Emotet Office (OLE) / .DOCX malware analysis — malicious · cf6c363eb34d0c34

MALICIOUS

Office (OLE) / .DOCX

205.7 KB Created: 2020-12-22 12:31:00 Authoring application: Microsoft Office Word

MD5: 51360d28564b41696d87b0cd501302f2 SHA-1: 7fea9bac7646e2939b6bac35fa7dc9a13283315f SHA-256: cf6c363eb34d0c34ebdf5b4e79c44e7bbf6a2831b189f929102e3da045fd0b26

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 VBA macros that are automatically executed upon opening, indicated by the 'Document_Open' macro and 'CreateObject' calls. The ClamAV detection explicitly identifies it as 'Doc.Downloader.Emotet-10024800-0', suggesting its purpose is to download and execute further malicious content. The presence of obfuscated VBA code and the high heuristic scores for macro execution and object creation strongly support this conclusion.

Heuristics 7

ClamAV: Doc.Downloader.Emotet-10024800-0 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Doc.Downloader.Emotet-10024800-0
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` `b223e36ca03f3aef1de34ece9213428b8c399a8d27f7650232938837efe41a69`	vba-macro	oletools.olevba.extract_macros (decoded VBA source)	16333 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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