Emotet Office (OLE) / .DOC malware analysis — malicious · 913c021a90ae2bae

MALICIOUS

Office (OLE) / .DOC

146.1 KB Created: 2020-10-16 06:52:00 Authoring application: Microsoft Office Word

MD5: 8b4bf29d6d073ba9f9afd8804161be59 SHA-1: 631b3cabf2eb57973f089320d59590a09e3fe604 SHA-256: 913c021a90ae2bae5a3e86a9ed9e0350fcaf9a09b73a269097e2ab21dab50d5e

240 Risk Score

Malware Insights

Emotet · confidence 95%

MITRE ATT&CK

T1059.005 Visual Basic T1566.001 Spearphishing Attachment T1059.001 PowerShell

The file contains VBA macros, specifically a Document_Open macro that uses CreateObject, indicating an auto-execution attempt. ClamAV detection explicitly names this as Emotet. The macro's purpose is to execute arbitrary code, typical for Emotet's downloader functionality. No specific URLs or further script details were extracted, but the heuristic firings strongly suggest Emotet's characteristic behavior.

Heuristics 7

ClamAV: Doc.Trojan.Emotet-9778443-1 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Doc.Trojan.Emotet-9778443-1
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` `54ccb2978dc791799651cc6c51a326cfd57296c98b87fa2adc3d5b7f8b3276d7`	vba-macro	oletools.olevba.extract_macros (decoded VBA source)	15442 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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