Analysis

  • max time kernel
    149s
  • max time network
    137s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260911-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260911-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    02/11/2026, 00:29

General

  • Target
    b48a4a99b619566d.msi
  • Size 2.9MB
  • Sample261102-ataedses21
  • SHA256 b48a4a99b619566ddb7b5ec0edcf36b798eac1eabb94deef70a0546254d478af
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Badlisted process makes network request 4 IoCs

    Network request originating from process or tool commonly abused by malware.

  • Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

    Run Powershell and hide display window.

  • Enumerates connected drives 3 TTPs 46 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Looks up external IP address via web service 1 TTPs 2 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Drops file in Windows directory 8 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.

  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of WriteProcessMemory 3 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\b48a4a99b619566d.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
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3712
    • C:\Windows\system32\srtasks.exe
      C:\Windows\system32\srtasks.exe ExecuteScopeRestorePoint /WaitForRestorePoint:2
      2⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:3732
    • C:\Windows\System32\MsiExec.exe
      C:\Windows\System32\MsiExec.exe -Embedding 8DAAB599DCB287C197C3BE72C8A359C4
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:5072
      • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
        "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -NoProfile -ExecutionPolicy Bypass -WindowStyle Hidden -File "C:\Users\Admin\AppData\Local\Temp\705546.ps1" "C:\Users\Admin\AppData\Local\Temp\b48a4a99b619566d.msi"
        3⤵
        • Badlisted process makes network request
        • Command and Scripting Interpreter: PowerShell
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:2916
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
    • Checks SCSI registry key(s)
    • Suspicious use of AdjustPrivilegeToken
    PID:2920

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        e592542.rbs

        • Path C:\Config.Msi\e592542.rbs
        • Size 8KB
        • SHA256 0ca85af40c5c59a3a35047d92889ffd80490bfe05197ba064cd094d61dc253bc
        • MD5 SHA1 SHA512 SSDEEP TLSH

        705546.ps1

        • Path C:\Users\Admin\AppData\Local\Temp\705546.ps1
        • Size 69KB
        • SHA256 cb75b645be14ad3db55b2860260afb5c993c1ce5d34a2de183b97790a5a9ad9d
        • MD5 SHA1 SHA512 SSDEEP TLSH

        __PSScriptPolicyTest_vjju215l.oys.ps1

        • Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_vjju215l.oys.ps1
        • Size 60B
        • SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
        • MD5 SHA1 SHA512 TLSH

        e592543.msi

        • Path C:\Windows\Installer\e592543.msi
        • Size 2.9MB
        • SHA256 b48a4a99b619566ddb7b5ec0edcf36b798eac1eabb94deef70a0546254d478af
        • MD5 SHA1 SHA512 SSDEEP TLSH

        metadata-2

        • Path \??\GLOBALROOT\Device\HarddiskVolumeShadowCopy2\System Volume Information\SPP\metadata-2
        • Size 24.1MB
        • SHA256 84c8b713758cc880ee34d0b2ed7934aa33aca1dd181e050399537ee413e52eeb
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {4e847b64-088a-4c2d-bf3a-b2650c75237e}_OnDiskSnapshotProp

        • Path \??\Volume{c4d211c3-0000-0000-0000-d01200000000}\System Volume Information\SPP\OnlineMetadataCache\{4e847b64-088a-4c2d-bf3a-b2650c75237e}_OnDiskSnapshotProp
        • Size 6KB
        • SHA256 cf27f8f58e3b0fb6841acdccc80d6ffe53da4c088e8c6c2589e8cce9b57026b8
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/2916-13-0x00000255F40C0000-0x00000255F40E2000-memory.dmp

        memory/2916-17-0x0000000140000000-0x0000000140162000-memory.dmp

        memory/2916-19-0x00000255F4810000-0x00000255F4812000-memory.dmp

        memory/2916-29-0x00000255F4A30000-0x00000255F4AAC000-memory.dmp

        memory/2916-34-0x0000000140000000-0x0000000140162000-memory.dmp

        memory/2916-35-0x00000255F40F0000-0x00000255F430C000-memory.dmp