Emotet Office (OLE) / .DOCX malware analysis — malicious · f24ccbb78792f8c2

MALICIOUS

Office (OLE) / .DOCX

189.3 KB Created: 2020-09-29 13:18:00 Authoring application: Microsoft Office Word

MD5: 20b70246609197622e0caf58882e48c5 SHA-1: 405f3552497c0689d347dbc97399e9417986afb1 SHA-256: f24ccbb78792f8c22271d8ca930b6d77b3c843db571b12f11007e1f043ebb8cd

240 Risk Score

Malware Insights

Emotet · confidence 95%

MITRE ATT&CK

T1059.005 Visual Basic T1566.001 Spearphishing Attachment

The critical ClamAV detection and high-severity heuristics for OLE_VBA_DOCOPEN, OLE_VBA_CREATEOBJ, and OLE_VBA_PCODE_AUTOEXEC_EXEC indicate the presence of a malicious VBA macro that executes upon document opening. The macro likely uses CreateObject to perform malicious actions, consistent with Emotet's typical behavior of downloading and executing further payloads. The document body content appears to be obfuscated script fragments.

Heuristics 7

ClamAV: Doc.Malware.Emotet-9769343-0 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Doc.Malware.Emotet-9769343-0
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` `3466a25e0ec8edf0a3d6ff61e66e8183246c716be04ca7cccaa39032367b5dbf`	vba-macro	oletools.olevba.extract_macros (decoded VBA source)	10303 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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