Emotet Office (OLE) / .DOCX malware analysis — malicious · 1e5033e4430a46d9

MALICIOUS

Office (OLE) / .DOCX

151.3 KB Created: 2020-09-29 07:27:00 Authoring application: Microsoft Office Word

MD5: 1c8950b6196d058aff6a22eb2ba85717 SHA-1: bdd8eef8e6b62773f5e34a5fb656de574a98b264 SHA-256: 1e5033e4430a46d974978fc95a1fc00dfb722a2c896db3ce55b1fdfc1c6bcb37

240 Risk Score

Malware Insights

Emotet · confidence 95%

MITRE ATT&CK

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

The file is identified as malicious by ClamAV with the signature Doc.Downloader.Emotet-9769096-0. Static analysis reveals the presence of VBA macros, specifically a Document_Open macro that uses CreateObject, indicating an auto-execution mechanism. This suggests the macro is designed to download and execute a second-stage payload. The embedded URL, though benign according to reputation, is part of the document's structure.

Heuristics 7

ClamAV: Doc.Downloader.Emotet-9769096-0 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Doc.Downloader.Emotet-9769096-0
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` `7fe684c304685628252d7c0111d3e33f34436ae7810b3dde5f2aa07edc7bb621`	vba-macro	oletools.olevba.extract_macros (decoded VBA source)	8166 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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