Office (OLE) malware analysis — malicious · abefa7bd3de6bf72

MALICIOUS

Office (OLE)

952.2 KB Created: 2007-09-18 04:34:00 Authoring application: Microsoft Word 11.

MD5: a18fc39b79f6202bb45f634854036f6f SHA-1: 862aa8ec982c7e7661ce05030a08b71a4967a716 SHA-256: abefa7bd3de6bf722cc62aa65edec991913ef3b7477494ebc843c19cd57cd1cc

80 Risk Score

Malware Insights

MITRE ATT&CK

T1059.001 PowerShell

The sample exhibits a large slack space anomaly within its OLE structure, indicative of potential obfuscation or embedded malicious content. Additionally, a PEB access heuristic suggests attempts to manipulate process information. While no specific document body content or scripts were clearly extracted for analysis, the combination of these heuristics points towards a malicious document designed to exploit vulnerabilities and likely download further stages. The presence of embedded URLs, though benign, is noted.

Heuristics 3

PEB access via FS segment (x86) high SC_PEB_ACCESS

PEB access via FS segment (x86)
OLE document has large unaccounted-for region high OLE_SLACK_ANOMALY

OLE file is 975,064 bytes but its declared streams total only 16,486 bytes — 958,578 bytes (98%) live in unallocated sector slack. This is the canonical hiding place for pre-macro-era Office exploit payloads (XOR-encoded shellcode reached via a parser pointer-corruption bug in the document structure).
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://ns.adobe.com/xap/1.0/
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://ns.adobe.com/iX/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://www.iec.ch
- http://ns.adobe.com/tiff/1.0/
- http://ns.adobe.com/exif/1.0/
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/photoshop/1.0/

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