Office (OLE) / .DOC malware analysis — malicious · 6df7905f2eea04cb

MALICIOUS

Office (OLE) / .DOC

155.8 KB Created: 2020-09-22 12:54:00 Authoring application: Microsoft Office Word

MD5: c6ab196732a883c7cb0d6305d03d6a6d SHA-1: 6424d361800654bb5eec540e0dd04fd63ff282e9 SHA-256: 6df7905f2eea04cb5b0ff5cca61b24a6f85a4d5a22a4de019c8ac32caf5a1aa1

242 Risk Score

Malware Insights

MITRE ATT&CK

T1059.005 Visual Basic T1566.001 Spearphishing Attachment

The file is a malicious OLE document containing VBA macros. The 'Document_open' macro is present and utilizes 'CreateObject' and 'GetObject' calls, indicating an attempt to execute code. The macro's obfuscated nature and the presence of multiple heuristic firings suggest it is designed to download and execute a secondary payload. The ClamAV detection further supports its malicious classification.

Heuristics 7

ClamAV: Doc.Malware.Ewtz-9765424-0 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Doc.Malware.Ewtz-9765424-0
Document_Open macro high OLE_VBA_DOCOPEN

Document_Open macro
CreateObject call high OLE_VBA_CREATEOBJ

CreateObject call
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
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` `63bc7201a259a9f3eac24fc4f9990c61de6bed3eb66abffd8ef4af2ac67d9b62`	vba-macro	oletools.olevba.extract_macros (decoded VBA source)	15901 bytes

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