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

Static analysis result for SHA-256 7c3c090959feaaa4…

MALICIOUS

Office (OOXML) / .DOC

13.3 KB Created: 2020-05-12 12:38:00 UTC Authoring application: Microsoft Office Word 16.0000
MD5: 1318db531e3b4848809773e76e160c33 SHA-1: eec3fcb9042616c6adf166bd76c23de675668674 SHA-256: 7c3c090959feaaa4ce79a3fce729d5fbdbed55ac4000115cfac0a63c527c2b7f
120 Risk Score

Malware Insights

MITRE ATT&CK
T1059.001 PowerShell

The file contains heuristics indicating remote template injection and external relationships, pointing to a malicious template hosted at the provided URL. The ClamAV detection as 'Doc.Downloader.Gamaredon-9966166-1' further supports its malicious nature. The document body, written in Ukrainian, appears to be a service note requesting an increase in mileage limits for a service vehicle, likely a social engineering lure to encourage opening the malicious template.

Heuristics 4

  • ClamAV: Doc.Downloader.Gamaredon-9966166-1 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Doc.Downloader.Gamaredon-9966166-1
  • Remote template injection high OOXML_REMOTE_TEMPLATE
    Document references a remote template URL (http://jaculus.ru/902B3449E3E8/interbase/counteract/neat/luxurious/relate/jJIBWJHI.dot) — 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/settings.xml.rels: http://jaculus.ru/902B3449E3E8/interbase/counteract/neat/luxurious/relate/jJIBWJHI.dot
  • 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://jaculus.ru/902B3449E3E8/interbase/counteract/neat/luxurious/relate/jJIBWJHI.dot
    • http://schemas.microsoft.com/office/word/2010/wordprocessingCanvas
    • http://schemas.microsoft.com/office/drawing/2014/chartex
    • http://schemas.microsoft.com/office/drawing/2015/9/8/chartex
    • http://schemas.openxmlformats.org/markup-compatibility/2006
    • http://schemas.openxmlformats.org/officeDocument/2006/relationships
    • http://schemas.openxmlformats.org/officeDocument/2006/math
    • http://schemas.microsoft.com/office/word/2010/wordprocessingDrawing
    • http://schemas.openxmlformats.org/drawingml/2006/wordprocessingDrawing
    • http://schemas.openxmlformats.org/wordprocessingml/2006/main
    • http://schemas.microsoft.com/office/word/2010/wordml
    • http://schemas.microsoft.com/office/word/2012/wordml
    • http://schemas.microsoft.com/office/word/2015/wordml/symex
    • http://schemas.microsoft.com/office/word/2010/wordprocessingGroup
    • http://schemas.microsoft.com/office/word/2010/wordprocessingInk
    • http://schemas.microsoft.com/office/word/2006/wordml
    • http://schemas.microsoft.com/office/word/2010/wordprocessingShape

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