Office (OLE) / .DOCX malware analysis — malicious · 0e3e2b366fd6d1d8

MALICIOUS

Office (OLE) / .DOCX

152.8 KB Created: 2020-09-22 12:58:00 Authoring application: Microsoft Office Word

MD5: c6a9861b3a107ec4f6ed25d1d45c38e3 SHA-1: c227c1efc1b48920937c348c96299f1e210e8237 SHA-256: 0e3e2b366fd6d1d8225f1df04d4a0ad7fe396753f20fae73f04b3cd497cd85a4

242 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, including an auto-executing 'Document_Open' macro. This macro utilizes 'CreateObject' and 'GetObject' calls, indicative of malicious activity. The presence of these elements strongly suggests the document is designed to download and execute a secondary payload, aligning with common phishing attack vectors.

Heuristics 7

ClamAV: Doc.Malware.Ewtz-9765445-0 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Doc.Malware.Ewtz-9765445-0
Document_Open macro high OLE_VBA_DOCOPEN

Document_Open macro
CreateObject call high OLE_VBA_CREATEOBJ

CreateObject call
GetObject call high OLE_VBA_GETOBJ

GetObject 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` `3534612e311adddbcf2e093d61bfa43aa100b688e0fa70d64062312eb6cd9cc9`	vba-macro	oletools.olevba.extract_macros (decoded VBA source)	17155 bytes

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