Office (OLE) / .DOC malware analysis — malicious · 243babbf976a9795

MALICIOUS

Office (OLE) / .DOC

139.5 KB Created: 2021-01-25 08:47:00 Authoring application: Microsoft Office Word

MD5: 1c77eae0fed27e0d9ddfa7a6053dbb66 SHA-1: e98ab26935301c3dc68a1ef1443a01d2701e74e0 SHA-256: 243babbf976a9795dcd612daa2d107fda91e46424d8ff98660a1f92f1b4f58de

200 Risk Score

Malware Insights

MITRE ATT&CK

T1059.005 Visual Basic T1566.001 Spearphishing Attachment

The file is a malicious Office document containing VBA macros. The critical ClamAV detection and high-severity heuristics indicate the presence of malware. Specifically, the 'Document_Open' macro and 'GetObject' call suggest an attempt to automatically execute code when the document is opened, likely to download and run a secondary payload. No specific family could be identified, and no IOCs other than the benign URL were extracted.

Heuristics 6

ClamAV: Doc.Malware.Valyria-10034158-0 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Doc.Malware.Valyria-10034158-0
Document_Open macro high OLE_VBA_DOCOPEN

Document_Open macro
GetObject call high OLE_VBA_GETOBJ

GetObject call
VBA p-code auto-exec with execution tokens high OLE_VBA_PCODE_AUTOEXEC_EXEC

Compiled VBA/cache stream contains an auto-execution token together with shell/download/object-execution tokens. This catches p-code-only or source-extraction-failure macro documents where visible source is unavailable.
VBA macros detected medium OLE_VBA_MACROS

Document contains VBA macro code
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/drawingml/2006/main

Extracted artifacts 1

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`macros.bas` `464ee3baa3fefa153b2db059b50fc0b5f7ab283122dc843cd170391807f2939c`	vba-macro	oletools.olevba.extract_macros (decoded VBA source)	8459 bytes

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