Emotet Office (OLE) / .DOCX malware analysis — malicious · ff454b11b8fd666d

MALICIOUS

Office (OLE) / .DOCX

161.9 KB Created: 2020-12-29 20:50:00 Authoring application: Microsoft Office Word

MD5: f2fd88f593f4967ae07f1d661fa2b7b8 SHA-1: 2b9a177209a962e579e847bf00b52aab0f0a9acd SHA-256: ff454b11b8fd666d7d8eceaa253fb0756ef6d2a72b572799879d83a8d285ade8

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 detection and high-severity heuristics for VBA macros, including an auto-executing Document_Open macro that uses CreateObject, strongly indicate a malicious downloader. The presence of VBA macros and the specific ClamAV signature suggest this file is part of the Emotet malware family, likely designed to download and execute further malicious payloads. The document body content is heavily obfuscated and unreadable, providing no direct clues to the lure.

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` `e5f9549007a41fec3f244ce297cfb2983cfeb314035104f84c750e8267247398`	vba-macro	oletools.olevba.extract_macros (decoded VBA source)	8311 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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