Analysis

  • max time kernel
    148s
  • max time network
    148s
  • 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, 01:57

General

  • Target
    Install_28n001.msi
  • Size 7.7MB
  • Sample260729-cdd4ratycy
  • SHA256 3eb063914d8dae64d3c783fe8c6baefd4e4d33be6a5eb88e82e6e456e3cf2b17
  • 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 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_28n001.msi
    1⤵
    • Enumerates connected drives
    • Event Triggered Execution: Installer Packages
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SetWindowsHookEx
    PID:2564
  • 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:2944
    • C:\Windows\system32\srtasks.exe
      C:\Windows\system32\srtasks.exe ExecuteScopeRestorePoint /WaitForRestorePoint:2
      2⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:2276
    • C:\Windows\System32\MsiExec.exe
      C:\Windows\System32\MsiExec.exe -Embedding F02CA8404EDF6771B1024DB65A012BF6 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:2420
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
    • Checks SCSI registry key(s)
    • Suspicious use of AdjustPrivilegeToken
    PID:2904

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        e59c441.rbs

        • Path C:\Config.Msi\e59c441.rbs
        • Size 7KB
        • SHA256 0d27e174c9f6f76cd74776b2185e873b7d48f00513eaf2e136a73ab2ea37a2fc
        • MD5 SHA1 SHA512 SSDEEP TLSH

        MSICA8B.tmp

        • Path C:\Windows\Installer\MSICA8B.tmp
        • Size 7.7MB
        • SHA256 8e94f1b2fd82b6e354f845b45782f03202b1decdf3f32b7a6446cae4e7ac1ecc
        • MD5 SHA1 SHA512 SSDEEP TLSH

        e59c440.msi

        • Path C:\Windows\Installer\e59c440.msi
        • Size 7.7MB
        • SHA256 3eb063914d8dae64d3c783fe8c6baefd4e4d33be6a5eb88e82e6e456e3cf2b17
        • MD5 SHA1 SHA512 SSDEEP TLSH

        metadata-2

        • Path \??\GLOBALROOT\Device\HarddiskVolumeShadowCopy2\System Volume Information\SPP\metadata-2
        • Size 26.1MB
        • SHA256 7ffef72c1e7bcbf006426eac583f6fc874b5fd2a3891b44a202c5200b11c199a
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {53173f83-ec46-43eb-a695-d1adb3d7b3d7}_OnDiskSnapshotProp

        • Path \??\Volume{c61fa831-0000-0000-0000-d08302000000}\System Volume Information\SPP\OnlineMetadataCache\{53173f83-ec46-43eb-a695-d1adb3d7b3d7}_OnDiskSnapshotProp
        • Size 6KB
        • SHA256 536c406151ab1ca00ebe2d9baf23a9d9d759f2fca5df3c6d332b23d31f5f472b
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/2420-12-0x00007FFC353D0000-0x00007FFC353D2000-memory.dmp

        memory/2420-13-0x00007FFC11B90000-0x00007FFC121F1000-memory.dmp

        memory/2420-16-0x00007FFC1B200000-0x00007FFC1B212000-memory.dmp

        memory/2420-43-0x00007FFC1B200000-0x00007FFC1B212000-memory.dmp