Emotet Office (OLE) / .DOCX malware analysis — malicious · da70616307607ec5

MALICIOUS

Office (OLE) / .DOCX

152.7 KB Created: 2020-09-23 06:50:00 Authoring application: Microsoft Office Word

MD5: 7f3dce8b8a5179c7edd415409366c78b SHA-1: 5651ea449e66e46c4cd489b54b9bfee84827a5e6 SHA-256: da70616307607ec5010de6bc4f9d01785fee4f96a316e839ab7e76751608b734

280 Risk Score

Malware Insights

Emotet · confidence 95%

MITRE ATT&CK

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

The critical ClamAV detection and high-severity heuristics for OLE_VBA_MACROS, OLE_VBA_DOCOPEN, OLE_VBA_CREATEOBJ, OLE_VBA_GETOBJ, and OLE_VBA_PCODE_AUTOEXEC_EXEC strongly indicate malicious VBA macro activity. The presence of a Document_Open macro suggests an auto-execution attempt upon opening the document. The ClamAV signature 'Doc.Downloader.Emotet-9765526-0' directly attributes this sample to the Emotet family, which is known for downloading and executing further stages of malware. The document body's content is heavily obfuscated and does not provide clear user-facing text, further supporting a malicious intent behind the macro execution.

Heuristics 8

ClamAV: Doc.Downloader.Emotet-9765526-0 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Doc.Downloader.Emotet-9765526-0
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` `b9cffb0e79babc4a34c180b4e03d44a772a85b301d6c58e52fd57eb504592664`	vba-macro	oletools.olevba.extract_macros (decoded VBA source)	19838 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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