Analysis Overview
SHA256
4c3355cc4f926ad3bc4f84e788068a50cb2a1f504d370aaaacfab6637a5e25cf
Threat Level: Known bad
The file EX Cheker.exe was found to be: Known bad.
Malicious Activity Summary
DCRat payload
Dcrat family
DcRat
UAC bypass
Process spawned unexpected child process
DCRat payload
Reads user/profile data of web browsers
Executes dropped EXE
Loads dropped DLL
Checks computer location settings
Checks whether UAC is enabled
Drops file in Windows directory
Drops file in Program Files directory
Unsigned PE
Enumerates physical storage devices
Creates scheduled task(s)
Uses Volume Shadow Copy service COM API
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
Suspicious behavior: GetForegroundWindowSpam
System policy modification
Modifies registry class
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-06-17 14:12
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: behavioral1
Detonation Overview
Submitted
2024-06-17 14:12
Reported
2024-06-17 14:15
Platform
win7-20240419-en
Max time kernel
147s
Max time network
148s
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 | |
| 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 |
UAC bypass
| Description | Indicator | Process | Target |
| Set value (int) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" | C:\SavesCommon\blockSurrogatesession.exe | N/A |
| Set value (int) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\ConsentPromptBehaviorAdmin = "0" | C:\SavesCommon\blockSurrogatesession.exe | N/A |
| Set value (int) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\PromptOnSecureDesktop = "0" | C:\SavesCommon\blockSurrogatesession.exe | N/A |
| Set value (int) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" | C:\Users\Default\Recent\dwm.exe | N/A |
| Set value (int) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\ConsentPromptBehaviorAdmin = "0" | C:\Users\Default\Recent\dwm.exe | N/A |
| Set value (int) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\PromptOnSecureDesktop = "0" | C:\Users\Default\Recent\dwm.exe | N/A |
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 |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\SavesCommon\blockSurrogatesession.exe | N/A |
| N/A | N/A | C:\Users\Default\Recent\dwm.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
Checks whether UAC is enabled
| Description | Indicator | Process | Target |
| Set value (int) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" | C:\SavesCommon\blockSurrogatesession.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA | C:\Users\Default\Recent\dwm.exe | N/A |
| Set value (int) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" | C:\Users\Default\Recent\dwm.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA | C:\SavesCommon\blockSurrogatesession.exe | N/A |
Drops file in Program Files directory
| Description | Indicator | Process | Target |
| File created | C:\Program Files\Windows Portable Devices\wininit.exe | C:\SavesCommon\blockSurrogatesession.exe | N/A |
| File created | C:\Program Files\Windows Portable Devices\56085415360792 | C:\SavesCommon\blockSurrogatesession.exe | N/A |
| File created | C:\Program Files\Windows Portable Devices\audiodg.exe | C:\SavesCommon\blockSurrogatesession.exe | N/A |
| File created | C:\Program Files\Windows Portable Devices\42af1c969fbb7b | C:\SavesCommon\blockSurrogatesession.exe | N/A |
| File created | C:\Program Files (x86)\Internet Explorer\SIGNUP\lsm.exe | C:\SavesCommon\blockSurrogatesession.exe | N/A |
| File created | C:\Program Files (x86)\Internet Explorer\SIGNUP\101b941d020240 | C:\SavesCommon\blockSurrogatesession.exe | N/A |
| File created | C:\Program Files (x86)\Windows Sidebar\en-US\dwm.exe | C:\SavesCommon\blockSurrogatesession.exe | N/A |
| File created | C:\Program Files (x86)\Windows Sidebar\en-US\6cb0b6c459d5d3 | C:\SavesCommon\blockSurrogatesession.exe | N/A |
Drops file in Windows directory
| Description | Indicator | Process | Target |
| File created | C:\Windows\Downloaded Program Files\f3b6ecef712a24 | C:\SavesCommon\blockSurrogatesession.exe | N/A |
| File created | C:\Windows\ModemLogs\blockSurrogatesession.exe | C:\SavesCommon\blockSurrogatesession.exe | N/A |
| File opened for modification | C:\Windows\ModemLogs\blockSurrogatesession.exe | C:\SavesCommon\blockSurrogatesession.exe | N/A |
| File created | C:\Windows\ModemLogs\ecc492c2ce78f8 | C:\SavesCommon\blockSurrogatesession.exe | N/A |
| File created | C:\Windows\schemas\EAPMethods\spoolsv.exe | C:\SavesCommon\blockSurrogatesession.exe | N/A |
| File created | C:\Windows\Downloaded Program Files\spoolsv.exe | C:\SavesCommon\blockSurrogatesession.exe | N/A |
Enumerates physical storage devices
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\SavesCommon\blockSurrogatesession.exe | N/A |
| N/A | N/A | C:\SavesCommon\blockSurrogatesession.exe | N/A |
| N/A | N/A | C:\SavesCommon\blockSurrogatesession.exe | N/A |
| N/A | N/A | C:\Users\Default\Recent\dwm.exe | N/A |
| N/A | N/A | C:\Users\Default\Recent\dwm.exe | N/A |
| N/A | N/A | C:\Users\Default\Recent\dwm.exe | N/A |
| N/A | N/A | C:\Users\Default\Recent\dwm.exe | N/A |
| N/A | N/A | C:\Users\Default\Recent\dwm.exe | N/A |
| N/A | N/A | C:\Users\Default\Recent\dwm.exe | N/A |
| N/A | N/A | C:\Users\Default\Recent\dwm.exe | N/A |
| N/A | N/A | C:\Users\Default\Recent\dwm.exe | N/A |
| N/A | N/A | C:\Users\Default\Recent\dwm.exe | N/A |
| N/A | N/A | C:\Users\Default\Recent\dwm.exe | N/A |
| N/A | N/A | C:\Users\Default\Recent\dwm.exe | N/A |
| N/A | N/A | C:\Users\Default\Recent\dwm.exe | N/A |
| N/A | N/A | C:\Users\Default\Recent\dwm.exe | N/A |
Suspicious behavior: GetForegroundWindowSpam
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Default\Recent\dwm.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\SavesCommon\blockSurrogatesession.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Users\Default\Recent\dwm.exe | N/A |
| Token: SeBackupPrivilege | N/A | C:\Windows\system32\vssvc.exe | N/A |
| Token: SeRestorePrivilege | N/A | C:\Windows\system32\vssvc.exe | N/A |
| Token: SeAuditPrivilege | N/A | C:\Windows\system32\vssvc.exe | N/A |
Suspicious use of WriteProcessMemory
System policy modification
| Description | Indicator | Process | Target |
| Set value (int) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\ConsentPromptBehaviorAdmin = "0" | C:\SavesCommon\blockSurrogatesession.exe | N/A |
| Set value (int) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\PromptOnSecureDesktop = "0" | C:\SavesCommon\blockSurrogatesession.exe | N/A |
| Set value (int) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" | C:\Users\Default\Recent\dwm.exe | N/A |
| Set value (int) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\ConsentPromptBehaviorAdmin = "0" | C:\Users\Default\Recent\dwm.exe | N/A |
| Set value (int) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\PromptOnSecureDesktop = "0" | C:\Users\Default\Recent\dwm.exe | N/A |
| Set value (int) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" | C:\SavesCommon\blockSurrogatesession.exe | N/A |
Uses Task Scheduler COM API
Uses Volume Shadow Copy service COM API
Processes
C:\Users\Admin\AppData\Local\Temp\EX Cheker.exe
"C:\Users\Admin\AppData\Local\Temp\EX Cheker.exe"
C:\Windows\SysWOW64\WScript.exe
"C:\Windows\System32\WScript.exe" "C:\SavesCommon\Rykk8j79.vbe"
C:\Windows\SysWOW64\cmd.exe
cmd /c ""C:\SavesCommon\aj3oL98d.bat" "
C:\SavesCommon\blockSurrogatesession.exe
"C:\SavesCommon\blockSurrogatesession.exe"
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "blockSurrogatesessionb" /sc MINUTE /mo 9 /tr "'C:\Windows\ModemLogs\blockSurrogatesession.exe'" /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "blockSurrogatesession" /sc ONLOGON /tr "'C:\Windows\ModemLogs\blockSurrogatesession.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "blockSurrogatesessionb" /sc MINUTE /mo 12 /tr "'C:\Windows\ModemLogs\blockSurrogatesession.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "servicess" /sc MINUTE /mo 9 /tr "'C:\SavesCommon\services.exe'" /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "services" /sc ONLOGON /tr "'C:\SavesCommon\services.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "servicess" /sc MINUTE /mo 8 /tr "'C:\SavesCommon\services.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "dwmd" /sc MINUTE /mo 14 /tr "'C:\Users\Default\Recent\dwm.exe'" /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "dwm" /sc ONLOGON /tr "'C:\Users\Default\Recent\dwm.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "dwmd" /sc MINUTE /mo 13 /tr "'C:\Users\Default\Recent\dwm.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "csrssc" /sc MINUTE /mo 10 /tr "'C:\SavesCommon\csrss.exe'" /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "csrss" /sc ONLOGON /tr "'C:\SavesCommon\csrss.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "csrssc" /sc MINUTE /mo 5 /tr "'C:\SavesCommon\csrss.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "IdleI" /sc MINUTE /mo 5 /tr "'C:\Recovery\07daf2c2-fe8f-11ee-804d-f636db4e28e7\Idle.exe'" /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "Idle" /sc ONLOGON /tr "'C:\Recovery\07daf2c2-fe8f-11ee-804d-f636db4e28e7\Idle.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "IdleI" /sc MINUTE /mo 14 /tr "'C:\Recovery\07daf2c2-fe8f-11ee-804d-f636db4e28e7\Idle.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "spoolsvs" /sc MINUTE /mo 7 /tr "'C:\Windows\Downloaded Program Files\spoolsv.exe'" /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "spoolsv" /sc ONLOGON /tr "'C:\Windows\Downloaded Program Files\spoolsv.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "spoolsvs" /sc MINUTE /mo 6 /tr "'C:\Windows\Downloaded Program Files\spoolsv.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "audiodga" /sc MINUTE /mo 5 /tr "'C:\Recovery\07daf2c2-fe8f-11ee-804d-f636db4e28e7\audiodg.exe'" /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "audiodg" /sc ONLOGON /tr "'C:\Recovery\07daf2c2-fe8f-11ee-804d-f636db4e28e7\audiodg.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "audiodga" /sc MINUTE /mo 11 /tr "'C:\Recovery\07daf2c2-fe8f-11ee-804d-f636db4e28e7\audiodg.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "lsml" /sc MINUTE /mo 7 /tr "'C:\Program Files (x86)\Internet Explorer\SIGNUP\lsm.exe'" /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "lsm" /sc ONLOGON /tr "'C:\Program Files (x86)\Internet Explorer\SIGNUP\lsm.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "lsml" /sc MINUTE /mo 11 /tr "'C:\Program Files (x86)\Internet Explorer\SIGNUP\lsm.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "csrssc" /sc MINUTE /mo 11 /tr "'C:\Users\Public\Documents\My Music\csrss.exe'" /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "csrss" /sc ONLOGON /tr "'C:\Users\Public\Documents\My Music\csrss.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "csrssc" /sc MINUTE /mo 9 /tr "'C:\Users\Public\Documents\My Music\csrss.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "lsassl" /sc MINUTE /mo 7 /tr "'C:\Recovery\07daf2c2-fe8f-11ee-804d-f636db4e28e7\lsass.exe'" /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "lsass" /sc ONLOGON /tr "'C:\Recovery\07daf2c2-fe8f-11ee-804d-f636db4e28e7\lsass.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "lsassl" /sc MINUTE /mo 11 /tr "'C:\Recovery\07daf2c2-fe8f-11ee-804d-f636db4e28e7\lsass.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "dwmd" /sc MINUTE /mo 12 /tr "'C:\Program Files (x86)\Windows Sidebar\en-US\dwm.exe'" /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "dwm" /sc ONLOGON /tr "'C:\Program Files (x86)\Windows Sidebar\en-US\dwm.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "dwmd" /sc MINUTE /mo 11 /tr "'C:\Program Files (x86)\Windows Sidebar\en-US\dwm.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "spoolsvs" /sc MINUTE /mo 10 /tr "'C:\MSOCache\All Users\{90140000-00A1-0409-0000-0000000FF1CE}-C\spoolsv.exe'" /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "spoolsv" /sc ONLOGON /tr "'C:\MSOCache\All Users\{90140000-00A1-0409-0000-0000000FF1CE}-C\spoolsv.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "spoolsvs" /sc MINUTE /mo 11 /tr "'C:\MSOCache\All Users\{90140000-00A1-0409-0000-0000000FF1CE}-C\spoolsv.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "sppsvcs" /sc MINUTE /mo 6 /tr "'C:\Recovery\07daf2c2-fe8f-11ee-804d-f636db4e28e7\sppsvc.exe'" /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "sppsvc" /sc ONLOGON /tr "'C:\Recovery\07daf2c2-fe8f-11ee-804d-f636db4e28e7\sppsvc.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "sppsvcs" /sc MINUTE /mo 13 /tr "'C:\Recovery\07daf2c2-fe8f-11ee-804d-f636db4e28e7\sppsvc.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "lsassl" /sc MINUTE /mo 9 /tr "'C:\Recovery\07daf2c2-fe8f-11ee-804d-f636db4e28e7\lsass.exe'" /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "lsass" /sc ONLOGON /tr "'C:\Recovery\07daf2c2-fe8f-11ee-804d-f636db4e28e7\lsass.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "lsassl" /sc MINUTE /mo 9 /tr "'C:\Recovery\07daf2c2-fe8f-11ee-804d-f636db4e28e7\lsass.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "wininitw" /sc MINUTE /mo 5 /tr "'C:\Program Files\Windows Portable Devices\wininit.exe'" /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "wininit" /sc ONLOGON /tr "'C:\Program Files\Windows Portable Devices\wininit.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "wininitw" /sc MINUTE /mo 6 /tr "'C:\Program Files\Windows Portable Devices\wininit.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "lsml" /sc MINUTE /mo 5 /tr "'C:\MSOCache\All Users\{90140000-0019-0409-0000-0000000FF1CE}-C\lsm.exe'" /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "lsm" /sc ONLOGON /tr "'C:\MSOCache\All Users\{90140000-0019-0409-0000-0000000FF1CE}-C\lsm.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "lsml" /sc MINUTE /mo 10 /tr "'C:\MSOCache\All Users\{90140000-0019-0409-0000-0000000FF1CE}-C\lsm.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "csrssc" /sc MINUTE /mo 6 /tr "'C:\Recovery\07daf2c2-fe8f-11ee-804d-f636db4e28e7\csrss.exe'" /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "csrss" /sc ONLOGON /tr "'C:\Recovery\07daf2c2-fe8f-11ee-804d-f636db4e28e7\csrss.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "csrssc" /sc MINUTE /mo 11 /tr "'C:\Recovery\07daf2c2-fe8f-11ee-804d-f636db4e28e7\csrss.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "audiodga" /sc MINUTE /mo 8 /tr "'C:\Program Files\Windows Portable Devices\audiodg.exe'" /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "audiodg" /sc ONLOGON /tr "'C:\Program Files\Windows Portable Devices\audiodg.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "audiodga" /sc MINUTE /mo 7 /tr "'C:\Program Files\Windows Portable Devices\audiodg.exe'" /rl HIGHEST /f
C:\Users\Default\Recent\dwm.exe
"C:\Users\Default\Recent\dwm.exe"
C:\Windows\System32\WScript.exe
"C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\dd8dce4b-58db-4804-8e46-ff83ae2f30b8.vbs"
C:\Windows\System32\WScript.exe
"C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\14644e7c-3bea-4981-aa2d-52d8f7941ebd.vbs"
C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | sddfasdasfdewfdsaffd.000webhostapp.com | udp |
| US | 145.14.145.63:80 | sddfasdasfdewfdsaffd.000webhostapp.com | tcp |
| US | 145.14.145.63:80 | sddfasdasfdewfdsaffd.000webhostapp.com | tcp |
| US | 145.14.145.63:80 | sddfasdasfdewfdsaffd.000webhostapp.com | tcp |
| US | 8.8.8.8:53 | sddfasdasfdewfdsaffd.000webhostapp.com | udp |
| US | 145.14.144.179:80 | sddfasdasfdewfdsaffd.000webhostapp.com | tcp |
| US | 145.14.144.179:80 | sddfasdasfdewfdsaffd.000webhostapp.com | tcp |
Files
C:\SavesCommon\Rykk8j79.vbe
| MD5 | 8175d3e3a77ac089e12ed87b88918cba |
| SHA1 | ecbf23a03bee2713701f848d3f2f84b50a8c34a3 |
| SHA256 | 68e1f913ef22c414344c15bd15ecf25155dd751c83ced00e930c305ebf3954b3 |
| SHA512 | 8cfc2bd383e1983264010d15f1d9c2851947d2e978b5996b81b19f67a79c6485e0e60020267fdf89571a0523d2a7d69ac93089e2c0f5e871c8845ff34361b3f5 |
C:\SavesCommon\aj3oL98d.bat
| MD5 | 26c7d82b1d69a346f7b6f20bd53ad1aa |
| SHA1 | 0e340e2fb78c2f6e82633a29a9eec8b6a80f2403 |
| SHA256 | 6a9463daf129066a367e794a57eff4eb7b4632945fa3f2869ab63fb218199071 |
| SHA512 | 60c71bc970d9b236fe4ce0093634a51b144cd4cea7a6a7e4fc9493338f14529d0ad1e24fc927494d6aecebc06078340f9b725ced57fdbd0d751beef9211af991 |
C:\SavesCommon\blockSurrogatesession.exe
| MD5 | ccf723c2a4e53539affeb430b0afc5c5 |
| SHA1 | 257dbd6c98f74502cd70c526b94c33c52930286c |
| SHA256 | 27841168a182b17e08a67b67a48467f970ab70a25975c6e8e8c68e38fcfbce36 |
| SHA512 | 083eae82fc45ce1d22c4bb2b0e21e3242d199690608d1e9c52a4e7e93bd59ee46c3beb0c38554513ec06bf9ec4c3d584334ed316cef0b5e4c00cebe27c5ae971 |
memory/2676-13-0x00000000009A0000-0x0000000000B0C000-memory.dmp
memory/2676-14-0x0000000000440000-0x000000000044E000-memory.dmp
memory/2676-15-0x0000000000450000-0x000000000046C000-memory.dmp
memory/2676-16-0x0000000000470000-0x0000000000480000-memory.dmp
memory/2676-17-0x0000000000600000-0x0000000000616000-memory.dmp
memory/2676-18-0x0000000000660000-0x000000000066A000-memory.dmp
memory/2676-19-0x0000000000670000-0x000000000067A000-memory.dmp
memory/2676-20-0x0000000000680000-0x0000000000688000-memory.dmp
memory/2676-21-0x0000000000930000-0x000000000093C000-memory.dmp
memory/2488-64-0x0000000000AD0000-0x0000000000C3C000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\14644e7c-3bea-4981-aa2d-52d8f7941ebd.vbs
| MD5 | 427656e4bd23d25cba16314aa7d50227 |
| SHA1 | 86370e71ad68d014b74c7a00c4ff7dd2ff3d98da |
| SHA256 | 0a51f07eb903a1a57f475d46090cb137a83e6e8ded5b2ae315a50411b0c0cbf7 |
| SHA512 | fbc55d5b6355a6ac4f348a7cb6567a043a4ca5c4a4d7741a55f366c69f5bbdc240f120471ad32406dc3bc9b981072cecf14ad7bfc0777c9f9e02289ad6cb83b5 |
C:\Users\Admin\AppData\Local\Temp\dd8dce4b-58db-4804-8e46-ff83ae2f30b8.vbs
| MD5 | 9745304d6ee3a141ce6d6ad06409fdb3 |
| SHA1 | 07c46756824db9bfeb3622218d9b30d0ce5dfcc5 |
| SHA256 | de9e8cfc190fc32652ec1b2a97f041d8d49fb6951dc4040e91e02c4d242c3479 |
| SHA512 | 22363033092c263a90a5d2c68f1a5b2a791227c5c9823207ddd36580c5474cf1e3738ffd1b12ce403d2f6a436dc7f2d9c2fc0ccf9de93421bbcedc9e82cb488d |
Analysis: behavioral2
Detonation Overview
Submitted
2024-06-17 14:12
Reported
2024-06-17 14:15
Platform
win10v2004-20240611-en
Max time kernel
150s
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 | |
| 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 |
UAC bypass
| Description | Indicator | Process | Target |
| Set value (int) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\PromptOnSecureDesktop = "0" | C:\SavesCommon\blockSurrogatesession.exe | N/A |
| Set value (int) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" | C:\Program Files\VideoLAN\VLC\skins\fonts\RuntimeBroker.exe | N/A |
| Set value (int) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\ConsentPromptBehaviorAdmin = "0" | C:\Program Files\VideoLAN\VLC\skins\fonts\RuntimeBroker.exe | N/A |
| Set value (int) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\PromptOnSecureDesktop = "0" | C:\Program Files\VideoLAN\VLC\skins\fonts\RuntimeBroker.exe | N/A |
| Set value (int) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" | C:\SavesCommon\blockSurrogatesession.exe | N/A |
| Set value (int) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\ConsentPromptBehaviorAdmin = "0" | C:\SavesCommon\blockSurrogatesession.exe | N/A |
DCRat payload
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-2447855248-390457009-3660902674-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\EX Cheker.exe | N/A |
| Key value queried | \REGISTRY\USER\S-1-5-21-2447855248-390457009-3660902674-1000\Control Panel\International\Geo\Nation | C:\Windows\SysWOW64\WScript.exe | N/A |
| Key value queried | \REGISTRY\USER\S-1-5-21-2447855248-390457009-3660902674-1000\Control Panel\International\Geo\Nation | C:\SavesCommon\blockSurrogatesession.exe | N/A |
| Key value queried | \REGISTRY\USER\S-1-5-21-2447855248-390457009-3660902674-1000\Control Panel\International\Geo\Nation | C:\Program Files\VideoLAN\VLC\skins\fonts\RuntimeBroker.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\SavesCommon\blockSurrogatesession.exe | N/A |
| N/A | N/A | C:\Program Files\VideoLAN\VLC\skins\fonts\RuntimeBroker.exe | N/A |
Reads user/profile data of web browsers
Checks whether UAC is enabled
| Description | Indicator | Process | Target |
| Set value (int) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" | C:\Program Files\VideoLAN\VLC\skins\fonts\RuntimeBroker.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA | C:\SavesCommon\blockSurrogatesession.exe | N/A |
| Set value (int) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" | C:\SavesCommon\blockSurrogatesession.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA | C:\Program Files\VideoLAN\VLC\skins\fonts\RuntimeBroker.exe | N/A |
Drops file in Program Files directory
| Description | Indicator | Process | Target |
| File created | C:\Program Files\Reference Assemblies\Microsoft\Framework\v3.0\SearchApp.exe | C:\SavesCommon\blockSurrogatesession.exe | N/A |
| File created | C:\Program Files (x86)\Windows Photo Viewer\fontdrvhost.exe | C:\SavesCommon\blockSurrogatesession.exe | N/A |
| File created | C:\Program Files (x86)\Windows Photo Viewer\5b884080fd4f94 | C:\SavesCommon\blockSurrogatesession.exe | N/A |
| File created | C:\Program Files\Common Files\microsoft shared\Source Engine\sppsvc.exe | C:\SavesCommon\blockSurrogatesession.exe | N/A |
| File created | C:\Program Files\Common Files\microsoft shared\Source Engine\0a1fd5f707cd16 | C:\SavesCommon\blockSurrogatesession.exe | N/A |
| File created | C:\Program Files (x86)\Windows NT\TableTextService\en-US\explorer.exe | C:\SavesCommon\blockSurrogatesession.exe | N/A |
| File created | C:\Program Files (x86)\Windows NT\TableTextService\en-US\7a0fd90576e088 | C:\SavesCommon\blockSurrogatesession.exe | N/A |
| File created | C:\Program Files\Reference Assemblies\Microsoft\Framework\v3.0\38384e6a620884 | C:\SavesCommon\blockSurrogatesession.exe | N/A |
| File created | C:\Program Files\VideoLAN\VLC\skins\fonts\RuntimeBroker.exe | C:\SavesCommon\blockSurrogatesession.exe | N/A |
| File created | C:\Program Files\VideoLAN\VLC\skins\fonts\9e8d7a4ca61bd9 | C:\SavesCommon\blockSurrogatesession.exe | N/A |
Enumerates physical storage devices
Creates scheduled task(s)
Modifies registry class
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\USER\S-1-5-21-2447855248-390457009-3660902674-1000_Classes\Local Settings | C:\Users\Admin\AppData\Local\Temp\EX Cheker.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-2447855248-390457009-3660902674-1000_Classes\Local Settings | C:\Program Files\VideoLAN\VLC\skins\fonts\RuntimeBroker.exe | N/A |
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Program Files\VideoLAN\VLC\skins\fonts\RuntimeBroker.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\SavesCommon\blockSurrogatesession.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Program Files\VideoLAN\VLC\skins\fonts\RuntimeBroker.exe | N/A |
| Token: SeBackupPrivilege | N/A | C:\Windows\system32\vssvc.exe | N/A |
| Token: SeRestorePrivilege | N/A | C:\Windows\system32\vssvc.exe | N/A |
| Token: SeAuditPrivilege | N/A | C:\Windows\system32\vssvc.exe | N/A |
Suspicious use of WriteProcessMemory
System policy modification
| Description | Indicator | Process | Target |
| Set value (int) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\ConsentPromptBehaviorAdmin = "0" | C:\SavesCommon\blockSurrogatesession.exe | N/A |
| Set value (int) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\PromptOnSecureDesktop = "0" | C:\SavesCommon\blockSurrogatesession.exe | N/A |
| Set value (int) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" | C:\Program Files\VideoLAN\VLC\skins\fonts\RuntimeBroker.exe | N/A |
| Set value (int) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\ConsentPromptBehaviorAdmin = "0" | C:\Program Files\VideoLAN\VLC\skins\fonts\RuntimeBroker.exe | N/A |
| Set value (int) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\PromptOnSecureDesktop = "0" | C:\Program Files\VideoLAN\VLC\skins\fonts\RuntimeBroker.exe | N/A |
| Set value (int) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" | C:\SavesCommon\blockSurrogatesession.exe | N/A |
Uses Task Scheduler COM API
Uses Volume Shadow Copy service COM API
Processes
C:\Users\Admin\AppData\Local\Temp\EX Cheker.exe
"C:\Users\Admin\AppData\Local\Temp\EX Cheker.exe"
C:\Windows\SysWOW64\WScript.exe
"C:\Windows\System32\WScript.exe" "C:\SavesCommon\Rykk8j79.vbe"
C:\Windows\SysWOW64\cmd.exe
C:\Windows\system32\cmd.exe /c ""C:\SavesCommon\aj3oL98d.bat" "
C:\SavesCommon\blockSurrogatesession.exe
"C:\SavesCommon\blockSurrogatesession.exe"
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "dllhostd" /sc MINUTE /mo 12 /tr "'C:\Users\Default User\dllhost.exe'" /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "dllhost" /sc ONLOGON /tr "'C:\Users\Default User\dllhost.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "dllhostd" /sc MINUTE /mo 11 /tr "'C:\Users\Default User\dllhost.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "dwmd" /sc MINUTE /mo 9 /tr "'C:\Users\All Users\Microsoft OneDrive\dwm.exe'" /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "dwm" /sc ONLOGON /tr "'C:\Users\All Users\Microsoft OneDrive\dwm.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "dwmd" /sc MINUTE /mo 10 /tr "'C:\Users\All Users\Microsoft OneDrive\dwm.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "fontdrvhostf" /sc MINUTE /mo 9 /tr "'C:\SavesCommon\fontdrvhost.exe'" /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "fontdrvhost" /sc ONLOGON /tr "'C:\SavesCommon\fontdrvhost.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "fontdrvhostf" /sc MINUTE /mo 14 /tr "'C:\SavesCommon\fontdrvhost.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "sysmons" /sc MINUTE /mo 13 /tr "'C:\SavesCommon\sysmon.exe'" /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "sysmon" /sc ONLOGON /tr "'C:\SavesCommon\sysmon.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "sysmons" /sc MINUTE /mo 11 /tr "'C:\SavesCommon\sysmon.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "sppsvcs" /sc MINUTE /mo 13 /tr "'C:\Program Files\Common Files\microsoft shared\Source Engine\sppsvc.exe'" /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "sppsvc" /sc ONLOGON /tr "'C:\Program Files\Common Files\microsoft shared\Source Engine\sppsvc.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "sppsvcs" /sc MINUTE /mo 10 /tr "'C:\Program Files\Common Files\microsoft shared\Source Engine\sppsvc.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "dwmd" /sc MINUTE /mo 6 /tr "'C:\Users\Admin\Videos\dwm.exe'" /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "dwm" /sc ONLOGON /tr "'C:\Users\Admin\Videos\dwm.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "dwmd" /sc MINUTE /mo 9 /tr "'C:\Users\Admin\Videos\dwm.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "conhostc" /sc MINUTE /mo 14 /tr "'C:\Recovery\WindowsRE\conhost.exe'" /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "conhost" /sc ONLOGON /tr "'C:\Recovery\WindowsRE\conhost.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "conhostc" /sc MINUTE /mo 7 /tr "'C:\Recovery\WindowsRE\conhost.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "unsecappu" /sc MINUTE /mo 7 /tr "'C:\SavesCommon\unsecapp.exe'" /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "unsecapp" /sc ONLOGON /tr "'C:\SavesCommon\unsecapp.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "unsecappu" /sc MINUTE /mo 6 /tr "'C:\SavesCommon\unsecapp.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "explorere" /sc MINUTE /mo 11 /tr "'C:\Program Files (x86)\Windows NT\TableTextService\en-US\explorer.exe'" /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "explorer" /sc ONLOGON /tr "'C:\Program Files (x86)\Windows NT\TableTextService\en-US\explorer.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "explorere" /sc MINUTE /mo 9 /tr "'C:\Program Files (x86)\Windows NT\TableTextService\en-US\explorer.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "sppsvcs" /sc MINUTE /mo 9 /tr "'C:\Users\Public\Downloads\sppsvc.exe'" /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "sppsvc" /sc ONLOGON /tr "'C:\Users\Public\Downloads\sppsvc.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "sppsvcs" /sc MINUTE /mo 13 /tr "'C:\Users\Public\Downloads\sppsvc.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "SearchAppS" /sc MINUTE /mo 5 /tr "'C:\Program Files\Reference Assemblies\Microsoft\Framework\v3.0\SearchApp.exe'" /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "SearchApp" /sc ONLOGON /tr "'C:\Program Files\Reference Assemblies\Microsoft\Framework\v3.0\SearchApp.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "SearchAppS" /sc MINUTE /mo 10 /tr "'C:\Program Files\Reference Assemblies\Microsoft\Framework\v3.0\SearchApp.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "fontdrvhostf" /sc MINUTE /mo 9 /tr "'C:\SavesCommon\fontdrvhost.exe'" /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "fontdrvhost" /sc ONLOGON /tr "'C:\SavesCommon\fontdrvhost.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "fontdrvhostf" /sc MINUTE /mo 9 /tr "'C:\SavesCommon\fontdrvhost.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "fontdrvhostf" /sc MINUTE /mo 11 /tr "'C:\Program Files (x86)\Windows Photo Viewer\fontdrvhost.exe'" /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "fontdrvhost" /sc ONLOGON /tr "'C:\Program Files (x86)\Windows Photo Viewer\fontdrvhost.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "fontdrvhostf" /sc MINUTE /mo 14 /tr "'C:\Program Files (x86)\Windows Photo Viewer\fontdrvhost.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "RuntimeBrokerR" /sc MINUTE /mo 14 /tr "'C:\Program Files\VideoLAN\VLC\skins\fonts\RuntimeBroker.exe'" /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "RuntimeBroker" /sc ONLOGON /tr "'C:\Program Files\VideoLAN\VLC\skins\fonts\RuntimeBroker.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "RuntimeBrokerR" /sc MINUTE /mo 6 /tr "'C:\Program Files\VideoLAN\VLC\skins\fonts\RuntimeBroker.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "dllhostd" /sc MINUTE /mo 10 /tr "'C:\Recovery\WindowsRE\dllhost.exe'" /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "dllhost" /sc ONLOGON /tr "'C:\Recovery\WindowsRE\dllhost.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "dllhostd" /sc MINUTE /mo 12 /tr "'C:\Recovery\WindowsRE\dllhost.exe'" /rl HIGHEST /f
C:\Program Files\VideoLAN\VLC\skins\fonts\RuntimeBroker.exe
"C:\Program Files\VideoLAN\VLC\skins\fonts\RuntimeBroker.exe"
C:\Windows\System32\WScript.exe
"C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\04801d5a-46ac-4ec5-8647-098b3751923e.vbs"
C:\Windows\System32\WScript.exe
"C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\4b8ea4ed-6d38-44c6-931a-1940b331acef.vbs"
C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | g.bing.com | udp |
| US | 13.107.21.237:443 | g.bing.com | tcp |
| NL | 23.62.61.171:443 | www.bing.com | tcp |
| US | 8.8.8.8:53 | 73.31.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 241.197.17.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 171.61.62.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | sddfasdasfdewfdsaffd.000webhostapp.com | udp |
| US | 145.14.144.161:80 | sddfasdasfdewfdsaffd.000webhostapp.com | tcp |
| US | 145.14.144.161:80 | sddfasdasfdewfdsaffd.000webhostapp.com | tcp |
| US | 8.8.8.8:53 | 161.144.14.145.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 183.59.114.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 18.31.95.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 31.251.17.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 249.197.17.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 11.227.111.52.in-addr.arpa | udp |
| US | 145.14.144.161:80 | sddfasdasfdewfdsaffd.000webhostapp.com | tcp |
| US | 8.8.8.8:53 | sddfasdasfdewfdsaffd.000webhostapp.com | udp |
| US | 145.14.145.138:80 | sddfasdasfdewfdsaffd.000webhostapp.com | tcp |
| US | 8.8.8.8:53 | 138.145.14.145.in-addr.arpa | udp |
Files
C:\SavesCommon\Rykk8j79.vbe
| MD5 | 8175d3e3a77ac089e12ed87b88918cba |
| SHA1 | ecbf23a03bee2713701f848d3f2f84b50a8c34a3 |
| SHA256 | 68e1f913ef22c414344c15bd15ecf25155dd751c83ced00e930c305ebf3954b3 |
| SHA512 | 8cfc2bd383e1983264010d15f1d9c2851947d2e978b5996b81b19f67a79c6485e0e60020267fdf89571a0523d2a7d69ac93089e2c0f5e871c8845ff34361b3f5 |
C:\SavesCommon\aj3oL98d.bat
| MD5 | 26c7d82b1d69a346f7b6f20bd53ad1aa |
| SHA1 | 0e340e2fb78c2f6e82633a29a9eec8b6a80f2403 |
| SHA256 | 6a9463daf129066a367e794a57eff4eb7b4632945fa3f2869ab63fb218199071 |
| SHA512 | 60c71bc970d9b236fe4ce0093634a51b144cd4cea7a6a7e4fc9493338f14529d0ad1e24fc927494d6aecebc06078340f9b725ced57fdbd0d751beef9211af991 |
C:\SavesCommon\blockSurrogatesession.exe
| MD5 | ccf723c2a4e53539affeb430b0afc5c5 |
| SHA1 | 257dbd6c98f74502cd70c526b94c33c52930286c |
| SHA256 | 27841168a182b17e08a67b67a48467f970ab70a25975c6e8e8c68e38fcfbce36 |
| SHA512 | 083eae82fc45ce1d22c4bb2b0e21e3242d199690608d1e9c52a4e7e93bd59ee46c3beb0c38554513ec06bf9ec4c3d584334ed316cef0b5e4c00cebe27c5ae971 |
memory/5016-13-0x00007FFEC06F3000-0x00007FFEC06F5000-memory.dmp
memory/5016-12-0x00000000001E0000-0x000000000034C000-memory.dmp
memory/5016-14-0x0000000002460000-0x000000000246E000-memory.dmp
memory/5016-15-0x0000000002470000-0x000000000248C000-memory.dmp
memory/5016-16-0x00000000024E0000-0x0000000002530000-memory.dmp
memory/5016-17-0x0000000002490000-0x00000000024A0000-memory.dmp
memory/5016-18-0x00000000024A0000-0x00000000024B6000-memory.dmp
memory/5016-19-0x00000000024C0000-0x00000000024CA000-memory.dmp
memory/5016-20-0x00000000024D0000-0x00000000024DA000-memory.dmp
memory/5016-22-0x000000001B020000-0x000000001B02C000-memory.dmp
memory/5016-21-0x000000001B010000-0x000000001B018000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\04801d5a-46ac-4ec5-8647-098b3751923e.vbs
| MD5 | 31a68ce092a399f11a8e9d5a4242961c |
| SHA1 | 9d09455cfbd8e6158ea233dd45fa15427f5dd27f |
| SHA256 | 0fdae8d1af320c82150d2403d7aeeeabcfeb48f24034144ea9247f1d0a74d0f5 |
| SHA512 | 5e6cff19197e4100af10a34819df567790fc3681e8cc6d239b485e6eea052a8699a1818038f299719293d143de2b44bb7d38420ba1c40c987b30ebcaa0814466 |
C:\Users\Admin\AppData\Local\Temp\4b8ea4ed-6d38-44c6-931a-1940b331acef.vbs
| MD5 | 7e69e8580ae4016d06974a4715a2cbac |
| SHA1 | 6a2de28b7933129f89dd3dcdaef6d5447ff8e254 |
| SHA256 | 6430aafc4887d3844fe064fc6713918b0cb229977923725ac60e45648683e7c4 |
| SHA512 | 7d50bf0b4501eaf6dafc16dbb3ea13ba428aac7df43f96ce3ca4153a5f493b39f68c7701ffcdb2aab877d6732b1d4c62cb4c5b46b534496735a00731b4fc18ce |
memory/1332-111-0x000000001E400000-0x000000001E5A9000-memory.dmp