HackTool - UACMe Akagi Execution

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

Detects the execution of UACMe, a tool used for UAC bypasses, via default PE metadata

MITRE ATT&CK coverage

Tactic	Techniques
Privilege Escalation	`T1548.002` Abuse Elevation Control Mechanism: Bypass User Account Control
Defense Evasion	`T1548.002` Abuse Elevation Control Mechanism: Bypass User Account Control

Event coverage

Provider	Event ID	Title
Sysmon	1	Process creation

Stages and Predicates

Stage 1: `1 of selection_pe`

or:
Company: 'APT 92'
Company: 'CD Project Rekt'
Company: 'Hazardous Environments'
Company: 'REvol Corp'
Company: 'UG North'
Description: 'Pentesting utility'
Description: 'UACMe main module'
OriginalFileName: Akagi.exe
OriginalFileName: Akagi64.exe
Product: UACMe

Stage 2: `1 of selection_img`

or:
Image|endswith: '\Akagi.exe'
Image|endswith: '\Akagi64.exe'

Stage 3: `1 of selection_hashes_sysmon`

or:
Hashes|contains: 'IMPHASH=14C4E4C72BA075E9069EE67F39188AD8'
Hashes|contains: 'IMPHASH=3C782813D4AFCE07BBFC5A9772ACDBDC'
Hashes|contains: 'IMPHASH=3DE09703C8E79ED2CA3F01074719906B'
Hashes|contains: 'IMPHASH=41923EA1F824FE63EA5BEB84DB7A3E74'
Hashes|contains: 'IMPHASH=5834ED4291BDEB928270428EBBAF7604'
Hashes|contains: 'IMPHASH=5A8A8A43F25485E7EE1B201EDCBC7A38'
Hashes|contains: 'IMPHASH=6F33F4A5FC42B8CEC7314947BD13F30F'
Hashes|contains: 'IMPHASH=767637C23BB42CD5D7397CF58B0BE688'
Hashes|contains: 'IMPHASH=7D010C6BB6A3726F327F7E239166D127'
Hashes|contains: 'IMPHASH=89159BA4DD04E4CE5559F132A9964EB3'
Hashes|contains: 'IMPHASH=DC7D30B90B2D8ABF664FBED2B1B59894'

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
`Company`	eq	`APT 92` `CD Project Rekt` `Hazardous Environments` `REvol Corp` `UG North`
`Description`	eq	`Pentesting utility` `UACMe main module`
`Hashes`	match	`IMPHASH=14C4E4C72BA075E9069EE67F39188AD8` corpus 3 (sigma 3) `IMPHASH=3C782813D4AFCE07BBFC5A9772ACDBDC` corpus 3 (sigma 3) `IMPHASH=3DE09703C8E79ED2CA3F01074719906B` corpus 3 (sigma 3) `IMPHASH=41923EA1F824FE63EA5BEB84DB7A3E74` corpus 3 (sigma 3) `IMPHASH=5834ED4291BDEB928270428EBBAF7604` corpus 3 (sigma 3) `IMPHASH=5A8A8A43F25485E7EE1B201EDCBC7A38` corpus 3 (sigma 3) `IMPHASH=6F33F4A5FC42B8CEC7314947BD13F30F` corpus 3 (sigma 3) `IMPHASH=767637C23BB42CD5D7397CF58B0BE688` corpus 3 (sigma 3) `IMPHASH=7D010C6BB6A3726F327F7E239166D127` corpus 3 (sigma 3) `IMPHASH=89159BA4DD04E4CE5559F132A9964EB3` corpus 3 (sigma 3) `IMPHASH=DC7D30B90B2D8ABF664FBED2B1B59894` corpus 3 (sigma 3)
`Image`	ends_with	`\Akagi.exe` corpus 2 (sigma 2) `\Akagi64.exe` corpus 2 (sigma 2)
`OriginalFileName`	eq	`Akagi.exe` `Akagi64.exe`
`Product`	eq	`UACMe`