Malicious Office (OLE) / .DOC — malware analysis report

Static analysis result for SHA-256 1a3f0fa9d62a3de2…

MALICIOUS

Office (OLE) / .DOC

220.5 KB Created: 2025-09-11 14:22:00 Authoring application: Microsoft Office Word
MD5: 44a2ecaa8ee3abf9b603cd6dbee8dd15 SHA-1: 31562fad8db4203f8a5d269d740431905b93988e SHA-256: 1a3f0fa9d62a3de2d9ffe66b20ee4d58e4c5827ba6db01adbe4aa63c410506bd
148 Risk Score

Heuristics 6

  • Reference to ShellExecute API high SC_STR_SHELLEXEC
    Reference to ShellExecute API
  • CreateObject call high OLE_VBA_CREATEOBJ
    CreateObject 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
  • Environ() call (env variable access) low OLE_VBA_ENVIRON
    Environ() call (env variable access)
  • 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
    • https://apclaims.aceins.com/AP_PROD/AFS.Claims/ACE_HFC/FileNotes/FileNoteAcceptorView.aspx?RedirectedFromDocument=TRUE&ClaimID=08DD9675242B5801&AttachmentID=0x9a0e79250xf344&FileNoteType=02&ParticipantIDs=%2c%2c&AttachmentFileName=AH+Claims+AU+Chubb+AMEX+NAC+Business+Payment+Letter&FileExtension=DOCX&UserStateId=08DDEE5FF61C914E&Navigation=True&ApplicationVersion=10.712002
    • http://schemas.openxmlformats.org/officeDocument/2006/customXml

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
macros.bas
e7f7be735c92ecc977e99f230e27745440adbd01553248564941a8a283344607		 vba-macro oletools.olevba.extract_macros (decoded VBA source) 226449 bytes
Detection
ClamAV: No threats found
Obfuscation or payload: likely
Carved artifact contains 4 shell/COM execution token(s). Carved artifact contains 15 Chr/ChrW string-construction calls.

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