Emotet Office (OLE) / .DOCX malware analysis — malicious · c85e897e957fa44b

MALICIOUS

Office (OLE) / .DOCX

138.8 KB Created: 2020-10-15 20:30:00 Authoring application: Microsoft Office Word

MD5: 9867fe234aec5bc4309a4b553451e236 SHA-1: 791e573c34f7a74061ee571f936314664ce9ef88 SHA-256: c85e897e957fa44b137c35917ea9886343ba4b8d4fbc13668515d382ed874555

240 Risk Score

Malware Insights

Emotet · confidence 95%

MITRE ATT&CK

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

The sample contains a Document_Open VBA macro that automatically executes upon opening. This macro utilizes CreateObject, a common technique for downloading and executing additional payloads. The ClamAV detection explicitly identifies this as Doc.Downloader.Emotet-9778438-0, strongly suggesting the Emotet family. The embedded URL, though benign, is noted as part of the document's structure.

Heuristics 7

ClamAV: Doc.Downloader.Emotet-9778438-0 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Doc.Downloader.Emotet-9778438-0
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` `2effaaf970b5f9de3ee06c41a03bfb4f772066e9848150d426295dbb68f79b6c`	vba-macro	oletools.olevba.extract_macros (decoded VBA source)	12763 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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