Office (OLE) / .DOCX malware analysis — malicious · 61a22d08e168e2bc

MALICIOUS

Office (OLE) / .DOCX

161.7 KB Created: 2020-10-16 18:44:00 Authoring application: Microsoft Office Word

MD5: 150ff23f80355d86d9ce0c641febe43d SHA-1: c1f54a01609e83cb0c8af6191092de657665f9bc SHA-256: 61a22d08e168e2bce5feaf96a0859d60c6bd10b4c9f1a32f302c9e75a4463650

202 Risk Score

Malware Insights

MITRE ATT&CK

T1059.005 Visual Basic T1566.001 Spearphishing Attachment

The sample is a malicious Office document containing VBA macros, specifically a Document_Open macro that uses CreateObject. This indicates an attempt to execute code upon opening the document. The ClamAV detection name 'Doc.Malware.Emotet-9778591-0' suggests a connection to the Emotet family, though further analysis is needed for definitive attribution. The primary function of the VBA script appears to be downloading and executing a secondary payload.

Heuristics 6

ClamAV: Doc.Malware.Emotet-9778591-0 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Doc.Malware.Emotet-9778591-0
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` `fcaa38ed96b1b218739bafc5403c2803ab83f37a0565afb297027068f0a0ee86`	vba-macro	oletools.olevba.extract_macros (decoded VBA source)	15517 bytes

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