Emotet Office (OLE) / .DOCX malware analysis — malicious · 2a3f1606dff59a1a

MALICIOUS

Office (OLE) / .DOCX

150.7 KB Created: 2020-09-29 07:27:00 Authoring application: Microsoft Office Word

MD5: 855492ff2f2586b4095b9b0f504964f5 SHA-1: da5ff1e01322ead40a01ec4b6f708f966796dcee SHA-256: 2a3f1606dff59a1aed0077676c39e10d432a1c36d244d4b4fb8e5d6fa7e68e57

240 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, and OLE_VBA_PCODE_AUTOEXEC_EXEC strongly indicate malicious VBA code designed to execute automatically upon opening the document. The presence of the 'Emotet' family name in the ClamAV detection further supports this attribution. The VBA macros likely download and execute a second-stage payload, a common Emotet delivery technique.

Heuristics 7

ClamAV: Doc.Downloader.Emotet-9769096-0 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Doc.Downloader.Emotet-9769096-0
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` `7fe684c304685628252d7c0111d3e33f34436ae7810b3dde5f2aa07edc7bb621`	vba-macro	oletools.olevba.extract_macros (decoded VBA source)	8166 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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