Analysis

  • max time kernel
    149s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260513-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    31/07/2026, 03:50

General

  • Target
    install_mal005.msi
  • Size 7.5MB
  • Sample260731-eec9ysvzfs
  • SHA256 9deeb40bb2e36ecc3a5bf7c6b89df39d420c608d41052e446b9c02072c310f8a
  • 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 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 32 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_mal005.msi
    1⤵
    • Enumerates connected drives
    • Event Triggered Execution: Installer Packages
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    PID:2872
  • 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:2924
    • C:\Windows\system32\srtasks.exe
      C:\Windows\system32\srtasks.exe ExecuteScopeRestorePoint /WaitForRestorePoint:2
      2⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:116
    • C:\Windows\System32\MsiExec.exe
      C:\Windows\System32\MsiExec.exe -Embedding 7E634C5261445C4D1BFBB5E7F70ED727 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:3976
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
    • Checks SCSI registry key(s)
    • Suspicious use of AdjustPrivilegeToken
    PID:2868

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        e584c18.rbs

        • Path C:\Config.Msi\e584c18.rbs
        • Size 7KB
        • SHA256 93dcd39f220d89cc186eec1eecf0da78b8e53d74f6934c94b15aaaf9b4b1bc1e
        • MD5 SHA1 SHA512 SSDEEP TLSH

        MSI4D8F.tmp

        • Path C:\Windows\Installer\MSI4D8F.tmp
        • Size 7.4MB
        • SHA256 e246f2b495c8455d02afb9b05b8a681188e710cb879eb64436f412725012f260
        • MD5 SHA1 SHA512 SSDEEP TLSH

        e584c17.msi

        • Path C:\Windows\Installer\e584c17.msi
        • Size 7.5MB
        • SHA256 9deeb40bb2e36ecc3a5bf7c6b89df39d420c608d41052e446b9c02072c310f8a
        • MD5 SHA1 SHA512 SSDEEP TLSH

        metadata-2

        • Path \??\GLOBALROOT\Device\HarddiskVolumeShadowCopy2\System Volume Information\SPP\metadata-2
        • Size 24.1MB
        • SHA256 7d3289370e3237d1be375d873c1515a177e932b38064862f7a506552a1cf74ac
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {42e7299c-fc7b-4979-ae95-2d40e786d7f0}_OnDiskSnapshotProp

        • Path \??\Volume{cd0aa2ae-0000-0000-0000-d01200000000}\System Volume Information\SPP\OnlineMetadataCache\{42e7299c-fc7b-4979-ae95-2d40e786d7f0}_OnDiskSnapshotProp
        • Size 6KB
        • SHA256 9c7675c560cf60ef8f9af7375f55be83fd3efda68f46ae15947849ffaf494c03
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/3976-12-0x00007FFE8AD70000-0x00007FFE8AD72000-memory.dmp

        memory/3976-13-0x00007FFE6BF30000-0x00007FFE6C584000-memory.dmp

        memory/3976-16-0x00007FFE7BC00000-0x00007FFE7BC10000-memory.dmp

        memory/3976-46-0x00007FFE7BC00000-0x00007FFE7BC10000-memory.dmp