Query: alert when Detects the load of RstrtMgr DLL (Restart Manager) by a suspicious process. This library has been used during ransomware
Matching passage: Sigma rule: Detects the load of RstrtMgr DLL (Restart Manager) by a suspicious process. This library has been used during ransomware. Logsource: windows / image_load. Rule: title: Load Of RstrtMgr.DLL By A Suspicious Process id: b48492dc-c5ef-4572-8dff-32bc241c15c8 related: - id: 3669afd2-9891-4534-a626-e5cf03810a61 type: derived status: test description: 'Detects the load of RstrtMgr DLL (Restart Manager) by a suspicious process. This library has been used during ransomware campaigns to kill processes that would prevent file encryption by locking them (e.g. Conti ransomware, Cactus ransomware). It has also recently been seen used by the BiBi wiper for Windows. It could also be used for anti-analysis purposes by shut downing specific processes. ' references: - https://www.crowdstrike.com/blog/windows-restart-manager-part-1/ - https://www.crowdstrike.com/blog/windows-restart-manager-part-2/ - https://web.archive.org/web/20231221193106/https://www.swascan.com/cactus-ransomware-malware-analysis/ - https://taiwan.postsen.com/business/88601/Hamas-hackers-use-data-destruction-software-BiBi-which-consumes-a-lot-of-processor-resources-to-wipe-Windows-computer-data--iThome.html author: Luc Génaux date: 2023-11-28 tags: - attack.impact - attack.defense-impairment - attack.t1486 - attack.t1685 logsource: category: image_load product: windows detection: selection_img: - ImageLoaded|endswith: \RstrtMgr.dll - OriginalFileName: RstrtMgr.dll selection_folders_1: Image|contains: - :\Perflogs\ - :\Users\Public\ - \Temporary Internet selection_folders_2: - Image|contains|all: - :\Users\ - \Favorites\ - Image|contains|all: - :\Users\ - \Favourites\ - Image|contains|all: - :\Users\ - \Contacts\ condition: selection_img and 1 of selection_folders_* falsepositives: - Processes related to software installation level: high
Near-miss passage: Sigma rule: Adversaries may look for details about the network configuration and settings of systems they access or through informat. Logsource: windows / process_creation. Rule: title: HackTool - SharpView Execution id: b2317cfa-4a47-4ead-b3ff-297438c0bc2d related: - id: dcd74b95-3f36-4ed9-9598-0490951643aa type: similar status: test description: Adversaries may look for details about the network configuration and settings of systems they access or through information discovery of remote systems references: - https://github.com/tevora-threat/SharpView/ - https://github.com/PowerShellMafia/PowerSploit/blob/d943001a7defb5e0d1657085a77a0e78609be58f/Recon/PowerView.ps1 - https://github.com/redcanaryco/atomic-red-team/blob/f339e7da7d05f6057fdfcdd3742bfcf365fee2a9/atomics/T1049/T1049.md#atomic-test-4---system-discovery-using-sharpview author: frack113 date: 2021-12-10 modified: 2023-02-14 tags: - attack.discovery - attack.t1049 - attack.t1069.002 - attack.t1482 - attack.t1135 - attack.t1033 logsource: category: process_creation product: windows detection: selection: - OriginalFileName: SharpView.exe - Image|endswith: \SharpView.exe - CommandLine|contains: - Add-RemoteConnection - Convert-ADName - ConvertFrom-SID - ConvertFrom-UACValue - Convert-SidToName - Export-PowerViewCSV - Find-DomainObjectPropertyOutlier - Find-DomainProcess - Find-DomainShare - Find-DomainUserEvent - Find-DomainUserLocation - Find-ForeignGroup - Find-ForeignUser - Find-GPOComputerAdmin - Find-GPOLocation - Find-Interesting - Find-LocalAdminAccess - Find-ManagedSecurityGroups - Get-CachedRDPConnection - Get-DFSshare - Get-DomainComputer - Get-DomainController - Get-DomainDFSShare - Get-DomainDNSRecord - Get-DomainFileServer - Get-DomainForeign - Get-DomainGPO - Get-DomainGroup - Get-DomainGUIDMap - Get-DomainManagedSecurityGroup - Get-DomainObject - Get-DomainOU - Get-DomainPolicy - Get-DomainSID - Get-DomainSite - Get-DomainSPNTicket - Get-DomainSubnet - Get-DomainTrust - Get-DomainUserEvent - Get-ForestDomain - Get-ForestGlobalCatalog - Get-ForestTrust - Get-GptTmpl - Get-GroupsXML - Get-LastLoggedOn - Get-LoggedOnLocal - Get-NetComputer - Get-NetDomain - Get-NetFileServer - Get-NetForest - Get-NetGPO - Get-NetGroupMember - Get-NetLocalGroup - Get-NetLoggedon - Get-NetOU - Get-NetProcess - Get-NetRDPSession - Get-NetSession - Get-NetShare - Get-NetSite - Get-NetSubnet - Get-NetUser - Get-PathAcl - Get-PrincipalContext - Get-RegistryMountedDrive - Get-RegLoggedOn - Get-WMIRegCachedRDPConnection - Get-WMIRegLastLoggedOn - Get-WMIRegMountedDrive - Get-WMIRegProxy - Invoke-ACLScanner - Invoke-CheckLocalAdminAccess - Invoke-Kerberoast - Invoke-MapDomainTrust - Invoke