Emotet Office (OLE) / .DOCX malware analysis — malicious · 7f7cfdf40853bbfe

MALICIOUS

Office (OLE) / .DOCX

205.3 KB Created: 2020-12-22 12:31:00 Authoring application: Microsoft Office Word

MD5: 977b5c8ca06e1c68cd1e0a82478adc01 SHA-1: 7a93b2c6c68bd72a8961d320e01631cd06570c37 SHA-256: 7f7cfdf40853bbfed2268dc75e4981abae04045ef5571e0de2bb61f69578991d

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 directly identifies the file as 'Doc.Downloader.Emotet-10024800-0', indicating a downloader family. The presence of a Document_Open macro, CreateObject calls, and VBA p-code execution strongly suggests that the macro is designed to automatically execute upon opening the document. This macro likely downloads and executes a second-stage payload, a common Emotet delivery technique.

Heuristics 7

ClamAV: Doc.Downloader.Emotet-10024800-0 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Doc.Downloader.Emotet-10024800-0
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` `b223e36ca03f3aef1de34ece9213428b8c399a8d27f7650232938837efe41a69`	vba-macro	oletools.olevba.extract_macros (decoded VBA source)	16333 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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