Emotet Office (OLE) malware analysis — malicious · ffb13d0d942b2f42

MALICIOUS

Office (OLE)

156.5 KB Created: 2020-09-15 16:41:00 Authoring application: Microsoft Office Word

MD5: 14f407875f98bcbb0caaec2672e1f1b8 SHA-1: 0b5a1acaf50e7b83abf7cc8e0847b18c42901563 SHA-256: ffb13d0d942b2f424a60c4e98eda5873c6edcdaca237988f640a4928f5011e88

240 Risk Score

Malware Insights

Emotet · confidence 95%

MITRE ATT&CK

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

The file is identified as malicious by ClamAV with the signature Doc.Malware.Emotet-9762373-0. Static analysis revealed the presence of VBA macros, specifically a Document_Open macro that utilizes CreateObject, indicating an attempt to execute arbitrary code. The heuristic firings strongly suggest this is a macro-based downloader, a common characteristic of the Emotet family. The embedded URL, though benign, is often used as a placeholder in such documents.

Heuristics 7

ClamAV: Doc.Malware.Emotet-9762373-0 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Doc.Malware.Emotet-9762373-0
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` `093df0d9d9ab28d17e10b8a3d4d0d2f7c34db272923888f5dfa322b516df3f65`	vba-macro	oletools.olevba.extract_macros (decoded VBA source)	22905 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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