MALICIOUS
162
Risk Score
Malware Insights
MITRE ATT&CK
T1203 Exploitation for Client Execution
The RTF file contains multiple indicators of malicious activity, including heap spray patterns, OLE object data, and a high likelihood of exploiting CVE-2012-0158. The embedded URL points to an executable file, suggesting the document's primary purpose is to download and run a second-stage payload. The large amount of hex-encoded data within the OLE objects further supports the presence of hidden malicious content.
Heuristics 6
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MSCOMCTL.ListView — CVE-2012-0158 high CVE_2012_0158RTF \objdata decodes to OLE data containing the MSCOMCTL.ListView — CVE-2012-0158 CLSID — the vulnerable control/moniker is embedded directly in the document's object stream, the delivery shape of this exploit. RTF objects auto-render when Word opens the file.
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Heap-spray pattern detected high SC_HEAP_SPRAYRepeated 0x41 (A) bytes found
Disassembly
Attempted x86 opcode disassembly0063552E 41 inc ecx 0063552F 41 inc ecx 00635530 41 inc ecx 00635531 41 inc ecx 00635532 41 inc ecx 00635533 41 inc ecx 00635534 41 inc ecx 00635535 41 inc ecx 00635536 41 inc ecx 00635537 41 inc ecx 00635538 41 inc ecx 00635539 41 inc ecx 0063553A 41 inc ecx 0063553B 41 inc ecx 0063553C 41 inc ecx 0063553D 41 inc ecx 0063553E 41 inc ecx 0063553F 41 inc ecx 00635540 41 inc ecx 00635541 41 inc ecx 00635542 41 inc ecx 00635543 41 inc ecx 00635544 41 inc ecx 00635545 41 inc ecx 00635546 41 inc ecx 00635547 41 inc ecx 00635548 41 inc ecx 00635549 41 inc ecx 0063554A 41 inc ecx 0063554B 41 inc ecx 0063554C 41 inc ecx 0063554D 41 inc ecx 0063554E 41 inc ecx 0063554F 41 inc ecx 00635550 41 inc ecx 00635551 41 inc ecx 00635552 41 inc ecx 00635553 41 inc ecx 00635554 41 inc ecx 00635555 41 inc ecx 00635556 41 inc ecx 00635557 41 inc ecx 00635558 41 inc ecx 00635559 41 inc ecx 0063555A 41 inc ecx 0063555B 41 inc ecx 0063555C 41 inc ecx 0063555D 41 inc ecx 0063555E 41 inc ecx 0063555F 41 inc ecx 00635560 41 inc ecx 00635561 41 inc ecx 00635562 41 inc ecx 00635563 41 inc ecx 00635564 41 inc ecx 00635565 41 inc ecx 00635566 41 inc ecx 00635567 41 inc ecx 00635568 41 inc ecx 00635569 41 inc ecx 0063556A 41 inc ecx 0063556B 41 inc ecx 0063556C 41 inc ecx 0063556D 41 inc ecx 0063556E 41 inc ecx 0063556F 41 inc ecx 00635570 41 inc ecx 00635571 41 inc ecx 00635572 41 inc ecx 00635573 41 inc ecx 00635574 41 inc ecx 00635575 41 inc ecx 00635576 41 inc ecx 00635577 41 inc ecx 00635578 41 inc ecx 00635579 41 inc ecx 0063557A 41 inc ecx 0063557B 41 inc ecx 0063557C 41 inc ecx 0063557D 41 inc ecx 0063557E 41 inc ecx 0063557F 41 inc ecx 00635580 41 inc ecx 00635581 41 inc ecx 00635582 41 inc ecx 00635583 41 inc ecx 00635584 41 inc ecx 00635585 41 inc ecx 00635586 41 inc ecx 00635587 41 inc ecx 00635588 41 inc ecx 00635589 41 inc ecx 0063558A 41 inc ecx 0063558B 41 inc ecx 0063558C 41 inc ecx 0063558D 41 inc ecx
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Large hex data blocks in OLE object high RTF_EXCESSIVE_HEXRTF contains ~6497KB of hex-encoded data inside \objdata sections — may hide a payload
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OLE object data medium RTF_OBJDATARTF contains 3 \objdata section(s) — embedded OLE objects
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Suspicious extracted artifact medium EXTRACTED_FILE_STATIC_TRIAGEOne 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.
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Embedded URL info EMBEDDED_URLOne 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://swetlanazhukova.ru/wp-content/themes/deal/alitalia.exe In RTF body
- http://schemas.microsoft.com/office/word/2003/wordmlIn RTF body
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
objdata_00_off0063f90d.bin |
rtf-objdata-decoded | RTF \objdata at offset 0x63F90D | 440 bytes |
SHA-256: ea5d234f81e7c6f4d2681a1e14ba35656c4caea1ff0358220f369a5f5b5ba6da |
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objdata_01_off00648123.bin |
rtf-objdata-decoded | RTF \objdata at offset 0x648123 | 4880 bytes |
SHA-256: c66c418585862289607a8a56ade0f731a24c2e14389ed72c994f38ade764419f |
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Detection
ClamAV:
No threats found
Obfuscation or payload:
likely
Static shellcode analysis found candidate code region(s). Indicators: SC_PEB_ACCESS
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objdata_02_off00650ae8.bin |
rtf-objdata-decoded | RTF \objdata at offset 0x650AE8 | 2353 bytes |
SHA-256: efc67427605ac702178de53f9d9379d7180885a26f5530c4c9d82f7b5b808e39 |
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