Emotet Office (OLE) / .DOC malware analysis — malicious · c3af01baadaf232d

MALICIOUS

Office (OLE) / .DOC

162.1 KB Created: 2020-09-18 04:35:00 Authoring application: Microsoft Office Word

MD5: 5a9db3b7a0852c74c2c1656f732a3178 SHA-1: 7433d1052d840c8793d47f5aeee897d150623c5b SHA-256: c3af01baadaf232d1d21262afb71ed3d3889ffc16ea42bc0328abf271cbd0187

240 Risk Score

Malware Insights

Emotet · confidence 95%

MITRE ATT&CK

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

The sample contains a high number of critical and high severity heuristics indicating the presence of VBA macros designed to execute automatically upon opening the document. Specifically, the 'Document_Open' macro and 'CreateObject' calls are strong indicators of malicious intent. The ClamAV detection explicitly names this file as Emotet, a known banking trojan and downloader. The VBA macros are likely responsible for downloading and executing a second-stage payload.

Heuristics 7

ClamAV: Doc.Malware.Emotet-9763318-0 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Doc.Malware.Emotet-9763318-0
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` `b0a943f27b229afc0d61565177642c9be098ce97924ee703fbff1ec25a707666`	vba-macro	oletools.olevba.extract_macros (decoded VBA source)	21996 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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