Emotet Office (OLE) / .DOC malware analysis — malicious · 772f12d54467df45

MALICIOUS

Office (OLE) / .DOC

169.4 KB Created: 2020-09-22 14:25:00 Authoring application: Microsoft Office Word

MD5: ca23a6d141afe21bb5af89aa7d4b3a3c SHA-1: bad94366b2967b37779fa924e5e87c7799f2832b SHA-256: 772f12d54467df454a9d4d8d9586241206b2e6196118ed931476900f00a3beb4

280 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 auto-exec macro, which is a strong indicator of malicious intent. The heuristics indicate the use of CreateObject and GetObject, common functions for downloading and executing additional payloads. The ClamAV detection explicitly names this as 'Doc.Downloader.Emotet-9765450-0', confirming its nature as a downloader and attributing it to the Emotet family. The embedded URL was confirmed benign and is likely a red herring or part of the document's structure.

Heuristics 8

ClamAV: Doc.Downloader.Emotet-9765450-0 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Doc.Downloader.Emotet-9765450-0
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` `f060789cb0d9ea5bf3fe433b865ecd0446c486a304836087ba6a82291f3b5d74`	vba-macro	oletools.olevba.extract_macros (decoded VBA source)	21392 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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