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

Static analysis result for SHA-256 f0cc9444006100ca…

MALICIOUS

Office (OOXML) / .DOC

175.3 KB Created: 2023-06-11 02:07:00 UTC Authoring application: Microsoft Office Word 12.0000 First seen: 2023-09-28
MD5: 3b21bfa60704c0247706116a99c11b52 SHA-1: ad015c69f3513c31113030f9861c37262eeb5524 SHA-256: f0cc9444006100ca28e00e8a8046d3c1279b1dcc2b3b5354ea2fe29ecff68526
82 Risk Score

Malware Insights

MITRE ATT&CK
T1204.002 Malicious File

The sample exhibits characteristics of a malicious OOXML document, specifically remote template injection and external relationship indicators pointing to the URL https://42url.com/YZIBCd47. This suggests the document is designed to download and execute a secondary payload from this external source. The presence of an embedded OLE object further supports a malicious intent.

Heuristics 4

  • Remote template injection high OOXML_REMOTE_TEMPLATE
    Document references a remote template URL (https://42url.com/YZIBCd47) — 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://42url.com/YZIBCd47
  • 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 https://42url.com/YZIBCd47
    • 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
c52df25578fb50b52c4f1a74b7e7ed86101558050e4ed4bd6fd611abd794c01d		 ooxml-ole-object OOXML embedded OLE part: word/embeddings/Microsoft_Office_Excel_Macro-Enabled_Worksheet1.xlsm 11617 bytes
emf_00.emf
1ab8f5abd845ffd0c61a61bb09bfcf20569b80b4496bccb58c623753cf40485c		 ooxml-emf OOXML EMF part: word/media/image2.emf 4056 bytes

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