Emotet Office (OLE) / .DOCX malware analysis — malicious · a260910db0747bfe

MALICIOUS

Office (OLE) / .DOCX

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

MD5: 143d6a3735b03771072472ec2cf2386b SHA-1: bc86d10b5c2fd2370c4412282211c14f93552521 SHA-256: a260910db0747bfef736fe491c9762f6651e7031b77914ab19fad50c63ef70fb

240 Risk Score

Malware Insights

Emotet · confidence 95%

MITRE ATT&CK

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

The sample contains VBA macros, specifically a Document_Open macro that uses CreateObject to execute code. This is a common technique for Emotet to download and execute a second-stage payload. The ClamAV detection also strongly suggests Emotet. The document body appears to be heavily obfuscated or corrupted, making its direct content unreadable, 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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