Office (OLE) / .DOC malware analysis — malicious · d35ce7ecbf781e43

MALICIOUS

Office (OLE) / .DOC

241.1 KB

MD5: 3710b671680574bcbb9dc659dc918fc8 SHA-1: d1638912cb04d34087271fe091c09c22de69e1b8 SHA-256: d35ce7ecbf781e43242b0ddf34fc92d905f15b6279385f62ce2b3a7f3a700c74

240 Risk Score

Malware Insights

MITRE ATT&CK

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

The file is a malicious OLE document containing a large VBA macro. The 'Document_Open' macro is present and configured to auto-execute with 'CreateObject', indicating it's designed to run code upon opening. ClamAV detection as 'Doc.Downloader.Generic' further supports that this macro is intended to download and execute additional malicious content. No specific family could be identified, but the technique is consistent with common downloader malware.

Heuristics 7

ClamAV: Doc.Downloader.Generic-9785156-0 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Doc.Downloader.Generic-9785156-0
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` `53c940c9e61b86bba3a049505972bd865d71f0e7c155177329bd8613b2e4028a`	vba-macro	oletools.olevba.extract_macros (decoded VBA source)	18779 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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