Analysis

  • max time kernel
    149s
  • max time network
    143s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260911-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260911-enlocale:en-usos:windows10-2004-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 10 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 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
    PID:3732
  • 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 WriteProcessMemory
    PID:5088
    • C:\Windows\system32\srtasks.exe
      C:\Windows\system32\srtasks.exe ExecuteScopeRestorePoint /WaitForRestorePoint:2
      2⤵
        PID:3972
      • C:\Windows\syswow64\MsiExec.exe
        C:\Windows\syswow64\MsiExec.exe -Embedding 5D40EDB8ADC42F8BDAA2F56BB61F3D1F
        2⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        • Modifies Internet Explorer settings
        PID:4276
    • C:\Windows\system32\vssvc.exe
      C:\Windows\system32\vssvc.exe
      1⤵
      • Checks SCSI registry key(s)
      • Suspicious use of AdjustPrivilegeToken
      PID:3648

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

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          Downloads

          e58e03a.rbs

          • Path C:\Config.Msi\e58e03a.rbs
          • Size 10KB
          • SHA256 62b4d04c6ae2f249f869769e6b337bc25f27623a7efc1b951d63fbd1b8e4698a
          • MD5 SHA1 SHA512 SSDEEP TLSH

          MSIE1D1.tmp

          • Path C:\Windows\Installer\MSIE1D1.tmp
          • Size 54KB
          • SHA256 a99b13b3d61026bec3f47e6a79cb0b301fe52db7320faa3a9c36d62a50061916
          • MD5 SHA1 SHA512 SSDEEP TLSH

          e58e039.msi

          • Path C:\Windows\Installer\e58e039.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 24.1MB
          • SHA256 7742ea69508b93eefd8ff26590023343e4e84b316c6f16d8ed8978836b50ea28
          • MD5 SHA1 SHA512 SSDEEP TLSH

          {93fad68f-488f-4ecc-8061-f6bb5245599d}_OnDiskSnapshotProp

          • Path \??\Volume{8860bf69-0000-0000-0000-d01200000000}\System Volume Information\SPP\OnlineMetadataCache\{93fad68f-488f-4ecc-8061-f6bb5245599d}_OnDiskSnapshotProp
          • Size 6KB
          • SHA256 32539c588f8f0894132d65681337f401161435393b01c61482fa93ca6cfc40c1
          • MD5 SHA1 SHA512 SSDEEP TLSH