Emotet Office (OLE) / .DOCX malware analysis — malicious · 2efa19bd21544bf8

MALICIOUS

Office (OLE) / .DOCX

159.1 KB Created: 2020-09-15 21:35:00 Authoring application: Microsoft Office Word

MD5: 2f776fe6e3a0e5d662f7105d60c2f958 SHA-1: 7a6c2496d151e14771eec17b6a1d879bb7a60fe9 SHA-256: 2efa19bd21544bf8d91e4fb08377a06f9fc645174125b327ec109f759f1fd51b

240 Risk Score

Malware Insights

Emotet · confidence 95%

MITRE ATT&CK

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

The sample was detected as Emotet by ClamAV and exhibits critical heuristic firings for VBA macros, including an auto-executing Document_Open macro that uses CreateObject. The presence of VBA macros and the specific ClamAV detection strongly indicate Emotet's typical delivery mechanism. The embedded VBA code, though truncated, appears to be constructing commands for execution, consistent with Emotet's behavior of downloading and executing further stages.

Heuristics 7

ClamAV: Doc.Malware.Emotet-9762290-0 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Doc.Malware.Emotet-9762290-0
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` `48aeeefcb5ab39bdc7a9844f7217739e7dc8c9cb3f8a901965d3ff17ec851125`	vba-macro	oletools.olevba.extract_macros (decoded VBA source)	25311 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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