Emotet Office (OLE) / .DOCX malware analysis — malicious · 35b20290035a4adc

MALICIOUS

Office (OLE) / .DOCX

201.7 KB Created: 2020-09-25 06:51:00 Authoring application: Microsoft Office Word

MD5: 45a6c0ef63cf08b32d6174e0b5734948 SHA-1: 8a1de27b502db7945337e3526f6d93eee60b12a2 SHA-256: 35b20290035a4adc02a158303d41cc5f9f0b3c5342ca320c17d838edea2b7736

240 Risk Score

Malware Insights

Emotet · confidence 95%

MITRE ATT&CK

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

The critical ClamAV detection and high-severity heuristics for VBA auto-execution indicate this document is malicious. The presence of a Document_Open macro and CreateObject calls strongly suggests the execution of embedded VBA code. The DOC BODY content, though heavily obfuscated, appears to be an attempt to construct a PowerShell command, likely for downloading and executing a second-stage payload. The ClamAV signature specifically names Emotet, a known downloader.

Heuristics 7

ClamAV: Doc.Downloader.Emotet-9767804-1 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Doc.Downloader.Emotet-9767804-1
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` `d802c65eb8f9df036cf46e9408744e30c5d95dae54b582b9f65ecb84ecb28fa8`	vba-macro	oletools.olevba.extract_macros (decoded VBA source)	25261 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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