Emotet Office (OLE) / .DOCX malware analysis — malicious · a4b49eb7441a3aad

MALICIOUS

Office (OLE) / .DOCX

170.3 KB Created: 2020-09-29 12:31:00 Authoring application: Microsoft Office Word

MD5: 9de1b39a4c83c5c0beab2e6159d6eac2 SHA-1: 162681341fba048bc2f38c4833c6e1b8cb823bd9 SHA-256: a4b49eb7441a3aadd3dc678cfbc50f12df6ffe4767f15179de9b5244bcae0e4e

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 the document, as indicated by the 'Document_Open' macro and 'CreateObject' call heuristics. The ClamAV detection name 'Doc.Downloader.EmotetRed02224-9938637-0' strongly suggests this is an Emotet variant. The macro likely downloads and executes a second-stage payload, a common Emotet delivery technique. The obfuscated document body text does not provide further actionable intelligence.

Heuristics 7

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.
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` `78af9bfbd851f0765d951c5fd87890712e4afc03034fdc1be9f16082b41d9b12`	vba-macro	oletools.olevba.extract_macros (decoded VBA source)	8150 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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