Emotet Office (OLE) / .DOC malware analysis — malicious · 8dafb2deffcd58d1

MALICIOUS

Office (OLE) / .DOC

241.5 KB Created: 2020-09-17 23:22:00 Authoring application: Microsoft Office Word

MD5: 03bf3b1ce80b54587b188e3276b26bd1 SHA-1: 750a7aa76d71873237e7a65a0f13eeadc6ec8890 SHA-256: 8dafb2deffcd58d1f37f7f49b26caac87fa1436875085f716a0d9d0f3dc613ea

240 Risk Score

Malware Insights

Emotet · confidence 95%

MITRE ATT&CK

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

The critical ClamAV detection and high-severity heuristics for OLE_VBA_DOCOPEN, OLE_VBA_CREATEOBJ, and OLE_VBA_PCODE_AUTOEXEC_EXEC indicate that this document is designed to automatically execute VBA macros upon opening. The presence of a Document_Open macro and CreateObject calls strongly suggests the execution of malicious code, consistent with Emotet's typical behavior of downloading and executing further payloads. The ClamAV signature further supports the Emotet family attribution.

Heuristics 7

ClamAV: Doc.Downloader.EmotetRed02226-9938639-0 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Doc.Downloader.EmotetRed02226-9938639-0
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` `bbb069e7ba4108064d6782bf06897cd403c434c793526e3567eb29507661c241`	vba-macro	oletools.olevba.extract_macros (decoded VBA source)	21939 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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