Emotet Office (OLE) / .DOCX malware analysis — malicious · 9f77870d3740686f

MALICIOUS

Office (OLE) / .DOCX

177.5 KB Created: 2020-09-18 13:57:00 Authoring application: Microsoft Office Word

MD5: d3ab97939112e46a0bda65b5245940c4 SHA-1: 61b08df538bf7624a05d8874d307be291ffbfb59 SHA-256: 9f77870d3740686f81155c4cca802ccb196cdd875714ed8e25d9a920d2d2adb4

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 a VBA macro that is automatically executed upon opening, as indicated by the 'Document_Open' and 'OLE_VBA_PCODE_AUTOEXEC_EXEC' heuristics. The ClamAV detection explicitly names this as 'Doc.Downloader.Emotet-9763587-0', strongly suggesting the Emotet family. The macro's purpose is to create an object and execute code, typical behavior for a downloader that fetches and runs a second-stage payload.

Heuristics 7

ClamAV: Doc.Downloader.Emotet-9763587-0 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Doc.Downloader.Emotet-9763587-0
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` `d480f4e62437f12b4fdbfa09699c3791dd8e97ee1633f946eb76ef39a2f5d3e4`	vba-macro	oletools.olevba.extract_macros (decoded VBA source)	20121 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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