Office (OLE) / .DOC malware analysis — malicious · 3174f15b7fd444ed

MALICIOUS

Office (OLE) / .DOC

176.5 KB Created: 2021-01-22 14:32:00 Authoring application: Microsoft Office Word

MD5: 66921629a2eb19ef72ec487c912ad0dc SHA-1: 6a6d455f32f6d8f9f45cdb25bdade3736579311e SHA-256: 3174f15b7fd444edc71a4e6c8224d7c8e7dacac7fddd2fc0062c6086236ad011

240 Risk Score

Malware Insights

MITRE ATT&CK

T1059.005 Visual Basic T1059.001 PowerShell T1204.002 Malicious File

The file contains VBA macros, specifically a Document_Open auto-exec macro, which is a strong indicator of malicious intent. The macro uses CreateObject, suggesting it attempts to download and execute a second-stage payload. The ClamAV detection further confirms its malicious nature. The embedded URL, while benign according to reputation, is listed as an IOC due to its presence in the document.

Heuristics 7

ClamAV: Doc.Malware.Emodldr-10033991-0 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Doc.Malware.Emodldr-10033991-0
Document_Open macro high OLE_VBA_DOCOPEN

Document_Open macro
CreateObject call high OLE_VBA_CREATEOBJ

CreateObject 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.
Suspicious extracted artifact high EXTRACTED_FILE_STATIC_TRIAGE

One or more files extracted from inside this sample matched static suspicious-content checks such as script obfuscation, encoded payload blobs, packed data, or execution/download terms.
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` `9604f7238d229777467454a284fc513fb3433ac19cd021a8f1f98a0924057a06`	vba-macro	oletools.olevba.extract_macros (decoded VBA source)	16816 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved macro source contains an auto-exec entry point and execution/download terms.

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