Office (OOXML) malware analysis — malicious · 7a858bbffeae03b4

MALICIOUS

Office (OOXML)

11.6 KB Created: 2017-10-12 08:25:00 UTC Authoring application: Microsoft Office Word 12.0000 First seen: 2021-11-25

MD5: 400feb821df9372ea7da5ddc2fc6150d SHA-1: b9141daa21d1d27eb4659e65a51ad65259678086 SHA-256: 7a858bbffeae03b4e27f48a2ab7f1203200deba72694dc99fe829f6f0beaf193

62 Risk Score

Malware Insights

MITRE ATT&CK

T1203 Exploitation for Client Execution T1566.001 Spearphishing Attachment

The sample contains a critical heuristic firing indicating a malicious DDE command. This command, 'DDEAUTO c:\windows\system32\cmd.exe "/k calc.exe"', is designed to execute the calculator application via cmd.exe, demonstrating exploitation for client execution. This technique is commonly used in spearphishing attachments to achieve initial compromise.

Heuristics 2

Malicious DDE command critical OOXML_DDE_MALICIOUS

DDE field in word/document.xml launches a dangerous executable: \\system32\\cmd.exe
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://schemas.openxmlformats.org/markup-compatibility/2006 In document text (OOXML body / shared strings)
- http://schemas.openxmlformats.org/officeDocument/2006/relationshipsIn document text (OOXML body / shared strings)
- http://schemas.openxmlformats.org/officeDocument/2006/mathIn document text (OOXML body / shared strings)
- http://schemas.openxmlformats.org/drawingml/2006/wordprocessingDrawingIn document text (OOXML body / shared strings)
- http://schemas.openxmlformats.org/wordprocessingml/2006/mainIn document text (OOXML body / shared strings)
- http://schemas.microsoft.com/office/word/2006/wordmlIn document text (OOXML body / shared strings)

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