Office (OLE) / .DOCX malware analysis — malicious · 707f6629191a7ec3

MALICIOUS

Office (OLE) / .DOCX

154.7 KB Created: 2020-09-14 19:47:00 Authoring application: Microsoft Office Word

MD5: 8288b0c84af88e2008fc7287f9af704e SHA-1: a179c9323b4bb7decb83e0f58e3bab4a15df21b0 SHA-256: 707f6629191a7ec3abb69701497c1fee731ae12df25275c4637411358fd6143f

202 Risk Score

Malware Insights

MITRE ATT&CK

T1059.005 Visual Basic T1566.001 Spearphishing Attachment

The sample is a Microsoft Office document containing VBA macros, specifically triggering on the Document_Open event. The 'CREATEOBJ' heuristic indicates the macro attempts to instantiate objects, a common technique for downloading and executing payloads. The ClamAV detection further confirms its malicious nature. No specific family could be identified, but the presence of a Document_Open macro suggests a spearphishing attachment delivery method.

Heuristics 6

ClamAV: Doc.Malware.Generic-9760307-0 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Doc.Malware.Generic-9760307-0
Document_Open macro high OLE_VBA_DOCOPEN

Document_Open macro
CreateObject call high OLE_VBA_CREATEOBJ

CreateObject 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` `0b6180fea2f2eb783f5bda16a3b3f9aadc8aaa21f7b3f16e95bf573cb2bafb66`	vba-macro	oletools.olevba.extract_macros (decoded VBA source)	18514 bytes

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