Mint Sandstorm - ManageEngine Suspicious Process Execution


Description

Detects suspicious execution from ManageEngine as seen used by Mint Sandstorm

Query · sigma

selection_parent_path:
  ParentImage|contains:
  - manageengine
  - ServiceDesk
selection_parent_image:
  ParentImage|contains: \java
selection_special_child_powershell_img:
  Image|endswith:
  - \powershell.exe
  - \powershell_ise.exe
selection_special_child_powershell_cli:
- CommandLine|contains:
  - ' echo '
  - -dumpmode
  - -ssh
  - .dmp
  - add-MpPreference
  - adscredentials
  - bitsadmin
  - certutil
  - csvhost.exe
  - DownloadFile
  - DownloadString
  - dsquery
  - ekern.exe
  - FromBase64String
  - 'iex '
  - iex(
  - Invoke-Expression
  - Invoke-WebRequest
  - localgroup administrators
  - o365accountconfiguration
  - samaccountname=
  - set-MpPreference
  - svhost.exe
  - System.IO.Compression
  - System.IO.MemoryStream
  - usoprivate
  - usoshared
  - whoami
- CommandLine|re: '[-/–][Ee^]{1,2}[ncodema^]*\s[A-Za-z0-9+/=]{15,}'
- CommandLine|re: net\s+user
- CommandLine|re: net\s+group
- CommandLine|re: query\ssession
selection_special_child_lsass_1:
  CommandLine|contains: lsass
selection_special_child_lsass_2:
  CommandLine|contains:
  - procdump
  - tasklist
  - findstr
selection_child_wget:
  Image|endswith: \wget.exe
  CommandLine|contains: http
selection_child_curl:
  Image|endswith: \curl.exe
  CommandLine|contains: http
selection_child_script:
  CommandLine|contains:
  - E:jscript
  - e:vbscript
selection_child_localgroup:
  CommandLine|contains|all:
  - localgroup Administrators
  - /add
selection_child_net:
  CommandLine|contains: net
  CommandLine|contains|all:
  - user
  - /add
selection_child_reg:
- CommandLine|contains|all:
  - reg add
  - DisableAntiSpyware
  - \Microsoft\Windows Defender
- CommandLine|contains|all:
  - reg add
  - DisableRestrictedAdmin
  - CurrentControlSet\Control\Lsa
selection_child_wmic_1:
  CommandLine|contains|all:
  - wmic
  - process call create
selection_child_wmic_2:
  CommandLine|contains|all:
  - wmic
  - delete
  - shadowcopy
selection_child_vssadmin:
  CommandLine|contains|all:
  - vssadmin
  - delete
  - shadows
selection_child_wbadmin:
  CommandLine|contains|all:
  - wbadmin
  - delete
  - catalog
filter_main:
  CommandLine|contains|all:
  - download.microsoft.com
  - manageengine.com
  - msiexec
condition: all of selection_parent_* and (all of selection_special_child_powershell_*
  or all of selection_special_child_lsass_* or 1 of selection_child_*) and not filter_main

Known false positives

  • Unlikely
Raw source Mint Sandstorm - ManageEngine Suspicious Process Execution · Sigma
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Published by SigmaHQ/sigma ↗, licensed under Detection Rule License 1.1 ↗. Reproduced here unmodified.
title: Mint Sandstorm - ManageEngine Suspicious Process Execution
id: 58d8341a-5849-44cd-8ac8-8b020413a31b
status: test
description: Detects suspicious execution from ManageEngine as seen used by Mint Sandstorm
references:
    - https://www.microsoft.com/en-us/security/blog/2023/04/18/nation-state-threat-actor-mint-sandstorm-refines-tradecraft-to-attack-high-value-targets/
author: Nasreddine Bencherchali (Nextron Systems), MSTIC (idea)
date: 2023-04-20
modified: 2025-10-19
tags:
    - attack.execution
    - detection.emerging-threats
logsource:
    category: process_creation
    product: windows
detection:
    selection_parent_path:
        ParentImage|contains:
            - 'manageengine'
            - 'ServiceDesk'
    selection_parent_image:
        ParentImage|contains: '\java'
    selection_special_child_powershell_img:
        Image|endswith:
            - '\powershell.exe'
            - '\powershell_ise.exe'
    selection_special_child_powershell_cli:
        - CommandLine|contains:
              - ' echo '
              - '-dumpmode'
              - '-ssh'
              - '.dmp'
              - 'add-MpPreference'
              - 'adscredentials'
              - 'bitsadmin'
              - 'certutil'
              - 'csvhost.exe'
              - 'DownloadFile'
              - 'DownloadString'
              - 'dsquery'
              - 'ekern.exe'
              - 'FromBase64String'
              - 'iex '
              - 'iex('
              - 'Invoke-Expression'
              - 'Invoke-WebRequest'
              - 'localgroup administrators'
              - 'o365accountconfiguration'
              - 'samaccountname='
              - 'set-MpPreference'
              - 'svhost.exe'
              - 'System.IO.Compression'
              - 'System.IO.MemoryStream'
              - 'usoprivate'
              - 'usoshared'
              - 'whoami'
        - CommandLine|re: '[-/–][Ee^]{1,2}[ncodema^]*\s[A-Za-z0-9+/=]{15,}'
        - CommandLine|re: 'net\s+user'
        - CommandLine|re: 'net\s+group'
        - CommandLine|re: 'query\ssession'
    selection_special_child_lsass_1:
        CommandLine|contains: 'lsass'
    selection_special_child_lsass_2:
        CommandLine|contains:
            - 'procdump'
            - 'tasklist'
            - 'findstr'
    selection_child_wget:
        Image|endswith: '\wget.exe'
        CommandLine|contains: 'http'
    selection_child_curl:
        Image|endswith: '\curl.exe'
        CommandLine|contains: 'http'
    selection_child_script:
        CommandLine|contains:
            - 'E:jscript'
            - 'e:vbscript'
    selection_child_localgroup:
        CommandLine|contains|all:
            - 'localgroup Administrators'
            - '/add'
    selection_child_net:
        CommandLine|contains: 'net' # Covers net1
        CommandLine|contains|all:
            - 'user'
            - '/add'
    selection_child_reg:
        - CommandLine|contains|all:
              - 'reg add'
              - 'DisableAntiSpyware'
              - '\Microsoft\Windows Defender'
        - CommandLine|contains|all:
              - 'reg add'
              - 'DisableRestrictedAdmin'
              - 'CurrentControlSet\Control\Lsa'
    selection_child_wmic_1:
        CommandLine|contains|all:
            - 'wmic'
            - 'process call create'
    selection_child_wmic_2:
        CommandLine|contains|all:
            - 'wmic'
            - 'delete'
            - 'shadowcopy'
    selection_child_vssadmin:
        CommandLine|contains|all:
            - 'vssadmin'
            - 'delete'
            - 'shadows'
    selection_child_wbadmin:
        CommandLine|contains|all:
            - 'wbadmin'
            - 'delete'
            - 'catalog'
    filter_main:
        CommandLine|contains|all:
            - 'download.microsoft.com'
            - 'manageengine.com'
            - 'msiexec'
    condition: all of selection_parent_* and (all of selection_special_child_powershell_* or all of selection_special_child_lsass_* or 1 of selection_child_*) and not filter_main
falsepositives:
    - Unlikely
level: critical

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