Emotet Office (OLE) / .DOCX malware analysis — malicious · 3304ef9cd1d55e1d

MALICIOUS

Office (OLE) / .DOCX

189.5 KB Created: 2020-09-18 14:02:00 Authoring application: Microsoft Office Word

MD5: c4db67b94426a86884ba74eb4415af88 SHA-1: 209b9e24ba92814f721c09eeb2fe5ab0b67c7f14 SHA-256: 3304ef9cd1d55e1d892f5a18644273b8e62254f587e24e42428a460305129396

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 OLE_VBA_DOCOPEN, OLE_VBA_CREATEOBJ, and OLE_VBA_PCODE_AUTOEXEC_EXEC strongly indicate a malicious macro downloader. The presence of a Document_Open macro that uses CreateObject to execute code is characteristic of Emotet's delivery mechanism. The embedded URL, though benign, suggests the document's purpose is to lure the user into enabling macros to initiate the download.

Heuristics 7

ClamAV: Doc.Downloader.Emotet-9763588-0 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Doc.Downloader.Emotet-9763588-0
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` `439e57830647c2aa4289de5e25d2759440b9e1601599acc03def2897db1f3da9`	vba-macro	oletools.olevba.extract_macros (decoded VBA source)	20114 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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