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

Static analysis result for SHA-256 973fd226d5386655…

MALICIOUS

Office (OOXML) / .DOC

10.1 KB Created: 2018-03-07 09:39:00 UTC Authoring application: Microsoft Office Word 12.0000 First seen: 2023-03-28
MD5: 5fbdc2fd7b9fcf00d75d57db95a45780 SHA-1: b2a03e0b531c008057d2c3f4eeedc2b5f3ccaca4 SHA-256: 973fd226d53866557260798be5796c3369f9c7c52215d65bf47e404274eac1f3
142 Risk Score

Malware Insights

MITRE ATT&CK
T1204.002 Malicious File

The file exhibits critical heuristic firings for remote template injection and external relationships, indicating an attempt to load external content. The presence of unknown URLs strongly suggests these are malicious download locations for a second-stage payload. The ClamAV detection as Doc.Downloader.Redline-9972754-0 further supports this assessment.

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://kkkkkkkkkkkkk34kkkkkkkkkkkkkk34kkkkkkkkkkkkkk34kkkkkkkkkkkkkk34kkkkkkkkkkkk34kkkkkkkkkkkkkk34ksdfhdskfhsdkfh33hkh34h3k@3221484439/31.) — 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://kkkkkkkkkkkkk34kkkkkkkkkkkkkk34kkkkkkkkkkkkkk34kkkkkkkkkkkkkk34kkkkkkkkkkkk34kkkkkkkkkkkkkk34ksdfhdskfhsdkfh33hkh
  • 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://kkkkkkkkkkkkk34kkkkkkkkkkkkkk34kkkkkkkkkkkkkk34kkkkkkkkkkkkkk34kkkkkkkkkkkk34kkkkkkkkkkkkkk34ksdfhdskfhsdkfh33hkh34h3k@3221484439/31
    • http://kkkkkkkkkkkkk34kkkkkkkkkkkkkk34kkkkkkkkkkkkkk34kkkkkkkkkkkkkk34kkkkkkkkkkkk34kkkkkkkkkkkkkk34ksdfhdskfhsdkfh33hkh34h3k@3221484439/31....................31.................doc
    • http://kkkkkkkkkkkkk34kkkkkkkkkkkkkk34kkkkkkkkkkkkkk34kkkkkkkkkkkkkk34kkkkkkkkkkkk34kkkkkkkkkkkkkk34ksdfhdskfhsdkfh33hkh
    • 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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