HackTool - HandleKatz LSASS Dumper Execution

Severity: high
Author: Florian Roth (Nextron Systems)
Source: upstream

Detects the use of HandleKatz, a tool that demonstrates the usage of cloned handles to Lsass in order to create an obfuscated memory dump of the same

MITRE ATT&CK coverage

Tactic	Techniques
Credential Access	`T1003.001` OS Credential Dumping: LSASS Memory

Event coverage

Provider	Event ID	Title
Sysmon	1	Process creation

Stages and Predicates

Stage 1: `1 of selection_loader_img`

CommandLine|contains: '--pid:'
Image|endswith: '\loader.exe'

Stage 2: `1 of selection_loader_imphash`

or:
Hashes|contains: 'IMPHASH=0E2216679CA6E1094D63322E3412D650'
Hashes|contains: 'IMPHASH=38D9E015591BBFD4929E0D0F47FA0055'

Stage 3: `1 of selection_flags`

or:
CommandLine|contains: .dmp
CommandLine|contains: .obf
CommandLine|contains: dump
CommandLine|contains: lsass
CommandLine|contains: '--outfile:'
CommandLine|contains: '--pid:'

Indicators

Each row is a field, operator, and value that the rule matches. The corpus column counts how many other rules in the catalog look for the same combination: high numbers point to widely-used, community-vetted indicators. Blank or 1 shows that the indicator is specific to this rule.

Field	Kind	Values
`CommandLine`	match	`--outfile:` `--pid:` `.dmp` corpus 6 (sigma 6) `.obf` `dump` `lsass` corpus 4 (sigma 4)
`Hashes`	match	`IMPHASH=0E2216679CA6E1094D63322E3412D650` corpus 3 (sigma 3) `IMPHASH=38D9E015591BBFD4929E0D0F47FA0055` corpus 3 (sigma 3)
`Image`	ends_with	`\loader.exe`