Hacker groupG1043

BlackByte

Also tracked as Hecamede

BlackByte is a ransomware threat actor operating since at least 2021. BlackByte is associated with several versions of ransomware also labeled BlackByte Ransomware. BlackByte ransomware operations initially used a common encryption key allowing for the development of a universal decryptor, but subsequent versions such as BlackByte 2.0 Ransomware use more robust encryption mechanisms. BlackByte is notable for operations targeting critical infrastructure entities among other targets across North America.

Known attack methods
48
First seen
2021
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.

Credential access1

Malware

Families MITRE records this group deploying. Detection names for these are a reasonable place to start.

BlackByte 2.0 RansomwareBlackByte RansomwareCobalt StrikeExbyte

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.

AdFindArpMimikatzPsExec