RTF malware analysis — malicious · c5e0733134b4372e

MALICIOUS

RTF

3.7 KB First seen: 2020-09-04

MD5: 6baa163a8620c332456db077fbc13c91 SHA-1: 4e194929cee3e2872ab4c3b5fe27d4763edaadcf SHA-256: c5e0733134b4372e73825c64ba86862c17e1e67ce902910ca7d8c13e64ebeca1

100 Risk Score

Malware Insights

MITRE ATT&CK

T1203 Exploitation for Client Execution T1566.001 Spearphishing Attachment

The RTF document contains embedded OLE object data which is triggered for activation via \objupdate. This suggests an attempt to exploit a vulnerability, likely leading to the execution of embedded shellcode found within the objdata artifact. The document body consists of seemingly random numbers, offering no contextual lure.

Heuristics 4

\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
Suspicious extracted artifact medium EXTRACTED_FILE_STATIC_TRIAGE

One or more files extracted from inside this sample matched static suspicious-content checks such as script obfuscation, encoded payload blobs, packed data, or execution/download terms.

Extracted artifacts 1

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`objdata_00_off0000007d.bin`	rtf-objdata-decoded	RTF \objdata at offset 0x7D	1657 bytes
SHA-256: `8a970d5c2c3b0fabc17adf85b7dc594c1ef05ca8f13c8f4446b154ec921908dc`
Detection ClamAV: No threats found Obfuscation or payload: likely Static shellcode analysis found candidate code region(s). Indicators: SC_GETPC_CALL

Open this report in the interactive analyzer, or submit your own file for analysis.