GINC-APT-0080 · State

Cleaver

Also Cutting Kitten, Alibaba, APT 34, APT34, ATK40, Cobalt Gypsy and 20 other names.

Category
State · Attributed to a state or working for one.
Origin
Iran(high confidence)
Sponsor
State-sponsored, security company ITSecTeam
Agency named
Islamic Revolutionary Guard Corps
Motivation
Denial of service; Espionage; Information theft and espionage
Seen
2012–2026
Status
Active
ATT&CK
G0003 · 5 techniques
Sources
9 sources carry it
Identifier
GINC-APT-0080 · cleaver

What it is

Cleaver is a threat group that has been attributed to Iranian actors and is responsible for activity tracked as Operation Cleaver. Strong circumstantial evidence suggests Cleaver is linked to Threat Group 2889 (TG-2889).

Names

The names each vendor, agency and source gives it. Naming differs by who tracks the actor, so one group carries many.

CrowdStrike
Cutting Kitten, HELIX KITTEN, Twisted Kitten
Mandiant
APT 34, APT34
Microsoft
Hazel Sandstorm
MITRE ATT&CK
G0003
Proofpoint
TA452
Secureworks
TG-2889
Thales
ATK40
Trend Micro
Earth Simnavaz
Operations
Operation Cleaver, Operation “Cleaver”
Other names
Alibaba, Cobalt Gypsy, Crambus, Cutting Kitten, TG-2889, EUROPIUM, Evasive Serpens, IRN2, ITsecTeam, OilRig, Op Cleaver, SOLAR ION, Tarh Andishan, Threat Group 2889

Attribution

Each attribution is a claim: who makes it, and to whom. Western and Eastern sources are kept apart, as they often disagree.

Targets

Countries
AT&T, Bank of America, BB&T, Canada, Capital One, China, Citigroup, Fifth Third Bank, France, Germany, HSBC, India, Israel, Kuwait, Lebanon, Mexico, Middle East, Netherlands, NYSE, Pakistan, PNC, Qatar, Saudi Arabia, South Korea, Türkiye, United Arab Emirates, United Kingdom, United States, US Bancorp, Wells Fargo
Sectors
Academia - University, Aerospace, Aviation, Chemical, Civil society, Defense, Education, Energy, Engineering, Finance, Financial, Government, Government, Administration, Healthcare, Oil and gas, Other, Private sector, Technology, Telecommunications, Telecoms, Transportation, Utilities

Tools

The tools and malware families the sources tie to it.

  • Arabian-Attacker RAT
  • Cyber Eye RAT
  • CyberGate
  • Mimikatz
  • Net Crawler
  • PsExec
  • RTM
  • TinyZBot
  • Xploit

Sources