Analysis Overview
SHA256
fa39dd1b81fd531008083264294a6acddc409035850619c966f5bcb4c16cc682
Threat Level: Known bad
The file fa39dd1b81fd531008083264294a6acddc409035850619c966f5bcb4c16cc682.exe was found to be: Known bad.
Malicious Activity Summary
DCRat payload
Dcrat family
DcRat
Process spawned unexpected child process
Modifies WinLogon for persistence
DCRat payload
Executes dropped EXE
Checks computer location settings
Adds Run key to start application
Drops file in Windows directory
Drops file in Program Files directory
Enumerates physical storage devices
Unsigned PE
Uses Task Scheduler COM API
Suspicious use of WriteProcessMemory
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Scheduled Task/Job: Scheduled Task
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-07-21 10:23
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
2024-07-21 10:23
Reported
2024-07-21 10:25
Platform
win7-20240705-en
Max time kernel
118s
Max time network
119s
Command Line
Signatures
DcRat
Modifies WinLogon for persistence
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe, \"C:\\Windows\\system\\lsass.exe\"" | C:\Users\Admin\AppData\Local\Temp\fa39dd1b81fd531008083264294a6acddc409035850619c966f5bcb4c16cc682.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe, \"C:\\Windows\\system\\lsass.exe\", \"C:\\MSOCache\\All Users\\{90140000-001A-0409-0000-0000000FF1CE}-C\\taskhost.exe\", \"C:\\Windows\\de-DE\\csrss.exe\"" | C:\Users\Admin\AppData\Local\Temp\fa39dd1b81fd531008083264294a6acddc409035850619c966f5bcb4c16cc682.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe, \"C:\\Windows\\system\\lsass.exe\", \"C:\\MSOCache\\All Users\\{90140000-001A-0409-0000-0000000FF1CE}-C\\taskhost.exe\", \"C:\\Windows\\de-DE\\csrss.exe\", \"C:\\Program Files (x86)\\Microsoft Visual Studio 8\\SDK\\System.exe\", \"C:\\Program Files\\DVD Maker\\OSPPSVC.exe\"" | C:\Users\Admin\AppData\Local\Temp\fa39dd1b81fd531008083264294a6acddc409035850619c966f5bcb4c16cc682.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe, \"C:\\Windows\\system\\lsass.exe\", \"C:\\MSOCache\\All Users\\{90140000-001A-0409-0000-0000000FF1CE}-C\\taskhost.exe\", \"C:\\Windows\\de-DE\\csrss.exe\", \"C:\\Program Files (x86)\\Microsoft Visual Studio 8\\SDK\\System.exe\", \"C:\\Program Files\\DVD Maker\\OSPPSVC.exe\", \"C:\\MSOCache\\All Users\\{90140000-0016-0409-0000-0000000FF1CE}-C\\smss.exe\", \"C:\\Users\\Public\\Pictures\\Sample Pictures\\audiodg.exe\"" | C:\Users\Admin\AppData\Local\Temp\fa39dd1b81fd531008083264294a6acddc409035850619c966f5bcb4c16cc682.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe, \"C:\\Windows\\system\\lsass.exe\", \"C:\\MSOCache\\All Users\\{90140000-001A-0409-0000-0000000FF1CE}-C\\taskhost.exe\", \"C:\\Windows\\de-DE\\csrss.exe\", \"C:\\Program Files (x86)\\Microsoft Visual Studio 8\\SDK\\System.exe\", \"C:\\Program Files\\DVD Maker\\OSPPSVC.exe\", \"C:\\MSOCache\\All Users\\{90140000-0016-0409-0000-0000000FF1CE}-C\\smss.exe\", \"C:\\Users\\Public\\Pictures\\Sample Pictures\\audiodg.exe\", \"C:\\Windows\\TAPI\\fa39dd1b81fd531008083264294a6acddc409035850619c966f5bcb4c16cc682.exe\"" | C:\Users\Admin\AppData\Local\Temp\fa39dd1b81fd531008083264294a6acddc409035850619c966f5bcb4c16cc682.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe, \"C:\\Windows\\system\\lsass.exe\", \"C:\\MSOCache\\All Users\\{90140000-001A-0409-0000-0000000FF1CE}-C\\taskhost.exe\", \"C:\\Windows\\de-DE\\csrss.exe\", \"C:\\Program Files (x86)\\Microsoft Visual Studio 8\\SDK\\System.exe\", \"C:\\Program Files\\DVD Maker\\OSPPSVC.exe\", \"C:\\MSOCache\\All Users\\{90140000-0016-0409-0000-0000000FF1CE}-C\\smss.exe\", \"C:\\Users\\Public\\Pictures\\Sample Pictures\\audiodg.exe\", \"C:\\Windows\\TAPI\\fa39dd1b81fd531008083264294a6acddc409035850619c966f5bcb4c16cc682.exe\", \"C:\\Windows\\Help\\Windows\\fa39dd1b81fd531008083264294a6acddc409035850619c966f5bcb4c16cc682.exe\"" | C:\Users\Admin\AppData\Local\Temp\fa39dd1b81fd531008083264294a6acddc409035850619c966f5bcb4c16cc682.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe, \"C:\\Windows\\system\\lsass.exe\", \"C:\\MSOCache\\All Users\\{90140000-001A-0409-0000-0000000FF1CE}-C\\taskhost.exe\"" | C:\Users\Admin\AppData\Local\Temp\fa39dd1b81fd531008083264294a6acddc409035850619c966f5bcb4c16cc682.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe, \"C:\\Windows\\system\\lsass.exe\", \"C:\\MSOCache\\All Users\\{90140000-001A-0409-0000-0000000FF1CE}-C\\taskhost.exe\", \"C:\\Windows\\de-DE\\csrss.exe\", \"C:\\Program Files (x86)\\Microsoft Visual Studio 8\\SDK\\System.exe\"" | C:\Users\Admin\AppData\Local\Temp\fa39dd1b81fd531008083264294a6acddc409035850619c966f5bcb4c16cc682.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe, \"C:\\Windows\\system\\lsass.exe\", \"C:\\MSOCache\\All Users\\{90140000-001A-0409-0000-0000000FF1CE}-C\\taskhost.exe\", \"C:\\Windows\\de-DE\\csrss.exe\", \"C:\\Program Files (x86)\\Microsoft Visual Studio 8\\SDK\\System.exe\", \"C:\\Program Files\\DVD Maker\\OSPPSVC.exe\", \"C:\\MSOCache\\All Users\\{90140000-0016-0409-0000-0000000FF1CE}-C\\smss.exe\"" | C:\Users\Admin\AppData\Local\Temp\fa39dd1b81fd531008083264294a6acddc409035850619c966f5bcb4c16cc682.exe | N/A |
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 |
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:\Windows\TAPI\fa39dd1b81fd531008083264294a6acddc409035850619c966f5bcb4c16cc682.exe | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-2172136094-3310281978-782691160-1000\Software\Microsoft\Windows\CurrentVersion\Run\lsass = "\"C:\\Windows\\system\\lsass.exe\"" | C:\Users\Admin\AppData\Local\Temp\fa39dd1b81fd531008083264294a6acddc409035850619c966f5bcb4c16cc682.exe | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-2172136094-3310281978-782691160-1000\Software\Microsoft\Windows\CurrentVersion\Run\taskhost = "\"C:\\MSOCache\\All Users\\{90140000-001A-0409-0000-0000000FF1CE}-C\\taskhost.exe\"" | C:\Users\Admin\AppData\Local\Temp\fa39dd1b81fd531008083264294a6acddc409035850619c966f5bcb4c16cc682.exe | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-2172136094-3310281978-782691160-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\de-DE\\csrss.exe\"" | C:\Users\Admin\AppData\Local\Temp\fa39dd1b81fd531008083264294a6acddc409035850619c966f5bcb4c16cc682.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\smss = "\"C:\\MSOCache\\All Users\\{90140000-0016-0409-0000-0000000FF1CE}-C\\smss.exe\"" | C:\Users\Admin\AppData\Local\Temp\fa39dd1b81fd531008083264294a6acddc409035850619c966f5bcb4c16cc682.exe | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-2172136094-3310281978-782691160-1000\Software\Microsoft\Windows\CurrentVersion\Run\fa39dd1b81fd531008083264294a6acddc409035850619c966f5bcb4c16cc682 = "\"C:\\Windows\\Help\\Windows\\fa39dd1b81fd531008083264294a6acddc409035850619c966f5bcb4c16cc682.exe\"" | C:\Users\Admin\AppData\Local\Temp\fa39dd1b81fd531008083264294a6acddc409035850619c966f5bcb4c16cc682.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\audiodg = "\"C:\\Users\\Public\\Pictures\\Sample Pictures\\audiodg.exe\"" | C:\Users\Admin\AppData\Local\Temp\fa39dd1b81fd531008083264294a6acddc409035850619c966f5bcb4c16cc682.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\taskhost = "\"C:\\MSOCache\\All Users\\{90140000-001A-0409-0000-0000000FF1CE}-C\\taskhost.exe\"" | C:\Users\Admin\AppData\Local\Temp\fa39dd1b81fd531008083264294a6acddc409035850619c966f5bcb4c16cc682.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\de-DE\\csrss.exe\"" | C:\Users\Admin\AppData\Local\Temp\fa39dd1b81fd531008083264294a6acddc409035850619c966f5bcb4c16cc682.exe | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-2172136094-3310281978-782691160-1000\Software\Microsoft\Windows\CurrentVersion\Run\System = "\"C:\\Program Files (x86)\\Microsoft Visual Studio 8\\SDK\\System.exe\"" | C:\Users\Admin\AppData\Local\Temp\fa39dd1b81fd531008083264294a6acddc409035850619c966f5bcb4c16cc682.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\OSPPSVC = "\"C:\\Program Files\\DVD Maker\\OSPPSVC.exe\"" | C:\Users\Admin\AppData\Local\Temp\fa39dd1b81fd531008083264294a6acddc409035850619c966f5bcb4c16cc682.exe | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-2172136094-3310281978-782691160-1000\Software\Microsoft\Windows\CurrentVersion\Run\audiodg = "\"C:\\Users\\Public\\Pictures\\Sample Pictures\\audiodg.exe\"" | C:\Users\Admin\AppData\Local\Temp\fa39dd1b81fd531008083264294a6acddc409035850619c966f5bcb4c16cc682.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\System = "\"C:\\Program Files (x86)\\Microsoft Visual Studio 8\\SDK\\System.exe\"" | C:\Users\Admin\AppData\Local\Temp\fa39dd1b81fd531008083264294a6acddc409035850619c966f5bcb4c16cc682.exe | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-2172136094-3310281978-782691160-1000\Software\Microsoft\Windows\CurrentVersion\Run\smss = "\"C:\\MSOCache\\All Users\\{90140000-0016-0409-0000-0000000FF1CE}-C\\smss.exe\"" | C:\Users\Admin\AppData\Local\Temp\fa39dd1b81fd531008083264294a6acddc409035850619c966f5bcb4c16cc682.exe | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-2172136094-3310281978-782691160-1000\Software\Microsoft\Windows\CurrentVersion\Run\fa39dd1b81fd531008083264294a6acddc409035850619c966f5bcb4c16cc682 = "\"C:\\Windows\\TAPI\\fa39dd1b81fd531008083264294a6acddc409035850619c966f5bcb4c16cc682.exe\"" | C:\Users\Admin\AppData\Local\Temp\fa39dd1b81fd531008083264294a6acddc409035850619c966f5bcb4c16cc682.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\fa39dd1b81fd531008083264294a6acddc409035850619c966f5bcb4c16cc682 = "\"C:\\Windows\\Help\\Windows\\fa39dd1b81fd531008083264294a6acddc409035850619c966f5bcb4c16cc682.exe\"" | C:\Users\Admin\AppData\Local\Temp\fa39dd1b81fd531008083264294a6acddc409035850619c966f5bcb4c16cc682.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\lsass = "\"C:\\Windows\\system\\lsass.exe\"" | C:\Users\Admin\AppData\Local\Temp\fa39dd1b81fd531008083264294a6acddc409035850619c966f5bcb4c16cc682.exe | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-2172136094-3310281978-782691160-1000\Software\Microsoft\Windows\CurrentVersion\Run\OSPPSVC = "\"C:\\Program Files\\DVD Maker\\OSPPSVC.exe\"" | C:\Users\Admin\AppData\Local\Temp\fa39dd1b81fd531008083264294a6acddc409035850619c966f5bcb4c16cc682.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\fa39dd1b81fd531008083264294a6acddc409035850619c966f5bcb4c16cc682 = "\"C:\\Windows\\TAPI\\fa39dd1b81fd531008083264294a6acddc409035850619c966f5bcb4c16cc682.exe\"" | C:\Users\Admin\AppData\Local\Temp\fa39dd1b81fd531008083264294a6acddc409035850619c966f5bcb4c16cc682.exe | N/A |
Drops file in Program Files directory
| Description | Indicator | Process | Target |
| File created | C:\Program Files (x86)\Microsoft Visual Studio 8\SDK\System.exe | C:\Users\Admin\AppData\Local\Temp\fa39dd1b81fd531008083264294a6acddc409035850619c966f5bcb4c16cc682.exe | N/A |
| File created | C:\Program Files (x86)\Microsoft Visual Studio 8\SDK\27d1bcfc3c54e0 | C:\Users\Admin\AppData\Local\Temp\fa39dd1b81fd531008083264294a6acddc409035850619c966f5bcb4c16cc682.exe | N/A |
| File created | C:\Program Files\DVD Maker\OSPPSVC.exe | C:\Users\Admin\AppData\Local\Temp\fa39dd1b81fd531008083264294a6acddc409035850619c966f5bcb4c16cc682.exe | N/A |
| File created | C:\Program Files\DVD Maker\1610b97d3ab4a7 | C:\Users\Admin\AppData\Local\Temp\fa39dd1b81fd531008083264294a6acddc409035850619c966f5bcb4c16cc682.exe | N/A |
Drops file in Windows directory
Enumerates physical storage devices
Scheduled Task/Job: Scheduled Task
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\fa39dd1b81fd531008083264294a6acddc409035850619c966f5bcb4c16cc682.exe | N/A |
| N/A | N/A | C:\Windows\TAPI\fa39dd1b81fd531008083264294a6acddc409035850619c966f5bcb4c16cc682.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\fa39dd1b81fd531008083264294a6acddc409035850619c966f5bcb4c16cc682.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Windows\TAPI\fa39dd1b81fd531008083264294a6acddc409035850619c966f5bcb4c16cc682.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 3036 wrote to memory of 2064 | N/A | C:\Users\Admin\AppData\Local\Temp\fa39dd1b81fd531008083264294a6acddc409035850619c966f5bcb4c16cc682.exe | C:\Windows\TAPI\fa39dd1b81fd531008083264294a6acddc409035850619c966f5bcb4c16cc682.exe |
| PID 3036 wrote to memory of 2064 | N/A | C:\Users\Admin\AppData\Local\Temp\fa39dd1b81fd531008083264294a6acddc409035850619c966f5bcb4c16cc682.exe | C:\Windows\TAPI\fa39dd1b81fd531008083264294a6acddc409035850619c966f5bcb4c16cc682.exe |
| PID 3036 wrote to memory of 2064 | N/A | C:\Users\Admin\AppData\Local\Temp\fa39dd1b81fd531008083264294a6acddc409035850619c966f5bcb4c16cc682.exe | C:\Windows\TAPI\fa39dd1b81fd531008083264294a6acddc409035850619c966f5bcb4c16cc682.exe |
Uses Task Scheduler COM API
Processes
C:\Users\Admin\AppData\Local\Temp\fa39dd1b81fd531008083264294a6acddc409035850619c966f5bcb4c16cc682.exe
"C:\Users\Admin\AppData\Local\Temp\fa39dd1b81fd531008083264294a6acddc409035850619c966f5bcb4c16cc682.exe"
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "lsassl" /sc MINUTE /mo 12 /tr "'C:\Windows\system\lsass.exe'" /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "lsass" /sc ONLOGON /tr "'C:\Windows\system\lsass.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "lsassl" /sc MINUTE /mo 5 /tr "'C:\Windows\system\lsass.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "taskhostt" /sc MINUTE /mo 14 /tr "'C:\MSOCache\All Users\{90140000-001A-0409-0000-0000000FF1CE}-C\taskhost.exe'" /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "taskhost" /sc ONLOGON /tr "'C:\MSOCache\All Users\{90140000-001A-0409-0000-0000000FF1CE}-C\taskhost.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "taskhostt" /sc MINUTE /mo 10 /tr "'C:\MSOCache\All Users\{90140000-001A-0409-0000-0000000FF1CE}-C\taskhost.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "csrssc" /sc MINUTE /mo 12 /tr "'C:\Windows\de-DE\csrss.exe'" /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "csrss" /sc ONLOGON /tr "'C:\Windows\de-DE\csrss.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "csrssc" /sc MINUTE /mo 8 /tr "'C:\Windows\de-DE\csrss.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "SystemS" /sc MINUTE /mo 7 /tr "'C:\Program Files (x86)\Microsoft Visual Studio 8\SDK\System.exe'" /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "System" /sc ONLOGON /tr "'C:\Program Files (x86)\Microsoft Visual Studio 8\SDK\System.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "SystemS" /sc MINUTE /mo 9 /tr "'C:\Program Files (x86)\Microsoft Visual Studio 8\SDK\System.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "OSPPSVCO" /sc MINUTE /mo 9 /tr "'C:\Program Files\DVD Maker\OSPPSVC.exe'" /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "OSPPSVC" /sc ONLOGON /tr "'C:\Program Files\DVD Maker\OSPPSVC.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "OSPPSVCO" /sc MINUTE /mo 5 /tr "'C:\Program Files\DVD Maker\OSPPSVC.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "smsss" /sc MINUTE /mo 8 /tr "'C:\MSOCache\All Users\{90140000-0016-0409-0000-0000000FF1CE}-C\smss.exe'" /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "smss" /sc ONLOGON /tr "'C:\MSOCache\All Users\{90140000-0016-0409-0000-0000000FF1CE}-C\smss.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "smsss" /sc MINUTE /mo 9 /tr "'C:\MSOCache\All Users\{90140000-0016-0409-0000-0000000FF1CE}-C\smss.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "audiodga" /sc MINUTE /mo 12 /tr "'C:\Users\Public\Pictures\Sample Pictures\audiodg.exe'" /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "audiodg" /sc ONLOGON /tr "'C:\Users\Public\Pictures\Sample Pictures\audiodg.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "audiodga" /sc MINUTE /mo 11 /tr "'C:\Users\Public\Pictures\Sample Pictures\audiodg.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "fa39dd1b81fd531008083264294a6acddc409035850619c966f5bcb4c16cc682f" /sc MINUTE /mo 13 /tr "'C:\Windows\TAPI\fa39dd1b81fd531008083264294a6acddc409035850619c966f5bcb4c16cc682.exe'" /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "fa39dd1b81fd531008083264294a6acddc409035850619c966f5bcb4c16cc682" /sc ONLOGON /tr "'C:\Windows\TAPI\fa39dd1b81fd531008083264294a6acddc409035850619c966f5bcb4c16cc682.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "fa39dd1b81fd531008083264294a6acddc409035850619c966f5bcb4c16cc682f" /sc MINUTE /mo 10 /tr "'C:\Windows\TAPI\fa39dd1b81fd531008083264294a6acddc409035850619c966f5bcb4c16cc682.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "fa39dd1b81fd531008083264294a6acddc409035850619c966f5bcb4c16cc682f" /sc MINUTE /mo 7 /tr "'C:\Windows\Help\Windows\fa39dd1b81fd531008083264294a6acddc409035850619c966f5bcb4c16cc682.exe'" /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "fa39dd1b81fd531008083264294a6acddc409035850619c966f5bcb4c16cc682" /sc ONLOGON /tr "'C:\Windows\Help\Windows\fa39dd1b81fd531008083264294a6acddc409035850619c966f5bcb4c16cc682.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "fa39dd1b81fd531008083264294a6acddc409035850619c966f5bcb4c16cc682f" /sc MINUTE /mo 5 /tr "'C:\Windows\Help\Windows\fa39dd1b81fd531008083264294a6acddc409035850619c966f5bcb4c16cc682.exe'" /rl HIGHEST /f
C:\Windows\TAPI\fa39dd1b81fd531008083264294a6acddc409035850619c966f5bcb4c16cc682.exe
"C:\Windows\TAPI\fa39dd1b81fd531008083264294a6acddc409035850619c966f5bcb4c16cc682.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | a1005337.xsph.ru | udp |
| RU | 141.8.192.26:80 | a1005337.xsph.ru | tcp |
Files
memory/3036-0-0x000007FEF5B83000-0x000007FEF5B84000-memory.dmp
memory/3036-1-0x00000000003B0000-0x0000000000486000-memory.dmp
memory/3036-2-0x000007FEF5B80000-0x000007FEF656C000-memory.dmp
C:\Program Files\DVD Maker\OSPPSVC.exe
| MD5 | ac9e1c7decb45fa41c77e30543bc535e |
| SHA1 | b89c25859b9b195d8768868be6d4b029bd395d1f |
| SHA256 | fa39dd1b81fd531008083264294a6acddc409035850619c966f5bcb4c16cc682 |
| SHA512 | 32ad2b8385fbb5206be47bd55f8a3af55ce6fd84c48771fec8b7fc39862fb9133aaf99de5672a548454c17fd05a03a0f3c1813df65b65fdae73ca7881393c417 |
memory/3036-27-0x000007FEF5B80000-0x000007FEF656C000-memory.dmp
memory/2064-28-0x0000000000F90000-0x0000000001066000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-07-21 10:23
Reported
2024-07-21 10:26
Platform
win10v2004-20240709-en
Max time kernel
142s
Max time network
145s
Command Line
Signatures
DcRat
Modifies WinLogon for persistence
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe, \"C:\\Users\\All Users\\Templates\\backgroundTaskHost.exe\", \"C:\\Program Files (x86)\\Mozilla Maintenance Service\\logs\\backgroundTaskHost.exe\", \"C:\\Program Files\\Windows Portable Devices\\fa39dd1b81fd531008083264294a6acddc409035850619c966f5bcb4c16cc682.exe\", \"C:\\Program Files (x86)\\Adobe\\Acrobat Reader DC\\Esl\\RuntimeBroker.exe\", \"C:\\Program Files (x86)\\WindowsPowerShell\\Configuration\\RuntimeBroker.exe\"" | C:\Users\Admin\AppData\Local\Temp\fa39dd1b81fd531008083264294a6acddc409035850619c966f5bcb4c16cc682.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe, \"C:\\Users\\All Users\\Templates\\backgroundTaskHost.exe\", \"C:\\Program Files (x86)\\Mozilla Maintenance Service\\logs\\backgroundTaskHost.exe\", \"C:\\Program Files\\Windows Portable Devices\\fa39dd1b81fd531008083264294a6acddc409035850619c966f5bcb4c16cc682.exe\", \"C:\\Program Files (x86)\\Adobe\\Acrobat Reader DC\\Esl\\RuntimeBroker.exe\", \"C:\\Program Files (x86)\\WindowsPowerShell\\Configuration\\RuntimeBroker.exe\", \"C:\\Windows\\SchCache\\OfficeClickToRun.exe\"" | C:\Users\Admin\AppData\Local\Temp\fa39dd1b81fd531008083264294a6acddc409035850619c966f5bcb4c16cc682.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe, \"C:\\Users\\All Users\\Templates\\backgroundTaskHost.exe\", \"C:\\Program Files (x86)\\Mozilla Maintenance Service\\logs\\backgroundTaskHost.exe\", \"C:\\Program Files\\Windows Portable Devices\\fa39dd1b81fd531008083264294a6acddc409035850619c966f5bcb4c16cc682.exe\", \"C:\\Program Files (x86)\\Adobe\\Acrobat Reader DC\\Esl\\RuntimeBroker.exe\", \"C:\\Program Files (x86)\\WindowsPowerShell\\Configuration\\RuntimeBroker.exe\", \"C:\\Windows\\SchCache\\OfficeClickToRun.exe\", \"C:\\Program Files (x86)\\Reference Assemblies\\Microsoft\\dwm.exe\"" | C:\Users\Admin\AppData\Local\Temp\fa39dd1b81fd531008083264294a6acddc409035850619c966f5bcb4c16cc682.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe, \"C:\\Users\\All Users\\Templates\\backgroundTaskHost.exe\"" | C:\Users\Admin\AppData\Local\Temp\fa39dd1b81fd531008083264294a6acddc409035850619c966f5bcb4c16cc682.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe, \"C:\\Users\\All Users\\Templates\\backgroundTaskHost.exe\", \"C:\\Program Files (x86)\\Mozilla Maintenance Service\\logs\\backgroundTaskHost.exe\"" | C:\Users\Admin\AppData\Local\Temp\fa39dd1b81fd531008083264294a6acddc409035850619c966f5bcb4c16cc682.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe, \"C:\\Users\\All Users\\Templates\\backgroundTaskHost.exe\", \"C:\\Program Files (x86)\\Mozilla Maintenance Service\\logs\\backgroundTaskHost.exe\", \"C:\\Program Files\\Windows Portable Devices\\fa39dd1b81fd531008083264294a6acddc409035850619c966f5bcb4c16cc682.exe\"" | C:\Users\Admin\AppData\Local\Temp\fa39dd1b81fd531008083264294a6acddc409035850619c966f5bcb4c16cc682.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe, \"C:\\Users\\All Users\\Templates\\backgroundTaskHost.exe\", \"C:\\Program Files (x86)\\Mozilla Maintenance Service\\logs\\backgroundTaskHost.exe\", \"C:\\Program Files\\Windows Portable Devices\\fa39dd1b81fd531008083264294a6acddc409035850619c966f5bcb4c16cc682.exe\", \"C:\\Program Files (x86)\\Adobe\\Acrobat Reader DC\\Esl\\RuntimeBroker.exe\"" | C:\Users\Admin\AppData\Local\Temp\fa39dd1b81fd531008083264294a6acddc409035850619c966f5bcb4c16cc682.exe | N/A |
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 |
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-1-5-21-1176886754-713327781-2233697964-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\fa39dd1b81fd531008083264294a6acddc409035850619c966f5bcb4c16cc682.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SchCache\OfficeClickToRun.exe | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-1176886754-713327781-2233697964-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\OfficeClickToRun = "\"C:\\Windows\\SchCache\\OfficeClickToRun.exe\"" | C:\Users\Admin\AppData\Local\Temp\fa39dd1b81fd531008083264294a6acddc409035850619c966f5bcb4c16cc682.exe | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-1176886754-713327781-2233697964-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\RuntimeBroker = "\"C:\\Program Files (x86)\\WindowsPowerShell\\Configuration\\RuntimeBroker.exe\"" | C:\Users\Admin\AppData\Local\Temp\fa39dd1b81fd531008083264294a6acddc409035850619c966f5bcb4c16cc682.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\RuntimeBroker = "\"C:\\Program Files (x86)\\WindowsPowerShell\\Configuration\\RuntimeBroker.exe\"" | C:\Users\Admin\AppData\Local\Temp\fa39dd1b81fd531008083264294a6acddc409035850619c966f5bcb4c16cc682.exe | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-1176886754-713327781-2233697964-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\dwm = "\"C:\\Program Files (x86)\\Reference Assemblies\\Microsoft\\dwm.exe\"" | C:\Users\Admin\AppData\Local\Temp\fa39dd1b81fd531008083264294a6acddc409035850619c966f5bcb4c16cc682.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\backgroundTaskHost = "\"C:\\Program Files (x86)\\Mozilla Maintenance Service\\logs\\backgroundTaskHost.exe\"" | C:\Users\Admin\AppData\Local\Temp\fa39dd1b81fd531008083264294a6acddc409035850619c966f5bcb4c16cc682.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\backgroundTaskHost = "\"C:\\Users\\All Users\\Templates\\backgroundTaskHost.exe\"" | C:\Users\Admin\AppData\Local\Temp\fa39dd1b81fd531008083264294a6acddc409035850619c966f5bcb4c16cc682.exe | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-1176886754-713327781-2233697964-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\RuntimeBroker = "\"C:\\Program Files (x86)\\Adobe\\Acrobat Reader DC\\Esl\\RuntimeBroker.exe\"" | C:\Users\Admin\AppData\Local\Temp\fa39dd1b81fd531008083264294a6acddc409035850619c966f5bcb4c16cc682.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\RuntimeBroker = "\"C:\\Program Files (x86)\\Adobe\\Acrobat Reader DC\\Esl\\RuntimeBroker.exe\"" | C:\Users\Admin\AppData\Local\Temp\fa39dd1b81fd531008083264294a6acddc409035850619c966f5bcb4c16cc682.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\OfficeClickToRun = "\"C:\\Windows\\SchCache\\OfficeClickToRun.exe\"" | C:\Users\Admin\AppData\Local\Temp\fa39dd1b81fd531008083264294a6acddc409035850619c966f5bcb4c16cc682.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\dwm = "\"C:\\Program Files (x86)\\Reference Assemblies\\Microsoft\\dwm.exe\"" | C:\Users\Admin\AppData\Local\Temp\fa39dd1b81fd531008083264294a6acddc409035850619c966f5bcb4c16cc682.exe | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-1176886754-713327781-2233697964-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\backgroundTaskHost = "\"C:\\Users\\All Users\\Templates\\backgroundTaskHost.exe\"" | C:\Users\Admin\AppData\Local\Temp\fa39dd1b81fd531008083264294a6acddc409035850619c966f5bcb4c16cc682.exe | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-1176886754-713327781-2233697964-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\fa39dd1b81fd531008083264294a6acddc409035850619c966f5bcb4c16cc682 = "\"C:\\Program Files\\Windows Portable Devices\\fa39dd1b81fd531008083264294a6acddc409035850619c966f5bcb4c16cc682.exe\"" | C:\Users\Admin\AppData\Local\Temp\fa39dd1b81fd531008083264294a6acddc409035850619c966f5bcb4c16cc682.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\fa39dd1b81fd531008083264294a6acddc409035850619c966f5bcb4c16cc682 = "\"C:\\Program Files\\Windows Portable Devices\\fa39dd1b81fd531008083264294a6acddc409035850619c966f5bcb4c16cc682.exe\"" | C:\Users\Admin\AppData\Local\Temp\fa39dd1b81fd531008083264294a6acddc409035850619c966f5bcb4c16cc682.exe | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-1176886754-713327781-2233697964-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\backgroundTaskHost = "\"C:\\Program Files (x86)\\Mozilla Maintenance Service\\logs\\backgroundTaskHost.exe\"" | C:\Users\Admin\AppData\Local\Temp\fa39dd1b81fd531008083264294a6acddc409035850619c966f5bcb4c16cc682.exe | N/A |
Drops file in Program Files directory
Drops file in Windows directory
| Description | Indicator | Process | Target |
| File created | C:\Windows\SchCache\OfficeClickToRun.exe | C:\Users\Admin\AppData\Local\Temp\fa39dd1b81fd531008083264294a6acddc409035850619c966f5bcb4c16cc682.exe | N/A |
| File created | C:\Windows\SchCache\e6c9b481da804f | C:\Users\Admin\AppData\Local\Temp\fa39dd1b81fd531008083264294a6acddc409035850619c966f5bcb4c16cc682.exe | N/A |
Enumerates physical storage devices
Scheduled Task/Job: Scheduled Task
| 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 |
| 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 |
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\fa39dd1b81fd531008083264294a6acddc409035850619c966f5bcb4c16cc682.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Windows\SchCache\OfficeClickToRun.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 4200 wrote to memory of 5036 | N/A | C:\Users\Admin\AppData\Local\Temp\fa39dd1b81fd531008083264294a6acddc409035850619c966f5bcb4c16cc682.exe | C:\Windows\SchCache\OfficeClickToRun.exe |
| PID 4200 wrote to memory of 5036 | N/A | C:\Users\Admin\AppData\Local\Temp\fa39dd1b81fd531008083264294a6acddc409035850619c966f5bcb4c16cc682.exe | C:\Windows\SchCache\OfficeClickToRun.exe |
Uses Task Scheduler COM API
Processes
C:\Users\Admin\AppData\Local\Temp\fa39dd1b81fd531008083264294a6acddc409035850619c966f5bcb4c16cc682.exe
"C:\Users\Admin\AppData\Local\Temp\fa39dd1b81fd531008083264294a6acddc409035850619c966f5bcb4c16cc682.exe"
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "backgroundTaskHostb" /sc MINUTE /mo 7 /tr "'C:\Users\All Users\Templates\backgroundTaskHost.exe'" /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "backgroundTaskHost" /sc ONLOGON /tr "'C:\Users\All Users\Templates\backgroundTaskHost.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "backgroundTaskHostb" /sc MINUTE /mo 11 /tr "'C:\Users\All Users\Templates\backgroundTaskHost.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "backgroundTaskHostb" /sc MINUTE /mo 8 /tr "'C:\Program Files (x86)\Mozilla Maintenance Service\logs\backgroundTaskHost.exe'" /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "backgroundTaskHost" /sc ONLOGON /tr "'C:\Program Files (x86)\Mozilla Maintenance Service\logs\backgroundTaskHost.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "backgroundTaskHostb" /sc MINUTE /mo 12 /tr "'C:\Program Files (x86)\Mozilla Maintenance Service\logs\backgroundTaskHost.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "fa39dd1b81fd531008083264294a6acddc409035850619c966f5bcb4c16cc682f" /sc MINUTE /mo 6 /tr "'C:\Program Files\Windows Portable Devices\fa39dd1b81fd531008083264294a6acddc409035850619c966f5bcb4c16cc682.exe'" /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "fa39dd1b81fd531008083264294a6acddc409035850619c966f5bcb4c16cc682" /sc ONLOGON /tr "'C:\Program Files\Windows Portable Devices\fa39dd1b81fd531008083264294a6acddc409035850619c966f5bcb4c16cc682.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "fa39dd1b81fd531008083264294a6acddc409035850619c966f5bcb4c16cc682f" /sc MINUTE /mo 12 /tr "'C:\Program Files\Windows Portable Devices\fa39dd1b81fd531008083264294a6acddc409035850619c966f5bcb4c16cc682.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "RuntimeBrokerR" /sc MINUTE /mo 7 /tr "'C:\Program Files (x86)\Adobe\Acrobat Reader DC\Esl\RuntimeBroker.exe'" /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "RuntimeBroker" /sc ONLOGON /tr "'C:\Program Files (x86)\Adobe\Acrobat Reader DC\Esl\RuntimeBroker.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "RuntimeBrokerR" /sc MINUTE /mo 14 /tr "'C:\Program Files (x86)\Adobe\Acrobat Reader DC\Esl\RuntimeBroker.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "RuntimeBrokerR" /sc MINUTE /mo 13 /tr "'C:\Program Files (x86)\WindowsPowerShell\Configuration\RuntimeBroker.exe'" /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "RuntimeBroker" /sc ONLOGON /tr "'C:\Program Files (x86)\WindowsPowerShell\Configuration\RuntimeBroker.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "RuntimeBrokerR" /sc MINUTE /mo 6 /tr "'C:\Program Files (x86)\WindowsPowerShell\Configuration\RuntimeBroker.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "OfficeClickToRunO" /sc MINUTE /mo 13 /tr "'C:\Windows\SchCache\OfficeClickToRun.exe'" /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "OfficeClickToRun" /sc ONLOGON /tr "'C:\Windows\SchCache\OfficeClickToRun.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "OfficeClickToRunO" /sc MINUTE /mo 13 /tr "'C:\Windows\SchCache\OfficeClickToRun.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "dwmd" /sc MINUTE /mo 8 /tr "'C:\Program Files (x86)\Reference Assemblies\Microsoft\dwm.exe'" /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "dwm" /sc ONLOGON /tr "'C:\Program Files (x86)\Reference Assemblies\Microsoft\dwm.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "dwmd" /sc MINUTE /mo 5 /tr "'C:\Program Files (x86)\Reference Assemblies\Microsoft\dwm.exe'" /rl HIGHEST /f
C:\Windows\SchCache\OfficeClickToRun.exe
"C:\Windows\SchCache\OfficeClickToRun.exe"
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 | 104.219.191.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | tse1.mm.bing.net | udp |
| US | 8.8.8.8:53 | g.bing.com | udp |
| US | 150.171.27.10:443 | tse1.mm.bing.net | tcp |
| US | 204.79.197.237:443 | g.bing.com | tcp |
| US | 150.171.27.10:443 | tse1.mm.bing.net | tcp |
| US | 8.8.8.8:53 | 136.32.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 237.197.79.204.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 88.156.103.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | a1005337.xsph.ru | udp |
| RU | 141.8.192.26:80 | a1005337.xsph.ru | tcp |
| US | 8.8.8.8:53 | 26.192.8.141.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 149.220.183.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 26.165.165.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 56.126.166.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 147.142.123.92.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 25.140.123.92.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 55.36.223.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 43.229.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | tse1.mm.bing.net | udp |
| US | 150.171.28.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.28.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.28.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.28.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.28.10:443 | tse1.mm.bing.net | tcp |
| US | 8.8.8.8:53 | 10.28.171.150.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 13.179.89.13.in-addr.arpa | udp |
Files
memory/4200-1-0x00007FFA5DC13000-0x00007FFA5DC15000-memory.dmp
memory/4200-0-0x0000000000390000-0x0000000000466000-memory.dmp
memory/4200-4-0x00007FFA5DC10000-0x00007FFA5E6D1000-memory.dmp
C:\Program Files (x86)\WindowsPowerShell\Configuration\RuntimeBroker.exe
| MD5 | ac9e1c7decb45fa41c77e30543bc535e |
| SHA1 | b89c25859b9b195d8768868be6d4b029bd395d1f |
| SHA256 | fa39dd1b81fd531008083264294a6acddc409035850619c966f5bcb4c16cc682 |
| SHA512 | 32ad2b8385fbb5206be47bd55f8a3af55ce6fd84c48771fec8b7fc39862fb9133aaf99de5672a548454c17fd05a03a0f3c1813df65b65fdae73ca7881393c417 |
memory/4200-28-0x00007FFA5DC10000-0x00007FFA5E6D1000-memory.dmp