Malicious Office (OLE) — malware analysis report

Static analysis result for SHA-256 8e5d56de0ac0e63e…

MALICIOUS

Office (OLE)

186.0 KB Created: 2010-06-02 10:26:00 Authoring application: Microsoft Office Word
MD5: 2446fefc700e31667fbec0749f74b3ff SHA-1: edb54319a073c850089a2c9fdebf1d8a94cfd853 SHA-256: 8e5d56de0ac0e63ee1e16aa41aeb9b6f2366853010d6d8a81665faa8e0b645f7
260 Risk Score

Malware Insights

MITRE ATT&CK
T1204.002 Malicious File T1059.001 PowerShell T1204 User Execution

The file is identified as malicious by ClamAV with the signature Doc.Trojan.Beast-11. Static analysis reveals references to WinExec, VirtualAlloc, and LoadLibrary APIs, indicating potential malicious code execution. A critical heuristic also flags an OLE object with Ole10Native, suggesting exploitation of CVE-2026-21514. An embedded OLE package artifact was extracted.

Heuristics 7

  • OLE with Ole10Native — possible CVE-2026-21514 exploitation high CVE likely CVE_2026_21514
    Document contains a Word OLE object with Ole10Native plus executable, PE, or risky remote-link indicators. CVE-2026-21514 exploits OLE metadata validation; this stronger structure is treated as likely exploitation.
  • ClamAV: Doc.Trojan.Beast-11 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Doc.Trojan.Beast-11
  • ClamAV detection on extracted artifact critical EXTRACTED_FILE_CLAMAV
    ClamAV flagged at least one file extracted from inside this sample. Even when the wrapping document carries no AV detection of its own, a hit on the carved artifact is a strong indicator the sample is a delivery vehicle.
  • Reference to WinExec API high SC_STR_WINEXEC
    Reference to WinExec API
  • Reference to LoadLibrary API high SC_STR_LOADLIBRARY
    Reference to LoadLibrary API
  • Reference to VirtualAlloc API medium SC_STR_VIRTUALALLOC
    Reference to VirtualAlloc API
  • 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
ole10native_00.bin
650590fe161adc789b39026db97d0ed930d25b1453b92897d0af4f36962bfc2e		 ole-package OLE Ole10Native stream: ObjectPool/_1001395161/Ole10Native 56428 bytes
Detection
ClamAV: Doc.Trojan.Beast-11
Obfuscation or payload: unlikely

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