Emotet Office (OLE) / .DOC malware analysis — malicious · d4e8a73cf8cf7ccb

MALICIOUS

Office (OLE) / .DOC

164.2 KB Created: 2020-10-16 23:06:00 Authoring application: Microsoft Office Word

MD5: 90506ae04c515c0feafb14f05962193f SHA-1: dd44439b7f1998e0cf388f198ece71e07eac00ed SHA-256: d4e8a73cf8cf7ccb05b34b38e3eb637b67f5d20d0f0f1d5bc7810e6c7f3b07b0

240 Risk Score

Malware Insights

Emotet · confidence 95%

MITRE ATT&CK

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

The sample is identified as malicious by ClamAV with the signature 'Doc.Malware.Emotet-9780445-0', strongly suggesting the Emotet family. High-severity heuristics indicate the presence of VBA macros, specifically a Document_Open auto-execution macro that utilizes CreateObject. This points to the script's intent to download and execute a second-stage payload. The obfuscated document body further supports a malicious intent, likely a lure to trick the user into enabling macros.

Heuristics 7

ClamAV: Doc.Malware.Emotet-9780445-0 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Doc.Malware.Emotet-9780445-0
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` `3e3feb6d7b9c2c2a8341362a0758f92bef1973be40e8788841db3b5ecac02c3f`	vba-macro	oletools.olevba.extract_macros (decoded VBA source)	15475 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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