Office (OLE) / .DOCX malware analysis — malicious · 0b62b154422aa927

MALICIOUS

Office (OLE) / .DOCX

191.0 KB Created: 2020-10-27 23:09:00 Authoring application: Microsoft Office Word

MD5: e383b9044eb4007b95a5417487e936ef SHA-1: 601121e0b94cecf20ee6a3fda52bb36d3efd57bb SHA-256: 0b62b154422aa927a6906a75fdc8edfd4c143365e4b5e4a8ffd58badd6fdb0d4

202 Risk Score

Malware Insights

MITRE ATT&CK

T1059.005 Visual Basic T1566.001 Spearphishing Attachment

The file is a Microsoft Office document containing VBA macros, specifically triggering a Document_Open auto-execution macro. The presence of CreateObject calls and p-code execution indicates the macro attempts to execute arbitrary code. The ClamAV detection as 'Doc.Malware.Emotet-9784450-1' strongly suggests a malicious intent, likely to download and execute a secondary payload, a common tactic for Emotet. The obfuscated VBA code and the embedded URL, although benign, point towards a downloader pattern.

Heuristics 6

ClamAV: Doc.Malware.Emotet-9784450-1 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Doc.Malware.Emotet-9784450-1
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` `32c875cc5445b529213c7b353e717e973bc3b3565cfb6b70a94210d83d471e9e`	vba-macro	oletools.olevba.extract_macros (decoded VBA source)	16135 bytes

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