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

Static analysis result for SHA-256 88410eb4e61b84fe…

MALICIOUS

Office (OOXML) / .DOC

175.3 KB Created: 2023-06-11 02:07:00 UTC Authoring application: Microsoft Office Word 12.0000 First seen: 2023-10-02
MD5: 3c8033913e9981ba10cfd879eff50628 SHA-1: a9c83534e89ef972d2d253134dbfd4a83b88d21b SHA-256: 88410eb4e61b84fec94a16ca8182c7e8241f16cee114c066fe36540d6f63549c
82 Risk Score

Malware Insights

MITRE ATT&CK
T1204 Malicious File T1059 Command and Scripting Interpreter

The OOXML document contains heuristics indicating remote template injection and an external relationship pointing to the URL https://urlsh.us/nZDFk. This suggests the document is designed to fetch and execute content from this external source, likely a malicious payload. 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://urlsh.us/nZDFk) — 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://urlsh.us/nZDFk
  • 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://urlsh.us/nZDFk
    • 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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