Office (OOXML) / .DOC malware analysis — malicious · b8756966cf478aa4

MALICIOUS

Office (OOXML) / .DOC

618.8 KB Created: 2021-03-02 00:26:00 UTC Authoring application: Microsoft Office Word 12.0000

MD5: 82b36c510877ca7a59d20415ff939e0e SHA-1: fad4080d60f4ed53c0fcbd0ec3005728cd99a909 SHA-256: b8756966cf478aa401a067f14eefb57f34eea127348973350b14b5b53e3eec4f

62 Risk Score

Malware Insights

MITRE ATT&CK

T1059.005 Visual Basic

The OOXML document contains a VBA project with an AutoOpen macro, indicating that malicious code is intended to execute automatically when the document is opened. No specific family could be identified, and no external URLs or network indicators were extracted from the sample.

Heuristics 4

AutoOpen macro high OLE_VBA_AUTOOPEN

AutoOpen macro
VBA project inside OOXML medium OOXML_VBA

Document contains vbaProject.bin — VBA macros present
Suspicious extracted artifact info EXTRACTED_FILE_STATIC_TRIAGE

One or more files extracted from inside this sample matched static suspicious-content checks such as script obfuscation, encoded payload blobs, packed data, or execution/download terms.
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
- 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

Extracted artifacts 2

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`macros.bas` `a9b5c66963728565076fd56058a56d1bdd0c66e90ed934f57a36d655036e9f66`	vba-macro	oletools.olevba.extract_macros (decoded VBA source from OOXML)	4766 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 1 long base64-like blob(s).
`vbaProject_00.bin` `9f66686b9f2622ea95f106362867a528fabd6934fb1635850654812cd84167fa`	vba-project	OOXML VBA project: word/vbaProject.bin	19456 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 1 long base64-like blob(s).

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