Malicious RTF / .DOC — malware analysis report

Static analysis result for SHA-256 8b5eb6f236407581…

MALICIOUS

RTF / .DOC

18.8 KB
MD5: 701a896ea77f3f0f1bdb31c6b10fe4ec SHA-1: b7aced5fc15f5d6ec2e3fcdbd33be2f57d167799 SHA-256: 8b5eb6f236407581c214f8f2717e2376bb3ee2a00295e8be366aa798fdec2f0b
60 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1204.002 Malicious File T1059.001 PowerShell

The RTF document contains OLE object data and an \objupdate directive, indicating it's designed to exploit OLE object activation. This technique is commonly used to embed and execute malicious code, often to download and run a second-stage payload. The specific nature of the payload cannot be determined from the provided evidence.

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_off00001f47.bin
639ed86d1b3291285e06583784ffbef91232c833f2a98fa069be42b07b35a2cc
rtf-objdata-decoded RTF \objdata at offset 0x1F47 1879 bytes