Analysis Overview
SHA256
cdf0afcac0224a29fd1f7f02157a28f2ece5581a49fede543b337907af1d9288
Threat Level: Known bad
The file PlagueByKitty.exe was found to be: Known bad.
Malicious Activity Summary
Umbral
Detect Umbral payload
Umbral family
Drops file in Drivers directory
Command and Scripting Interpreter: PowerShell
Reads user/profile data of web browsers
Legitimate hosting services abused for malware hosting/C2
Looks up external IP address via web service
Unsigned PE
Views/modifies file attributes
Suspicious behavior: EnumeratesProcesses
Detects videocard installed
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Runs ping.exe
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-06-19 10:57
Signatures
Detect Umbral payload
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Umbral family
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-06-19 10:57
Reported
2024-06-19 10:57
Platform
win11-20240611-en
Max time kernel
34s
Max time network
38s
Command Line
Signatures
Detect Umbral payload
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Umbral
Command and Scripting Interpreter: PowerShell
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe | N/A |
Drops file in Drivers directory
| Description | Indicator | Process | Target |
| File opened for modification | C:\Windows\System32\drivers\etc\hosts | C:\Users\Admin\AppData\Local\Temp\PlagueByKitty.exe | N/A |
Reads user/profile data of web browsers
Legitimate hosting services abused for malware hosting/C2
| Description | Indicator | Process | Target |
| N/A | discord.com | N/A | N/A |
| N/A | discord.com | N/A | N/A |
Looks up external IP address via web service
| Description | Indicator | Process | Target |
| N/A | ip-api.com | N/A | N/A |
Detects videocard installed
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\System32\Wbem\wmic.exe | N/A |
Runs ping.exe
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\system32\PING.EXE | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\PlagueByKitty.exe | N/A |
| N/A | N/A | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe | N/A |
| N/A | N/A | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe | N/A |
| N/A | N/A | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe | N/A |
| N/A | N/A | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe | N/A |
| N/A | N/A | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe | N/A |
| N/A | N/A | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe | N/A |
| N/A | N/A | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe | N/A |
| N/A | N/A | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe | N/A |
| N/A | N/A | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe | N/A |
| N/A | N/A | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\PlagueByKitty.exe | N/A |
| Token: SeIncreaseQuotaPrivilege | N/A | C:\Windows\System32\Wbem\wmic.exe | N/A |
| Token: SeSecurityPrivilege | N/A | C:\Windows\System32\Wbem\wmic.exe | N/A |
| Token: SeTakeOwnershipPrivilege | N/A | C:\Windows\System32\Wbem\wmic.exe | N/A |
| Token: SeLoadDriverPrivilege | N/A | C:\Windows\System32\Wbem\wmic.exe | N/A |
| Token: SeSystemProfilePrivilege | N/A | C:\Windows\System32\Wbem\wmic.exe | N/A |
| Token: SeSystemtimePrivilege | N/A | C:\Windows\System32\Wbem\wmic.exe | N/A |
| Token: SeProfSingleProcessPrivilege | N/A | C:\Windows\System32\Wbem\wmic.exe | N/A |
| Token: SeIncBasePriorityPrivilege | N/A | C:\Windows\System32\Wbem\wmic.exe | N/A |
| Token: SeCreatePagefilePrivilege | N/A | C:\Windows\System32\Wbem\wmic.exe | N/A |
| Token: SeBackupPrivilege | N/A | C:\Windows\System32\Wbem\wmic.exe | N/A |
| Token: SeRestorePrivilege | N/A | C:\Windows\System32\Wbem\wmic.exe | N/A |
| Token: SeShutdownPrivilege | N/A | C:\Windows\System32\Wbem\wmic.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Windows\System32\Wbem\wmic.exe | N/A |
| Token: SeSystemEnvironmentPrivilege | N/A | C:\Windows\System32\Wbem\wmic.exe | N/A |
| Token: SeRemoteShutdownPrivilege | N/A | C:\Windows\System32\Wbem\wmic.exe | N/A |
| Token: SeUndockPrivilege | N/A | C:\Windows\System32\Wbem\wmic.exe | N/A |
| Token: SeManageVolumePrivilege | N/A | C:\Windows\System32\Wbem\wmic.exe | N/A |
| Token: 33 | N/A | C:\Windows\System32\Wbem\wmic.exe | N/A |
| Token: 34 | N/A | C:\Windows\System32\Wbem\wmic.exe | N/A |
| Token: 35 | N/A | C:\Windows\System32\Wbem\wmic.exe | N/A |
| Token: 36 | N/A | C:\Windows\System32\Wbem\wmic.exe | N/A |
| Token: SeIncreaseQuotaPrivilege | N/A | C:\Windows\System32\Wbem\wmic.exe | N/A |
| Token: SeSecurityPrivilege | N/A | C:\Windows\System32\Wbem\wmic.exe | N/A |
| Token: SeTakeOwnershipPrivilege | N/A | C:\Windows\System32\Wbem\wmic.exe | N/A |
| Token: SeLoadDriverPrivilege | N/A | C:\Windows\System32\Wbem\wmic.exe | N/A |
| Token: SeSystemProfilePrivilege | N/A | C:\Windows\System32\Wbem\wmic.exe | N/A |
| Token: SeSystemtimePrivilege | N/A | C:\Windows\System32\Wbem\wmic.exe | N/A |
| Token: SeProfSingleProcessPrivilege | N/A | C:\Windows\System32\Wbem\wmic.exe | N/A |
| Token: SeIncBasePriorityPrivilege | N/A | C:\Windows\System32\Wbem\wmic.exe | N/A |
| Token: SeCreatePagefilePrivilege | N/A | C:\Windows\System32\Wbem\wmic.exe | N/A |
| Token: SeBackupPrivilege | N/A | C:\Windows\System32\Wbem\wmic.exe | N/A |
| Token: SeRestorePrivilege | N/A | C:\Windows\System32\Wbem\wmic.exe | N/A |
| Token: SeShutdownPrivilege | N/A | C:\Windows\System32\Wbem\wmic.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Windows\System32\Wbem\wmic.exe | N/A |
| Token: SeSystemEnvironmentPrivilege | N/A | C:\Windows\System32\Wbem\wmic.exe | N/A |
| Token: SeRemoteShutdownPrivilege | N/A | C:\Windows\System32\Wbem\wmic.exe | N/A |
| Token: SeUndockPrivilege | N/A | C:\Windows\System32\Wbem\wmic.exe | N/A |
| Token: SeManageVolumePrivilege | N/A | C:\Windows\System32\Wbem\wmic.exe | N/A |
| Token: 33 | N/A | C:\Windows\System32\Wbem\wmic.exe | N/A |
| Token: 34 | N/A | C:\Windows\System32\Wbem\wmic.exe | N/A |
| Token: 35 | N/A | C:\Windows\System32\Wbem\wmic.exe | N/A |
| Token: 36 | N/A | C:\Windows\System32\Wbem\wmic.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe | N/A |
| Token: SeIncreaseQuotaPrivilege | N/A | C:\Windows\System32\Wbem\wmic.exe | N/A |
| Token: SeSecurityPrivilege | N/A | C:\Windows\System32\Wbem\wmic.exe | N/A |
| Token: SeTakeOwnershipPrivilege | N/A | C:\Windows\System32\Wbem\wmic.exe | N/A |
| Token: SeLoadDriverPrivilege | N/A | C:\Windows\System32\Wbem\wmic.exe | N/A |
| Token: SeSystemProfilePrivilege | N/A | C:\Windows\System32\Wbem\wmic.exe | N/A |
| Token: SeSystemtimePrivilege | N/A | C:\Windows\System32\Wbem\wmic.exe | N/A |
| Token: SeProfSingleProcessPrivilege | N/A | C:\Windows\System32\Wbem\wmic.exe | N/A |
| Token: SeIncBasePriorityPrivilege | N/A | C:\Windows\System32\Wbem\wmic.exe | N/A |
| Token: SeCreatePagefilePrivilege | N/A | C:\Windows\System32\Wbem\wmic.exe | N/A |
| Token: SeBackupPrivilege | N/A | C:\Windows\System32\Wbem\wmic.exe | N/A |
| Token: SeRestorePrivilege | N/A | C:\Windows\System32\Wbem\wmic.exe | N/A |
| Token: SeShutdownPrivilege | N/A | C:\Windows\System32\Wbem\wmic.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Windows\System32\Wbem\wmic.exe | N/A |
| Token: SeSystemEnvironmentPrivilege | N/A | C:\Windows\System32\Wbem\wmic.exe | N/A |
| Token: SeRemoteShutdownPrivilege | N/A | C:\Windows\System32\Wbem\wmic.exe | N/A |
| Token: SeUndockPrivilege | N/A | C:\Windows\System32\Wbem\wmic.exe | N/A |
| Token: SeManageVolumePrivilege | N/A | C:\Windows\System32\Wbem\wmic.exe | N/A |
Suspicious use of WriteProcessMemory
Views/modifies file attributes
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SYSTEM32\attrib.exe | N/A |
Processes
C:\Users\Admin\AppData\Local\Temp\PlagueByKitty.exe
"C:\Users\Admin\AppData\Local\Temp\PlagueByKitty.exe"
C:\Windows\System32\Wbem\wmic.exe
"wmic.exe" csproduct get uuid
C:\Windows\SYSTEM32\attrib.exe
"attrib.exe" +h +s "C:\Users\Admin\AppData\Local\Temp\PlagueByKitty.exe"
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
"powershell.exe" Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Local\Temp\PlagueByKitty.exe'
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
"powershell.exe" Set-MpPreference -DisableIntrusionPreventionSystem $true -DisableIOAVProtection $true -DisableRealtimeMonitoring $true -DisableScriptScanning $true -EnableControlledFolderAccess Disabled -EnableNetworkProtection AuditMode -Force -MAPSReporting Disabled -SubmitSamplesConsent NeverSend && powershell Set-MpPreference -SubmitSamplesConsent 2
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
"powershell.exe" Get-ItemPropertyValue -Path HKCU:SOFTWARE\Roblox\RobloxStudioBrowser\roblox.com -Name .ROBLOSECURITY
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
"powershell.exe" Get-ItemPropertyValue -Path HKLN:SOFTWARE\Roblox\RobloxStudioBrowser\roblox.com -Name .ROBLOSECURITY
C:\Windows\System32\Wbem\wmic.exe
"wmic.exe" os get Caption
C:\Windows\System32\Wbem\wmic.exe
"wmic.exe" computersystem get totalphysicalmemory
C:\Windows\System32\Wbem\wmic.exe
"wmic.exe" csproduct get uuid
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
"powershell.exe" Get-ItemPropertyValue -Path 'HKLM:System\CurrentControlSet\Control\Session Manager\Environment' -Name PROCESSOR_IDENTIFIER
C:\Windows\System32\Wbem\wmic.exe
"wmic" path win32_VideoController get name
C:\Windows\SYSTEM32\cmd.exe
"cmd.exe" /c ping localhost && del /F /A h "C:\Users\Admin\AppData\Local\Temp\PlagueByKitty.exe" && pause
C:\Windows\system32\PING.EXE
ping localhost
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | gstatic.com | udp |
| GB | 172.217.16.227:443 | gstatic.com | tcp |
| US | 8.8.8.8:53 | 8.8.8.8.in-addr.arpa | udp |
| US | 208.95.112.1:80 | ip-api.com | tcp |
| US | 208.95.112.1:80 | ip-api.com | tcp |
| US | 8.8.8.8:53 | discord.com | udp |
| US | 162.159.128.233:443 | discord.com | tcp |
| US | 8.8.8.8:53 | 55.36.223.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 43.43.201.23.in-addr.arpa | udp |
Files
memory/3620-0-0x00007FFB7B2A3000-0x00007FFB7B2A5000-memory.dmp
memory/3620-1-0x000001C6EE560000-0x000001C6EE5E2000-memory.dmp
memory/3620-2-0x00007FFB7B2A0000-0x00007FFB7BD62000-memory.dmp
memory/3364-11-0x00000255B5970000-0x00000255B5992000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_30oaskto.24z.ps1
| MD5 | d17fe0a3f47be24a6453e9ef58c94641 |
| SHA1 | 6ab83620379fc69f80c0242105ddffd7d98d5d9d |
| SHA256 | 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7 |
| SHA512 | 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82 |
memory/3364-12-0x00007FFB7B2A0000-0x00007FFB7BD62000-memory.dmp
memory/3364-13-0x00007FFB7B2A0000-0x00007FFB7BD62000-memory.dmp
memory/3364-14-0x00007FFB7B2A0000-0x00007FFB7BD62000-memory.dmp
memory/3364-17-0x00007FFB7B2A0000-0x00007FFB7BD62000-memory.dmp
C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\powershell.exe.log
| MD5 | 437395ef86850fbff98c12dff89eb621 |
| SHA1 | 9cec41e230fa9839de1e5c42b7dbc8b31df0d69c |
| SHA256 | 9c39f3e1ee674a289926fddddfc5549740c488686ec6513f53848a225c192ba6 |
| SHA512 | bc669893f5c97e80a62fc3d15383ed7c62ffc86bc986401735903019bb96a5f13e4d0f6356baa2021267503a4eb62681e58e28fcff435350e83aa425fa76cd64 |
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
| MD5 | 25fdee90fce7b0b96dc2ee97ec66834a |
| SHA1 | c32a6f1e3b1033bec69a5a41de255c98944dcdc9 |
| SHA256 | c433a9b0345ba06be0b2acc2fcb9d689f81837ada86b6fee2fb2b4b838d1ea6c |
| SHA512 | b76230cb1cee4dc3e434bc49b239525f4ea51f449b0587b828a8888c6ff54d26c5cd16219934dbe44d4f84057d8e77bbc458d71e55b10d79ef8d0eda74e7399d |
memory/3620-31-0x000001C6F0DB0000-0x000001C6F0E26000-memory.dmp
memory/3620-32-0x000001C6F0E30000-0x000001C6F0E80000-memory.dmp
memory/3620-33-0x000001C6F0D40000-0x000001C6F0D5E000-memory.dmp
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
| MD5 | db898457e05416e5098e24d21e280c05 |
| SHA1 | 1b55bb4b5b7f6141b3664b7799c09beb97b19d63 |
| SHA256 | 3c01e284788898cc05b5fd95ecb0ab3194249e66c1d909b328fe6641b76febab |
| SHA512 | 2cd8a2c160ce78348c55590c3e1fd627728e9833988b47f839eef5b43ac637c23a2900825ddab9c1bc31b15b4b4615fbbf6e63c41cfdf337b561645d8ad5059b |
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
| MD5 | 7332074ae2b01262736b6fbd9e100dac |
| SHA1 | 22f992165065107cc9417fa4117240d84414a13c |
| SHA256 | baea84fda6c1f13090b8cbd91c920848946f10ce155ef31a1df4cd453ee7e4aa |
| SHA512 | 4ae6f0e012c31ac1fc2ff4a8877ce2b4667c45b6e651de798318a39a2b6fd39a6f72dffa8b0b89b7a045a27d724d195656faa25a9fec79b22f37ddebb5d22da2 |
memory/3620-64-0x000001C6F02D0000-0x000001C6F02DA000-memory.dmp
memory/3620-65-0x000001C6F0EC0000-0x000001C6F0ED2000-memory.dmp
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
| MD5 | 337edf872320659358e7ff5657a9c0e6 |
| SHA1 | 9cd25be8cd93ca1066d3d838659b3fe69756142f |
| SHA256 | a373ef2d1ddd93760dba72bd8b33c5435a3e40b73db738dab04c16d579990d41 |
| SHA512 | 1e2672c5cc0c971c558064d9b174a5cd28e9d22c6cc23ce65d023ef4b16b83b9f260f4a759ad3e3eb3a17b24043107dd7e786b509f02366ad2a05b4450af9deb |
memory/3620-82-0x00007FFB7B2A0000-0x00007FFB7BD62000-memory.dmp