Analysis

  • max time kernel
    150s
  • max time network
    154s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    28/07/2026, 19:56

General

  • Target
    Install_28n001.msi
  • Size 7.7MB
  • Sample260728-ynzzvsgl4z
  • SHA256 f839a151276358b12cb5f76434abbc59a9f8634ba2f12c25c0f5a84af59aff36
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 2 IoCs
  • Badlisted process makes network request 6 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 10 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 64 IoCs
  • Suspicious behavior: LoadsDriver 4 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 Task Scheduler COM API 1 TTPs

    The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.

  • 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:2496
  • 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:4268
    • C:\Windows\system32\srtasks.exe
      C:\Windows\system32\srtasks.exe ExecuteScopeRestorePoint /WaitForRestorePoint:2
      2⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:6108
    • C:\Windows\System32\MsiExec.exe
      C:\Windows\System32\MsiExec.exe -Embedding 2585E17B7ECAC109E44899CFC1FE503D 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:2728
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
    • Checks SCSI registry key(s)
    • Suspicious use of AdjustPrivilegeToken
    PID:5908
  • C:\Users\Public\Wp6BOp\spvIdb.exe
    "C:\Users\Public\Wp6BOp\spvIdb.exe"
    1⤵
    • Executes dropped EXE
    • Loads dropped DLL
    • Drops file in System32 directory
    • Suspicious behavior: EnumeratesProcesses
    PID:5056

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        e59b07b.rbs

        • Path C:\Config.Msi\e59b07b.rbs
        • Size 7KB
        • SHA256 0b4b091a8d19f2f0b5cf1073ceb38dd6cce5362bfe9491539de2066f8dda6bad
        • MD5 SHA1 SHA512 SSDEEP TLSH

        UxEnhance64.dll

        • Path C:\Users\Public\Wp6BOp\UxEnhance64.dll
        • Size 3.1MB
        • SHA256 8bd7b286c0bc827ed51399e1ccb0cf658bd83b26f3bf4e8f53f52a3e807cfb31
        • MD5 SHA1 SHA512 SSDEEP TLSH

        adoresd.dat

        • Path C:\Users\Public\Wp6BOp\adoresd.dat
        • Size 4.8MB
        • SHA256 1ef902ba56596961c9ba372fd3dd2f0f86f612a8acd889f4b33f3997ac6973d6
        • MD5 SHA1 SHA512 SSDEEP TLSH

        msadox.tb

        • Path C:\Users\Public\Wp6BOp\msadox.tb
        • Size 8KB
        • SHA256 90e0017116d89ce5a0de5fcaf9fcf2a0f87378e7ab6b72c9ec405be3ef5be678
        • MD5 SHA1 SHA512 SSDEEP TLSH

        spvIdb.exe

        • Path C:\Users\Public\Wp6BOp\spvIdb.exe
        • Size 135KB
        • SHA256 676a2a7b94ca2f8ec76352ee656e4d075bb342bd7ad6efbc7c19c060001eace7
        • MD5 SHA1 SHA512 SSDEEP TLSH

        MSIB6E3.tmp

        • Path C:\Windows\Installer\MSIB6E3.tmp
        • Size 7.7MB
        • SHA256 8e94f1b2fd82b6e354f845b45782f03202b1decdf3f32b7a6446cae4e7ac1ecc
        • MD5 SHA1 SHA512 SSDEEP TLSH

        e59b07a.msi

        • Path C:\Windows\Installer\e59b07a.msi
        • Size 7.7MB
        • SHA256 f839a151276358b12cb5f76434abbc59a9f8634ba2f12c25c0f5a84af59aff36
        • MD5 SHA1 SHA512 SSDEEP TLSH

        metadata-2

        • Path \??\GLOBALROOT\Device\HarddiskVolumeShadowCopy2\System Volume Information\SPP\metadata-2
        • Size 26.1MB
        • SHA256 6a7c1acce250f5884b6f27dd9cf0003d955d5dd8a25a84fd2a458268aa35ec58
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {f42134de-fde4-49a9-acb2-70054b1ff805}_OnDiskSnapshotProp

        • Path \??\Volume{c61fa831-0000-0000-0000-d08302000000}\System Volume Information\SPP\OnlineMetadataCache\{f42134de-fde4-49a9-acb2-70054b1ff805}_OnDiskSnapshotProp
        • Size 6KB
        • SHA256 294d3101bbe248ea059c68f38195ca468aee03d649bc3dbd3ff169267633c096
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/2728-12-0x00007FFD83890000-0x00007FFD83892000-memory.dmp

        memory/2728-46-0x00007FFD701A0000-0x00007FFD701B2000-memory.dmp

        memory/2728-16-0x00007FFD701A0000-0x00007FFD701B2000-memory.dmp

        memory/2728-13-0x00007FFD5FB20000-0x00007FFD60181000-memory.dmp

        memory/5056-68-0x00007FFD838A0000-0x00007FFD838A2000-memory.dmp

        memory/5056-75-0x0000016F46220000-0x0000016F46ADE000-memory.dmp

        memory/5056-66-0x0000016F46220000-0x0000016F46ADE000-memory.dmp

        memory/5056-60-0x00007FFD83890000-0x00007FFD83892000-memory.dmp

        memory/5056-69-0x0000016F46220000-0x0000016F46ADE000-memory.dmp

        memory/5056-74-0x0000016F46220000-0x0000016F46ADE000-memory.dmp

        memory/5056-73-0x0000016F46220000-0x0000016F46ADE000-memory.dmp

        memory/5056-61-0x00007FFD5FC70000-0x00007FFD6018E000-memory.dmp

        memory/5056-76-0x0000016F46220000-0x0000016F46ADE000-memory.dmp

        memory/5056-80-0x0000016F46220000-0x0000016F46ADE000-memory.dmp

        memory/5056-86-0x0000016F45700000-0x0000016F4574E000-memory.dmp

        memory/5056-91-0x0000016F46AE0000-0x0000016F46B6A000-memory.dmp

        memory/5056-90-0x0000016F46AE0000-0x0000016F46B6A000-memory.dmp

        memory/5056-89-0x0000016F46AE0000-0x0000016F46B6A000-memory.dmp

        memory/5056-88-0x0000016F46AE0000-0x0000016F46B6A000-memory.dmp

        memory/5056-93-0x0000016F46220000-0x0000016F46ADE000-memory.dmp