Emotet Office (OLE) / .DOCX malware analysis — malicious · 4b0b4e602ea1673c

MALICIOUS

Office (OLE) / .DOCX

178.5 KB Created: 2020-10-26 12:50:00 Authoring application: Microsoft Office Word

MD5: 7efa01e6fe93bb5211b1ca8e9849e185 SHA-1: ac6de0512c98174c1ee279c3abcea2b1d14e864f SHA-256: 4b0b4e602ea1673c77a3e90369acffb1c2b3a5359bcd262a75f1155ea55fcd37

240 Risk Score

Malware Insights

Emotet · confidence 95%

MITRE ATT&CK

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

The critical ClamAV heuristic and high-severity VBA heuristics indicate this document contains malicious macros. Specifically, the 'Document_Open' macro and 'CreateObject' calls suggest an attempt to execute code upon opening. The ClamAV detection name 'Doc.Downloader.Emotet-9784039-0' strongly suggests the Emotet family and a downloader functionality. The obfuscated document body text is likely part of the macro's execution or payload delivery mechanism.

Heuristics 7

ClamAV: Doc.Downloader.Emotet-9784039-0 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Doc.Downloader.Emotet-9784039-0
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` `f1dc9112e8c9da061a4c5323ee9b2ea6b91271f7826b740d7f08af4c09fa4698`	vba-macro	oletools.olevba.extract_macros (decoded VBA source)	15863 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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