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

Static analysis result for SHA-256 8bcc4c15ccd12617…

MALICIOUS

Office (OOXML) / .DOC

10.1 KB Created: 2018-03-07 09:39:00 UTC Authoring application: Microsoft Office Word 12.0000
MD5: d9dae0295d6c7d811d34fcc1f85f54d7 SHA-1: 1055e006e712d56bed4863cdab8a98e37e164ba5 SHA-256: 8bcc4c15ccd126170c6612a93366d50829eea3baf7753c3cb16443a8dd9d7907
120 Risk Score

Malware Insights

MITRE ATT&CK
T1204.002 Malicious File

The file is identified as malicious by ClamAV with the signature Doc.Downloader.Redline-9972754-0. Static analysis revealed the use of remote template injection and external relationships pointing to a suspicious IP address. These indicators suggest the document is designed to download and execute a second-stage payload from the identified URLs.

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://107.173.219.80/.---.-.-.-.-.-.--------------------------------------..--....../......................................................) — 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://107.173.219.80/.---.-.-.-.-.-.--------------------------------------..--....../..................................
  • 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://107.173.219.80/.---.-.-.-.-.-.--------------------------------------..--....../
    • http://107.173.219.80/.---.-.-.-.-.-.--------------------------------------..--....../...............................................................................................................dot
    • 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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