Analysis

  • max time kernel
    148s
  • max time network
    116s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    30/07/2026, 23:38

General

  • Target
    install_mal003.msi
  • Size 5.8MB
  • Sample260730-3mp6gsgp7x
  • SHA256 91ca1f94b766bc3d207f174d47c91b61cb59d418489bf59ba4ac98080b44be6f
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Loads dropped DLL 1 IoCs
  • Badlisted process makes network request 4 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_mal003.msi
    1⤵
    • Enumerates connected drives
    • Event Triggered Execution: Installer Packages
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SetWindowsHookEx
    PID:800
  • 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:4304
    • C:\Windows\system32\srtasks.exe
      C:\Windows\system32\srtasks.exe ExecuteScopeRestorePoint /WaitForRestorePoint:2
      2⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:1212
    • C:\Windows\System32\MsiExec.exe
      C:\Windows\System32\MsiExec.exe -Embedding 70B8EE2DCD4E12BF7EEA0B09B00F3E9A 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:1344
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
    • Checks SCSI registry key(s)
    • Suspicious use of AdjustPrivilegeToken
    PID:2232

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        e591af2.rbs

        • Path C:\Config.Msi\e591af2.rbs
        • Size 7KB
        • SHA256 d43417d254c3c4b4170131f0d08658d8851854fcd707ab534855b2eb60f7b499
        • MD5 SHA1 SHA512 SSDEEP TLSH

        MSI214B.tmp

        • Path C:\Windows\Installer\MSI214B.tmp
        • Size 5.8MB
        • SHA256 d4f0a7d05fd811fd2c9eeadb14696a445dc7b0735471390333aa464420f8f2b6
        • MD5 SHA1 SHA512 SSDEEP TLSH

        e591af1.msi

        • Path C:\Windows\Installer\e591af1.msi
        • Size 5.8MB
        • SHA256 91ca1f94b766bc3d207f174d47c91b61cb59d418489bf59ba4ac98080b44be6f
        • MD5 SHA1 SHA512 SSDEEP TLSH

        metadata-2

        • Path \??\GLOBALROOT\Device\HarddiskVolumeShadowCopy2\System Volume Information\SPP\metadata-2
        • Size 26.1MB
        • SHA256 473dbb379b077f5816eddc74bb8f3622c70d27618e368b70af16822bfcc64fa3
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {a4bbd3bc-70a4-42a4-8757-4569e796fc9b}_OnDiskSnapshotProp

        • Path \??\Volume{c61fa831-0000-0000-0000-d08302000000}\System Volume Information\SPP\OnlineMetadataCache\{a4bbd3bc-70a4-42a4-8757-4569e796fc9b}_OnDiskSnapshotProp
        • Size 6KB
        • SHA256 0e1f42cfc9a89a8c49aecf609f03426db9882f581b88908d5ab4689092828f31
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/1344-14-0x00007FFA75BD0000-0x00007FFA761F9000-memory.dmp

        memory/1344-12-0x00007FFA9A110000-0x00007FFA9A112000-memory.dmp

        memory/1344-16-0x00007FFA8A6D0000-0x00007FFA8A6E2000-memory.dmp

        memory/1344-50-0x00007FFA8A6D0000-0x00007FFA8A6E2000-memory.dmp

        memory/4304-17-0x0000020BCBB00000-0x0000020BCC4A4000-memory.dmp