Emotet Office (OLE) / .DOCX malware analysis — malicious · 56fff56cca1be3db

MALICIOUS

Office (OLE) / .DOCX

168.3 KB Created: 2020-10-20 13:16:00 Authoring application: Microsoft Office Word

MD5: 5f8cb7a76d75d84fb8a3716af4a86433 SHA-1: 867a1aca1946b7501f5696c5d993be0644b56ce6 SHA-256: 56fff56cca1be3dba8d3e6f406546adf942c8d03666c23d3d352e524e429e4bf

240 Risk Score

Malware Insights

Emotet · confidence 95%

MITRE ATT&CK

T1059.005 Visual Basic T1566.001 Spearphishing Attachment

The critical ClamAV heuristic identifies this file as Emotet, a known downloader. The presence of a Document_Open VBA macro, combined with CreateObject calls and p-code execution, strongly indicates that the macro is designed to run automatically upon opening the document. This macro likely downloads and executes a second-stage payload, a common Emotet delivery technique. The document body content is heavily obfuscated and does not provide clear user-facing text.

Heuristics 7

ClamAV: Doc.Downloader.Emotet-9780849-0 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Doc.Downloader.Emotet-9780849-0
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` `db983f63a3f14ba21ce878505faeebf248407a72c9ac689ac190379ed7abf96d`	vba-macro	oletools.olevba.extract_macros (decoded VBA source)	17571 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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