Emotet Office (OLE) / .DOCX malware analysis — malicious · ef325d7dfb28bfd2

MALICIOUS

Office (OLE) / .DOCX

287.6 KB Created: 2020-10-29 11:27:00 Authoring application: Microsoft Office Word

MD5: e343896e717ab239628464eaa60fc008 SHA-1: dcc047e14cb23855f755c8d7bd4eff0e189ab53c SHA-256: ef325d7dfb28bfd2b7cc344a890502ac41582a49511edbc612392ceee5613bc4

240 Risk Score

Malware Insights

Emotet · confidence 95%

MITRE ATT&CK

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

The critical ClamAV detection and high-severity heuristics for OLE_VBA_DOCOPEN, OLE_VBA_CREATEOBJ, and OLE_VBA_PCODE_AUTOEXEC_EXEC indicate that this document is designed to run a malicious VBA macro upon opening. The presence of a Document_Open macro that uses CreateObject strongly suggests the execution of a second-stage payload. The ClamAV signature specifically names this as a variant of Emotet. No specific URLs or further script details were extracted to provide more granular IOCs beyond the file hash.

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` `898dac0a9fbba39aaf7a14ff7100c80bc81af6e0cb0f2cf6d397c84d46877d50`	vba-macro	oletools.olevba.extract_macros (decoded VBA source)	18710 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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