Emotet Office (OLE) / .DOCX malware analysis — malicious · 32174c01d5f247d6

MALICIOUS

Office (OLE) / .DOCX

155.9 KB Created: 2020-12-28 15:43:00 Authoring application: Microsoft Office Word

MD5: 7f0970e938a8f15c1d34b9b392cfdd7e SHA-1: 1a14dff9e5e1a0dd30bef8553851b2a0fbc3e0a0 SHA-256: 32174c01d5f247d670115aecf780fb5095dc662394c8b508cdea6bc573ce41e1

280 Risk Score

Malware Insights

Emotet · confidence 95%

MITRE ATT&CK

T1059.005 Visual Basic for Applications T1566.002 Spearphishing Attachment T1140 Deobfuscate/Decode Files or Information

The sample contains VBA macros, specifically a Document_Open auto-exec macro, which is a common delivery mechanism for Emotet. The 'SE_PASSWORD_ARCHIVE_LURE' heuristic indicates the document likely prompts the user to enable macros by claiming it's password protected. The ClamAV detection name 'Doc.Downloader.EmotetRed02224-9938637-0' strongly suggests an Emotet variant. The VBA code likely downloads and executes a second-stage payload.

Heuristics 8

ClamAV: Doc.Downloader.EmotetRed02224-9938637-0 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Doc.Downloader.EmotetRed02224-9938637-0
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.
Password-protected archive handoff high SE_PASSWORD_ARCHIVE_LURE

Document gives password instructions for an archive or attachment — often used to keep payloads encrypted until after gateway scanning
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` `a004a96685dc375590aeec65acf06fce9e74ef2bbe0aa7a48bc315f9645e3700`	vba-macro	oletools.olevba.extract_macros (decoded VBA source)	6009 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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