Malicious RTF / .DOC — malware analysis report

Static analysis result for SHA-256 c1011f916f1812fb…

MALICIOUS

RTF / .DOC

14.3 KB First seen: 2022-06-21
MD5: 4c66517e703cf9dc28dcf913e96e2fc9 SHA-1: 780a322170c91ecc4aca873e47022325b4b8342e SHA-256: c1011f916f1812fb6d5f35adbd8e202c612d964e262dc545940680b87dd486ed
60 Risk Score

Malware Insights

MITRE ATT&CK
T1059.001 PowerShell T1566.001 Spearphishing Attachment

The RTF document contains embedded OLE objects, indicated by the RTF_OBJDATA heuristic. The RTF_OBJUPDATE heuristic suggests that these objects are designed to be activated automatically, which is a common technique for delivering malicious payloads. The document body contains what appears to be a list of items with quantities, possibly a lure to disguise the malicious nature of the document. No scripts were extracted, and the specific payload or family could not be determined.

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.

FilenameKindSourceSize
objdata_00_off00001c50.bin
338e687c66514fc63c7bb6cd34b4746d3296f3f4ec1d6a1087d293efa51e12a1
rtf-objdata-decoded RTF \objdata at offset 0x1C50 2278 bytes