Emotet Office (OLE) malware analysis — malicious · cdeb15d8db3aac2e

MALICIOUS

Office (OLE)

130.0 KB Created: 2020-10-14 22:05:00 Authoring application: Microsoft Office Word

MD5: 5493f6447e21d6f5e6ffc4f9599aa84d SHA-1: 792bcdce84814b584a374996a298ca55c78b4bba SHA-256: cdeb15d8db3aac2e8aa7f6662d3e3e84f3a2cf8a1f4fadc399152bbe441ca7db

240 Risk Score

Malware Insights

Emotet · confidence 95%

MITRE ATT&CK

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

The file contains a VBA macro that is automatically executed upon opening, as indicated by the 'Document_Open' and 'OLE_VBA_PCODE_AUTOEXEC_EXEC' heuristics. The 'CreateObject' call suggests the macro is attempting to instantiate and run objects, a common technique for downloading and executing further stages. ClamAV detection explicitly names this as Emotet. The document body appears to be heavily obfuscated or malformed, providing no clear user-facing lure.

Heuristics 7

ClamAV: Doc.Malware.Emotet-9777973-1 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Doc.Malware.Emotet-9777973-1
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` `9296410b78ac92b55714bdfa954afbb0bd00efb2266f225f69af6657d47bd2de`	vba-macro	oletools.olevba.extract_macros (decoded VBA source)	9460 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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