-French/aqlu_amd64.msi
  • Size 128KB
  • Sample261113-lwt3csts2j
  • SHA256 329aaab9293d0a5cbb8e8f4c2a84c0ec8c021b3a569ae5b2d14ed86f542a8c17
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Loads dropped DLL 4 IoCs
  • Enumerates connected drives 3 TTPs 46 IoCs

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

  • Drops file in System32 directory 4 IoCs
  • Drops file in Windows directory 14 IoCs
  • Event Triggered Execution: Installer Packages 2 TTPs 1 IoCs
  • 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.

  • Checks SCSI registry key(s) 3 TTPs 5 IoCs

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

  • Modifies Internet Explorer settings 1 TTPs 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 2 IoCs
  • Uses Volume Shadow Copy service COM API

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

Processes

  • C:\Windows\system32\msiexec.exe
    msiexec.exe /I C:\Users\Admin\AppData\Local\Temp\Luxembourg-Swiss-French\aqlu_amd64.msi
    1⤵
    • Enumerates connected drives
    • Drops file in System32 directory
    • Event Triggered Execution: Installer Packages
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SetWindowsHookEx
    PID:2564
  • C:\Windows\system32\msiexec.exe
    C:\Windows\system32\msiexec.exe /V
    1⤵
    • Enumerates connected drives
    • Drops file in System32 directory
    • Drops file in Windows directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:3184
    • C:\Windows\system32\srtasks.exe
      C:\Windows\system32\srtasks.exe ExecuteScopeRestorePoint /WaitForRestorePoint:2
      2⤵
        PID:2668
      • C:\Windows\syswow64\MsiExec.exe
        C:\Windows\syswow64\MsiExec.exe -Embedding DD364A2246B4DBBEBCA51E559ACFE049
        2⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        • Modifies Internet Explorer settings
        • Suspicious use of SetWindowsHookEx
        PID:3808
    • C:\Windows\system32\vssvc.exe
      C:\Windows\system32\vssvc.exe
      1⤵
      • Checks SCSI registry key(s)
      • Suspicious use of AdjustPrivilegeToken
      PID:4312

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

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          Downloads

          e5ac083.rbs

          • Path C:\Config.Msi\e5ac083.rbs
          • Size 10KB
          • SHA256 f07346ff641eb0e162d212edee50e44a39eadec0886921f66662892de5c3305a
          • MD5 SHA1 SHA512 SSDEEP TLSH

          MSIC8E0.tmp

          • Path C:\Windows\Installer\MSIC8E0.tmp
          • Size 54KB
          • SHA256 a99b13b3d61026bec3f47e6a79cb0b301fe52db7320faa3a9c36d62a50061916
          • MD5 SHA1 SHA512 SSDEEP TLSH

          e5ac082.msi

          • Path C:\Windows\Installer\e5ac082.msi
          • Size 128KB
          • SHA256 329aaab9293d0a5cbb8e8f4c2a84c0ec8c021b3a569ae5b2d14ed86f542a8c17
          • MD5 SHA1 SHA512 SSDEEP TLSH

          aqlu.dll

          • Path C:\Windows\SysWOW64\aqlu.dll
          • Size 7KB
          • SHA256 258af58643817c39ecbf804b36396cc35302d50390f18627c97f1afd3d2df484
          • MD5 SHA1 SHA512 SSDEEP TLSH

          aqlu.dll

          • Path C:\Windows\system32\aqlu.dll
          • Size 7KB
          • SHA256 de2970c5119038a5bb6eca0bce2a5f58b8772cfc29d0d464882edcd100e41d9f
          • MD5 SHA1 SHA512 SSDEEP TLSH

          metadata-2

          • Path \??\GLOBALROOT\Device\HarddiskVolumeShadowCopy2\System Volume Information\SPP\metadata-2
          • Size 26.1MB
          • SHA256 eb2f8b9a55116e151ecf91859748b706b6b73201b569c6887ee233bd71d811cf
          • MD5 SHA1 SHA512 SSDEEP TLSH

          {7071729c-f2ef-4cb3-abe0-7dc7123967a3}_OnDiskSnapshotProp

          • Path \??\Volume{e42a0d43-0000-0000-0000-d08302000000}\System Volume Information\SPP\OnlineMetadataCache\{7071729c-f2ef-4cb3-abe0-7dc7123967a3}_OnDiskSnapshotProp
          • Size 6KB
          • SHA256 324a56d5fb53d6c997906afa2b85c1bb4f996b6bbc02beb7e78d70ac0c6d1ff1
          • MD5 SHA1 SHA512 SSDEEP TLSH