Office (OLE) / .DOCX malware analysis — malicious · adddf3bf69b22644

MALICIOUS

Office (OLE) / .DOCX

160.5 KB Created: 2020-12-28 20:57:00 Authoring application: Microsoft Office Word

MD5: baefeef7ecf5e06187d853ac5d3e5e55 SHA-1: 2d4f6400877be33056efbbee9555a87976829420 SHA-256: adddf3bf69b22644e48e094fe612082137f1dfd38d2f4d6f07f9824e1e0ad061

240 Risk Score

Malware Insights

MITRE ATT&CK

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

The file contains VBA macros, specifically a Document_Open macro that utilizes CreateObject to execute code. This is a common technique for downloading and executing further malicious payloads. The ClamAV detection name 'Doc.Downloader.EmotetRed02224-9938637-0' strongly suggests a downloader functionality. While the document body is heavily obfuscated, the presence of auto-executing VBA code points to a malicious downloader.

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` `fc28b021e7c13690bd05b8fda29444b887d0bad8d106819ca318299d8abb8857`	vba-macro	oletools.olevba.extract_macros (decoded VBA source)	6085 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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