Emotet Office (OLE) / .DOC malware analysis — malicious · 2873d35b283c5aa3

MALICIOUS

Office (OLE) / .DOC

143.6 KB Created: 2020-09-25 19:15:00 Authoring application: Microsoft Office Word

MD5: 9bf878f9911d7a19d1a00ed6837c7499 SHA-1: d683a93191e7792fb22f4db67772115b3f0643a0 SHA-256: 2873d35b283c5aa3290debc9f802d58419b5e37937e3a5bd38d867df4d6b2420

240 Risk Score

Malware Insights

Emotet · confidence 95%

MITRE ATT&CK

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

The critical ClamAV heuristic and high-severity OLE_VBA_DOCOPEN, OLE_VBA_CREATEOBJ, and OLE_VBA_PCODE_AUTOEXEC_EXEC firings strongly indicate malicious VBA macro activity. The presence of a 'Document_Open' macro that uses 'CreateObject' suggests the execution of code upon opening the document. This is consistent with Emotet's known behavior of downloading and executing further stages. The ClamAV detection name further supports the Emotet family attribution.

Heuristics 7

ClamAV: Doc.Downloader.Emotet-9768415-1 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Doc.Downloader.Emotet-9768415-1
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` `f7aec5ed0700c38686fed103b8e955ba1df17f289b657d0b562d676e1e8a24d1`	vba-macro	oletools.olevba.extract_macros (decoded VBA source)	16307 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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