Emotet Office (OLE) / .DOCX malware analysis — malicious · f85e575ddd651c3d

MALICIOUS

Office (OLE) / .DOCX

190.0 KB Created: 2020-09-21 14:08:00 Authoring application: Microsoft Office Word

MD5: 225bd11a715c7637e9e7930d26a5c68d SHA-1: 9c0b63e9e97af9c8de1b0b510d5389a6d4c893f8 SHA-256: f85e575ddd651c3d60580fc1e2a4c74eb93f0097b1141daaab16fcc6ec843279

280 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-9765432-0, indicating a high likelihood of it being an Emotet variant. Critical heuristic firings for OLE_VBA_DOCOPEN, OLE_VBA_CREATEOBJ, OLE_VBA_GETOBJ, and OLE_VBA_PCODE_AUTOEXEC_EXEC confirm the presence of auto-executing VBA macros that use CreateObject and GetObject, typical for Emotet's initial execution chain. No document body text was available for analysis, but the macro activity strongly suggests the document's purpose is to download and execute a second-stage payload.

Heuristics 8

ClamAV: Doc.Malware.Emotet-9765432-0 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Doc.Malware.Emotet-9765432-0
Document_Open macro high OLE_VBA_DOCOPEN

Document_Open macro
CreateObject call high OLE_VBA_CREATEOBJ

CreateObject call
GetObject call high OLE_VBA_GETOBJ

GetObject 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` `5f8ddf3f75befd9059f3326eb9e354f14c2179c2257f61708817109610baf98e`	vba-macro	oletools.olevba.extract_macros (decoded VBA source)	19074 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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