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

Static analysis result for SHA-256 e424dd19999e1bb4…

MALICIOUS

Office (OOXML) / .DOC

72.0 KB Created: 2022-06-14 17:58:00 UTC Authoring application: Microsoft Office Word 15.0000 First seen: 2022-08-04
MD5: a9cc0ff6b87a42581226fb9929e0c613 SHA-1: de0ac5df5bcf2020f5df4a29fea76b489ad55227 SHA-256: e424dd19999e1bb4639f59a064741de6de39c98e8cda2e6c851ef12d34c8d983
162 Risk Score

Malware Insights

MITRE ATT&CK
T1204.002 Malicious File

The file exhibits characteristics of a downloader, specifically identified by ClamAV as Doc.Downloader.Loda-7570590-0. High-severity heuristics indicate the use of remote template injection and external relationships, pointing to the URL http://192.3.152.171/document/doc_230.doc as the source for a secondary payload. The presence of an embedded OLE object further supports the malicious nature of the document.

Heuristics 5

  • ClamAV: Doc.Downloader.Loda-7570590-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Doc.Downloader.Loda-7570590-0
  • Remote template injection high OOXML_REMOTE_TEMPLATE
    Document references a remote template URL (http://192.3.152.171/document/doc_230.doc) — 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 high OOXML_EXTERNAL_REL
    External target in word/_rels/settings.xml.rels: http://192.3.152.171/document/doc_230.doc
  • Embedded OLE object medium OOXML_OLE_OBJECT
    Document contains an embedded OLE object
  • 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://192.3.152.171/document/doc_230.doc
    • http://schemas.microsoft.com/office/word/2010/wordprocessingCanvas
    • http://schemas.openxmlformats.org/markup-compatibility/2006
    • http://schemas.openxmlformats.org/officeDocument/2006/relationships
    • http://schemas.openxmlformats.org/officeDocument/2006/math
    • http://schemas.microsoft.com/office/word/2010/wordprocessingDrawing
    • http://schemas.openxmlformats.org/drawingml/2006/wordprocessingDrawing
    • http://schemas.openxmlformats.org/wordprocessingml/2006/main
    • http://schemas.microsoft.com/office/word/2010/wordml
    • http://schemas.microsoft.com/office/word/2012/wordml
    • http://schemas.microsoft.com/office/word/2010/wordprocessingGroup
    • http://schemas.microsoft.com/office/word/2010/wordprocessingInk
    • http://schemas.microsoft.com/office/word/2006/wordml
    • http://schemas.microsoft.com/office/word/2010/wordprocessingShape

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
ooxml_oleobject_00.bin
3eb6f3a04c31420c689c02bbf5ebe4b622eb5002998340842a97e70b41bdc37d		 ooxml-ole-object OOXML embedded OLE part: word/embeddings/Microsoft_Excel_Worksheet1.xlsx 31087 bytes
emf_00.emf
553ba4b398e93a053242a685a54fba75c1ad445ab128723bc6e84ef875c4fddd		 ooxml-emf OOXML EMF part: word/media/image1.emf 579088 bytes

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