Office (OLE) / .DOCX malware analysis — malicious · 27dc3b44a37b8d1d

MALICIOUS

Office (OLE) / .DOCX

153.5 KB Created: 2020-09-24 05:47:00 Authoring application: Microsoft Office Word

MD5: 5688bf060251324ea8524d99a9de8512 SHA-1: e27fa9e96d92e4b030ccc9e265d1ae2efb77b6fb SHA-256: 27dc3b44a37b8d1d2c9fb8be66fc68db20eddfd82efd9aec4a13681328129242

240 Risk Score

Malware Insights

MITRE ATT&CK

T1059.001 PowerShell T1059.005 Visual Basic

The sample is a malicious Office document containing VBA macros. The 'Document_Open' macro is configured to execute, and the 'CreateObject' call suggests the execution of external code. The presence of 'macros.bas' and the ClamAV detection further indicate malicious intent. The document body appears to be heavily obfuscated or corrupted, preventing a clear understanding of its user-facing lure.

Heuristics 7

ClamAV: Doc.Trojan.Agent-9765752-0 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Doc.Trojan.Agent-9765752-0
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` `b0798fb7450882311ba60b57e039433588cb794c6cc8a10f75d1de73c5c7973a`	vba-macro	oletools.olevba.extract_macros (decoded VBA source)	19490 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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