Office (OLE) / .DOC malware analysis — malicious · 203a30513a7755bd

MALICIOUS

Office (OLE) / .DOC

84.6 KB Created: 2020-12-30 06:48:00 Authoring application: Microsoft Office Word

MD5: 74cda4f67e7d3b8e173b37c6d17d4840 SHA-1: ead480dcde7c471a4c11a312d26539c8d6ce747c SHA-256: 203a30513a7755bda24bbf778c5763eb7fda7fa5a40b25e326d64b6844ac7e84

180 Risk Score

Malware Insights

MITRE ATT&CK

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

The sample contains VBA macros, including a Document_Open auto-execution macro, which is a common technique for initial execution. The CreateObject heuristic suggests the macro attempts to instantiate objects to perform malicious actions, likely downloading and executing a second-stage payload. No specific IOCs were extracted, but the presence of obfuscated VBA code and auto-execution points to a downloader or droppper functionality.

Heuristics 6

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` `f392ec7de4bc91e9168573ed3554ded1ffa8839807d0d22211a4c7f8e84a6f24`	vba-macro	oletools.olevba.extract_macros (decoded VBA source)	6590 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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