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

Static analysis result for SHA-256 bf0fb9348736b302…

MALICIOUS

Office (OOXML) / .DOC

328.4 KB Created: 2024-07-15 05:01:00 UTC Authoring application: Microsoft Office Word 12.0000
MD5: 4df8ff3f5542b0223e9f9a4a01a37de4 SHA-1: c63c15b9aceb05fad38a6c527b444ff826985db0 SHA-256: bf0fb9348736b302afeb9167c53d54f437963fe3024acd86673c8175b4ec16cc
82 Risk Score

Malware Insights

MITRE ATT&CK
T1204.002 Malicious File T1559.001 Component Object Model

The document exhibits characteristics of a malicious OOXML file, specifically remote template injection and the presence of an embedded OLE object. The heuristic firings strongly suggest that the URL http://gurl.pro/orb-2l is used to fetch and execute a secondary payload. The embedded OLE object further indicates a mechanism for delivering or executing malicious code.

Heuristics 5

  • Remote template injection high OOXML_REMOTE_TEMPLATE
    Document references a remote template URL (http://gurl.pro/orb-2l) — a common remote-template-injection vector used by Hancitor, Emotet and many phishing campaigns. Word can fetch and apply the remote template; macros in that template may execute depending on Office policy and trust state.
  • External relationship medium OOXML_EXTERNAL_REL
    External target in word/_rels/settings.xml.rels: http://gurl.pro/orb-2l
  • Embedded OLE object medium OOXML_OLE_OBJECT
    Document contains an embedded OLE object
  • Suspicious extracted artifact info 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/markup-compatibility/2006
    • http://schemas.openxmlformats.org/officeDocument/2006/relationships
    • http://schemas.openxmlformats.org/officeDocument/2006/math
    • http://schemas.openxmlformats.org/drawingml/2006/wordprocessingDrawing
    • http://schemas.openxmlformats.org/wordprocessingml/2006/main
    • http://schemas.microsoft.com/office/word/2006/wordml

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
ooxml_oleobject_00.bin
b7763dd62ca8248f99df2a6fd980e9f59cc6e0846d0fb8153f7cf084581b2056		 ooxml-ole-object OOXML embedded OLE part: word/embeddings/oleObject1.bin 139776 bytes
Detection
ClamAV: No threats found
Obfuscation or payload: likely
Carved artifact entropy is 7.71, consistent with packed or encrypted content.
emf_00.emf
ccf24cec0594d4cf3f87df4fc8a87192e2a9dbd965be8ca92e50005ffd83d137		 ooxml-emf OOXML EMF part: word/media/image1.emf 6017240 bytes

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