Emotet Office (OLE) / .DOCX malware analysis — malicious · d7eba39395732009

MALICIOUS

Office (OLE) / .DOCX

224.5 KB Created: 2020-09-21 04:09:00 Authoring application: Microsoft Office Word

MD5: a418fa51078b87c9bb3e0b2381a3283e SHA-1: 132ff1a6af3b222058c20d672dc3d822467ba4e1 SHA-256: d7eba393957320094938db5221da24c71a0f9d6d29d6e05ec1d2015a6d824a95

280 Risk Score

Malware Insights

Emotet · confidence 95%

MITRE ATT&CK

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

The file is identified as malicious by ClamAV with the signature 'Doc.Dropper.EmotetIOS-9402070-0', strongly suggesting it's an Emotet variant. The presence of a Document_Open macro, CreateObject, and GetObject calls indicates that the VBA code is designed to execute automatically when the document is opened. This macro likely downloads and executes a secondary payload, a common Emotet delivery technique. The document body content is heavily corrupted and unreadable, providing no additional context.

Heuristics 8

ClamAV: Doc.Dropper.EmotetIOS-9402070-0 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Doc.Dropper.EmotetIOS-9402070-0
Document_Open macro high OLE_VBA_DOCOPEN

Document_Open macro
CreateObject call high OLE_VBA_CREATEOBJ

CreateObject call
GetObject call high OLE_VBA_GETOBJ

GetObject 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` `5616715bcc9f37a507701fce0794395b42220e4bc894eb29a7aefa2b3d5ff263`	vba-macro	oletools.olevba.extract_macros (decoded VBA source)	19230 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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