Emotet Office (OLE) / .DOCX malware analysis — malicious · f97b08dd6d80bfd7

MALICIOUS

Office (OLE) / .DOCX

158.8 KB Created: 2020-09-23 09:30:00 Authoring application: Microsoft Office Word

MD5: 87d74f57b2438cee54d3170f41099525 SHA-1: 89aca8ecef4f018411163d043d511d1e9e32ce7f SHA-256: f97b08dd6d80bfd7e29abef0823103070c8629716d0497a6a20fc77398e115ea

280 Risk Score

Malware Insights

Emotet · confidence 95%

MITRE ATT&CK

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

The critical ClamAV detection and high-severity heuristics for OLE_VBA_DOCOPEN, OLE_VBA_CREATEOBJ, OLE_VBA_GETOBJ, and OLE_VBA_PCODE_AUTOEXEC_EXEC strongly indicate malicious VBA macro activity. The presence of a Document_Open macro suggests an attempt to automatically execute code upon opening the document. This is consistent with the Emotet family's known behavior of downloading and executing further payloads. No specific URLs or executable artifacts were directly extracted, but the overall pattern is highly indicative of Emotet's downloader functionality.

Heuristics 8

ClamAV: Doc.Downloader.Emotet-9765530-0 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Doc.Downloader.Emotet-9765530-0
Document_Open macro high OLE_VBA_DOCOPEN

Document_Open macro
CreateObject call high OLE_VBA_CREATEOBJ

CreateObject call
GetObject call high OLE_VBA_GETOBJ

GetObject 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` `f2279a4d422668b89c293cd032386976cc753a5ff4104c672bc17e53928a662a`	vba-macro	oletools.olevba.extract_macros (decoded VBA source)	20002 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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