Emotet Office (OLE) / .DOCX malware analysis — malicious · 2ab353b4f5f0ab68

MALICIOUS

Office (OLE) / .DOCX

141.0 KB Created: 2020-10-26 15:23:00 Authoring application: Microsoft Office Word

MD5: c4ea9406b2e4779ba56072f321c4bcd5 SHA-1: bda69bd865f40e4b5a9875120ce57746b4218ec0 SHA-256: 2ab353b4f5f0ab68ccce5b36f9b6dfd09a8d88f5bde9eb7c8186ab1d5f7327e2

240 Risk Score

Malware Insights

Emotet · confidence 95%

MITRE ATT&CK

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

The sample was detected as malicious by ClamAV with the signature 'Doc.Downloader.Emotet-9784039-0', strongly suggesting the Emotet family. High-severity heuristics indicate the presence of VBA macros, specifically a Document_Open auto-execution macro that uses CreateObject. This points to the document's primary function being the execution of malicious code, likely to download and run a secondary payload. The obfuscated document body text, while difficult to parse directly, contains patterns consistent with macro execution commands.

Heuristics 7

ClamAV: Doc.Downloader.Emotet-9784039-0 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Doc.Downloader.Emotet-9784039-0
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` `ba1af4dba1aa75f927c350af06a94edad859236070021b34b079fb1b956a0718`	vba-macro	oletools.olevba.extract_macros (decoded VBA source)	16121 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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