Phishery — Office (OOXML) malware analysis

Static analysis result for SHA-256 b145b36e507f7ebd…

MALICIOUS

Office (OOXML)

10.1 KB Created: 2021-07-20 12:23:00 UTC Authoring application: Microsoft Office Word 16.0000
MD5: f80af86ff60e0623d6fa5851ef4e4339 SHA-1: 404991f90bccc10ac59610c4416dfdbe7ffc384b SHA-256: b145b36e507f7ebdbde8d8d8c3193dc6dcf3b99c6bd52b36f353fc2152c558b8
122 Risk Score

Malware Insights

Phishery · confidence 95%

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1204.002 Malicious File

The sample was detected as malicious by ClamAV with the signature Doc.Tool.Phishery-6331699-0, indicating it is likely part of the Phishery toolkit. Heuristics indicate the use of a remote template injection and an external relationship, both pointing to the loading of external content. The primary IOC is the URL associated with the remote template.

Heuristics 4

  • ClamAV: Doc.Tool.Phishery-6331699-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Doc.Tool.Phishery-6331699-0
  • Remote template injection high OOXML_REMOTE_TEMPLATE
    Document references a remote template URL (https://transfer.sh/test.dotm) — 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: https://transfer.sh/test.dotm
  • 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 https://transfer.sh/test.dotm
    • http://schemas.microsoft.com/office/word/2010/wordprocessingCanvas
    • http://schemas.microsoft.com/office/drawing/2014/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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