Emotet Office (OLE) / .DOC malware analysis — malicious · 4425de724449dedb

MALICIOUS

Office (OLE) / .DOC

168.6 KB Created: 2021-01-05 06:14:00 Authoring application: Microsoft Office Word

MD5: 8ce4185f17ed35f43462f2f44c1cfc3d SHA-1: 9c6396150dd23a65c36e84af69e15543cedca4d2 SHA-256: 4425de724449dedb3b183a3bfd567f9d3449c2457a1e2fd695019b1b6227e035

240 Risk Score

Malware Insights

Emotet · confidence 95%

MITRE ATT&CK

T1059.005 Visual Basic T1566.001 Spearphishing Attachment T1059.001 PowerShell

The file is identified as malicious by ClamAV with a signature indicating it is a downloader associated with Emotet. Heuristics confirm the presence of VBA macros, specifically a Document_Open auto-execution macro that uses CreateObject, strongly suggesting it's designed to run malicious code. The macro's purpose is to download and execute a second-stage payload.

Heuristics 7

ClamAV: Doc.Downloader.EmotetRed02224-9938637-0 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Doc.Downloader.EmotetRed02224-9938637-0
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` `e6cbaf609dbac192156d45839b7ee0912b890e835217bd9fcd38a1509f7c92fb`	vba-macro	oletools.olevba.extract_macros (decoded VBA source)	10713 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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