Emotet Office (OLE) / .DOC malware analysis — malicious · f1b16a95d60e942f

MALICIOUS

Office (OLE) / .DOC

164.0 KB

MD5: 50a32056a485a48d87e1fa1198f35c73 SHA-1: 64f74e536ca0e07b072c0db781b919820b0af38f SHA-256: f1b16a95d60e942f2ca4724096a5a078f74d16d045da8ebf4cbd11d1fcb25322

240 Risk Score

Malware Insights

Emotet · confidence 95%

MITRE ATT&CK

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

The file is identified as malicious by ClamAV with the signature 'Doc.Downloader.EmotetRed0121-9822961-0'. Static analysis revealed the presence of VBA macros, specifically a 'Document_Open' macro that utilizes 'CreateObject'. This indicates the document is likely a downloader attempting to execute a malicious payload. The heuristic firings strongly suggest macro-based execution, a common characteristic of Emotet.

Heuristics 7

ClamAV: Doc.Downloader.EmotetRed0121-9822961-0 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Doc.Downloader.EmotetRed0121-9822961-0
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` `70cde1a7768c914d768cc1a9e45a0e017daeffeaf31f2cd2ffc5285d23649526`	vba-macro	oletools.olevba.extract_macros (decoded VBA source)	13216 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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