Emotet Office (OLE) / .DOCX malware analysis — malicious · a47d28d12a03a488

MALICIOUS

Office (OLE) / .DOCX

148.2 KB Created: 2020-09-28 14:26:00 Authoring application: Microsoft Office Word

MD5: ba26440a7b3694211a045a99a6b6c7cc SHA-1: 78e309676d7f2b7c2862d9e5a6a5d4a12fd02b72 SHA-256: a47d28d12a03a4887afa01514f4f9457a6bcd1da0fbd036f42fe2d314acb006f

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 that utilizes CreateObject to execute p-code. This is a common technique for Emotet to download and execute a second-stage payload. The ClamAV detection ID further supports the Emotet family attribution. The document body content is highly obfuscated and appears to be junk data, providing no contextual clues about the lure.

Heuristics 7

ClamAV: Doc.Malware.Emotet-9768663-0 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Doc.Malware.Emotet-9768663-0
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` `52573b116f951816e527b23fd5cfdfc578caca117ddeb459f950d0953f709442`	vba-macro	oletools.olevba.extract_macros (decoded VBA source)	6643 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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