Emotet Office (OLE) / .DOCX malware analysis — malicious · a5b470ff9c57714c

MALICIOUS

Office (OLE) / .DOCX

151.2 KB Created: 2020-09-22 07:23:00 Authoring application: Microsoft Office Word

MD5: fa89a436f345cfe11e1e6239434cb741 SHA-1: 71a34e951b08685b63944ae0c496a6abd96c93c1 SHA-256: a5b470ff9c57714cfc909449977a9c4e4527eb94ce92a40f45d4f2a51a45a7b4

280 Risk Score

Malware Insights

Emotet · confidence 95%

MITRE ATT&CK

T1059.005 Visual Basic T1204.002 Malicious File

The file contains VBA macros, including a Document_Open auto-exec macro, which is a strong indicator of malicious intent. The ClamAV detection explicitly names this as 'Doc.Downloader.Emotet-9765070-0', confirming its role as a downloader for the Emotet family. The presence of a Document_Open macro that uses CreateObject and GetObject suggests it is designed to download and execute a second-stage payload.

Heuristics 8

ClamAV: Doc.Downloader.Emotet-9765070-0 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Doc.Downloader.Emotet-9765070-0
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` `37ce3f491be0f3d0a753fc5c7339c798cd89a6843cff6094a48ab180ad94ccb1`	vba-macro	oletools.olevba.extract_macros (decoded VBA source)	16563 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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