Emotet Office (OLE) / .DOCX malware analysis — malicious · b0e434b1de80d977

MALICIOUS

Office (OLE) / .DOCX

176.4 KB Created: 2020-10-20 20:18:00 Authoring application: Microsoft Office Word

MD5: 82980c8697260f6a1c9fdacb8f56b8c9 SHA-1: 6ea616899eb84db958a9ad944ce314f5f030dc2d SHA-256: b0e434b1de80d97737347fcf4a28a60aad479593c4dde9c9611296cef08185e8

240 Risk Score

Malware Insights

Emotet · confidence 95%

MITRE ATT&CK

T1059.005 Visual Basic T1059.001 PowerShell T1204.002 Malicious File

The file contains VBA macros, specifically a Document_Open macro that utilizes CreateObject, indicating an auto-execution mechanism. ClamAV detection confirms this as Emotet malware. The macro is designed to execute arbitrary code, likely to download and run a second-stage payload. The document body content is heavily obfuscated and unreadable.

Heuristics 7

ClamAV: Doc.Malware.Emotet-9781039-0 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Doc.Malware.Emotet-9781039-0
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` `3a0ea03d0cd0ea456810f4542b81cbd362ee0487bda83ef13f410b115b67e727`	vba-macro	oletools.olevba.extract_macros (decoded VBA source)	18739 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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