Emotet Office (OLE) / .DOCX malware analysis — malicious · 38b035b1b37f64ed

MALICIOUS

Office (OLE) / .DOCX

155.3 KB Created: 2020-10-19 20:10:00 Authoring application: Microsoft Office Word

MD5: 4d3a38dc7c71c47abe1fea02fbb8fd78 SHA-1: 88435e772c38574a971578440adbcc9b24fb14d7 SHA-256: 38b035b1b37f64ed891730cfd77f781c442987e5bbe372cdf43473bffaa58195

240 Risk Score

Malware Insights

Emotet · confidence 95%

MITRE ATT&CK

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

The file contains VBA macros, specifically a Document_Open macro that uses CreateObject, indicating an attempt to execute code upon opening. ClamAV detection confirms this as Emotet, a known downloader. The embedded URL, though benign according to reputation, is part of the macro's execution chain. The obfuscated document body text does not provide further context on the lure, but the presence of VBA auto-execution and the Emotet family strongly suggest a downloader function.

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` `2d3ce3834af78f24fa31a527ad1e694aefe01bd9c74b26ec94954a5af657ad56`	vba-macro	oletools.olevba.extract_macros (decoded VBA source)	15599 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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