Office (OLE) / .DOC malware analysis — malicious · fc1f1845e47d4494

MALICIOUS

Office (OLE) / .DOC

160.0 KB Created: 2016-11-21 14:15:00 Authoring application: Microsoft Office Word

MD5: 1d4c5037912d96865c2b830fd8b0693b SHA-1: 2622dd34f11254a821694598e918b4736a01076f SHA-256: fc1f1845e47d4494a02407c524eb0e94b6484045adb783e90406367ae20a83ac

122 Risk Score

Malware Insights

MITRE ATT&CK

T1059.005 Visual Basic

The sample is identified as malicious by ClamAV with the signature 'Doc.Dropper.Agent-1839478'. Static analysis revealed the presence of a VBA macro within the document, specifically a 'Document_Open' macro. The extracted VBA script is heavily obfuscated and truncated, making it difficult to determine its exact functionality. However, the presence of a Document_Open macro and the dropper signature strongly suggest that the script's purpose is to download and execute a second-stage payload.

Heuristics 4

ClamAV: Doc.Dropper.Agent-1839478 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Doc.Dropper.Agent-1839478
Document_Open macro high OLE_VBA_DOCOPEN

Document_Open macro
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://ns.adobe.com/xap/1.0/
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://ns.adobe.com/photoshop/1.0/
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/sType/ResourceEvent#
- http://ns.adobe.com/xap/1.0/sType/ResourceRef#

Extracted artifacts 1

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`macros.bas` `e3e0f414ab2ef067d71e2575f795dbc4cb416d7724c193856e5e6b2622673d34`	vba-macro	oletools.olevba.extract_macros (decoded VBA source)	13265 bytes

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