Emotet Office (OLE) malware analysis — malicious · 3927ae0a2238e006

MALICIOUS

Office (OLE)

156.8 KB Created: 2020-09-15 16:41:00 Authoring application: Microsoft Office Word

MD5: 630b62096dbb34f7bb8de887ca8f7b63 SHA-1: 17dd76b901c8f7e6dbaa51b138bc707bf4921d0c SHA-256: 3927ae0a2238e0065a42a60c22fd5d8424df580cd6bbaa0f44c7a88acb36dec5

240 Risk Score

Malware Insights

Emotet · confidence 95%

MITRE ATT&CK

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

The critical ClamAV detection and high-severity heuristics for OLE_VBA_MACROS, OLE_VBA_DOCOPEN, OLE_VBA_CREATEOBJ, and OLE_VBA_PCODE_AUTOEXEC_EXEC strongly indicate malicious VBA macro execution. The presence of a Document_Open macro that uses CreateObject suggests the execution of a second-stage payload. The ClamAV signature specifically names Emotet, aligning with the observed behavior.

Heuristics 7

ClamAV: Doc.Malware.Emotet-9762373-0 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Doc.Malware.Emotet-9762373-0
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` `093df0d9d9ab28d17e10b8a3d4d0d2f7c34db272923888f5dfa322b516df3f65`	vba-macro	oletools.olevba.extract_macros (decoded VBA source)	22905 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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