Analysis

  • max time kernel
    150s
  • max time network
    157s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    31/07/2026, 03:46

General

  • Target
    install_mal005.msi
  • Size 7.5MB
  • Sample260731-ebptkstcmf
  • SHA256 800c5aa7d80a160e7402fc220cdb9f5fad8a7932543f3e1bb3975201ecdddaba
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Loads dropped DLL 1 IoCs
  • Badlisted process makes network request 8 IoCs

    Network request originating from process or tool commonly abused by malware.

  • 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 6 IoCs
  • Drops file in Windows directory 13 IoCs
  • Event Triggered Execution: Installer Packages 2 TTPs 1 IoCs
  • 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 9 IoCs
  • Modifies registry class 22 IoCs
  • Suspicious behavior: EnumeratesProcesses 38 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\install_mal005.msi
    1⤵
    • Enumerates connected drives
    • Event Triggered Execution: Installer Packages
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SetWindowsHookEx
    PID:4796
  • 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:2776
    • C:\Windows\system32\srtasks.exe
      C:\Windows\system32\srtasks.exe ExecuteScopeRestorePoint /WaitForRestorePoint:2
      2⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:5560
    • C:\Windows\System32\MsiExec.exe
      C:\Windows\System32\MsiExec.exe -Embedding 65DAC92895C1708C04C2011316B76CA0 E Global\MSI0000
      2⤵
      • Loads dropped DLL
      • Badlisted process makes network request
      • Drops file in System32 directory
      • Modifies data under HKEY_USERS
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of SetWindowsHookEx
      PID:4888
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
    • Checks SCSI registry key(s)
    • Suspicious use of AdjustPrivilegeToken
    PID:5612

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        e5a1697.rbs

        • Path C:\Config.Msi\e5a1697.rbs
        • Size 7KB
        • SHA256 9fa172f4b4af801a9ab42db1605bd70595f96a07488326239807fc2bc71477dc
        • MD5 SHA1 SHA512 SSDEEP TLSH

        MSI1D3F.tmp

        • Path C:\Windows\Installer\MSI1D3F.tmp
        • Size 7.4MB
        • SHA256 e246f2b495c8455d02afb9b05b8a681188e710cb879eb64436f412725012f260
        • MD5 SHA1 SHA512 SSDEEP TLSH

        e5a1696.msi

        • Path C:\Windows\Installer\e5a1696.msi
        • Size 7.5MB
        • SHA256 800c5aa7d80a160e7402fc220cdb9f5fad8a7932543f3e1bb3975201ecdddaba
        • MD5 SHA1 SHA512 SSDEEP TLSH

        metadata-2

        • Path \??\GLOBALROOT\Device\HarddiskVolumeShadowCopy2\System Volume Information\SPP\metadata-2
        • Size 26.1MB
        • SHA256 d9204a80044ed2bd134033f74f7a1cb859418db950d3d3d09337de3d38d72e73
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {3b2bf690-fccc-4069-9ec3-6d3efe4c3243}_OnDiskSnapshotProp

        • Path \??\Volume{ca73a981-0000-0000-0000-d08302000000}\System Volume Information\SPP\OnlineMetadataCache\{3b2bf690-fccc-4069-9ec3-6d3efe4c3243}_OnDiskSnapshotProp
        • Size 6KB
        • SHA256 1c54b36709d1bc7c77414152eda825fd06e0a1494e48271e261c4b8d897aef4b
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/4888-12-0x00007FFE06E30000-0x00007FFE06E32000-memory.dmp

        memory/4888-13-0x00007FFDE2560000-0x00007FFDE2BB4000-memory.dmp

        memory/4888-16-0x00007FFDEF4A0000-0x00007FFDEF4B2000-memory.dmp

        memory/4888-41-0x00007FFDEF4A0000-0x00007FFDEF4B2000-memory.dmp