Emotet Office (OLE) / .DOCX malware analysis — malicious · b853cd46658fd7e0

MALICIOUS

Office (OLE) / .DOCX

171.9 KB Created: 2020-09-22 18:42:00 Authoring application: Microsoft Office Word

MD5: 44a55e3bbdd0f05a17bb8362d60c89fe SHA-1: 0526caf9f2f44acff6dc25b62c0c6b59a54406cd SHA-256: b853cd46658fd7e0fc597e041702404ceb38bce2a718061faa3170d5389828bf

280 Risk Score

Malware Insights

Emotet · confidence 95%

MITRE ATT&CK

T1059.005 Visual Basic T1059.001 PowerShell T1105 Ingress Tool Transfer

The critical ClamAV detection and high-severity heuristics for VBA macros, including Document_Open execution and CreateObject calls, strongly indicate malicious intent. The presence of a Document_Open macro suggests an attempt to automatically execute code upon opening the document. The ClamAV signature 'Doc.Downloader.Emotet-9765458-0' directly attributes this file to the Emotet family, known for its downloader capabilities. The embedded URL, though benign according to reputation, is often used as a placeholder or initial contact point in such attacks.

Heuristics 8

ClamAV: Doc.Downloader.Emotet-9765458-0 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Doc.Downloader.Emotet-9765458-0
Document_Open macro high OLE_VBA_DOCOPEN

Document_Open macro
CreateObject call high OLE_VBA_CREATEOBJ

CreateObject call
GetObject call high OLE_VBA_GETOBJ

GetObject 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` `4c1d45ab400998e9849e03fb488749a88ec1375f45fc179ad034e6ee3d25ecfd`	vba-macro	oletools.olevba.extract_macros (decoded VBA source)	21065 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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