Redline — Office (OOXML) / .DOC malware analysis

Static analysis result for SHA-256 cb7cd5cadcf1c8ca…

MALICIOUS

Office (OOXML) / .DOC

10.2 KB Created: 2018-03-07 09:39:00 UTC Authoring application: Microsoft Office Word 12.0000
MD5: 27d59b9e6d5c988fe057ec99e18bccb8 SHA-1: ae8bbf3f50c31242c9e18743fffd135eb6092139 SHA-256: cb7cd5cadcf1c8ca63f38a94534afbe0979a09acacd3d86307a39f739579f2a1
122 Risk Score

Malware Insights

Redline · confidence 95%

MITRE ATT&CK
T1204.002 Malicious File

The file exhibits characteristics of a downloader, specifically identified by ClamAV as Doc.Downloader.Redline-9972754-0. The presence of remote template injection and external relationship heuristics, along with the embedded URL, strongly suggests the document is designed to fetch and execute a secondary payload. The primary IOC is the URL used for this malicious download.

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://212.83.46.205/...-................wizk........................wii.wizz..................----------....wiz/dsfcvbgfhhkjfsdfdsfdsfergdf) — 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://212.83.46.205/...-................wizk........................wii.wizz..................----------....wiz/dsfcvbg
  • 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://212.83.46.205/...-................wizk........................wii.wizz..................----------....wiz/dsfcvbgfhhkjfsdfdsfdsfergdf
    • http://212.83.46.205/...-................wizk........................wii.wizz..................----------....wiz/dsfcvbgfhhkjfsdfdsfdsfergdfgfdgdfgrgerregdfgdfgergbbcxzdfsfsd.wiz
    • http://212.83.46.205/...-................wizk........................wii.wizz..................----------....wiz/dsfcvbg
    • 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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