coldbraid

RedCurl

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.

ATT&CK ID
G1039
Origin
Russia
Techniques
32
Tools
0

Techniques

Resource Development

Develop Capabilities

Initial Access

Trusted RelationshipPhishing

Execution

Scheduled Task/JobCommand and Scripting InterpreterUser Execution

Persistence

Scheduled Task/JobBoot or Logon Autostart Execution

Privilege Escalation

Scheduled Task/JobBoot or Logon Autostart Execution

Stealth

Obfuscated Files or InformationMasqueradingIndicator RemovalIndirect Command ExecutionSystem Binary Proxy ExecutionHide Artifacts

Credential Access

OS Credential DumpingInput CaptureUnsecured CredentialsCredentials from Password Stores

Discovery

Network Service DiscoverySystem Information DiscoveryFile and Directory DiscoveryAccount Discovery

Lateral Movement

Taint Shared Content

Collection

Data from Local SystemData from Network Shared DriveInput CaptureEmail CollectionAutomated CollectionArchive Collected Data

Command and Control

Application Layer ProtocolWeb ServiceEncrypted Channel

Exfiltration

Automated ExfiltrationTransfer Data to Cloud Account