Office (OLE) / .DOC malware analysis — malicious · 3d698d68e564b049

MALICIOUS

Office (OLE) / .DOC

1.40 MB Created: 2020-11-12 16:12:00 Authoring application: Microsoft Office Word

MD5: 48914d38a1c1695f05af14fce3d6243a SHA-1: 308dd4e3ce1f62affe4bc0cddd42d733a398d4f9 SHA-256: 3d698d68e564b049fecafafbe510b2954fe95b4725ecad134992e3acd2671b49

140 Risk Score

Malware Insights

MITRE ATT&CK

T1059.005 Visual Basic T1059.001 PowerShell

The sample is a malicious OLE document containing VBA macros. The heuristics indicate the presence of ShellExecute and GetObject API calls, along with VBA Chr string obfuscation, suggesting the macro attempts to execute arbitrary code. The embedded VBA macros are the primary mechanism for delivering the malicious payload. No specific family could be identified.

Heuristics 5

Reference to ShellExecute API high SC_STR_SHELLEXEC

Reference to ShellExecute API
GetObject call high OLE_VBA_GETOBJ

GetObject call
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
- http://schemas.openxmlformats.org/officeDocument/2006/bibliography
- http://schemas.openxmlformats.org/officeDocument/2006/customXml

Extracted artifacts 1

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`macros.bas` `cc9d4e9fa3a2d09acd3f12e45391abbdf26d154705542ee944461ab7cee0fb16`	vba-macro	oletools.olevba.extract_macros (decoded VBA source)	14486 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 2 shell/COM execution token(s). Carved artifact contains 38 Chr/ChrW string-construction calls.

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