Analysis

  • max time kernel
    150s
  • max time network
    155s
  • 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-b2hamstxgs
  • SHA256 3fceba1f01692c1e30a9db98a9e74d889b52d4ddb2336cc81c3d688f6e0d23d1
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Loads dropped DLL 1 IoCs
  • Badlisted process makes network request 7 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 10 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 6 IoCs
  • Suspicious behavior: EnumeratesProcesses 36 IoCs
  • Suspicious use of AdjustPrivilegeToken 51 IoCs
  • Suspicious use of FindShellTrayWindow 1 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:2372
  • C:\Windows\system32\msiexec.exe
    C:\Windows\system32\msiexec.exe /V
    1⤵
    • Enumerates connected drives
    • Drops file in Windows directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:6116
    • C:\Windows\system32\srtasks.exe
      C:\Windows\system32\srtasks.exe ExecuteScopeRestorePoint /WaitForRestorePoint:2
      2⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:1320
    • C:\Windows\System32\MsiExec.exe
      C:\Windows\System32\MsiExec.exe -Embedding 04EA0F0F8891BFDC8B68AA9A1451063C 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:3288
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
    • Checks SCSI registry key(s)
    • Suspicious use of AdjustPrivilegeToken
    PID:2776
  • C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k GPSvcGroup
    1⤵
      PID:920

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

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          Downloads

          MSI5328.tmp

          • Path C:\Windows\Installer\MSI5328.tmp
          • Size 5.8MB
          • SHA256 d4f0a7d05fd811fd2c9eeadb14696a445dc7b0735471390333aa464420f8f2b6
          • MD5 SHA1 SHA512 SSDEEP TLSH

          metadata-2

          • Path \??\GLOBALROOT\Device\HarddiskVolumeShadowCopy2\System Volume Information\SPP\metadata-2
          • Size 26.1MB
          • SHA256 dcd4e887d56632e89a6a49a9b7d98b949892cda1a1d97b617d8f50bbd1e39614
          • MD5 SHA1 SHA512 SSDEEP TLSH

          {37258473-f0fd-4636-bd76-d9b359f12a18}_OnDiskSnapshotProp

          • Path \??\Volume{c576ab2f-0000-0000-0000-d08302000000}\System Volume Information\SPP\OnlineMetadataCache\{37258473-f0fd-4636-bd76-d9b359f12a18}_OnDiskSnapshotProp
          • Size 6KB
          • SHA256 8d3289761252457a81c9819e77d55ecb95e345e049e2f07bad8d39c59be000bc
          • MD5 SHA1 SHA512 SSDEEP TLSH

          memory/3288-12-0x00007FFB52850000-0x00007FFB52852000-memory.dmp

          memory/3288-13-0x00007FFB2ECD0000-0x00007FFB2F2F9000-memory.dmp

          memory/3288-16-0x00007FFB3CB50000-0x00007FFB3CB62000-memory.dmp