Emotet Office (OLE) malware analysis — malicious · f6a8cbec8e6c7a9c

MALICIOUS

Office (OLE)

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

MD5: 12b57f58f9e4de0a8fc5a28e80768d00 SHA-1: 6ee57c7a6390ce33b6c3f60fe2a4e8a3752cc309 SHA-256: f6a8cbec8e6c7a9c50c02566df0a801d4dd7b95f66e029e3550ff447f70bb8b7

240 Risk Score

Malware Insights

Emotet · confidence 95%

MITRE ATT&CK

T1059.005 Visual Basic T1059.001 PowerShell T1566.001 Spearphishing Attachment

The file is identified as malicious by ClamAV with a critical heuristic firing for 'Doc.Malware.Emotet-9762290-0'. High-priority heuristics indicate the presence of VBA macros, specifically a 'Document_Open' macro that uses 'CreateObject' and p-code execution. This suggests the macro is designed to automatically execute upon opening the document, likely to download and execute a second-stage payload. The presence of VBA macros and the Emotet family attribution strongly suggest a phishing or spam campaign.

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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