Analysis

  • max time kernel
    150s
  • max time network
    127s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    04/08/2026, 12:14

General

  • Target
    setup_n0c009.msi
  • Size 7.1MB
  • Sample260804-pepyvsah36
  • SHA256 11ef4e5f7f3c507f32d477595ed18e976d7117c1569c12afdf3e976ea393c3be
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 2 IoCs
  • Adds Run key to start application 2 TTPs 1 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 9 IoCs
  • Drops file in Windows directory 13 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • 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 5 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\setup_n0c009.msi
    1⤵
    • Enumerates connected drives
    • Event Triggered Execution: Installer Packages
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SetWindowsHookEx
    PID:3248
  • 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:3940
    • C:\Windows\system32\srtasks.exe
      C:\Windows\system32\srtasks.exe ExecuteScopeRestorePoint /WaitForRestorePoint:2
      2⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:2508
    • C:\Windows\System32\MsiExec.exe
      C:\Windows\System32\MsiExec.exe -Embedding 434BFB6D6B1DEEAA426FC92C4C038F3C 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:5948
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
    • Checks SCSI registry key(s)
    • Suspicious use of AdjustPrivilegeToken
    PID:4372
  • C:\Users\Public\csN5A4\Ksda1Q.exe
    "C:\Users\Public\csN5A4\Ksda1Q.exe"
    1⤵
    • Executes dropped EXE
    • Loads dropped DLL
    • Adds Run key to start application
    • Drops file in System32 directory
    • Suspicious behavior: EnumeratesProcesses
    PID:3580

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        e59afee.rbs

        • Path C:\Config.Msi\e59afee.rbs
        • Size 7KB
        • SHA256 d1e92c69d999a1cebc8206e0e48669927c983ece944d1f9ceac1ee2551d0245a
        • MD5 SHA1 SHA512 SSDEEP TLSH

        Ksda1Q.exe

        • Path C:\Users\Public\csN5A4\Ksda1Q.exe
        • Size 135KB
        • SHA256 676a2a7b94ca2f8ec76352ee656e4d075bb342bd7ad6efbc7c19c060001eace7
        • MD5 SHA1 SHA512 SSDEEP TLSH

        UxEnhance64.dll

        • Path C:\Users\Public\csN5A4\UxEnhance64.dll
        • Size 3.1MB
        • SHA256 219968fede8aeac69be7c28468ecb69717b61bc8f6b7167b80b362f28931b90a
        • MD5 SHA1 SHA512 SSDEEP TLSH

        adoresd.dat

        • Path C:\Users\Public\csN5A4\adoresd.dat
        • Size 4.7MB
        • SHA256 30e474ebfc1df5d0d3a5151c78b35d443cf2c599760620e9fa7fed928545506b
        • MD5 SHA1 SHA512 SSDEEP TLSH

        msadox.tb

        • Path C:\Users\Public\csN5A4\msadox.tb
        • Size 8KB
        • SHA256 c7c82b12d3144a67d13bc53e91965d4bc1c95a1817abc4199e367eae5d8fd716
        • MD5 SHA1 SHA512 SSDEEP TLSH

        MSIB609.tmp

        • Path C:\Windows\Installer\MSIB609.tmp
        • Size 7.0MB
        • SHA256 58ac4e2623e7520961a0523ccc84cdae28580485828c0ad83f77ae2968ec6456
        • MD5 SHA1 SHA512 SSDEEP TLSH

        e59afed.msi

        • Path C:\Windows\Installer\e59afed.msi
        • Size 7.1MB
        • SHA256 11ef4e5f7f3c507f32d477595ed18e976d7117c1569c12afdf3e976ea393c3be
        • MD5 SHA1 SHA512 SSDEEP TLSH

        metadata-2

        • Path \??\GLOBALROOT\Device\HarddiskVolumeShadowCopy2\System Volume Information\SPP\metadata-2
        • Size 26.1MB
        • SHA256 332fdb25031ba6bf7b47ca676af2e296cf68e3500467f86fd8c3733baed25f0a
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {f600e4c0-bfd6-465f-9991-0fd03f396a29}_OnDiskSnapshotProp

        • Path \??\Volume{cb1876cb-0000-0000-0000-d08302000000}\System Volume Information\SPP\OnlineMetadataCache\{f600e4c0-bfd6-465f-9991-0fd03f396a29}_OnDiskSnapshotProp
        • Size 6KB
        • SHA256 f375cba5ccacbb40273392499a46888dbecb7304d6e5d7ea3ed8e5555ef0c1c2
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/3580-59-0x00007FFDECFD0000-0x00007FFDED4EE000-memory.dmp

        memory/3580-73-0x00000209A2980000-0x00000209A3211000-memory.dmp

        memory/3580-58-0x00007FFE10450000-0x00007FFE10452000-memory.dmp

        memory/3580-94-0x00000209A2980000-0x00000209A3211000-memory.dmp

        memory/3580-92-0x00000209A2980000-0x00000209A3211000-memory.dmp

        memory/3580-86-0x00000209A3300000-0x00000209A338A000-memory.dmp

        memory/3580-64-0x00000209A2980000-0x00000209A3211000-memory.dmp

        memory/3580-67-0x00000209A2980000-0x00000209A3211000-memory.dmp

        memory/3580-66-0x00007FFE10460000-0x00007FFE10462000-memory.dmp

        memory/3580-71-0x00000209A2980000-0x00000209A3211000-memory.dmp

        memory/3580-72-0x00000209A2980000-0x00000209A3211000-memory.dmp

        memory/3580-87-0x00000209A3300000-0x00000209A338A000-memory.dmp

        memory/3580-74-0x00000209A2980000-0x00000209A3211000-memory.dmp

        memory/3580-78-0x00000209A2980000-0x00000209A3211000-memory.dmp

        memory/3580-85-0x00000209A3300000-0x00000209A338A000-memory.dmp

        memory/3580-84-0x00000209A3220000-0x00000209A326E000-memory.dmp

        memory/3580-88-0x00000209A3300000-0x00000209A338A000-memory.dmp

        memory/5948-44-0x00007FFDF6D50000-0x00007FFDF6D62000-memory.dmp

        memory/5948-12-0x00007FFE10450000-0x00007FFE10452000-memory.dmp

        memory/5948-13-0x00007FFDECEB0000-0x00007FFDED4EB000-memory.dmp

        memory/5948-16-0x00007FFDF6D50000-0x00007FFDF6D62000-memory.dmp