Emotet Office (OLE) malware analysis — malicious · 9a7328248a144d8c

MALICIOUS

Office (OLE)

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

MD5: 1a16b971764a4b3edaa62b78dd8daa9e SHA-1: 73b3c2cfcca8d827d7c722e8ba7a1af1e646b4d5 SHA-256: 9a7328248a144d8c3c75d2b04d92a60e47fa1b7613bc93e86c8c219646aab9e5

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. This macro is designed to create objects and likely download a second-stage payload, a common Emotet behavior. The ClamAV detection explicitly names the file as 'Doc.Downloader.Emotet-9778091-0', strongly suggesting the Emotet 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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