sigmahighHunting

Kavremover Dropped Binary LOLBIN Usage

Detects the execution of a signed binary dropped by Kaspersky Lab Products Remover (kavremover) which can be abused as a LOLBIN to execute arbitrary commands and binaries.

MITRE ATT&CK

T1127

defense-evasion

Detection Query

selection:
  CommandLine|contains: " run run-cmd "
filter_main_legit_parents:
  ParentImage|endswith:
    - \cleanapi.exe
    - \kavremover.exe
condition: selection and not 1 of filter_main_*

Author

Nasreddine Bencherchali (Nextron Systems)

Created

2022-11-01

Data Sources

windowsProcess Creation Events

Platforms

windows

References

https://nasbench.medium.com/lolbined-using-kaspersky-endpoint-security-kes-installer-to-execute-arbitrary-commands-1c999f1b7fea

Tags

attack.defense-evasionattack.t1127

Raw Content

title: Kavremover Dropped Binary LOLBIN Usage
id: d047726b-c71c-4048-a99b-2e2f50dc107d
status: test
description: Detects the execution of a signed binary dropped by Kaspersky Lab Products Remover (kavremover) which can be abused as a LOLBIN to execute arbitrary commands and binaries.
references:
    - https://nasbench.medium.com/lolbined-using-kaspersky-endpoint-security-kes-installer-to-execute-arbitrary-commands-1c999f1b7fea
author: Nasreddine Bencherchali (Nextron Systems)
date: 2022-11-01
tags:
    - attack.defense-evasion
    - attack.t1127
logsource:
    product: windows
    category: process_creation
detection:
    selection:
        CommandLine|contains: ' run run-cmd '
    filter_main_legit_parents:
        ParentImage|endswith:
            - '\cleanapi.exe' # When launched from KES installer
            - '\kavremover.exe' # When launched from kavremover.exe
    condition: selection and not 1 of filter_main_*
falsepositives:
    - Unknown
level: high