coldbraid

NIMBUS MANTICORE

NIMBUS MANTICORE is a State Sponsored cyber espionage group associated with the Iranian Regime specifically the Iranian Revolutionary Guard Corps (IRGC). NIMBUS MANTICORE has employed social engineering attacks to include HR related themes and has leveraged custom malware against its victims. NIMBUS MANTICORE has sought sensitive information in victims’ environments to include network/IT documentation, intellectual property and emails. NIMBUS MANTICORE has also leveraged compromised organizations as pivot points to access other organizations of interest. NIMBUS MANTICORE has been active since 2021 and has…

ATT&CK ID
G1059
Techniques
45
Tools
13

Also tracked as UNC1549 · TA455 · COBALT SMOKEY

Techniques

Reconnaissance

Gather Victim Org InformationPhishing for Information

Resource Development

Acquire InfrastructureEstablish AccountsDevelop CapabilitiesObtain CapabilitiesStage CapabilitiesGenerate Content

Initial Access

Valid AccountsTrusted RelationshipPhishing

Execution

Windows Management InstrumentationScheduled Task/JobCommand and Scripting InterpreterSoftware Deployment ToolsNative APIUser ExecutionHijack Execution Flow

Persistence

Scheduled Task/JobValid AccountsAccount ManipulationCreate AccountBoot or Logon Autostart Execution

Privilege Escalation

Scheduled Task/JobValid AccountsAccount ManipulationBoot or Logon Autostart Execution

Stealth

Obfuscated Files or InformationMasqueradingIndicator RemovalValid AccountsHijack Execution FlowDelay ExecutionSocial Engineering

Defense Impairment

Disable or Modify Tools

Credential Access

OS Credential DumpingBrute ForceUnsecured CredentialsSteal or Forge Kerberos TicketsSteal or Forge Authentication Certificates

Discovery

System Service DiscoveryNetwork Service DiscoverySystem Network Connections DiscoveryProcess DiscoveryAccount Discovery

Lateral Movement

Remote ServicesSoftware Deployment ToolsInternal SpearphishingRemote Service Session Hijacking

Collection

Data from Network Shared DriveEmail CollectionData from Information Repositories

Command and Control

Application Layer ProtocolIngress Tool Transfer

Software

CRASHPAD · DCSYNCER.SLICK · DEEPROOT · LIGHTRAIL · MiniBike · MiniBrowse · MiniBus · MiniFast · MiniJunk · POLLBLEND · SIGHTGRAB · TRUSTTRAP · TWOSTROKE