Emotet Office (OLE) / .DOC malware analysis — malicious · d8366acf56e7c1a9

MALICIOUS

Office (OLE) / .DOC

157.6 KB Created: 2020-10-19 22:56:00 Authoring application: Microsoft Office Word

MD5: 9aa6b3fdc56dba7c8a0bde170ddf44e3 SHA-1: 2bf0e2319e2e95b069c6fea7f8e26fa23c498ed4 SHA-256: d8366acf56e7c1a9c177ee3d9e0b09ddac3cce976d414c7c86179cc9f0fdd404

240 Risk Score

Malware Insights

Emotet · confidence 95%

MITRE ATT&CK

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

The critical ClamAV detection and high-severity heuristics for OLE_VBA_MACROS, OLE_VBA_DOCOPEN, OLE_VBA_CREATEOBJ, and OLE_VBA_PCODE_AUTOEXEC_EXEC strongly indicate a malicious macro downloader. The presence of a Document_Open macro that uses CreateObject is a common pattern for Emotet. The obfuscated document body text, while unreadable, does not detract from the clear malicious indicators. No scripts were explicitly extracted, but the VBA macro firings are sufficient to infer the attack pattern.

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` `defd5bb76a4b1464f2d447089b39b413d478ea68783298d2f659d17282026978`	vba-macro	oletools.olevba.extract_macros (decoded VBA source)	15603 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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