Emotet Office (OLE) / .DOC malware analysis — malicious · 8c9ac44890b02ffb

MALICIOUS

Office (OLE) / .DOC

260.8 KB

MD5: 4005ae0f3cb52ed5c70b741deaf39707 SHA-1: 0b5d41665ac97ae7cbbe7129ecbf48c2ad17af2a SHA-256: 8c9ac44890b02ffbaea952b81add0bbbc5d847772b7d872371aeda70bc170f50

240 Risk Score

Malware Insights

Emotet · confidence 95%

MITRE ATT&CK

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

The critical ClamAV detection and high-severity heuristics for VBA macros, including auto-execution via Document_Open and CreateObject calls, strongly indicate a malicious downloader. The presence of VBA macros, specifically an auto-executing Document_Open macro that uses CreateObject, is characteristic of Emotet's delivery mechanism. This script likely downloads and executes 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` `b6798bb5311b4f2b692b304112e80c31df30b22e53307915d8ecb36c818b404c`	vba-macro	oletools.olevba.extract_macros (decoded VBA source)	18585 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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