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

Static analysis result for SHA-256 204327a339923b46…

MALICIOUS

Office (OOXML) / .DOC

10.1 KB Created: 2018-03-07 09:39:00 UTC Authoring application: Microsoft Office Word 12.0000 First seen: 2022-10-05
MD5: 49f5dca0159055482bcb7440bcda8fcb SHA-1: ca87c82b8713faa52017f375a9f9a63d9c13fb2f SHA-256: 204327a339923b46b1fece95a1d1b6d0b2e2b5917ad10e65b27fefa6d717ea33
142 Risk Score

Malware Insights

MITRE ATT&CK
T1204.002 Malicious File

The sample exhibits critical heuristic firings for remote template injection and external relationship, both pointing to the malicious URL http://document_docs@1806680503/wwuuUASDbjasduhuasduyuASHUDHUSADHUASDU/jjjhjjhjhjhhggftftftftftftf.doc. This strongly suggests the document is designed to download and execute a secondary payload from this location, consistent with a downloader 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://document_docs@1806680503/wwuuUASDbjasduhuasduyuASHUDHUSADHUASDU/jjjhjjhjhjhhggftftftftftftf.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_docs@1806680503/wwuuUASDbjasduhuasduyuASHUDHUSADHUASDU/jjjhjjhjhjhhggftftftftftftf.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_docs@1806680503/wwuuUASDbjasduhuasduyuASHUDHUSADHUASDU/jjjhjjhjhjhhggftftftftftftf.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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