Doc.Downloader.Loda — Office (OOXML) malware analysis

Static analysis result for SHA-256 581a571937a9c673…

MALICIOUS

Office (OOXML)

70.3 KB Created: 2021-08-18 04:06:00 UTC Authoring application: Microsoft Office Word 15.0000
MD5: 130e388e473e3155e6d95d0d8216188a SHA-1: a8ee8198c5cc1a0728ea62f858fe9ecf3149782b SHA-256: 581a571937a9c673c481b5b65a4484a700ed7e384763fae938829355f93ce515
142 Risk Score

Malware Insights

Doc.Downloader.Loda · confidence 95%

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The file is identified as malicious by ClamAV as Doc.Downloader.Loda. Static analysis revealed remote template injection and external relationship heuristics pointing to 'http://iraniansk.com/updating.doc'. This indicates the document is designed to fetch and likely execute a secondary payload from the specified URL, a common tactic for malware distribution.

Heuristics 4

  • 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://iraniansk.com/updating.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://iraniansk.com/updating.doc
  • 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://iraniansk.com/updating.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

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