Malicious Office (OLE) — malware analysis report

Static analysis result for SHA-256 7dd7edf779b29001…

MALICIOUS

Office (OLE)

21.0 KB Created: 2015-07-07 21:43:00 Authoring application: Microsoft Office Word First seen: 2019-03-10
MD5: 0e41d2eef9dda5908b9ec1f365f96cfb SHA-1: b6f97f5d91f1cd632e8871d9633af274136c51d1 SHA-256: 7dd7edf779b29001a1df1f992ff015b3208f3366a487b426127504bb30701aee
302 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.005 Visual Basic T1105 Ingress Tool Transfer T1204.002 Malicious File

The sample is a malicious Office document containing an embedded OLE package. This package is identified as a script dropper that downloads and executes a VBScript payload from the URL http://techdallas.xyz/dl.php. The presence of references to PowerShell and Windows Script Host, along with the Ole10Native exploitation marker, indicates a multi-stage attack designed to download and run a secondary payload.

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.
  • Ole10Native package payload is a download-and-execute script critical OFFICE_PACKAGE_SCRIPT_DROPPER
    The OLE Package's embedded payload contains a script that hosts a shell (PowerShell/WScript/mshta), fetches a remote resource, and executes it — a download-and-run dropper. Embedding such a script inside an Office document via the Object Packager is a direct user-execution delivery technique (MITRE T1204.002), not a benign attachment.
  • Ole10Native package drops an auto-executable payload critical OFFICE_PACKAGE_RISKY_FILE
    OLE Package displayName or fullPath ends in a directly auto-executable extension (a runnable binary or a script the default shell host runs on double-click). Embedding such a payload inside an Office document has no benign authoring use — it is a malware-delivery dropper.
  • Suspicious extracted artifact critical 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.
  • Reference to PowerShell high SC_STR_POWERSHELL
    Reference to PowerShell
  • Reference to Windows Script Host high SC_STR_WSCRIPT
    Reference to Windows Script Host
  • 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://techdallas.xyz/dl.php Embedded OLE package script
    • http://schemas.openxmlformats.org/drawingml/2006/mainIn document text (OLE body)

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
ole10native_00.bin ole-package OLE Ole10Native stream: ObjectPool/_1508229312/Ole10Native 583 bytes
SHA-256: 9c852a5b483061aa6ba37ba0b4ee618533b5d4ca0cc0f49877d21f8286146090
Detection
ClamAV: No threats found
Obfuscation or payload: likely
Static shellcode analysis recovered URL(s): http://techdallas.xyz/dl.php Static shellcode analysis recovered command string(s): Wscript.shell"), powershell.exe -WindowS, powershell.exe -WindowStyle hidden -ExecutionPolicy Bypass -nologo -noprofile -file %TEMP%\737473.ps1"

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