Emotet Office (OLE) / .DOCX malware analysis — malicious · d1415e6e33068449

MALICIOUS

Office (OLE) / .DOCX

211.5 KB Created: 2020-12-22 18:13:00 Authoring application: Microsoft Office Word

MD5: 929ff05080604262d4c00be1c7120ec7 SHA-1: 6dd47a71ff0a9790aa13c26d61290e875463ea2d SHA-256: d1415e6e3306844922f5434afb5f364cab14d8a5e6340343aaffdcea7c5058d6

240 Risk Score

Malware Insights

Emotet · confidence 95%

MITRE ATT&CK

T1059.005 Visual Basic T1059.001 PowerShell T1105 Ingress Tool Transfer

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 a VBA macro in the 'macros.bas' file, coupled with the 'OLE_VBA_PCODE_AUTOEXEC_EXEC' firing, suggests the macro is designed to execute code. This execution likely involves downloading a secondary payload, a common characteristic of Emotet. The document body's obfuscated nature further supports a malicious intent.

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` `8962e4bb9060366f196bbaa9086a3c9775784f792d9952a2d2a973cddd73b89c`	vba-macro	oletools.olevba.extract_macros (decoded VBA source)	15531 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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