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

Static analysis result for SHA-256 cbf238a9bec97b76…

MALICIOUS

Office (OLE) / .DOC

135.5 KB Created: 2025-12-01 01:28:00 Authoring application: Microsoft Office Word
MD5: 632568cb2adde20bae264e09e8ef9502 SHA-1: 87f4659a463e7eef6970ec81dff07ce632693a23 SHA-256: cbf238a9bec97b767fe53b13949f5acbaa30c40692216e9628f5f71842c60889
280 Risk Score

Malware Insights

MITRE ATT&CK
T1059.005 Visual Basic T1059.003 Windows Command Shell T1204.002 Malicious File

The sample is a malicious DOC file containing VBA macros. It uses `WScript.Shell` and `CreateObject` calls, indicating it attempts to execute commands or scripts. The document body explicitly prompts the user to 'Enable content', a common lure for macro-based malware. The presence of `SC_STR_WSCRIPT` and `OLE_VBA_SHELL` heuristics further supports that the macro is designed to run external commands, likely downloading and executing a second-stage payload.

Heuristics 8

  • Shell() call in VBA critical OLE_VBA_SHELL
    Shell() call in VBA
  • WScript.Shell usage critical OLE_VBA_WSCRIPT
    WScript.Shell usage
  • Reference to Windows Script Host high SC_STR_WSCRIPT
    Reference to Windows Script Host
  • 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
  • Macro/content-enable lure medium SE_ENABLE_LURE
    Document instructs the user to enable macros or editing — a common technique used by malware droppers to bypass Office macro security settings
  • 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.

FilenameKindSourceSize
macros.bas
12556b63d80b6805396d579d6ea81f109922b5776bc8c98c427a82fbe37367b0		 vba-macro oletools.olevba.extract_macros (decoded VBA source) 24450 bytes
Detection
ClamAV: No threats found
Obfuscation or payload: likely
Carved artifact contains 2 shell/COM execution token(s). Carved macro source contains an auto-exec entry point and execution/download terms.

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