Analysis

  • max time kernel
    148s
  • max time network
    146s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    29/07/2026, 02:54

General

  • Target
    Install_28n002.msi
  • Size 5.7MB
  • Sample260729-deacmashpg
  • SHA256 a8ecb6ece04d69d200a940d1ae32639dfbca6b0726e0e15c2dc8f9b3646b076f
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Loads dropped DLL 1 IoCs
  • Badlisted process makes network request 9 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_28n002.msi
    1⤵
    • Enumerates connected drives
    • Event Triggered Execution: Installer Packages
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SetWindowsHookEx
    PID:2300
  • 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:1100
    • C:\Windows\system32\srtasks.exe
      C:\Windows\system32\srtasks.exe ExecuteScopeRestorePoint /WaitForRestorePoint:2
      2⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:2832
    • C:\Windows\System32\MsiExec.exe
      C:\Windows\System32\MsiExec.exe -Embedding EB46FC90012D414126DCC6FE6372BFAB 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:2564
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
    • Checks SCSI registry key(s)
    • Suspicious use of AdjustPrivilegeToken
    PID:4736

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        e59a7ff.rbs

        • Path C:\Config.Msi\e59a7ff.rbs
        • Size 7KB
        • SHA256 690441d648b925a5e72203480523c4cba2239a9a00d8ca619564983489b6423a
        • MD5 SHA1 SHA512 SSDEEP TLSH

        MSIAEE5.tmp

        • Path C:\Windows\Installer\MSIAEE5.tmp
        • Size 5.7MB
        • SHA256 f2f0cc6f7b1e3334ca03256781a86ab7c7c728a28de49714dde0e915fa4eb146
        • MD5 SHA1 SHA512 SSDEEP TLSH

        e59a7fe.msi

        • Path C:\Windows\Installer\e59a7fe.msi
        • Size 5.7MB
        • SHA256 a8ecb6ece04d69d200a940d1ae32639dfbca6b0726e0e15c2dc8f9b3646b076f
        • MD5 SHA1 SHA512 SSDEEP TLSH

        metadata-2

        • Path \??\GLOBALROOT\Device\HarddiskVolumeShadowCopy2\System Volume Information\SPP\metadata-2
        • Size 26.1MB
        • SHA256 05fd0f500aca61a16b2fc0623e005da4a6d286bf025610c31e898acf546708e1
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {7c2b2570-97d8-4cc6-933a-ea950be7034e}_OnDiskSnapshotProp

        • Path \??\Volume{c61fa831-0000-0000-0000-d08302000000}\System Volume Information\SPP\OnlineMetadataCache\{7c2b2570-97d8-4cc6-933a-ea950be7034e}_OnDiskSnapshotProp
        • Size 6KB
        • SHA256 bb62aea44e649c01646e4c94373af7673e93b2661d834121a74434d646b3b9cd
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/2564-12-0x00007FF885210000-0x00007FF885212000-memory.dmp

        memory/2564-13-0x00007FF861600000-0x00007FF861C52000-memory.dmp

        memory/2564-16-0x00007FF86CC30000-0x00007FF86CC42000-memory.dmp

        memory/2564-44-0x00007FF86CC30000-0x00007FF86CC42000-memory.dmp