Office (OLE) / .DOC malware analysis — malicious · 30937d9ccb591a52

MALICIOUS

Office (OLE) / .DOC

123.5 KB Created: 2020-12-22 20:49:00 Authoring application: Microsoft Office Word

MD5: 77f5af3dd5a4c33573151d2bed7b9acd SHA-1: 27e182bf23a6bdff1745470e9ff7a26c0c6968df SHA-256: 30937d9ccb591a52a874b2ca23bdaa64fe21090ee0c8b0f7d56989da4671930e

140 Risk Score

Malware Insights

MITRE ATT&CK

T1059.005 Visual Basic T1059.001 PowerShell

The sample is a malicious OLE document containing a significant amount of VBA macro code. The presence of an AutoOpen macro and a GetObject call strongly suggests that the macro is designed to execute automatically and likely download or execute a second-stage payload. The document body is heavily obfuscated and contains embedded image data, providing no clear user-facing lure. No external URLs were identified as malicious.

Heuristics 5

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` `6c9bb4aaffbfbe8eab450853f2580ec193de3ac1a4787b7225bc54c26858120a`	vba-macro	oletools.olevba.extract_macros (decoded VBA source)	13237 bytes

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