Emotet Office (OLE) / .DOC malware analysis — malicious · f35b0d463daf855b

MALICIOUS

Office (OLE) / .DOC

128.1 KB Created: 2020-10-14 07:17:00 Authoring application: Microsoft Office Word

MD5: 4145bd2c28b88a089b5154e4a527fbbb SHA-1: 6f93a5377f6587781d7cbfd28742de1aba5b3c26 SHA-256: f35b0d463daf855bf964962bd4d99cc73d642f3fab91bde60450999eafbeec96

240 Risk Score

Malware Insights

Emotet · confidence 95%

MITRE ATT&CK

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

The file contains VBA macros, specifically a Document_Open macro designed for auto-execution. Heuristics indicate the use of CreateObject and p-code auto-execution, strongly suggesting the execution of malicious code. The ClamAV detection explicitly identifies this as an Emotet dropper. The document body is heavily obfuscated and unreadable, but the presence of VBA macros and the Emotet family attribution point to a malicious downloader.

Heuristics 7

ClamAV: Doc.Dropper.Emotet-9777979-0 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Doc.Dropper.Emotet-9777979-0
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` `965146e7315f1a4ecc1a5d2fad03014e17bc883ca167a6078bfa90d897ebefad`	vba-macro	oletools.olevba.extract_macros (decoded VBA source)	9248 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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