RedCurl — ATT&CK profile

Overview

RedCurl is a threat actor active since 2018 notable for corporate espionage targeting a variety of locations, including Ukraine, Canada and the United Kingdom, and a variety of industries, including but not limited to travel agencies, insurance companies, and banks. RedCurl is allegedly a Russian-speaking threat actor. The group’s operations typically start with spearphishing emails to gain initial access, then the group executes discovery and collection commands and scripts to find corporate data. The group concludes operations by exfiltrating files to the C2 servers.

TTPs — 41 techniques across 11 tactics

Resource Development

T1587.001 Malware

Initial Access

Discovery

Lateral Movement

T1080 Taint Shared Content

Collection

Command and Control

T1071.001 Web Protocols
T1102 Web Service
T1573.001 Symmetric Cryptography
T1573.002 Asymmetric Cryptography

Exfiltration

T1020 Automated Exfiltration
T1537 Transfer Data to Cloud Account

Reporting (2)

RedCurl: The Awakening — Group-IB
RedCurl: The Pentest You Didn’t Know About — Group-IB