Office (OLE) / .DOC malware analysis — malicious · ee7e20b588960bc3

MALICIOUS

Office (OLE) / .DOC

239.2 KB Created: 2019-03-15 07:32:00 Authoring application: Microsoft Office Word

MD5: 62737197ae0c80f0d0f1e8abd60e4915 SHA-1: d94f2f832c07851c0bdcada4337d66c5920acc77 SHA-256: ee7e20b588960bc3f7ef742dab49ca1baed73dc2f8a6f4ceaffe5adf80781855

200 Risk Score

Malware Insights

MITRE ATT&CK

T1059.005 Visual Basic T1059.001 PowerShell T1566.001 Spearphishing Attachment

The sample is a malicious DOC file containing a large VBA macro, specifically triggering an AutoOpen event. The GetObject call within the macro, combined with the p-code execution, indicates the macro is designed to execute arbitrary code. This is further supported by the ClamAV detection as Doc.Malware.Droo-6895763-0. The macro likely acts as a downloader or initial execution vector for further malicious activity.

Heuristics 6

ClamAV: Doc.Malware.Droo-6895763-0 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Doc.Malware.Droo-6895763-0
AutoOpen macro high OLE_VBA_AUTOOPEN

AutoOpen macro
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` `58d1773ba6c26fe9bc641e3112fedd94fb4bd5dbbd967718abd23289f30e2749`	vba-macro	oletools.olevba.extract_macros (decoded VBA source)	60956 bytes

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