Malicious RTF / .DOC — malware analysis report

Static analysis result for SHA-256 30096d5c8c485431…

MALICIOUS

RTF / .DOC

763.3 KB
MD5: 2ac91d79a602fe37092bd6f878f4ae2d SHA-1: dfebe627e262e9edf9ee1fe2ebc706f4bd1356d3 SHA-256: 30096d5c8c4854311558a13ab825884fa3accfb27de30f3e2ba85e70bf0f6ab7
80 Risk Score

Malware Insights

MITRE ATT&CK
T1204 Malicious Link T1204.002 Malicious Link: Malicious File T1566 Phishing T1566.001 Phishing: Spearphishing Attachment T1059 Command and Scripting Interpreter T1059.005 Command and Scripting Interpreter: Visual Basic

The RTF document contains OLE object data and an \objupdate directive, indicating an attempt to embed and activate an OLE object. The document body provides a lure related to financial auditing to encourage users to enable editing and macros. This combination suggests the file is designed to exploit user trust and bypass security measures to execute a malicious payload.

Heuristics 3

  • \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 1 \objdata section(s) — embedded OLE objects
  • Macro/content-enable lure medium SE_ENABLE_LURE
    Document instructs the user to enable macros or editing — a common technique used by malware droppers to bypass Office macro security settings

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
objdata_00_off000063be.bin
9b036f2ebcdbd5f7522e715aa14b6f9d5a810134c21e6a976edea3e11f0088cc
rtf-objdata-decoded RTF \objdata at offset 0x63BE 4225 bytes