Office (OLE) / .DOC malware analysis — suspicious · 72e900957b68806b

SUSPICIOUS

Office (OLE) / .DOC

184.4 KB Created: 2019-12-20 12:41:00 Authoring application: Microsoft Office Word

MD5: 56e7be5afd721552fe9117e93a0c814a SHA-1: 880019b43dc0bc789440dc5b9402f67f873960f3 SHA-256: 72e900957b68806b6a8c9801084df6526911e773ad9dbd2b5c445827c9896e55

40 Risk Score

Malware Insights

MITRE ATT&CK

T1059.005 Visual Basic T1566.001 Spearphishing Attachment T1027 Obfuscated Files or Information

The sample is a Word document containing obfuscated VBA macros. The 'Document_open' macro is present and utilizes a 'GetObject' call, indicating an attempt to execute code. The obfuscated nature of the script and the presence of a macro capable of executing code strongly suggest it is designed to download and run a second-stage payload. No specific family could be identified due to the heavy obfuscation and lack of clear indicators.

Heuristics 6

Document_Open macro high OLE_VBA_DOCOPEN

Document_Open 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
Macro capabilities present but unconfirmed info MACRO_CAPABILITY_UNCORROBORATED

The document's VBA exposes execution capabilities (Shell/WScript/CreateObject/auto-exec) but nothing corroborates malicious intent — no obfuscation, memory-exec primitive, download+exec chain, encoded payload, LOLBin, DDE, AV hit, or suspicious URL. The verdict was capped at 'suspicious' so legitimate macro-heavy business documents are not flagged malicious on capability presence alone.

Extracted artifacts 1

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`macros.bas` `eae12ec0adca4893d56cd720a52715dc074a24e946bcb5d4d9a1f20894a9ea29`	vba-macro	oletools.olevba.extract_macros (decoded VBA source)	7499 bytes

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