Win.Downloader.24465-1 — Office (OLE) / .DOC malware analysis

Static analysis result for SHA-256 ce9d12b1581de399…

MALICIOUS

Office (OLE) / .DOC

25.5 KB Created: 2010-08-07 02:01:00 Authoring application: Microsoft Office Word First seen: 2026-05-10
MD5: 85f5b1acc476a432f1f815ad0353cdd6 SHA-1: 4c721ed7d31ed375cb17c2a3ba83da8389a0ff54 SHA-256: ce9d12b1581de3996aaa28124782957cb5fff6785e238bb3aa53c912dd2a0d37
280 Risk Score

Malware Insights

Win.Downloader.24465-1 · confidence 95%

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1105 Ingress Tool Transfer

This OLE document contains an embedded PE executable, identified by ClamAV as Win.Downloader.24465-1. The presence of an embedded executable strongly suggests the document's purpose is to deliver a secondary payload. The file's SHA256 hash is provided as a primary IOC.

Heuristics 5

  • ClamAV: Win.Downloader.24465-1 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Win.Downloader.24465-1
  • Embedded PE executable critical OLE_EMBEDDED_EXE
    MZ/PE header found inside document — possible embedded executable
  • x86 GetPC stub (CALL $+5; POP EAX) high SC_GETPC_CALL
    x86 GetPC stub (CALL $+5; POP EAX)
    Disassembly hidden — these bytes score as data, not coherent x86 code (5/14 branch targets land on an instruction boundary (36% coherence)).
  • PEB access via FS segment (x86) high SC_PEB_ACCESS
    PEB access via FS segment (x86)
    Disassembly hidden — these bytes score as data, not coherent x86 code (3/9 branch targets land on an instruction boundary (33% coherence)).
  • Suspicious extracted artifact medium 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.

Related samples 5

Ranked by shared artifacts, heuristics, extracted URLs, CVEs, and signatures.

Full JSON: related samples API

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
embedded_office_0000309b.exe embedded-pe Office MZ+PE at offset 0x309B 13669 bytes
SHA-256: ca513e7a9715e5795895182c321a6d15aa58933f539454b14c892875e79150b9
Detection
ClamAV: Win.Downloader.24568-1
Obfuscation or payload: likely
Static shellcode analysis found candidate code region(s). Indicators: SC_PEB_ACCESS, SC_GETPC_CALL, SC_GETPC_CALL
ole10native_00.bin ole-package OLE Ole10Native stream: ObjectPool/_1342640831/Ole10Native 9885 bytes
SHA-256: 2f1a7327578bfc1aab89158ac37b2bba71c9d86206987266881fae608939969d
Detection
ClamAV: Win.Downloader.24465-1
Obfuscation or payload: likely
Static shellcode analysis found candidate code region(s). Indicators: SC_PEB_ACCESS, SC_GETPC_CALL, SC_GETPC_CALL
ole10native_00_prueba1.exe ole-package-payload OLE Ole10Native payload: ObjectPool/_1342640831/Ole10Native; display_name=; full_path=C:\Documents and Settings\SicKneSs\Escritorio\prueba1.exe; temp_path=; def_file= 9728 bytes
SHA-256: 00ce2a1dbf14525a896e9026508fe7dea130cb8007acc590db9048a0422fa9e8
Detection
ClamAV: Win.Downloader.24568-1
Obfuscation or payload: likely
Static shellcode analysis found candidate code region(s). Indicators: SC_PEB_ACCESS, SC_GETPC_CALL, SC_GETPC_CALL

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