Emotet Office (OLE) / .DOCX malware analysis — malicious · 987e1a42f83efa60

MALICIOUS

Office (OLE) / .DOCX

194.5 KB Created: 2020-09-22 04:18:00 Authoring application: Microsoft Office Word

MD5: 99f33daf324d45042c5a55750f31e629 SHA-1: c13e0f4379a1413a5d4c43f432f4bd179b820bb0 SHA-256: 987e1a42f83efa603695557dfe5b08626aa7401f96e7987fb3d461eea7bb03ad

280 Risk Score

Malware Insights

Emotet · confidence 95%

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1059.005 Visual Basic T1059.001 PowerShell T1105 Ingress Tool Transfer

The file contains VBA macros, specifically a Document_Open macro that uses CreateObject and GetObject, indicating an attempt to execute code automatically. ClamAV identifies this as Emotet. The macro likely downloads and executes a second-stage payload, consistent with Emotet's typical behavior. The presence of a Document_Open macro and the ClamAV signature strongly suggest this is a malicious document.

Heuristics 8

ClamAV: Doc.Malware.Emotet-9764756-0 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Doc.Malware.Emotet-9764756-0
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` `3b0af88f4dd9c23a17bbdbbca50e89a637a2364695c54b84b34b6c26baade961`	vba-macro	oletools.olevba.extract_macros (decoded VBA source)	19032 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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