Office (OLE) / .DOCX malware analysis — malicious · 6204f39e37c6d400

MALICIOUS

Office (OLE) / .DOCX

175.6 KB Created: 2020-09-28 21:56:00 Authoring application: Microsoft Office Word

MD5: 9f2cf4f6fe4b9a10f150147cfe0a1ff5 SHA-1: e615fdbb8246c362d909c82e9d2e1a409fbe4d77 SHA-256: 6204f39e37c6d400ac0f2645485382c118deedd3e22577637227b3ecb0253399

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. The 'Document_Open' macro is present and uses 'CreateObject', indicating an attempt to execute code. The VBA script is heavily obfuscated but appears to construct and execute a string, likely for downloading a second-stage payload. The presence of the 'Document_Open' macro and the 'CreateObject' call strongly suggest this is a macro-based downloader.

Heuristics 6

ClamAV: Doc.Malware.Generic-9769001-0 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Doc.Malware.Generic-9769001-0
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` `fe19635e7383e285d173bce1f5bbd9867258f7974e3830e10aecb187a337391c`	vba-macro	oletools.olevba.extract_macros (decoded VBA source)	6691 bytes

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