Emotet Office (OLE) / .DOCX malware analysis — malicious · ba855ac67ccef2d1

MALICIOUS

Office (OLE) / .DOCX

170.7 KB Created: 2020-09-22 22:50:00 Authoring application: Microsoft Office Word

MD5: 60f0af04f1314446dd10583e06b56c6f SHA-1: 0d2c44f3dafafe0fee5259ccab3eb74652f5ca45 SHA-256: ba855ac67ccef2d1b59e693dd98dcf5cdc266adcb47b0f857e22007d1108086a

280 Risk Score

Malware Insights

Emotet · confidence 95%

MITRE ATT&CK

T1059.005 Visual Basic T1204.002 Malicious File

The sample was detected as malicious by ClamAV with the signature Doc.Downloader.Emotet-9765458-0, indicating a high likelihood of it being an Emotet variant. The presence of a Document_Open VBA macro, along with CreateObject and GetObject calls, strongly suggests that the macro is designed to download and execute a secondary payload. The document body content is heavily corrupted and unreadable, providing no additional context for the lure.

Heuristics 8

ClamAV: Doc.Downloader.Emotet-9765458-0 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Doc.Downloader.Emotet-9765458-0
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` `30f2d5537902d59450c9d0d4b8e76203b657840da56dd9d07c3c9632425ddcf4`	vba-macro	oletools.olevba.extract_macros (decoded VBA source)	20571 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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