Redline — Office (OOXML) / .DOC malware analysis

Static analysis result for SHA-256 23056b9ff268cb75…

MALICIOUS

Office (OOXML) / .DOC

10.1 KB Created: 2018-03-07 09:39:00 UTC Authoring application: Microsoft Office Word 12.0000 First seen: 2022-08-17
MD5: 9c848a4ef763b3582a71767f02e2c3b4 SHA-1: 23eabc0d3e8f750573e8b4972bd68fa16cdd31ad SHA-256: 23056b9ff268cb75e37f56eb7c79cc567152d82888d650d86b6ed8bc52d9e6dc
122 Risk Score

Malware Insights

Redline · confidence 95%

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

The sample exhibits critical heuristic firings for remote template injection and external relationships, pointing to a malicious OOXML document. The ClamAV detection as 'Doc.Downloader.Redline-9972754-0' strongly suggests the Redline family. The embedded URLs are likely used to fetch and execute a secondary payload, a common tactic for this type of malware.

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://3569418384/_-------------------_---------------_--------_----------_--/dOd__-------_-----dD_------d-----_---D---------O------_------d) — 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/webSettings.xml.rels: http://3569418384/_-------------------_---------------_--------_----------_--/dOd__-------_-----dD_------d-----_---D----
  • 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://3569418384/_-------------------_---------------_--------_----------_--/dOd__-------_-----dD_------d-----_---D---------O------_------d
    • http://3569418384/_-------------------_---------------_--------_----------_--/dOd__-------_-----dD_------d-----_---D---------O------_------d..dothtml
    • http://3569418384/_-------------------_---------------_--------_----------_--/dOd__-------_-----dD_------d-----_---D----
    • 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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