Emotet Office (OLE) / .DOC malware analysis — malicious · a4c72f0d5e93dff6

MALICIOUS

Office (OLE) / .DOC

144.2 KB Created: 2020-09-25 19:15:00 Authoring application: Microsoft Office Word

MD5: de26972bb293b28eb74ade9cd1c750f8 SHA-1: 32f0665970eee3b2b712a9e13cd86a5701879324 SHA-256: a4c72f0d5e93dff6abe76ec873aecf3c626c1086d23f1316338c4d4a45eb4aee

240 Risk Score

Malware Insights

Emotet · confidence 95%

MITRE ATT&CK

T1059.005 Visual Basic T1566.001 Spearphishing Attachment

The sample contains VBA macros, specifically a Document_Open macro that uses CreateObject, indicating an attempt to execute code upon opening. ClamAV detection confirms this as Doc.Downloader.Emotet-9768415-1. The presence of a Document_Open macro and the Emotet family attribution strongly suggest the document's purpose is to download and execute a second-stage payload. The embedded URL, though benign according to reputation, is often used in conjunction with malicious payloads.

Heuristics 7

ClamAV: Doc.Downloader.Emotet-9768415-1 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Doc.Downloader.Emotet-9768415-1
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` `f7aec5ed0700c38686fed103b8e955ba1df17f289b657d0b562d676e1e8a24d1`	vba-macro	oletools.olevba.extract_macros (decoded VBA source)	16307 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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