Office (OLE) / .DOC malware analysis — malicious · 9d43bda64c23788d

MALICIOUS

Office (OLE) / .DOC

137.0 KB Created: 2020-06-12 17:18:00 Authoring application: Microsoft Office Word

MD5: e5f5fccf62d468b4599497a02c6e94f1 SHA-1: 72d04ffb4fdbb84817306f8aed31fff21b19f0a5 SHA-256: 9d43bda64c23788dcb443b63349811f1b75b13560442e09a8e0b70bacd9050e1

202 Risk Score

Malware Insights

MITRE ATT&CK

T1059.005 Visual Basic T1204.002 Malicious File

The sample is a Microsoft Word document containing a high-severity AutoOpen VBA macro. This macro is designed to execute automatically upon opening the document. The presence of GetObject calls and p-code execution further indicates malicious intent. ClamAV detection as 'Doc.Downloader.Generic' strongly suggests the macro's purpose is to download and execute a secondary payload. No specific URLs or executable artifacts were directly extracted, hence the family is unknown.

Heuristics 7

ClamAV: Doc.Downloader.Generic-8023922-0 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Doc.Downloader.Generic-8023922-0
AutoOpen macro high OLE_VBA_AUTOOPEN

AutoOpen macro
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.
VBA macros detected medium OLE_VBA_MACROS

Document contains VBA macro code
Suspicious extracted artifact info 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.
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` `16d4b675310a0216d7e30ee4c52534b34a089d8c8bfd56796cbd82ee7b8c77ff`	vba-macro	oletools.olevba.extract_macros (decoded VBA source)	20639 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 2 long base64-like blob(s).

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