Office (OLE) / .DOC malware analysis — malicious · af60d8dfe30776b2

MALICIOUS

Office (OLE) / .DOC

248.0 KB Created: 2018-02-28 09:48:00 Authoring application: Microsoft Office Word

MD5: 94e1f07a34ad040bd1a00419dc7ba971 SHA-1: 11e2d3e9c43b304885acbb8d0a90ec51693d5778 SHA-256: af60d8dfe30776b24823435b6e160d526ae500ce5583aee1ebbc909721d65120

208 Risk Score

Malware Insights

MITRE ATT&CK

T1059.005 Visual Basic T1059.003 Windows Command Shell T1218.011 Signed Binary Proxy Execution: Rundll32

The file is a malicious OLE document containing VBA macros. Heuristics indicate suspicious invocation of cmd.exe and references to Windows Script Host, along with a CreateObject call, suggesting the execution of embedded code. The ClamAV detection 'Doc.Dropper.Agent-7148665-0' strongly suggests a dropper functionality, likely intended to download and execute a second-stage payload. No specific family could be identified.

Heuristics 7

ClamAV: Doc.Dropper.Agent-7148665-0 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Doc.Dropper.Agent-7148665-0
Suspicious cmd.exe invocation with execution flag high SC_STR_CMD

Suspicious cmd.exe invocation with execution flag
Reference to Windows Script Host high SC_STR_WSCRIPT

Reference to Windows Script Host
CreateObject call high OLE_VBA_CREATEOBJ

CreateObject call
VBA macros detected medium OLE_VBA_MACROS

Document contains VBA macro code
Environ() call (env variable access) low OLE_VBA_ENVIRON

Environ() call (env variable access)
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` `9fd66c627548e8b1e9ed2344ca590439e3a53bbb7a44a55fa7ceb1cb006e964f`	vba-macro	oletools.olevba.extract_macros (decoded VBA source)	6790 bytes

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