Emotet Office (OLE) / .DOC malware analysis — malicious · c5b951c65f67f113

MALICIOUS

Office (OLE) / .DOC

155.2 KB Created: 2020-10-16 19:32:00 Authoring application: Microsoft Office Word

MD5: 6a5cd521f05e1b365c147e72a82d9bb4 SHA-1: d192d4d98e1dd8f40a876683878a67907d00848c SHA-256: c5b951c65f67f1136dedc670dfa0cf0fe59abb9172a0fe5a6011e2882e129e8a

240 Risk Score

Malware Insights

Emotet · confidence 95%

MITRE ATT&CK

T1059.005 Visual Basic T1059.001 PowerShell T1566.001 Spearphishing Attachment T1204.002 Malicious File

The file contains a malicious VBA macro, specifically a Document_Open auto-execution macro, which is a common delivery mechanism for Emotet. The macro uses CreateObject, indicating it's designed to execute arbitrary code. The ClamAV detection explicitly names Emotet, further strengthening the family attribution. The document body content appears to be obfuscated or malformed, but the presence of the macro and the ClamAV signature strongly suggest malicious intent.

Heuristics 7

ClamAV: Doc.Malware.Emotet-9778628-0 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Doc.Malware.Emotet-9778628-0
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` `d7b10db6ad3bff10dd176d31b83ada7ffa72a5d7b1b67bb513aee8ccfc4d5f3f`	vba-macro	oletools.olevba.extract_macros (decoded VBA source)	15292 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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