Malicious RTF / .DOC — malware analysis report

Static analysis result for SHA-256 7ed143af06c6d44c…

MALICIOUS

RTF / .DOC

228.7 KB
MD5: 2b24ad8292a7db0e34918af97b523726 SHA-1: 4913a9d696602b82145ce612a736ad83b2fd6f4b SHA-256: 7ed143af06c6d44c98de7296a417058b07dba87ae2e22b9e55952abb49296f8f
159 Risk Score

Malware Insights

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

The RTF document contains embedded OLE objects, and a ".objupdate" directive is present, indicating an attempt to automatically activate and execute the embedded object. This is a common technique for delivering malicious payloads. No specific family could be identified from the available heuristics.

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 2 \objdata section(s) — embedded OLE objects
  • Embedded OLE object medium RTF_OBJEMB
    RTF contains \objemb — embedded OLE object

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
objdata_00_off0000166e.bin
68421cabf08ca742617167eccf69484e611122d4d9927cae82b82b70670fcf35
rtf-objdata-decoded RTF \objdata at offset 0x166E 4181 bytes