Analysis

  • max time kernel
    148s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    04/08/2026, 06:17

General

  • Target
    Proquote.Trader.Integration.Installer.msi
  • Size 1.1MB
  • Sample260804-g1659sec88
  • SHA256 74d8fd676b4fb58d22d5f2f2ee891681c814e0d7b2db72bee009637b3bf84610
  • 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 Windows directory 14 IoCs
  • Event Triggered Execution: Installer Packages 2 TTPs 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 2 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 data under HKEY_USERS 3 IoCs
  • Modifies registry class 64 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of SetWindowsHookEx 4 IoCs
  • Suspicious use of WriteProcessMemory 3 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\Proquote.Trader.Integration.Installer.msi
    1⤵
    • Enumerates connected drives
    • Event Triggered Execution: Installer Packages
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SetWindowsHookEx
    PID:4628
  • C:\Windows\system32\msiexec.exe
    C:\Windows\system32\msiexec.exe /V
    1⤵
    • Enumerates connected drives
    • Drops file in Windows directory
    • Modifies data under HKEY_USERS
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:4548
    • C:\Windows\syswow64\MsiExec.exe
      C:\Windows\syswow64\MsiExec.exe -Embedding 83CB26F78B1434AB03EBEF44BF540382 C
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      PID:2216
    • C:\Windows\system32\srtasks.exe
      C:\Windows\system32\srtasks.exe ExecuteScopeRestorePoint /WaitForRestorePoint:2
      2⤵
        PID:5812
      • C:\Windows\syswow64\MsiExec.exe
        C:\Windows\syswow64\MsiExec.exe -Embedding 4535DBAA2E797E29BB4EE62D390CBBCD
        2⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        • Suspicious use of SetWindowsHookEx
        PID:1252
    • C:\Windows\system32\vssvc.exe
      C:\Windows\system32\vssvc.exe
      1⤵
      • Checks SCSI registry key(s)
      PID:2544

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          e5a064c.rbs

          • Path C:\Config.Msi\e5a064c.rbs
          • Size 21KB
          • SHA256 03d88cfe15158cb95252a4dec6a1b5d9459c85cdabd02dc49b2afcdc3daf7d53
          • MD5 SHA1 SHA512 SSDEEP TLSH

          MSI6298.tmp

          • Path C:\Users\Admin\AppData\Local\Temp\MSI6298.tmp
          • Size 285KB
          • SHA256 f74c97b1a53541b059d3bfafe41a79005ce5065f8210d7de9f1b600dc4e28aa0
          • MD5 SHA1 SHA512 SSDEEP TLSH

          e5a064b.msi

          • Path C:\Windows\Installer\e5a064b.msi
          • Size 1.1MB
          • SHA256 74d8fd676b4fb58d22d5f2f2ee891681c814e0d7b2db72bee009637b3bf84610
          • MD5 SHA1 SHA512 SSDEEP TLSH

          metadata-2

          • Path \??\GLOBALROOT\Device\HarddiskVolumeShadowCopy2\System Volume Information\SPP\metadata-2
          • Size 26.1MB
          • SHA256 72d69c59a664210d27f7d76b4edb84a93025e7295b045d52594b4d64921d008c
          • MD5 SHA1 SHA512 SSDEEP TLSH

          {cd41cc98-4750-4ff2-baf9-ac37bef2c1df}_OnDiskSnapshotProp

          • Path \??\Volume{c61f8367-0000-0000-0000-d08302000000}\System Volume Information\SPP\OnlineMetadataCache\{cd41cc98-4750-4ff2-baf9-ac37bef2c1df}_OnDiskSnapshotProp
          • Size 6KB
          • SHA256 1737e73e6394f887c5750adc163021bdf32ceb4a112471f6dc464feeb31b9300
          • MD5 SHA1 SHA512 SSDEEP TLSH