Emotet Office (OLE) / .DOCX malware analysis — malicious · 45ddc5bb24538686

MALICIOUS

Office (OLE) / .DOCX

130.1 KB Created: 2020-09-28 15:20:00 Authoring application: Microsoft Office Word

MD5: 4ff79bb56d86d57e9ee022201160a39d SHA-1: 7177dde1cf709c33a0e8ce87cfd5e6158404473d SHA-256: 45ddc5bb24538686e634a902d85ceae9f045c774af1d473ee4654257289cdc32

240 Risk Score

Malware Insights

Emotet · confidence 95%

MITRE ATT&CK

T1059.005 Visual Basic T1059.001 PowerShell T1204.002 Malicious File

The critical ClamAV heuristic identifies this file as Emotet. The presence of a Document_Open VBA macro, combined with CreateObject calls and p-code execution, strongly indicates that the macro is designed to download and execute a second-stage payload. The heuristic 'OLE_VBA_PCODE_AUTOEXEC_EXEC' specifically points to auto-execution of VBA code with execution tokens, further supporting this. The document body content appears to be obfuscated or corrupted, providing no direct clues to the lure.

Heuristics 7

ClamAV: Doc.Malware.Emotet-9768661-0 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Doc.Malware.Emotet-9768661-0
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` `2ce77a90790088f293710a707301ae69bfebe17386d7804fba58a5e382e47c64`	vba-macro	oletools.olevba.extract_macros (decoded VBA source)	6657 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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