Analysis

  • max time kernel
    149s
  • max time network
    148s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260513-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    29/07/2026, 01:57

General

  • Target
    Install_28n001.msi
  • Size 7.7MB
  • Sample260729-cde12styc1
  • SHA256 43681ec7a690cba00e5faadbf02078e8c0e0175f047fbe28d56b4fcbb222c181
  • 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 8 IoCs
  • Drops file in Windows directory 9 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 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
    PID:4040
  • 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 WriteProcessMemory
    PID:1788
    • C:\Windows\system32\srtasks.exe
      C:\Windows\system32\srtasks.exe ExecuteScopeRestorePoint /WaitForRestorePoint:2
      2⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:3360
    • C:\Windows\System32\MsiExec.exe
      C:\Windows\System32\MsiExec.exe -Embedding 8CF445E36F01FE22B2D87A9A8240BC64 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
      PID:4088
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
    • Checks SCSI registry key(s)
    • Suspicious use of AdjustPrivilegeToken
    PID:4880

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        e5860d9.rbs

        • Path C:\Config.Msi\e5860d9.rbs
        • Size 7KB
        • SHA256 fda328e418339f2aa0fa44c08391f2ce7efe6acc6de80276de759eb9c38a96f2
        • MD5 SHA1 SHA512 SSDEEP TLSH

        MSI6240.tmp

        • Path C:\Windows\Installer\MSI6240.tmp
        • Size 7.7MB
        • SHA256 8e94f1b2fd82b6e354f845b45782f03202b1decdf3f32b7a6446cae4e7ac1ecc
        • MD5 SHA1 SHA512 SSDEEP TLSH

        e5860d8.msi

        • Path C:\Windows\Installer\e5860d8.msi
        • Size 7.7MB
        • SHA256 43681ec7a690cba00e5faadbf02078e8c0e0175f047fbe28d56b4fcbb222c181
        • MD5 SHA1 SHA512 SSDEEP TLSH

        metadata-2

        • Path \??\GLOBALROOT\Device\HarddiskVolumeShadowCopy2\System Volume Information\SPP\metadata-2
        • Size 24.1MB
        • SHA256 435edd65e28120e615697847b4f6292931b4a9487562d6a1868d4d3aec0c58df
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {5fc6738e-f626-4602-bbc3-85fca3b8b75d}_OnDiskSnapshotProp

        • Path \??\Volume{d78106ee-0000-0000-0000-d01200000000}\System Volume Information\SPP\OnlineMetadataCache\{5fc6738e-f626-4602-bbc3-85fca3b8b75d}_OnDiskSnapshotProp
        • Size 6KB
        • SHA256 2f3712ccd9676271ad043afca6dde1e7ce4badfca3746ea7674e767243cfdcf8
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/4088-12-0x00007FFBA7470000-0x00007FFBA7472000-memory.dmp

        memory/4088-13-0x00007FFB88120000-0x00007FFB88781000-memory.dmp

        memory/4088-16-0x00007FFB97BA0000-0x00007FFB97BB0000-memory.dmp

        memory/4088-45-0x00007FFB97BA0000-0x00007FFB97BB0000-memory.dmp