Emotet Office (OLE) / .DOC malware analysis — malicious · 3c0ec9a3bf2ff5e4

MALICIOUS

Office (OLE) / .DOC

155.3 KB Created: 2020-10-19 20:10:00 Authoring application: Microsoft Office Word

MD5: e0c269e121727ce09c291c3a5bcaa9d4 SHA-1: 0dce1c0007b16ae65d4b3f92c29790083f907557 SHA-256: 3c0ec9a3bf2ff5e49e04644d134520ea789dfdae8411093b5b9b8f18a5363551

240 Risk Score

Malware Insights

Emotet · confidence 95%

MITRE ATT&CK

T1059.005 Visual Basic T1566.001 Spearphishing Attachment T1027 Obfuscated Files or Information

The file contains VBA macros, specifically a Document_Open auto-execution macro, which is a strong indicator of malicious intent. The ClamAV detection explicitly names this as Emotet, a known downloader family. The obfuscated document body text, while unreadable, likely serves as a lure to encourage macro execution. The primary function of the macro is to download and execute a second-stage payload.

Heuristics 7

ClamAV: Doc.Downloader.Emotet-9780400-0 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Doc.Downloader.Emotet-9780400-0
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` `2d3ce3834af78f24fa31a527ad1e694aefe01bd9c74b26ec94954a5af657ad56`	vba-macro	oletools.olevba.extract_macros (decoded VBA source)	15599 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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