Office (OLE) / .DOC malware analysis — malicious · 3d1337c70cfeb63c

MALICIOUS

Office (OLE) / .DOC

89.2 KB Created: 2020-12-29 06:48:00 Authoring application: Microsoft Office Word

MD5: 2f7723b36c4ccfdbfcb6b85e5aa57cba SHA-1: 0dd5d5d2e70081d36c3fa41c60adf410a10d968d SHA-256: 3d1337c70cfeb63c736c0e9f88eee6d4b6f387c82d90ab05c987bc8d9b43d3a4

240 Risk Score

Malware Insights

MITRE ATT&CK

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

The sample contains VBA macros that are automatically executed upon opening the document, indicated by the 'Document_Open' macro and 'CreateObject' calls. These macros are designed to download and execute a second-stage payload. The ClamAV detection further confirms its malicious nature. The specific payload and delivery mechanism are not fully discernible from the provided evidence, leading to an 'unknown family' classification.

Heuristics 7

ClamAV: Doc.Malware.Agent-9818604-0 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Doc.Malware.Agent-9818604-0
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` `ee8ec4fa15ad6eb2ac2bf070761ccf080e3c94ec90e0c1c54b34fa827ebaa511`	vba-macro	oletools.olevba.extract_macros (decoded VBA source)	8326 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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