Emotet Office (OLE) / .DOC malware analysis — malicious · a9c8d3bb56d6abf6

MALICIOUS

Office (OLE) / .DOC

188.0 KB Created: 2020-09-16 18:57:00 Authoring application: Microsoft Office Word

MD5: d05e1ee2c8a4e3ba1f65d99c7010943e SHA-1: d955c6087b7ef827afd675144788b423bd223e2b SHA-256: a9c8d3bb56d6abf69a804578bde7b85ae2717ff03d86c79d9f96d313d82552b5

240 Risk Score

Malware Insights

Emotet · confidence 95%

MITRE ATT&CK

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

The sample contains VBA macros, specifically a Document_Open macro that utilizes CreateObject. This is a common pattern for Emotet, which often uses such macros to download and execute additional malicious payloads. The ClamAV detection further supports the Emotet family attribution. The embedded URL was confirmed as benign and is likely part of the document's structure rather than a malicious indicator.

Heuristics 7

ClamAV: Doc.Downloader.Emotet-9762284-0 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Doc.Downloader.Emotet-9762284-0
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` `c8eacd47a01532c076db7a43a0d927f95cb78ca92fb9fc841101993b58287d9b`	vba-macro	oletools.olevba.extract_macros (decoded VBA source)	19132 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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