Emotet Office (OLE) / .DOCX malware analysis — malicious · 1a6ee7bebb2357d0

MALICIOUS

Office (OLE) / .DOCX

194.3 KB Created: 2020-09-16 06:48:00 Authoring application: Microsoft Office Word

MD5: 400160b4dd2f24929e0011569b1dce78 SHA-1: 2b51e9776b429d97a8fa8fa638f759f9b25b2331 SHA-256: 1a6ee7bebb2357d095b418809d640b0d6f806698e8657de50cd48c93f0e92d74

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_MACROS, OLE_VBA_DOCOPEN, OLE_VBA_CREATEOBJ, and OLE_VBA_PCODE_AUTOEXEC_EXEC strongly indicate malicious VBA code designed to execute automatically upon opening the document. The presence of the 'macros.bas' artifact further supports this. The Emotet family is frequently associated with this type of macro-based execution for downloading additional malware.

Heuristics 7

ClamAV: Doc.Malware.Emotet-9762408-0 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Doc.Malware.Emotet-9762408-0
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` `df4fb732414a2f9f369567b5a31d1b266832fcbd15a8b5f56fa79c20074a71e7`	vba-macro	oletools.olevba.extract_macros (decoded VBA source)	25460 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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