Malicious RTF / .DOC — malware analysis report

Static analysis result for SHA-256 2f853c03b1414223…

MALICIOUS

RTF / .DOC

2.8 KB First seen: 2023-08-04
MD5: 2eba4840428e1ed26f9178e313ac41ba SHA-1: e74e26a6a0f5ad8c649295d1208992555af01cda SHA-256: 2f853c03b141422300dcbf4b9711ad9ba908882b2592d06c58f3114d8d98fdaa
60 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1204.002 Malicious File

The RTF document contains OLE object data and an \objupdate directive, indicating an attempt to exploit a vulnerability when the object is activated. This suggests a malicious document designed to deliver a payload, though the specific exploit and payload are not detailed in the provided evidence. No document body text or scripts were extracted to further clarify the attack.

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 1 \objdata section(s) — embedded OLE objects

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
objdata_00_off00000084.bin
5b5ac2c3427bdc335f096aab09ae43244141db536976516c5fdf435b224c0685
rtf-objdata-decoded RTF \objdata at offset 0x84 1329 bytes