Emotet Office (OLE) / .DOCX malware analysis — malicious · 5880198ab029293a

MALICIOUS

Office (OLE) / .DOCX

194.0 KB Created: 2020-10-27 20:26:00 Authoring application: Microsoft Office Word

MD5: f232bee274e2059339e0bb7b2eeb9fcf SHA-1: 07fc992d0f82f00e51708f3e9246d111dd7ace87 SHA-256: 5880198ab029293ab55069d91c84173b25be8fc09339e6bfa684a3d69072d4be

240 Risk Score

Malware Insights

Emotet · confidence 95%

MITRE ATT&CK

T1059.005 Visual Basic T1566.001 Spearphishing Attachment T1059.001 PowerShell

The file is detected as malicious by ClamAV with the signature 'Doc.Malware.Emotet-9784450-1'. Static analysis reveals the presence of VBA macros, specifically a 'Document_Open' macro that utilizes 'CreateObject' for execution. This indicates the document is designed to automatically run malicious code when opened. The presence of VBA macros and the Emotet family attribution strongly suggest a downloader or droppper functionality, aiming to fetch and execute further stages of malware. The obfuscated document body text does not provide clear user-facing content but the macro execution is the primary indicator of malicious intent.

Heuristics 7

ClamAV: Doc.Malware.Emotet-9784450-1 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Doc.Malware.Emotet-9784450-1
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` `557610d73c449d90b5a2aabccaaf95f7a5897df031246bc03a17cf1b86e2503b`	vba-macro	oletools.olevba.extract_macros (decoded VBA source)	16372 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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