Office (OLE) / .DOC malware analysis — malicious · 367f139e8c886124

MALICIOUS

Office (OLE) / .DOC

159.0 KB Created: 2020-05-16 15:58:00 Authoring application: Microsoft Office Word

MD5: 07b56475ffdf93110826d604e293173c SHA-1: ba83bc26036230fa92d7b5e0793cde9e80fe4f70 SHA-256: 367f139e8c8861249b4250aa9687f631564dad947c3780f88c5d0853f12cb682

142 Risk Score

Malware Insights

MITRE ATT&CK

T1059.005 Visual Basic T1204.002 Malicious File

The sample is a malicious Microsoft Word document containing VBA macros, as indicated by the OLE_VBA_MACROS and OLE_VBA_DOCOPEN heuristics. The presence of a Document_Open macro suggests automatic execution upon opening. The SC_STR_VIRTUALPROTECT heuristic and the extracted 'macros.bas' file point towards the execution of shellcode or a downloader. The primary intent appears to be downloading and executing a second-stage payload, although the specific URL is not directly extractable from the provided evidence.

Heuristics 6

ClamAV: Doc.Downloader.Generickdz-7993664-0 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Doc.Downloader.Generickdz-7993664-0
Document_Open macro high OLE_VBA_DOCOPEN

Document_Open macro
Reference to VirtualProtect API medium SC_STR_VIRTUALPROTECT

Reference to VirtualProtect API
VBA macros detected medium OLE_VBA_MACROS

Document contains VBA macro code
Suspicious extracted artifact info 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.
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` `f35d68750f462b91ca446cbb003f043f3c413d0dc60fa9a2c2efb62ffe5fb92f`	vba-macro	oletools.olevba.extract_macros (decoded VBA source)	21579 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 12 long base64-like blob(s).

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