Emotet Office (OLE) / .DOCX malware analysis — malicious · 1c0233deb27fbf73

MALICIOUS

Office (OLE) / .DOCX

211.8 KB Created: 2020-12-22 18:13:00 Authoring application: Microsoft Office Word

MD5: ed5e4a695a367eefae972b710188a10a SHA-1: 8472de1bdec81d2dc66daee933a42eca02cdc22b SHA-256: 1c0233deb27fbf738f72f7bc6e49a858f4c60d68ac5f45e12eeb8e25696d79e4

240 Risk Score

Malware Insights

Emotet · confidence 95%

MITRE ATT&CK

T1059.005 Visual Basic T1059.001 PowerShell T1204.002 Malicious File T1105 Ingress Tool Transfer

The sample is a Word document containing a critical ClamAV detection for 'Doc.Downloader.EmotetRed02224'. Heuristics indicate the presence of VBA macros, specifically a 'Document_Open' macro that uses 'CreateObject' to execute code. This strongly suggests the macro is designed to download and execute a second-stage payload. The ClamAV signature and the observed behavior align with Emotet's known delivery methods.

Heuristics 7

ClamAV: Doc.Downloader.EmotetRed02224-9938637-0 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Doc.Downloader.EmotetRed02224-9938637-0
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` `8962e4bb9060366f196bbaa9086a3c9775784f792d9952a2d2a973cddd73b89c`	vba-macro	oletools.olevba.extract_macros (decoded VBA source)	15531 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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