Analysis Overview
SHA256
16015088c3352a8257f420555e7ce6245aa0e6682deeca79bf7e08c24e1ac3de
Threat Level: Known bad
The file nursultan nexgen fix.exe was found to be: Known bad.
Malicious Activity Summary
DcRat
Dcrat family
DCRat payload
Process spawned unexpected child process
DCRat payload
Disables Task Manager via registry modification
Reads user/profile data of web browsers
Executes dropped EXE
Checks computer location settings
Loads dropped DLL
Drops file in Windows directory
Drops file in Program Files directory
Enumerates physical storage devices
Unsigned PE
Creates scheduled task(s)
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: EnumeratesProcesses
Uses Task Scheduler COM API
Modifies registry key
Modifies registry class
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-05-31 15:45
Signatures
DCRat payload
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Dcrat family
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral2
Detonation Overview
Submitted
2024-05-31 15:45
Reported
2024-05-31 15:48
Platform
win10v2004-20240426-en
Max time kernel
138s
Max time network
150s
Command Line
Signatures
DcRat
Process spawned unexpected child process
| Description | Indicator | Process | Target |
| Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process | N/A | C:\Windows\system32\schtasks.exe | |
| Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process | N/A | C:\Windows\system32\schtasks.exe | |
| Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process | N/A | C:\Windows\system32\schtasks.exe | |
| Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process | N/A | C:\Windows\system32\schtasks.exe | |
| Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process | N/A | C:\Windows\system32\schtasks.exe | |
| Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process | N/A | C:\Windows\system32\schtasks.exe | |
| Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process | N/A | C:\Windows\system32\schtasks.exe | |
| Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process | N/A | C:\Windows\system32\schtasks.exe | |
| Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process | N/A | C:\Windows\system32\schtasks.exe | |
| Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process | N/A | C:\Windows\system32\schtasks.exe | |
| Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process | N/A | C:\Windows\system32\schtasks.exe | |
| Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process | N/A | C:\Windows\system32\schtasks.exe | |
| Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process | N/A | C:\Windows\system32\schtasks.exe | |
| Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process | N/A | C:\Windows\system32\schtasks.exe | |
| Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process | N/A | C:\Windows\system32\schtasks.exe | |
| Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process | N/A | C:\Windows\system32\schtasks.exe | |
| Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process | N/A | C:\Windows\system32\schtasks.exe | |
| Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process | N/A | C:\Windows\system32\schtasks.exe |
DCRat payload
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
Disables Task Manager via registry modification
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-3906287020-2915474608-1755617787-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\nursultan nexgen fix.exe | N/A |
| Key value queried | \REGISTRY\USER\S-1-5-21-3906287020-2915474608-1755617787-1000\Control Panel\International\Geo\Nation | C:\Windows\SysWOW64\WScript.exe | N/A |
| Key value queried | \REGISTRY\USER\S-1-5-21-3906287020-2915474608-1755617787-1000\Control Panel\International\Geo\Nation | C:\portagentbrowserweb\Containerruntime.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\portagentbrowserweb\Containerruntime.exe | N/A |
| N/A | N/A | C:\Windows\SystemApps\Microsoft.MicrosoftEdgeDevToolsClient_8wekyb3d8bbwe\pris\Idle.exe | N/A |
Reads user/profile data of web browsers
Drops file in Program Files directory
| Description | Indicator | Process | Target |
| File created | C:\Program Files\Microsoft Office\Updates\Apply\FilesInUse\49CB5E59-6A76-4B6E-9CC1-BDE0FDD9FEE2\StartMenuExperienceHost.exe | C:\portagentbrowserweb\Containerruntime.exe | N/A |
| File created | C:\Program Files\Microsoft Office\Updates\Apply\FilesInUse\49CB5E59-6A76-4B6E-9CC1-BDE0FDD9FEE2\55b276f4edf653 | C:\portagentbrowserweb\Containerruntime.exe | N/A |
| File created | C:\Program Files (x86)\Windows Defender\fr-FR\fontdrvhost.exe | C:\portagentbrowserweb\Containerruntime.exe | N/A |
| File created | C:\Program Files (x86)\Windows Defender\fr-FR\5b884080fd4f94 | C:\portagentbrowserweb\Containerruntime.exe | N/A |
| File created | C:\Program Files\Uninstall Information\System.exe | C:\portagentbrowserweb\Containerruntime.exe | N/A |
| File created | C:\Program Files\Uninstall Information\27d1bcfc3c54e0 | C:\portagentbrowserweb\Containerruntime.exe | N/A |
Drops file in Windows directory
| Description | Indicator | Process | Target |
| File created | C:\Windows\uk-UA\TrustedInstaller.exe | C:\portagentbrowserweb\Containerruntime.exe | N/A |
| File created | C:\Windows\uk-UA\04c1e7795967e4 | C:\portagentbrowserweb\Containerruntime.exe | N/A |
| File created | C:\Windows\SystemApps\Microsoft.MicrosoftEdgeDevToolsClient_8wekyb3d8bbwe\pris\Idle.exe | C:\portagentbrowserweb\Containerruntime.exe | N/A |
| File opened for modification | C:\Windows\SystemApps\Microsoft.MicrosoftEdgeDevToolsClient_8wekyb3d8bbwe\pris\Idle.exe | C:\portagentbrowserweb\Containerruntime.exe | N/A |
| File created | C:\Windows\SystemApps\Microsoft.MicrosoftEdgeDevToolsClient_8wekyb3d8bbwe\pris\6ccacd8608530f | C:\portagentbrowserweb\Containerruntime.exe | N/A |
Enumerates physical storage devices
Creates scheduled task(s)
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\system32\schtasks.exe | N/A |
| N/A | N/A | C:\Windows\system32\schtasks.exe | N/A |
| N/A | N/A | C:\Windows\system32\schtasks.exe | N/A |
| N/A | N/A | C:\Windows\system32\schtasks.exe | N/A |
| N/A | N/A | C:\Windows\system32\schtasks.exe | N/A |
| N/A | N/A | C:\Windows\system32\schtasks.exe | N/A |
| N/A | N/A | C:\Windows\system32\schtasks.exe | N/A |
| N/A | N/A | C:\Windows\system32\schtasks.exe | N/A |
| N/A | N/A | C:\Windows\system32\schtasks.exe | N/A |
| N/A | N/A | C:\Windows\system32\schtasks.exe | N/A |
| N/A | N/A | C:\Windows\system32\schtasks.exe | N/A |
| N/A | N/A | C:\Windows\system32\schtasks.exe | N/A |
| N/A | N/A | C:\Windows\system32\schtasks.exe | N/A |
| N/A | N/A | C:\Windows\system32\schtasks.exe | N/A |
| N/A | N/A | C:\Windows\system32\schtasks.exe | N/A |
| N/A | N/A | C:\Windows\system32\schtasks.exe | N/A |
| N/A | N/A | C:\Windows\system32\schtasks.exe | N/A |
| N/A | N/A | C:\Windows\system32\schtasks.exe | N/A |
Modifies registry class
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\USER\S-1-5-21-3906287020-2915474608-1755617787-1000_Classes\Local Settings | C:\Users\Admin\AppData\Local\Temp\nursultan nexgen fix.exe | N/A |
Modifies registry key
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\reg.exe | N/A |
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SystemApps\Microsoft.MicrosoftEdgeDevToolsClient_8wekyb3d8bbwe\pris\Idle.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\portagentbrowserweb\Containerruntime.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Windows\SystemApps\Microsoft.MicrosoftEdgeDevToolsClient_8wekyb3d8bbwe\pris\Idle.exe | N/A |
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
Processes
C:\Users\Admin\AppData\Local\Temp\nursultan nexgen fix.exe
"C:\Users\Admin\AppData\Local\Temp\nursultan nexgen fix.exe"
C:\Windows\SysWOW64\WScript.exe
"C:\Windows\System32\WScript.exe" "C:\portagentbrowserweb\WRLLAAz5wgYRSh1EMNi6f5aM.vbe"
C:\Windows\SysWOW64\cmd.exe
C:\Windows\system32\cmd.exe /c ""C:\portagentbrowserweb\6X9rFgrS3wv5iM7PLkmLFP1j.bat" "
C:\portagentbrowserweb\Containerruntime.exe
"C:\portagentbrowserweb\Containerruntime.exe"
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "IdleI" /sc MINUTE /mo 10 /tr "'C:\Windows\SystemApps\Microsoft.MicrosoftEdgeDevToolsClient_8wekyb3d8bbwe\pris\Idle.exe'" /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "Idle" /sc ONLOGON /tr "'C:\Windows\SystemApps\Microsoft.MicrosoftEdgeDevToolsClient_8wekyb3d8bbwe\pris\Idle.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "IdleI" /sc MINUTE /mo 10 /tr "'C:\Windows\SystemApps\Microsoft.MicrosoftEdgeDevToolsClient_8wekyb3d8bbwe\pris\Idle.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "servicess" /sc MINUTE /mo 6 /tr "'C:\Users\Default User\services.exe'" /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "services" /sc ONLOGON /tr "'C:\Users\Default User\services.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "servicess" /sc MINUTE /mo 8 /tr "'C:\Users\Default User\services.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "SystemS" /sc MINUTE /mo 10 /tr "'C:\Program Files\Uninstall Information\System.exe'" /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "System" /sc ONLOGON /tr "'C:\Program Files\Uninstall Information\System.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "SystemS" /sc MINUTE /mo 10 /tr "'C:\Program Files\Uninstall Information\System.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "StartMenuExperienceHostS" /sc MINUTE /mo 11 /tr "'C:\Program Files\Microsoft Office\Updates\Apply\FilesInUse\49CB5E59-6A76-4B6E-9CC1-BDE0FDD9FEE2\StartMenuExperienceHost.exe'" /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "StartMenuExperienceHost" /sc ONLOGON /tr "'C:\Program Files\Microsoft Office\Updates\Apply\FilesInUse\49CB5E59-6A76-4B6E-9CC1-BDE0FDD9FEE2\StartMenuExperienceHost.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "StartMenuExperienceHostS" /sc MINUTE /mo 6 /tr "'C:\Program Files\Microsoft Office\Updates\Apply\FilesInUse\49CB5E59-6A76-4B6E-9CC1-BDE0FDD9FEE2\StartMenuExperienceHost.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "TrustedInstallerT" /sc MINUTE /mo 6 /tr "'C:\Windows\uk-UA\TrustedInstaller.exe'" /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "TrustedInstaller" /sc ONLOGON /tr "'C:\Windows\uk-UA\TrustedInstaller.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "TrustedInstallerT" /sc MINUTE /mo 13 /tr "'C:\Windows\uk-UA\TrustedInstaller.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "fontdrvhostf" /sc MINUTE /mo 9 /tr "'C:\Program Files (x86)\Windows Defender\fr-FR\fontdrvhost.exe'" /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "fontdrvhost" /sc ONLOGON /tr "'C:\Program Files (x86)\Windows Defender\fr-FR\fontdrvhost.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "fontdrvhostf" /sc MINUTE /mo 13 /tr "'C:\Program Files (x86)\Windows Defender\fr-FR\fontdrvhost.exe'" /rl HIGHEST /f
C:\Windows\SystemApps\Microsoft.MicrosoftEdgeDevToolsClient_8wekyb3d8bbwe\pris\Idle.exe
"C:\Windows\SystemApps\Microsoft.MicrosoftEdgeDevToolsClient_8wekyb3d8bbwe\pris\Idle.exe"
C:\Windows\SysWOW64\reg.exe
reg add HKCU\Software\Microsoft\Windows\CurrentVersion\Policies\System /v DisableTaskMgr /t REG_DWORD /d 1 /f
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 8.8.8.8.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 58.55.71.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 152.107.17.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 14.160.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 209.205.72.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | a0987415.xsph.ru | udp |
| RU | 141.8.192.26:80 | a0987415.xsph.ru | tcp |
| RU | 141.8.192.26:80 | a0987415.xsph.ru | tcp |
| US | 8.8.8.8:53 | 26.192.8.141.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 103.169.127.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 198.187.3.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 91.90.14.23.in-addr.arpa | udp |
| RU | 141.8.192.26:80 | a0987415.xsph.ru | tcp |
| US | 8.8.8.8:53 | 14.227.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 203.107.17.2.in-addr.arpa | udp |
| RU | 141.8.192.26:80 | a0987415.xsph.ru | tcp |
Files
C:\portagentbrowserweb\WRLLAAz5wgYRSh1EMNi6f5aM.vbe
| MD5 | 61a07f2f9e8e9b1f5175b2d60c3e3f18 |
| SHA1 | e695b0c2b43c786453bf3f6ae504f0626951d281 |
| SHA256 | 5c75708ec9e4fe419a2fd1067bd5793bacb28140177cc6b36300fbf28e7c23d1 |
| SHA512 | 8ef3529f6bf504224e7803019f1e162aead7961bc1a5115f50fb5f580570e8b04707da21a7aab4eb7f1554a3b5333597fb3335e5f6a74dabfdb0583eecb35b5d |
C:\portagentbrowserweb\6X9rFgrS3wv5iM7PLkmLFP1j.bat
| MD5 | c8f8a078dace2ff4cb106803c9199643 |
| SHA1 | a5029ff4c4f0f24b0fbe2951c9a8002501ebd3b5 |
| SHA256 | 1b99d39fa273f33b072c67e0df7d33b1699fa17b7c7139467a658302a5ed0e0d |
| SHA512 | efaea3b4653768bbd135a0ec55319df2464f1d440ad982f31a5eff05c5ba5032f4718683ff6419c668bf1f34a117b5a101f56d1efc1d74ad93e692c52686f999 |
C:\portagentbrowserweb\Containerruntime.exe
| MD5 | 5887a563351ca99247b7e2c448bd9f2e |
| SHA1 | b24695e88143863297535989900bb7521ea86d67 |
| SHA256 | e74cbd74c838db604926e27322342c02f803b95f98680d4089b5c01ed93fb390 |
| SHA512 | b7d82bd09ba64891b75bbb9356de74a1ed0835709a391698c1301825777418f57e4f2ae3c260d3f7b6ada05d0e7ddeb4a6b75901fdf53bdd82ffa2febb685107 |
memory/1244-12-0x00007FFCDACF3000-0x00007FFCDACF5000-memory.dmp
memory/1244-13-0x0000000000FB0000-0x00000000010E2000-memory.dmp
memory/1244-14-0x00000000033E0000-0x00000000033FC000-memory.dmp
memory/1244-15-0x000000001C3E0000-0x000000001C430000-memory.dmp
memory/1244-16-0x000000001C250000-0x000000001C266000-memory.dmp
memory/1244-17-0x00000000018B0000-0x00000000018BC000-memory.dmp
Analysis: behavioral1
Detonation Overview
Submitted
2024-05-31 15:45
Reported
2024-05-31 15:48
Platform
win7-20240215-en
Max time kernel
145s
Max time network
147s
Command Line
Signatures
DcRat
Process spawned unexpected child process
| Description | Indicator | Process | Target |
| Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process | N/A | C:\Windows\system32\schtasks.exe | |
| Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process | N/A | C:\Windows\system32\schtasks.exe | |
| Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process | N/A | C:\Windows\system32\schtasks.exe | |
| Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process | N/A | C:\Windows\system32\schtasks.exe | |
| Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process | N/A | C:\Windows\system32\schtasks.exe | |
| Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process | N/A | C:\Windows\system32\schtasks.exe | |
| Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process | N/A | C:\Windows\system32\schtasks.exe | |
| Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process | N/A | C:\Windows\system32\schtasks.exe | |
| Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process | N/A | C:\Windows\system32\schtasks.exe | |
| Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process | N/A | C:\Windows\system32\schtasks.exe | |
| Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process | N/A | C:\Windows\system32\schtasks.exe | |
| Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process | N/A | C:\Windows\system32\schtasks.exe | |
| Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process | N/A | C:\Windows\system32\schtasks.exe | |
| Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process | N/A | C:\Windows\system32\schtasks.exe | |
| Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process | N/A | C:\Windows\system32\schtasks.exe | |
| Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process | N/A | C:\Windows\system32\schtasks.exe | |
| Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process | N/A | C:\Windows\system32\schtasks.exe | |
| Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process | N/A | C:\Windows\system32\schtasks.exe | |
| Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process | N/A | C:\Windows\system32\schtasks.exe | |
| Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process | N/A | C:\Windows\system32\schtasks.exe | |
| Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process | N/A | C:\Windows\system32\schtasks.exe | |
| Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process | N/A | C:\Windows\system32\schtasks.exe | |
| Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process | N/A | C:\Windows\system32\schtasks.exe | |
| Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process | N/A | C:\Windows\system32\schtasks.exe | |
| Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process | N/A | C:\Windows\system32\schtasks.exe | |
| Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process | N/A | C:\Windows\system32\schtasks.exe | |
| Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process | N/A | C:\Windows\system32\schtasks.exe | |
| Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process | N/A | C:\Windows\system32\schtasks.exe | |
| Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process | N/A | C:\Windows\system32\schtasks.exe | |
| Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process | N/A | C:\Windows\system32\schtasks.exe | |
| Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process | N/A | C:\Windows\system32\schtasks.exe | |
| Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process | N/A | C:\Windows\system32\schtasks.exe | |
| Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process | N/A | C:\Windows\system32\schtasks.exe | |
| Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process | N/A | C:\Windows\system32\schtasks.exe | |
| Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process | N/A | C:\Windows\system32\schtasks.exe | |
| Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process | N/A | C:\Windows\system32\schtasks.exe | |
| Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process | N/A | C:\Windows\system32\schtasks.exe | |
| Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process | N/A | C:\Windows\system32\schtasks.exe | |
| Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process | N/A | C:\Windows\system32\schtasks.exe | |
| Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process | N/A | C:\Windows\system32\schtasks.exe | |
| Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process | N/A | C:\Windows\system32\schtasks.exe | |
| Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process | N/A | C:\Windows\system32\schtasks.exe | |
| Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process | N/A | C:\Windows\system32\schtasks.exe | |
| Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process | N/A | C:\Windows\system32\schtasks.exe | |
| Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process | N/A | C:\Windows\system32\schtasks.exe |
DCRat payload
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
Disables Task Manager via registry modification
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\portagentbrowserweb\Containerruntime.exe | N/A |
| N/A | N/A | C:\Windows\ehome\MediaRenderer\lsass.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\cmd.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\cmd.exe | N/A |
Reads user/profile data of web browsers
Drops file in Program Files directory
| Description | Indicator | Process | Target |
| File created | C:\Program Files\Mozilla Firefox\fonts\27d1bcfc3c54e0 | C:\portagentbrowserweb\Containerruntime.exe | N/A |
| File created | C:\Program Files\Mozilla Firefox\fonts\System.exe | C:\portagentbrowserweb\Containerruntime.exe | N/A |
| File created | C:\Program Files (x86)\Windows Portable Devices\6ccacd8608530f | C:\portagentbrowserweb\Containerruntime.exe | N/A |
| File created | C:\Program Files (x86)\Microsoft Analysis Services\AS OLEDB\cmd.exe | C:\portagentbrowserweb\Containerruntime.exe | N/A |
| File created | C:\Program Files (x86)\Microsoft Analysis Services\AS OLEDB\ebf1f9fa8afd6d | C:\portagentbrowserweb\Containerruntime.exe | N/A |
| File created | C:\Program Files (x86)\Mozilla Maintenance Service\logs\0a1fd5f707cd16 | C:\portagentbrowserweb\Containerruntime.exe | N/A |
| File created | C:\Program Files (x86)\Uninstall Information\lsass.exe | C:\portagentbrowserweb\Containerruntime.exe | N/A |
| File created | C:\Program Files (x86)\Microsoft.NET\Primary Interop Assemblies\audiodg.exe | C:\portagentbrowserweb\Containerruntime.exe | N/A |
| File created | C:\Program Files (x86)\Microsoft Synchronization Services\cmd.exe | C:\portagentbrowserweb\Containerruntime.exe | N/A |
| File created | C:\Program Files (x86)\Windows Portable Devices\Idle.exe | C:\portagentbrowserweb\Containerruntime.exe | N/A |
| File created | C:\Program Files (x86)\Mozilla Maintenance Service\logs\sppsvc.exe | C:\portagentbrowserweb\Containerruntime.exe | N/A |
| File created | C:\Program Files (x86)\Uninstall Information\6203df4a6bafc7 | C:\portagentbrowserweb\Containerruntime.exe | N/A |
| File created | C:\Program Files (x86)\Microsoft.NET\Primary Interop Assemblies\42af1c969fbb7b | C:\portagentbrowserweb\Containerruntime.exe | N/A |
| File created | C:\Program Files (x86)\Microsoft Synchronization Services\ebf1f9fa8afd6d | C:\portagentbrowserweb\Containerruntime.exe | N/A |
Drops file in Windows directory
| Description | Indicator | Process | Target |
| File created | C:\Windows\ehome\MediaRenderer\lsass.exe | C:\portagentbrowserweb\Containerruntime.exe | N/A |
| File created | C:\Windows\ehome\MediaRenderer\6203df4a6bafc7 | C:\portagentbrowserweb\Containerruntime.exe | N/A |
Enumerates physical storage devices
Creates scheduled task(s)
Modifies registry key
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\reg.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\portagentbrowserweb\Containerruntime.exe | N/A |
| N/A | N/A | C:\portagentbrowserweb\Containerruntime.exe | N/A |
| N/A | N/A | C:\portagentbrowserweb\Containerruntime.exe | N/A |
| N/A | N/A | C:\Windows\ehome\MediaRenderer\lsass.exe | N/A |
| N/A | N/A | C:\Windows\ehome\MediaRenderer\lsass.exe | N/A |
| N/A | N/A | C:\Windows\ehome\MediaRenderer\lsass.exe | N/A |
| N/A | N/A | C:\Windows\ehome\MediaRenderer\lsass.exe | N/A |
| N/A | N/A | C:\Windows\ehome\MediaRenderer\lsass.exe | N/A |
| N/A | N/A | C:\Windows\ehome\MediaRenderer\lsass.exe | N/A |
| N/A | N/A | C:\Windows\ehome\MediaRenderer\lsass.exe | N/A |
| N/A | N/A | C:\Windows\ehome\MediaRenderer\lsass.exe | N/A |
| N/A | N/A | C:\Windows\ehome\MediaRenderer\lsass.exe | N/A |
| N/A | N/A | C:\Windows\ehome\MediaRenderer\lsass.exe | N/A |
| N/A | N/A | C:\Windows\ehome\MediaRenderer\lsass.exe | N/A |
| N/A | N/A | C:\Windows\ehome\MediaRenderer\lsass.exe | N/A |
| N/A | N/A | C:\Windows\ehome\MediaRenderer\lsass.exe | N/A |
Suspicious behavior: GetForegroundWindowSpam
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\ehome\MediaRenderer\lsass.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\portagentbrowserweb\Containerruntime.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Windows\ehome\MediaRenderer\lsass.exe | N/A |
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
Processes
C:\Users\Admin\AppData\Local\Temp\nursultan nexgen fix.exe
"C:\Users\Admin\AppData\Local\Temp\nursultan nexgen fix.exe"
C:\Windows\SysWOW64\WScript.exe
"C:\Windows\System32\WScript.exe" "C:\portagentbrowserweb\WRLLAAz5wgYRSh1EMNi6f5aM.vbe"
C:\Windows\SysWOW64\cmd.exe
cmd /c ""C:\portagentbrowserweb\6X9rFgrS3wv5iM7PLkmLFP1j.bat" "
C:\portagentbrowserweb\Containerruntime.exe
"C:\portagentbrowserweb\Containerruntime.exe"
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "SystemS" /sc MINUTE /mo 7 /tr "'C:\portagentbrowserweb\System.exe'" /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "System" /sc ONLOGON /tr "'C:\portagentbrowserweb\System.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "SystemS" /sc MINUTE /mo 8 /tr "'C:\portagentbrowserweb\System.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "lsassl" /sc MINUTE /mo 8 /tr "'C:\Windows\ehome\MediaRenderer\lsass.exe'" /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "lsass" /sc ONLOGON /tr "'C:\Windows\ehome\MediaRenderer\lsass.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "lsassl" /sc MINUTE /mo 13 /tr "'C:\Windows\ehome\MediaRenderer\lsass.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "taskhostt" /sc MINUTE /mo 11 /tr "'C:\portagentbrowserweb\taskhost.exe'" /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "taskhost" /sc ONLOGON /tr "'C:\portagentbrowserweb\taskhost.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "taskhostt" /sc MINUTE /mo 6 /tr "'C:\portagentbrowserweb\taskhost.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "lsassl" /sc MINUTE /mo 13 /tr "'C:\Program Files (x86)\Uninstall Information\lsass.exe'" /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "lsass" /sc ONLOGON /tr "'C:\Program Files (x86)\Uninstall Information\lsass.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "lsassl" /sc MINUTE /mo 9 /tr "'C:\Program Files (x86)\Uninstall Information\lsass.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "spoolsvs" /sc MINUTE /mo 14 /tr "'C:\Recovery\3e6c2342-cc12-11ee-878b-7662d560f583\spoolsv.exe'" /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "spoolsv" /sc ONLOGON /tr "'C:\Recovery\3e6c2342-cc12-11ee-878b-7662d560f583\spoolsv.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "spoolsvs" /sc MINUTE /mo 10 /tr "'C:\Recovery\3e6c2342-cc12-11ee-878b-7662d560f583\spoolsv.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "SystemS" /sc MINUTE /mo 8 /tr "'C:\Program Files\Mozilla Firefox\fonts\System.exe'" /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "System" /sc ONLOGON /tr "'C:\Program Files\Mozilla Firefox\fonts\System.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "SystemS" /sc MINUTE /mo 8 /tr "'C:\Program Files\Mozilla Firefox\fonts\System.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "audiodga" /sc MINUTE /mo 7 /tr "'C:\Program Files (x86)\Microsoft.NET\Primary Interop Assemblies\audiodg.exe'" /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "audiodg" /sc ONLOGON /tr "'C:\Program Files (x86)\Microsoft.NET\Primary Interop Assemblies\audiodg.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "audiodga" /sc MINUTE /mo 10 /tr "'C:\Program Files (x86)\Microsoft.NET\Primary Interop Assemblies\audiodg.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "cmdc" /sc MINUTE /mo 8 /tr "'C:\Program Files (x86)\Microsoft Synchronization Services\cmd.exe'" /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "cmd" /sc ONLOGON /tr "'C:\Program Files (x86)\Microsoft Synchronization Services\cmd.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "cmdc" /sc MINUTE /mo 11 /tr "'C:\Program Files (x86)\Microsoft Synchronization Services\cmd.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "wininitw" /sc MINUTE /mo 13 /tr "'C:\Users\Admin\Application Data\wininit.exe'" /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "wininit" /sc ONLOGON /tr "'C:\Users\Admin\Application Data\wininit.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "wininitw" /sc MINUTE /mo 8 /tr "'C:\Users\Admin\Application Data\wininit.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "IdleI" /sc MINUTE /mo 14 /tr "'C:\Program Files (x86)\Windows Portable Devices\Idle.exe'" /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "Idle" /sc ONLOGON /tr "'C:\Program Files (x86)\Windows Portable Devices\Idle.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "IdleI" /sc MINUTE /mo 11 /tr "'C:\Program Files (x86)\Windows Portable Devices\Idle.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "cmdc" /sc MINUTE /mo 13 /tr "'C:\Program Files (x86)\Microsoft Analysis Services\AS OLEDB\cmd.exe'" /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "cmd" /sc ONLOGON /tr "'C:\Program Files (x86)\Microsoft Analysis Services\AS OLEDB\cmd.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "cmdc" /sc MINUTE /mo 13 /tr "'C:\Program Files (x86)\Microsoft Analysis Services\AS OLEDB\cmd.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "cmdc" /sc MINUTE /mo 8 /tr "'C:\MSOCache\All Users\{90140000-002C-0409-0000-0000000FF1CE}-C\Proof.es\cmd.exe'" /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "cmd" /sc ONLOGON /tr "'C:\MSOCache\All Users\{90140000-002C-0409-0000-0000000FF1CE}-C\Proof.es\cmd.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "cmdc" /sc MINUTE /mo 11 /tr "'C:\MSOCache\All Users\{90140000-002C-0409-0000-0000000FF1CE}-C\Proof.es\cmd.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "sppsvcs" /sc MINUTE /mo 11 /tr "'C:\Program Files (x86)\Mozilla Maintenance Service\logs\sppsvc.exe'" /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "sppsvc" /sc ONLOGON /tr "'C:\Program Files (x86)\Mozilla Maintenance Service\logs\sppsvc.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "sppsvcs" /sc MINUTE /mo 9 /tr "'C:\Program Files (x86)\Mozilla Maintenance Service\logs\sppsvc.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "conhostc" /sc MINUTE /mo 13 /tr "'C:\Users\Public\Libraries\conhost.exe'" /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "conhost" /sc ONLOGON /tr "'C:\Users\Public\Libraries\conhost.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "conhostc" /sc MINUTE /mo 14 /tr "'C:\Users\Public\Libraries\conhost.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "csrssc" /sc MINUTE /mo 12 /tr "'C:\Users\Admin\csrss.exe'" /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "csrss" /sc ONLOGON /tr "'C:\Users\Admin\csrss.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "csrssc" /sc MINUTE /mo 9 /tr "'C:\Users\Admin\csrss.exe'" /rl HIGHEST /f
C:\Windows\System32\cmd.exe
"C:\Windows\System32\cmd.exe" /C "C:\Users\Admin\AppData\Local\Temp\ch67fr6ZHK.bat"
C:\Windows\system32\w32tm.exe
w32tm /stripchart /computer:localhost /period:5 /dataonly /samples:2
C:\Windows\SysWOW64\reg.exe
reg add HKCU\Software\Microsoft\Windows\CurrentVersion\Policies\System /v DisableTaskMgr /t REG_DWORD /d 1 /f
C:\Windows\ehome\MediaRenderer\lsass.exe
"C:\Windows\ehome\MediaRenderer\lsass.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | a0987415.xsph.ru | udp |
| RU | 141.8.192.26:80 | a0987415.xsph.ru | tcp |
| RU | 141.8.192.26:80 | a0987415.xsph.ru | tcp |
| RU | 141.8.192.26:80 | a0987415.xsph.ru | tcp |
| RU | 141.8.192.26:80 | a0987415.xsph.ru | tcp |
| RU | 141.8.192.26:80 | a0987415.xsph.ru | tcp |
| RU | 141.8.192.26:80 | a0987415.xsph.ru | tcp |
Files
C:\portagentbrowserweb\WRLLAAz5wgYRSh1EMNi6f5aM.vbe
| MD5 | 61a07f2f9e8e9b1f5175b2d60c3e3f18 |
| SHA1 | e695b0c2b43c786453bf3f6ae504f0626951d281 |
| SHA256 | 5c75708ec9e4fe419a2fd1067bd5793bacb28140177cc6b36300fbf28e7c23d1 |
| SHA512 | 8ef3529f6bf504224e7803019f1e162aead7961bc1a5115f50fb5f580570e8b04707da21a7aab4eb7f1554a3b5333597fb3335e5f6a74dabfdb0583eecb35b5d |
C:\portagentbrowserweb\6X9rFgrS3wv5iM7PLkmLFP1j.bat
| MD5 | c8f8a078dace2ff4cb106803c9199643 |
| SHA1 | a5029ff4c4f0f24b0fbe2951c9a8002501ebd3b5 |
| SHA256 | 1b99d39fa273f33b072c67e0df7d33b1699fa17b7c7139467a658302a5ed0e0d |
| SHA512 | efaea3b4653768bbd135a0ec55319df2464f1d440ad982f31a5eff05c5ba5032f4718683ff6419c668bf1f34a117b5a101f56d1efc1d74ad93e692c52686f999 |
\portagentbrowserweb\Containerruntime.exe
| MD5 | 5887a563351ca99247b7e2c448bd9f2e |
| SHA1 | b24695e88143863297535989900bb7521ea86d67 |
| SHA256 | e74cbd74c838db604926e27322342c02f803b95f98680d4089b5c01ed93fb390 |
| SHA512 | b7d82bd09ba64891b75bbb9356de74a1ed0835709a391698c1301825777418f57e4f2ae3c260d3f7b6ada05d0e7ddeb4a6b75901fdf53bdd82ffa2febb685107 |
memory/2476-13-0x0000000001200000-0x0000000001332000-memory.dmp
memory/2476-14-0x00000000005B0000-0x00000000005CC000-memory.dmp
memory/2476-15-0x00000000005D0000-0x00000000005E6000-memory.dmp
memory/2476-16-0x0000000000600000-0x000000000060C000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\ch67fr6ZHK.bat
| MD5 | 6327c476c656a4a91bb70f9d1b9648bb |
| SHA1 | ad650b18cdf6cf43a59bbf0a719a68625121c912 |
| SHA256 | 1de25923ef212590d22ef6367bd661ebf4d17f5cf924bee7e046fe9342a0b7b1 |
| SHA512 | 51095459cae98b63e05b77e033a4dca5308e3a1172959a116794112e155415fab0859b93f9cf72f8773ffc6b9eec3ab1d221cdcf80ca26378ae794c52b793486 |
memory/3048-54-0x0000000000C90000-0x0000000000DC2000-memory.dmp