Emotet Office (OLE) / .DOC malware analysis — malicious · 9fa9aa78d62bfbc0

MALICIOUS

Office (OLE) / .DOC

138.7 KB Created: 2020-09-28 21:18:00 Authoring application: Microsoft Office Word

MD5: 805683ff6f60e877ef66e79a7563e437 SHA-1: 65e2af09e15498a1017e856905f96ebe8cf8763b SHA-256: 9fa9aa78d62bfbc0d93c991348275e3ab044449642accb0ea6aaf0f38f0b40be

240 Risk Score

Malware Insights

Emotet · confidence 95%

MITRE ATT&CK

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

The file is a malicious OLE document containing VBA macros, specifically triggering a Document_Open macro that uses CreateObject. This is a common pattern for Emotet, which often uses macro-enabled documents to download and execute further stages. The ClamAV detection explicitly names Emotet. No document body text was available for analysis, but the macro execution is sufficient to infer malicious intent.

Heuristics 7

ClamAV: Doc.Malware.Emotet-9769000-0 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Doc.Malware.Emotet-9769000-0
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` `af1832d1f4c91fc85d2c99e2822b1b7480a5e715a732a96dc374f162b3694b82`	vba-macro	oletools.olevba.extract_macros (decoded VBA source)	6632 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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