Emotet Office (OLE) / .DOCX malware analysis — malicious · 2cf3d4913e94c3a5

MALICIOUS

Office (OLE) / .DOCX

220.0 KB Created: 2020-10-28 06:34:00 Authoring application: Microsoft Office Word

MD5: d9f7a970a9ddbacfaaf941b17d55e6fe SHA-1: 10fcd2ed09345f95e8e1cb46c05dd84ffe651223 SHA-256: 2cf3d4913e94c3a564e5c9e16a395ed68e8d693a91818fbe5f2fed1a86ce6b0f

240 Risk Score

Malware Insights

Emotet · confidence 95%

MITRE ATT&CK

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

The file contains VBA macros, specifically a Document_Open macro that is auto-executed. Heuristics indicate the use of CreateObject and p-code execution, consistent with Emotet's typical behavior of downloading and executing further stages. The ClamAV detection explicitly names Emotet. The document body content is unreadable garbage, suggesting it's either obfuscated or not the primary lure.

Heuristics 7

ClamAV: Doc.Malware.Emotet-9784450-1 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Doc.Malware.Emotet-9784450-1
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` `5c8508b4422f9cf9f0517311e463bebb8a10b40538c4b01e1d12399253dacfe3`	vba-macro	oletools.olevba.extract_macros (decoded VBA source)	16608 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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