Emotet Office (OLE) / .DOC malware analysis — malicious · 4d7b7e3f966e9c61

MALICIOUS

Office (OLE) / .DOC

154.7 KB Created: 2020-10-19 20:10:00 Authoring application: Microsoft Office Word

MD5: c00a2358eafa8667206c9ae9123fb811 SHA-1: 77d149262eb50c4031bd41c10909e387f935e55f SHA-256: 4d7b7e3f966e9c61fa57d5d9fca513ffd348f8e0127ae7d177c075110fad122e

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 auto-exec macro, which is a common delivery mechanism for Emotet. The ClamAV detection explicitly names 'Doc.Downloader.Emotet-9780400-0', strongly indicating the Emotet family. The macro's use of CreateObject and p-code execution further supports this. The primary function appears to be downloading and executing a second-stage payload, consistent with Emotet's behavior.

Heuristics 7

ClamAV: Doc.Downloader.Emotet-9780400-0 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Doc.Downloader.Emotet-9780400-0
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` `2d3ce3834af78f24fa31a527ad1e694aefe01bd9c74b26ec94954a5af657ad56`	vba-macro	oletools.olevba.extract_macros (decoded VBA source)	15599 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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