Redline — Office (OOXML) / .DOC malware analysis

Static analysis result for SHA-256 33dd6fafc72e99fd…

MALICIOUS

Office (OOXML) / .DOC

10.1 KB Created: 2018-03-07 09:39:00 UTC Authoring application: Microsoft Office Word 12.0000 First seen: 2022-10-04
MD5: 87d4fc7bfdbc5302d9c6986670f21b83 SHA-1: a3cd5021fd0987fa1acdb9d3ef996f9930fae76c SHA-256: 33dd6fafc72e99fd3b04543f51557c1fce75ad1af14deee757c561ccce208b75
142 Risk Score

Malware Insights

Redline · confidence 95%

MITRE ATT&CK
T1204.002 Malicious File

The sample exhibits critical ClamAV detection as 'Doc.Downloader.Redline-9972754-0', indicating it functions as a downloader. High severity heuristics for OOXML Remote Template and External Relationship point to the URL http://document_doc@1806450061/uuUASDbjasduhuasduyuASHUDHUSADHUASDU/7jhjjhjhjhhggftftftftftftf.doc as the source for a secondary payload. The document body is minimal and does not provide further context on the lure.

Heuristics 4

  • ClamAV: Doc.Downloader.Redline-9972754-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Doc.Downloader.Redline-9972754-0
  • Remote template injection high OOXML_REMOTE_TEMPLATE
    Document references a remote template URL (http://document_doc@1806450061/uuUASDbjasduhuasduyuASHUDHUSADHUASDU/7jhjjhjhjhhggftftftftftftf.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/webSettings.xml.rels: http://document_doc@1806450061/uuUASDbjasduhuasduyuASHUDHUSADHUASDU/7jhjjhjhjhhggftftftftftftf.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://document_doc@1806450061/uuUASDbjasduhuasduyuASHUDHUSADHUASDU/7jhjjhjhjhhggftftftftftftf.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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