Emotet Office (OLE) / .DOCX malware analysis — malicious · ce77e9e1fe235b5b

MALICIOUS

Office (OLE) / .DOCX

156.2 KB Created: 2021-01-04 18:59:00 Authoring application: Microsoft Office Word

MD5: 27b737c1ce83433d7595916a256960e3 SHA-1: b68461228f0b76a5049d0dc1f4b67b851fbd0109 SHA-256: ce77e9e1fe235b5bcda9dd1e3db5ed575bd397a7e5f96da2775491ee0c23639c

240 Risk Score

Malware Insights

Emotet · confidence 95%

MITRE ATT&CK

T1059.005 Visual Basic T1059.001 PowerShell T1105 Ingress Tool Transfer

The critical ClamAV detection and high-severity heuristics for VBA macros, including an auto-executing Document_Open macro and CreateObject calls, strongly indicate malicious intent. The presence of a VBA macro suggests the document is designed to download and execute a secondary payload, consistent with Emotet's typical behavior. The obfuscated document body content does not provide further clues.

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` `28e0aab9def1820176582f12126397a14f2c858209766b704c735ce1d1db4cc2`	vba-macro	oletools.olevba.extract_macros (decoded VBA source)	7154 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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