Emotet Office (OLE) / .DOC malware analysis — malicious · d1aee610174cc9ca

MALICIOUS

Office (OLE) / .DOC

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

MD5: 985f976d49cbbb415fb5123b9815bc40 SHA-1: 187238028a28e301c40781cf85c121231bd41085 SHA-256: d1aee610174cc9ca1bf95dc755784bac984d1ffc65e4b71229852e0f9feea399

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 Microsoft Word document containing VBA macros, specifically an auto-executing 'Document_Open' macro that uses 'CreateObject'. This is a common delivery mechanism for Emotet. The ClamAV detection explicitly names 'Doc.Downloader.Emotet-9780400-0'. The obfuscated document body text, while unreadable, suggests a lure to encourage macro execution. The primary IOC is the file's SHA256 hash.

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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