Analysis

  • max time kernel
    149s
  • 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
    29/07/2026, 02:50

General

  • Target
    Install_28n003.msi
  • Size 6.8MB
  • Sample260729-dbllgsshjf
  • SHA256 6594c9852681cded09d477d96e17b9363f08bd6a0671e92fbc52e300c89cde0c
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Loads dropped DLL 1 IoCs
  • Badlisted process makes network request 8 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 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_28n003.msi
    1⤵
    • Enumerates connected drives
    • Event Triggered Execution: Installer Packages
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SetWindowsHookEx
    PID:2392
  • 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:2864
    • C:\Windows\system32\srtasks.exe
      C:\Windows\system32\srtasks.exe ExecuteScopeRestorePoint /WaitForRestorePoint:2
      2⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:4120
    • C:\Windows\System32\MsiExec.exe
      C:\Windows\System32\MsiExec.exe -Embedding 2D423DA68968CD1C0F2C26CADF7C417D 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:3128
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
    • Checks SCSI registry key(s)
    • Suspicious use of AdjustPrivilegeToken
    PID:1148

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        e59ef68.rbs

        • Path C:\Config.Msi\e59ef68.rbs
        • Size 7KB
        • SHA256 1fb8977c16f44255bb173702edda7f631d841f8187fd16a603c5fff061163cce
        • MD5 SHA1 SHA512 SSDEEP TLSH

        MSIF5A2.tmp

        • Path C:\Windows\Installer\MSIF5A2.tmp
        • Size 6.8MB
        • SHA256 1ab218a9ec2d006758a08ca895b650226b53d12fc4a17bae80a9d39645c00d9d
        • MD5 SHA1 SHA512 SSDEEP TLSH

        e59ef67.msi

        • Path C:\Windows\Installer\e59ef67.msi
        • Size 6.8MB
        • SHA256 6594c9852681cded09d477d96e17b9363f08bd6a0671e92fbc52e300c89cde0c
        • MD5 SHA1 SHA512 SSDEEP TLSH

        metadata-2

        • Path \??\GLOBALROOT\Device\HarddiskVolumeShadowCopy2\System Volume Information\SPP\metadata-2
        • Size 26.1MB
        • SHA256 eb7500b1d2ee60a126c550be55e16a5c05d1c0252bf96d2bdc077229e6e78247
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {93440071-c087-488f-ae0f-4f2850c0072c}_OnDiskSnapshotProp

        • Path \??\Volume{c61fbfff-0000-0000-0000-d08302000000}\System Volume Information\SPP\OnlineMetadataCache\{93440071-c087-488f-ae0f-4f2850c0072c}_OnDiskSnapshotProp
        • Size 6KB
        • SHA256 752aa6e26f4187ebdc0307f62a688bc601e8f02e35cf42e1c429d9d1895ca548
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/3128-14-0x00007FFE0BA90000-0x00007FFE0BA92000-memory.dmp

        memory/3128-15-0x00007FFDE71E0000-0x00007FFDE7824000-memory.dmp

        memory/3128-18-0x00007FFDFA820000-0x00007FFDFA832000-memory.dmp

        memory/3128-47-0x00007FFDFA820000-0x00007FFDFA832000-memory.dmp