Office (OLE) / .DOC malware analysis — malicious · 01318725589e72c9

MALICIOUS

Office (OLE) / .DOC

166.1 KB Created: 2018-07-20 18:49:00 Authoring application: Microsoft Office Word First seen: 2022-12-28

MD5: d214776c11974222e327e401d9654b12 SHA-1: 2ed7a8de14e7bb81aa79989c3cee84cf30342d5e SHA-256: 01318725589e72c960c01ddb6f1647c226664be8f8daa1d396a02ad3ad78f44c

222 Risk Score

Malware Insights

MITRE ATT&CK

T1059.005 Visual Basic T1059.003 Windows Command Shell

The sample is a malicious DOC file containing a VBA macro. The macro is triggered by the Document_Open event and uses the Shell() function, indicating an attempt to execute arbitrary commands. This is a common technique for downloading and executing further malicious payloads.

Heuristics 6

Shell() call in VBA critical OLE_VBA_SHELL

Shell() call in VBA
ClamAV: Doc.Malware.Valyria-6794284-0 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Doc.Malware.Valyria-6794284-0
Document_Open macro high OLE_VBA_DOCOPEN

Document_Open macro
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
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` `fa8945136b7e856500fdffcfdc053d8d9f8a0ebcf05017db8a0c70eb6e9c6c4a`	vba-macro	oletools.olevba.extract_macros (decoded VBA source)	42003 bytes

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