Office (OOXML) / .DOC malware analysis — malicious · 02b8f16f6c30c9f1

MALICIOUS

Office (OOXML) / .DOC

695.9 KB Created: 2023-06-11 02:09:00 UTC Authoring application: Microsoft Office Word 12.0000 First seen: 2023-10-05

MD5: 33a047ae678c28ae1bdcc1c77b22fb29 SHA-1: aa82703b68b870ab8f6990990e0bb4c54f422905 SHA-256: 02b8f16f6c30c9f18c88d3305fc2b97c9b4e55110a782d509fbc5f07793bb7e8

84 Risk Score

Malware Insights

MITRE ATT&CK

T1204.002 Malicious File: User Execution T1559.001 Component Object Model Hijacking

The sample exhibits characteristics of a malicious OOXML document, specifically remote template injection and an embedded OLE object. The presence of an unknown URL, https://i8.ae/VWQBx, suggests it is likely used to download or host a secondary malicious payload. The embedded OLE object further supports the delivery of malicious content.

Heuristics 5

Remote template injection high OOXML_REMOTE_TEMPLATE

Document references a remote template URL (https://i8.ae/VWQBx) — 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: https://i8.ae/VWQBx
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 https://i8.ae/VWQBx
- 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 3

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`ooxml_oleobject_00.bin` `8de65209996ea314f9fc64528f5b11f3c10a147a241723ae67eac0b5522a3cd3`	ooxml-ole-object	OOXML embedded OLE part: word/embeddings/oleObject1.bin	316416 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact entropy is 7.75, consistent with packed or encrypted content.
`ooxml_oleobject_01.bin` `1def977f91a9c6b0be2a9b013d5d882a88020c8ea471d3785ac16638ee094982`	ooxml-ole-object	OOXML embedded OLE part: word/embeddings/oleObject2.bin	5632 bytes
`emf_00.emf` `6abca8334cf34a16da88511242da6a55708966a9fe88cfd3b373d781c45c585f`	ooxml-emf	OOXML EMF part: word/media/image1.emf	1505804 bytes

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