RTF / .DOC malware analysis — malicious · e30138cf8a6cc0b7

MALICIOUS

RTF / .DOC

11.3 KB

MD5: 52c4d75be4ecfd2c876c1bb215dafae4 SHA-1: 4ddee27fdb617b54822b9fd238d8e2cc74533438 SHA-256: e30138cf8a6cc0b701a0e5bec908a74d2a40b47ac3a1ff40418c095d946e30b9

60 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1204.002 Malicious File T1059.001 PowerShell

The sample is an RTF document containing OLE object data, indicated by the RTF_OBJDATA heuristic. The RTF_OBJUPDATE heuristic suggests that the embedded OLE object is designed to be automatically activated, which is a common technique for exploiting vulnerabilities in Microsoft Office applications. The document body is heavily obfuscated and does not provide clear textual clues about its intent. Without further script analysis or network indicators, the exact payload and delivery mechanism remain unclear, but the primary attack vector appears to be exploiting an Office vulnerability to trigger the execution of embedded malicious content.

Heuristics 2

\objupdate forces OLE activation high RTF_OBJUPDATE

RTF contains \objupdate — forces automatic OLE object instantiation when the document is opened, bypassing user interaction. Almost exclusively seen in Equation Editor exploit documents.
OLE object data medium RTF_OBJDATA

RTF contains 2 \objdata section(s) — embedded OLE objects

Extracted artifacts 1

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`objdata_00_off00001a81.bin` `fc885486b3f4e3fe6783263c12ac0cc331bc6bbaf334b06c669995650cdf9f8c`	rtf-objdata-decoded	RTF \objdata at offset 0x1A81	1516 bytes

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