Emotet Office (OLE) / .DOCX malware analysis — malicious · 90e36d2990e1c86b

MALICIOUS

Office (OLE) / .DOCX

134.1 KB Created: 2020-10-14 19:03:00 Authoring application: Microsoft Office Word

MD5: afdc348445e577fe83733de66a845321 SHA-1: 6d66dd58d018698c10fea959177b6300fa8092d5 SHA-256: 90e36d2990e1c86b71a77c96196d4fbe57e9e5d274d37bd085edf57d4058a55b

240 Risk Score

Malware Insights

Emotet · confidence 95%

MITRE ATT&CK

T1059.005 Visual Basic T1059.001 PowerShell T1105 Ingress Tool Transfer

The critical ClamAV heuristic and high-severity OLE_VBA_DOCOPEN, OLE_VBA_CREATEOBJ, and OLE_VBA_PCODE_AUTOEXEC_EXEC firings indicate a malicious macro downloader. The presence of a Document_Open macro that uses CreateObject strongly suggests the execution of a second-stage payload. The ClamAV detection explicitly names Emotet, a known downloader family.

Heuristics 7

ClamAV: Doc.Downloader.Emotet-9778091-0 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Doc.Downloader.Emotet-9778091-0
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` `35ba581a7d07c242723817cd679240b29046cc2a7f4485862374591738596dda`	vba-macro	oletools.olevba.extract_macros (decoded VBA source)	9454 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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