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

Static analysis result for SHA-256 e376444e1801cfe1…

MALICIOUS

Office (OOXML) / .DOC

10.8 KB Created: 2023-03-27 22:13:00 UTC Authoring application: Microsoft Office Word 12.0000 First seen: 2023-07-31
MD5: 08e39931bd2555356013a6c96b7ff512 SHA-1: c88276a76349f3a43e5bec7873654f7379c9931d SHA-256: e376444e1801cfe19e05e015ce935e120022d913655e74f43d403ee0820f397f
162 Risk Score

Malware Insights

Doc.Downloader.Loda · confidence 95%

MITRE ATT&CK
T1204.002 Malicious File Execution: User Execution: Malicious File T1059.005 Command and Scripting Interpreter: Visual Basic

The sample uses a remote template injection and external relationship to fetch content from http://79.110.49.136/_errorpages/blinkzx.doc. The document body is a list of parts and quantities, likely a lure to encourage users to enable macros. ClamAV identifies this as Doc.Downloader.Loda, a downloader malware family. The primary IOC is the URL used for the remote template.

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://79.110.49.136/_errorpages/blinkzx.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://79.110.49.136/_errorpages/blinkzx.doc
  • Macro/content-enable lure medium SE_ENABLE_LURE
    Document instructs the user to enable macros or editing — a common technique used by malware droppers to bypass Office macro security settings
  • 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://79.110.49.136/_errorpages/blinkzx.doc
    • 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

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