Analysis

  • max time kernel
    148s
  • max time network
    149s
  • 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, 01:38

General

  • Target
    install_mal003.msi
  • Size 5.8MB
  • Sample260731-b2evhsag77
  • SHA256 0bd04c55c22f8d1b9bc8761c5c83d1a05ed7bc619cacdb8989334adb3bfe7cd7
  • 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 8 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:2980
  • 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:4244
    • C:\Windows\system32\srtasks.exe
      C:\Windows\system32\srtasks.exe ExecuteScopeRestorePoint /WaitForRestorePoint:2
      2⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:4220
    • C:\Windows\System32\MsiExec.exe
      C:\Windows\System32\MsiExec.exe -Embedding 19437842F5761596F1608473185834DB 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:6112
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
    • Checks SCSI registry key(s)
    • Suspicious use of AdjustPrivilegeToken
    PID:4568

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        e598370.rbs

        • Path C:\Config.Msi\e598370.rbs
        • Size 7KB
        • SHA256 26a55f0755f675baee4582fc0e7962e2dde92051dcc891eec963b8942e787a21
        • MD5 SHA1 SHA512 SSDEEP TLSH

        MSI8AE2.tmp

        • Path C:\Windows\Installer\MSI8AE2.tmp
        • Size 5.8MB
        • SHA256 d4f0a7d05fd811fd2c9eeadb14696a445dc7b0735471390333aa464420f8f2b6
        • MD5 SHA1 SHA512 SSDEEP TLSH

        e59836f.msi

        • Path C:\Windows\Installer\e59836f.msi
        • Size 5.8MB
        • SHA256 0bd04c55c22f8d1b9bc8761c5c83d1a05ed7bc619cacdb8989334adb3bfe7cd7
        • MD5 SHA1 SHA512 SSDEEP TLSH

        metadata-2

        • Path \??\GLOBALROOT\Device\HarddiskVolumeShadowCopy2\System Volume Information\SPP\metadata-2
        • Size 26.1MB
        • SHA256 bef97047492364269c065e2d0c401e08f35cd7e96e0e09d79feed5c71c88d815
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {04143e7e-64dd-4bf5-b0f7-f8d2480c5a92}_OnDiskSnapshotProp

        • Path \??\Volume{c61f3bad-0000-0000-0000-d08302000000}\System Volume Information\SPP\OnlineMetadataCache\{04143e7e-64dd-4bf5-b0f7-f8d2480c5a92}_OnDiskSnapshotProp
        • Size 6KB
        • SHA256 bba3a0499b7df30c2033f550fb5cfdb10007b8f1cffd0d890e4a8fd7a078c2eb
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/6112-12-0x00007FFC8B390000-0x00007FFC8B392000-memory.dmp

        memory/6112-13-0x00007FFC67810000-0x00007FFC67E39000-memory.dmp

        memory/6112-16-0x00007FFC71720000-0x00007FFC71732000-memory.dmp

        memory/6112-45-0x00007FFC71720000-0x00007FFC71732000-memory.dmp