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

Static analysis result for SHA-256 25fe313affe7554f…

MALICIOUS

Office (OOXML) / .DOC

22.9 KB Created: 2020-01-14 07:23:00 UTC Authoring application: Microsoft Office Word 12.0000 First seen: 2022-09-13
MD5: f0fbaaf95875a98345ea7328e18fd348 SHA-1: 3654ccd9b9c3837ec1a7551bbe445d5aa3d8c455 SHA-256: 25fe313affe7554f8b5e269260b222481006498c78b2250d02697a930db12b7d
62 Risk Score

Malware Insights

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

The sample is an OOXML document that utilizes remote template injection, indicated by the heuristic firing OOXML_REMOTE_TEMPLATE. The external relationship points to 'http://karab.hopto.org/kilo.dot', which is likely the source of a secondary payload. The document body contains text related to Ukrainian security reforms, which appears to be a lure to disguise the malicious intent.

Heuristics 3

  • Remote template injection high OOXML_REMOTE_TEMPLATE
    Document references a remote template URL (http://karab.hopto.org/kilo.dot) — 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://karab.hopto.org/kilo.dot
  • 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
    • http://karab.hopto.org/kilo.dot

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