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

Static analysis result for SHA-256 7ba84facdd43f696…

MALICIOUS

Office (OLE) / .DOC

1.17 MB Created: 2022-03-14 03:59:00 Authoring application: Microsoft Office Word First seen: 2022-03-14
MD5: f6e9fb12950bdd33815a4c4fe27ddcee SHA-1: 81b42c6cb91e05e0826139ba2eceaee5d4b2abc2 SHA-256: 7ba84facdd43f6967a073b71e212f5591b5439d4328d7bd2b7871853ccee63a7
162 Risk Score

Malware Insights

MITRE ATT&CK
T1059.005 Visual Basic T1059.001 PowerShell T1204.002 Malicious File

The sample contains a VBA macro that executes automatically upon opening the document. This macro references ShellExecute, indicating an attempt to run external commands or open URLs. The macro's intent appears to be to open a URL, likely for a phishing or malware delivery attempt. While the specific URL is not directly executable in the provided script, the presence of the Document_Open macro and ShellExecute reference strongly suggests malicious intent.

Heuristics 6

  • Reference to ShellExecute API high SC_STR_SHELLEXEC
    Reference to ShellExecute API
  • Document_Open macro high OLE_VBA_DOCOPEN
    Document_Open macro
  • VBA p-code auto-exec with execution tokens high OLE_VBA_PCODE_AUTOEXEC_EXEC
    Compiled VBA/cache stream contains an auto-execution token together with shell/download/object-execution tokens. This catches p-code-only or source-extraction-failure macro documents where visible source is unavailable.
  • VBA macros detected medium OLE_VBA_MACROS
    Document contains VBA macro code
  • Suspicious extracted artifact medium EXTRACTED_FILE_STATIC_TRIAGE
    One or more files extracted from inside this sample matched static suspicious-content checks such as script obfuscation, encoded payload blobs, packed data, or execution/download terms.
  • 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://schemas.openxmlformats.org/drawingml/2006/main
    • http://schemas.openxmlformats.org/officeDocument/2006/bibliography
    • http://schemas.openxmlformats.org/officeDocument/2006/customXml
    • http://schemas.microsoft.com/sharepoint/v3/contenttype/forms
    • http://schemas.openxmlformats.org/officeDocument/2006/cus�
    • http://schemas.microsoft.com/office/2006/metadata/contentType
    • http://schemas.microsoft.com/office/2006/metadata/properties/metaAttributes
    • http://schemas.microsoft.com/office/2006/metadata/properties
    • http://www.w3.org/2001/XMLSchema
    • http://schemas.microsoft.com/office/2006/documentManagement/types
    • http://schemas.microsoft.com/office/infopath/2007/PartnerControls
    • http://schemas.openxmlformats.org/package/2006/metadata/core-properties
    • http://www.w3.org/2001/XMLSchema-instance
    • http://purl.org/dc/elements/1.1/
    • http://purl.org/dc/terms/
    • http://schemas.microsoft.com/internal/obd
    • http://dublincore.org/schemas/xmls/qdc/2003/04/02/dc.xsd
    • http://dublincore.org/schemas/xmls/qdc/2003/04/02/dcterms.xsd

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
macros.bas
87c1260580dc46b2cfbf8fc33b5c30709e4d25784ba6856ad563570dc4d61ebf		 vba-macro oletools.olevba.extract_macros (decoded VBA source) 7820 bytes
Detection
ClamAV: No threats found
Obfuscation or payload: likely
Carved artifact contains 1 shell/COM execution token(s).

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