Emotet Office (OLE) / .DOCX malware analysis — malicious · 45e6aea2390f44e6

MALICIOUS

Office (OLE) / .DOCX

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

MD5: ddd3d4f32b0bf72261944d6bef4af208 SHA-1: a180b825873752b52890cc51254c9902ba5651e0 SHA-256: 45e6aea2390f44e6f216b37b4534d4d8d0841e416aa1ba63d0b194dedac58130

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 OLE_VBA_DOCOPEN, OLE_VBA_CREATEOBJ, and OLE_VBA_PCODE_AUTOEXEC_EXEC indicate that this document contains a malicious VBA macro designed to execute automatically upon opening. The presence of the 'Emotet' family in the ClamAV signature strongly suggests this attribution. The obfuscated PowerShell commands within the document body, although difficult to fully deobfuscate, are characteristic of Emotet's behavior for downloading and executing further stages of malware.

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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