Hacker groupG0003
Cleaver
Also tracked as Threat Group 2889, TG-2889
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).
- Known attack methods
- 5
- Origin
- Iran
- Source
- MITRE ATT&CK
How they break in
Techniques MITRE has documented this group using, mapped onto the ATT&CK matrix. Each one is a behaviour you can look for in your own logs, and a control you can test.
Used by this groupNot documented for this groupIn brackets: sub-techniques this group uses, of those that exist.
Reconnaissance
12 techniques
Resource Development
9 techniques · 3 used
Initial Access
11 techniques
Execution
20 techniques
Persistence
22 techniques
Privilege Escalation
13 techniques
Stealth
30 techniques
Defense Impairment
18 techniques
Credential Access
17 techniques · 2 used
Discovery
34 techniques
Lateral Movement
9 techniques
Collection
17 techniques
Command and Control
18 techniques
Exfiltration
9 techniques
Impact
15 techniques
Resource development3
Credential access2
Malware
Families MITRE records this group deploying. Detection names for these are a reasonable place to start.
Net CrawlerTinyZBot
Tools
Legitimate or dual-use software the group is documented using. Most of it is software your own administrators use too, which is the point.
MimikatzPsExec