Emotet Office (OLE) / .DOC malware analysis — malicious · 88ce03c75d0b612b

MALICIOUS

Office (OLE) / .DOC

133.1 KB Created: 2020-10-14 07:01:00 Authoring application: Microsoft Office Word

MD5: 92170f745688d0ffd800e0c78d8ab1be SHA-1: 5b68cb3bc21ea0a85ad255f9289393d5400de6c4 SHA-256: 88ce03c75d0b612bd9d2996bef146801b8cbcb1ab2e0c7a5fbbfe74f5ce96fc1

240 Risk Score

Malware Insights

Emotet · confidence 95%

MITRE ATT&CK

T1059.005 Visual Basic T1059.001 PowerShell T1566.001 Spearphishing Attachment T1204.002 Malicious File

The file contains VBA macros, specifically a Document_Open macro that is auto-executed upon opening. This macro uses CreateObject, a common technique for executing malicious code. ClamAV detection confirms this as Emotet malware. The presence of the 'macros.bas' artifact and the ClamAV signature strongly indicate Emotet. The document body is heavily obfuscated, but the heuristics point to a macro-based execution chain.

Heuristics 7

ClamAV: Doc.Malware.Emotet-9777996-0 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Doc.Malware.Emotet-9777996-0
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` `826434d3a30f8115a2b858063b6ee79ded3d3145d977887f7c2b014f2947746b`	vba-macro	oletools.olevba.extract_macros (decoded VBA source)	9581 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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