Office (OLE) / .DOC malware analysis — malicious · f34c9bb58549d301

MALICIOUS

Office (OLE) / .DOC

217.5 KB Created: 2020-09-21 23:04:00 Authoring application: Microsoft Office Word

MD5: c43f06452c76b2a677b5426090eab716 SHA-1: a51d03f67e17f0c81fbdf445ea400106a9178e24 SHA-256: f34c9bb58549d301b15e41b1c6efa3384c9149d9237b06fa0d88236c59ba4c3c

280 Risk Score

Malware Insights

MITRE ATT&CK

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

The file is a malicious OLE document containing VBA macros. The presence of a Document_Open macro, CreateObject, and GetObject calls, along with VBA p-code auto-execution, strongly indicates that the macros are designed to run automatically when the document is opened. This behavior is typical of macro-based malware designed to download and execute further stages. The ClamAV detection further confirms its malicious nature.

Heuristics 8

ClamAV: Doc.Malware.Sagent-9764704-0 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Doc.Malware.Sagent-9764704-0
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.
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` `50bfbdd07ba14490c9717edeea07b93592fbd1031d8de4b70bb45954a661031c`	vba-macro	oletools.olevba.extract_macros (decoded VBA source)	19154 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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