Emotet Office (OLE) / .DOC malware analysis — malicious · 22304a354c9ba330

MALICIOUS

Office (OLE) / .DOC

176.3 KB Created: 2020-10-20 15:27:00 Authoring application: Microsoft Office Word

MD5: 257f2e627d79766b4ffcf356ec2e2689 SHA-1: ed5ecc5c58d981494666c19d1e0a2049f9b55af9 SHA-256: 22304a354c9ba33090522b0442ccea77df12302a51a51a7901adb0db8ed5c0a6

240 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 critical ClamAV detection and high-severity heuristics for OLE_VBA_DOCOPEN, OLE_VBA_CREATEOBJ, and OLE_VBA_PCODE_AUTOEXEC_EXEC strongly indicate a malicious Emotet document. The Document_Open macro is designed to execute VBA code upon opening, which is a common technique for downloading and executing further malicious payloads. The presence of VBA macros and the specific ClamAV signature directly point to the Emotet family.

Heuristics 7

ClamAV: Doc.Malware.Emotet-9781039-0 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Doc.Malware.Emotet-9781039-0
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` `4ae9206e4b66c21807f47ed3b7c5982ab29db0a36a53a5da071ac077a7c0588d`	vba-macro	oletools.olevba.extract_macros (decoded VBA source)	18780 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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