Malicious RTF / .DOC — malware analysis report

Static analysis result for SHA-256 554d1a65ac207d87…

MALICIOUS

RTF / .DOC

12.0 KB First seen: 2022-06-27
MD5: 768b7b5fcf454d1d7393e4f7230a40e2 SHA-1: 94de206263ddc5adcf9239999ec356f935fd25ff SHA-256: 554d1a65ac207d87c1f53230348ab3f4ae0d2a963e7601ac175e9411914547c2
60 Risk Score

Malware Insights

MITRE ATT&CK
T1059.001 PowerShell T1204.002 Malicious File

The RTF document contains OLE object data and an \objupdate directive, indicating an attempt to trigger OLE object activation. This is a common technique for embedding and executing malicious content, likely to download and run a secondary payload. The document body content is heavily obfuscated and does not provide clear instructions, making it difficult to determine the exact nature of the lure.

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_off00001e71.bin
c9a88266b5b7ac7f7872454841731a67d8a1eee675267e24be9fbff66083c3ad
rtf-objdata-decoded RTF \objdata at offset 0x1E71 1589 bytes