RTF malware analysis — malicious · 86bcfe56a3e46566

MALICIOUS

RTF

1.60 MB Authoring application: Msftedit 5.41.15.1515

MD5: 72a934bed7e9abdb34409c45f06614f3 SHA-1: e327efc85fc0c6377ad61141366ac95142c9bbc2 SHA-256: 86bcfe56a3e4656664782964064b742d104c8056bae00fb272b7295ad61ff3f3

302 Risk Score

Malware Insights

MITRE ATT&CK

T1559.001 Component Object Model Hijacking T1105 Ingress Tool Transfer

The RTF file contains a large amount of hex-encoded data within an OLE object, which has been identified as a PE header. This strongly suggests the RTF is a container for a malicious executable. ClamAV detections confirm this, identifying the embedded artifact as Win.Trojan.Turkojan. The presence of an embedded executable points to an Ingress Tool Transfer attack pattern.

Heuristics 8

PE header (with DOS stub) in hex data critical RTF_MZ_HEX

Hex-encoded PE (MZ + DOS stub) found inside RTF — likely an embedded executable payload
ClamAV: Win.Trojan.Turkojan-6953896-0 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Win.Trojan.Turkojan-6953896-0
ClamAV detection on extracted artifact critical EXTRACTED_FILE_CLAMAV

ClamAV flagged at least one file extracted from inside this sample. Even when the wrapping document carries no AV detection of its own, a hit on the carved artifact is a strong indicator the sample is a delivery vehicle.
Package object class high RTF_OBJCLASS_PACKAGE

OLE Package object — can wrap arbitrary files
Large hex data blocks in OLE object high RTF_EXCESSIVE_HEX

RTF contains ~1673KB of hex-encoded data inside \objdata sections — may hide a payload
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 info 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_off000000d3.bin` `f30820bae3ebb7d75330fd1a8ff0ebbc415daa443b2bb022857ebc3ddeda847b`	rtf-objdata-decoded	RTF \objdata at offset 0xD3	816045 bytes
Detection ClamAV: Win.Trojan.Turkojan-6953896-0 Obfuscation or payload: likely Carved artifact entropy is 7.89, consistent with packed or encrypted content.

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