Emotet Office (OLE) malware analysis — malicious · bcf3d022e653f400

MALICIOUS

Office (OLE)

156.7 KB Created: 2020-09-15 17:12:00 Authoring application: Microsoft Office Word

MD5: 7af1bad7f61dd4966af41fa6917d81b1 SHA-1: d2bfd131ee0161e9bc64bc0597fc753d3c13c154 SHA-256: bcf3d022e653f4004fa87a880b2921efd30e4d5f05e9b118577979b48cf3e68c

240 Risk Score

Malware Insights

Emotet · confidence 95%

MITRE ATT&CK

T1059.005 Visual Basic T1059.001 PowerShell T1059.003 Windows Command Shell T1566.001 Spearphishing Attachment

The sample contains VBA macros, specifically a Document_Open macro that uses CreateObject to execute code. The ClamAV detection explicitly names Emotet. The embedded document body contains obfuscated PowerShell commands that, when deobfuscated, appear to download and execute a second-stage payload from the URL 'http://185.149.255.160/a'. This is a common Emotet delivery technique.

Heuristics 7

ClamAV: Doc.Malware.Emotet-9762377-0 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Doc.Malware.Emotet-9762377-0
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` `2935858df1d0c162d4ca045aee67cb5dd51728380f384e9ebdf2e9a82ed900e7`	vba-macro	oletools.olevba.extract_macros (decoded VBA source)	22872 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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