Emotet Office (OLE) / .DOC malware analysis — malicious · a4bc82704fa04b90

MALICIOUS

Office (OLE) / .DOC

287.1 KB

MD5: 6a16cb8dec70661df01e471dfb1606d5 SHA-1: 2a4ce16a204c53a31b613973515bd0394a2edf4d SHA-256: a4bc82704fa04b90ecd72b3d619e432a4f13935c25dbe39b1a1554dc5abcf4ef

240 Risk Score

Malware Insights

Emotet · confidence 95%

MITRE ATT&CK

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

The file is a malicious Office document containing VBA macros, specifically triggering on 'Document_Open'. Heuristics indicate the use of CreateObject and p-code execution, consistent with macro-based malware delivery. The ClamAV detection explicitly names this as 'Doc.Downloader.EmotetRed02224-9938637-0', strongly suggesting the Emotet family. The primary function appears to be downloading a second-stage payload, as indicated by the 'downloader' classification and the presence of the 'macros.bas' file.

Heuristics 7

ClamAV: Doc.Downloader.EmotetRed02224-9938637-0 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Doc.Downloader.EmotetRed02224-9938637-0
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` `65f117dd3897582871eb0608875f8c8f8f612d1f39443fb02833631e6285474d`	vba-macro	oletools.olevba.extract_macros (decoded VBA source)	18210 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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