Emotet Office (OLE) / .DOC malware analysis — malicious · a5b317a9ade51676

MALICIOUS

Office (OLE) / .DOC

161.7 KB Created: 2020-09-18 04:35:00 Authoring application: Microsoft Office Word

MD5: a05286b2a15a8b5d61343a7e1fe6363b SHA-1: 7d14555802fc22b38037854dbe22588fed91a35a SHA-256: a5b317a9ade51676855eb907c7c27f1b24bba752ac1fac0bd845039ace769cd9

240 Risk Score

Malware Insights

Emotet · confidence 95%

MITRE ATT&CK

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

The file is a malicious OLE document containing VBA macros. The presence of a Document_Open macro and CreateObject calls, combined with the ClamAV detection signature 'Doc.Malware.Emotet-9763318-0', strongly indicates Emotet activity. The macros are designed to execute automatically, a common technique for downloading and executing further stages of the malware. No specific URLs or executable payloads were directly extracted, but the heuristic firings are highly indicative of Emotet's typical delivery mechanism.

Heuristics 7

ClamAV: Doc.Malware.Emotet-9763318-0 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Doc.Malware.Emotet-9763318-0
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` `b0a943f27b229afc0d61565177642c9be098ce97924ee703fbff1ec25a707666`	vba-macro	oletools.olevba.extract_macros (decoded VBA source)	21996 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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