Malicious RTF / .DOC — malware analysis report

Static analysis result for SHA-256 01387012295f6839…

MALICIOUS

RTF / .DOC

3.2 KB First seen: 2023-10-17
MD5: 1127ea3761c05f4922afe99b82449caf SHA-1: 276b0e437756db57a095639ea7197b644184de1d SHA-256: 01387012295f6839e3e0c37ddabbb11481c95dfc304723c326962a5359c99316
80 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 it attempts to exploit a vulnerability to activate embedded content. 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 1 \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_off0000007c.bin
6104a2334ffb0467cd541984bc85c31fa0249e39238d0325b5eecf69dfba169c
rtf-objdata-decoded RTF \objdata at offset 0x7C 1556 bytes