Analysis Overview
SHA256
5a335f4ea90b29144cf268dccdc8f8e1757e57cccc941cc7334b8f4bd7999147
Threat Level: Known bad
The file 6e4e01af6b88116f0c7331bba5e7b782.exe was found to be: Known bad.
Malicious Activity Summary
Dcrat family
DcRat
Modifies WinLogon for persistence
Process spawned unexpected child process
DCRat payload
DCRat payload
Checks computer location settings
Executes dropped EXE
Adds Run key to start application
Looks up external IP address via web service
Drops file in System32 directory
Drops file in Program Files directory
Drops file in Windows directory
Unsigned PE
Enumerates physical storage devices
Uses Task Scheduler COM API
Suspicious use of WriteProcessMemory
Suspicious use of AdjustPrivilegeToken
Scheduled Task/Job: Scheduled Task
Suspicious behavior: EnumeratesProcesses
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-07-20 15:06
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
2024-07-20 15:06
Reported
2024-07-20 15:08
Platform
win7-20240705-en
Max time kernel
117s
Max time network
119s
Command Line
Signatures
DcRat
| 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 |
Modifies WinLogon for persistence
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe, \"C:\\Users\\Admin\\Links\\services.exe\", \"C:\\Program Files (x86)\\MSBuild\\Microsoft\\services.exe\"" | C:\Users\Admin\AppData\Local\Temp\6e4e01af6b88116f0c7331bba5e7b782.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe, \"C:\\Users\\Admin\\Links\\services.exe\", \"C:\\Program Files (x86)\\MSBuild\\Microsoft\\services.exe\", \"C:\\MSOCache\\All Users\\{90140000-0115-0409-0000-0000000FF1CE}-C\\1033\\dwm.exe\"" | C:\Users\Admin\AppData\Local\Temp\6e4e01af6b88116f0c7331bba5e7b782.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe, \"C:\\Users\\Admin\\Links\\services.exe\", \"C:\\Program Files (x86)\\MSBuild\\Microsoft\\services.exe\", \"C:\\MSOCache\\All Users\\{90140000-0115-0409-0000-0000000FF1CE}-C\\1033\\dwm.exe\", \"C:\\Program Files (x86)\\Windows Mail\\WmiPrvSE.exe\"" | C:\Users\Admin\AppData\Local\Temp\6e4e01af6b88116f0c7331bba5e7b782.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe, \"C:\\Users\\Admin\\Links\\services.exe\"" | C:\Users\Admin\AppData\Local\Temp\6e4e01af6b88116f0c7331bba5e7b782.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 |
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:\MSOCache\All Users\{90140000-0115-0409-0000-0000000FF1CE}-C\1033\dwm.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\services = "\"C:\\Users\\Admin\\Links\\services.exe\"" | C:\Users\Admin\AppData\Local\Temp\6e4e01af6b88116f0c7331bba5e7b782.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\services = "\"C:\\Users\\Admin\\Links\\services.exe\"" | C:\Users\Admin\AppData\Local\Temp\6e4e01af6b88116f0c7331bba5e7b782.exe | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-2172136094-3310281978-782691160-1000\Software\Microsoft\Windows\CurrentVersion\Run\services = "\"C:\\Program Files (x86)\\MSBuild\\Microsoft\\services.exe\"" | C:\Users\Admin\AppData\Local\Temp\6e4e01af6b88116f0c7331bba5e7b782.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\services = "\"C:\\Program Files (x86)\\MSBuild\\Microsoft\\services.exe\"" | C:\Users\Admin\AppData\Local\Temp\6e4e01af6b88116f0c7331bba5e7b782.exe | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-2172136094-3310281978-782691160-1000\Software\Microsoft\Windows\CurrentVersion\Run\dwm = "\"C:\\MSOCache\\All Users\\{90140000-0115-0409-0000-0000000FF1CE}-C\\1033\\dwm.exe\"" | C:\Users\Admin\AppData\Local\Temp\6e4e01af6b88116f0c7331bba5e7b782.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\dwm = "\"C:\\MSOCache\\All Users\\{90140000-0115-0409-0000-0000000FF1CE}-C\\1033\\dwm.exe\"" | C:\Users\Admin\AppData\Local\Temp\6e4e01af6b88116f0c7331bba5e7b782.exe | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-2172136094-3310281978-782691160-1000\Software\Microsoft\Windows\CurrentVersion\Run\WmiPrvSE = "\"C:\\Program Files (x86)\\Windows Mail\\WmiPrvSE.exe\"" | C:\Users\Admin\AppData\Local\Temp\6e4e01af6b88116f0c7331bba5e7b782.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\WmiPrvSE = "\"C:\\Program Files (x86)\\Windows Mail\\WmiPrvSE.exe\"" | C:\Users\Admin\AppData\Local\Temp\6e4e01af6b88116f0c7331bba5e7b782.exe | N/A |
Looks up external IP address via web service
| Description | Indicator | Process | Target |
| N/A | ip-api.com | N/A | N/A |
Drops file in Program Files directory
| Description | Indicator | Process | Target |
| File created | C:\Program Files (x86)\MSBuild\Microsoft\services.exe | C:\Users\Admin\AppData\Local\Temp\6e4e01af6b88116f0c7331bba5e7b782.exe | N/A |
| File created | C:\Program Files (x86)\MSBuild\Microsoft\c5b4cb5e9653cc | C:\Users\Admin\AppData\Local\Temp\6e4e01af6b88116f0c7331bba5e7b782.exe | N/A |
| File created | C:\Program Files (x86)\Windows Mail\WmiPrvSE.exe | C:\Users\Admin\AppData\Local\Temp\6e4e01af6b88116f0c7331bba5e7b782.exe | N/A |
| File created | C:\Program Files (x86)\Windows Mail\24dbde2999530e | C:\Users\Admin\AppData\Local\Temp\6e4e01af6b88116f0c7331bba5e7b782.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 |
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\6e4e01af6b88116f0c7331bba5e7b782.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\MSOCache\All Users\{90140000-0115-0409-0000-0000000FF1CE}-C\1033\dwm.exe | N/A |
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
Processes
C:\Users\Admin\AppData\Local\Temp\6e4e01af6b88116f0c7331bba5e7b782.exe
"C:\Users\Admin\AppData\Local\Temp\6e4e01af6b88116f0c7331bba5e7b782.exe"
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "servicess" /sc MINUTE /mo 12 /tr "'C:\Users\Admin\Links\services.exe'" /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "services" /sc ONLOGON /tr "'C:\Users\Admin\Links\services.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "servicess" /sc MINUTE /mo 9 /tr "'C:\Users\Admin\Links\services.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "servicess" /sc MINUTE /mo 14 /tr "'C:\Program Files (x86)\MSBuild\Microsoft\services.exe'" /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "services" /sc ONLOGON /tr "'C:\Program Files (x86)\MSBuild\Microsoft\services.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "servicess" /sc MINUTE /mo 13 /tr "'C:\Program Files (x86)\MSBuild\Microsoft\services.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "dwmd" /sc MINUTE /mo 5 /tr "'C:\MSOCache\All Users\{90140000-0115-0409-0000-0000000FF1CE}-C\1033\dwm.exe'" /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "dwm" /sc ONLOGON /tr "'C:\MSOCache\All Users\{90140000-0115-0409-0000-0000000FF1CE}-C\1033\dwm.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "dwmd" /sc MINUTE /mo 9 /tr "'C:\MSOCache\All Users\{90140000-0115-0409-0000-0000000FF1CE}-C\1033\dwm.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "WmiPrvSEW" /sc MINUTE /mo 5 /tr "'C:\Program Files (x86)\Windows Mail\WmiPrvSE.exe'" /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "WmiPrvSE" /sc ONLOGON /tr "'C:\Program Files (x86)\Windows Mail\WmiPrvSE.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "WmiPrvSEW" /sc MINUTE /mo 8 /tr "'C:\Program Files (x86)\Windows Mail\WmiPrvSE.exe'" /rl HIGHEST /f
C:\Windows\System32\cmd.exe
"C:\Windows\System32\cmd.exe" /C "C:\Users\Admin\AppData\Local\Temp\ZqalLIBQEe.bat"
C:\Windows\system32\w32tm.exe
w32tm /stripchart /computer:localhost /period:5 /dataonly /samples:2
C:\MSOCache\All Users\{90140000-0115-0409-0000-0000000FF1CE}-C\1033\dwm.exe
"C:\MSOCache\All Users\{90140000-0115-0409-0000-0000000FF1CE}-C\1033\dwm.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | ip-api.com | udp |
| US | 208.95.112.1:80 | ip-api.com | tcp |
| US | 208.95.112.1:80 | ip-api.com | tcp |
| US | 8.8.8.8:53 | a1006461.xsph.ru | udp |
| RU | 141.8.197.42:80 | a1006461.xsph.ru | tcp |
| RU | 141.8.197.42:80 | a1006461.xsph.ru | tcp |
Files
memory/2940-0-0x000007FEF54C3000-0x000007FEF54C4000-memory.dmp
memory/2940-1-0x00000000008C0000-0x0000000000ACE000-memory.dmp
memory/2940-2-0x000007FEF54C0000-0x000007FEF5EAC000-memory.dmp
memory/2940-3-0x0000000000440000-0x000000000044E000-memory.dmp
memory/2940-4-0x0000000000490000-0x0000000000498000-memory.dmp
memory/2940-5-0x00000000007F0000-0x0000000000846000-memory.dmp
memory/2940-6-0x0000000000620000-0x000000000062C000-memory.dmp
memory/2940-7-0x0000000000630000-0x000000000063C000-memory.dmp
memory/2940-8-0x0000000000640000-0x000000000064C000-memory.dmp
memory/2940-11-0x000007FEF54C0000-0x000007FEF5EAC000-memory.dmp
memory/2940-22-0x000007FEF54C0000-0x000007FEF5EAC000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\ZqalLIBQEe.bat
| MD5 | 108d306d56821bd0b172344fe3200e3d |
| SHA1 | a6ad723a96e77ba9d1c8c2a1c6992ef90d0ac36a |
| SHA256 | b79e9c311c4d9ec72eddd294c01b78bc0d14dff7090d57bcaf01d71b0a591a60 |
| SHA512 | e57f38529e77afd5269e2474ca4fe1c34e763b2dce9ec243ecc36c9906ec110425a8b00fb0447ae12bd98118c6a0ee696f9e5fb4e6574cc0760169ae698c5718 |
C:\MSOCache\All Users\{90140000-0115-0409-0000-0000000FF1CE}-C\1033\dwm.exe
| MD5 | 6e4e01af6b88116f0c7331bba5e7b782 |
| SHA1 | 756c0a5ea8aac86f41d118166452a011a608043c |
| SHA256 | 5a335f4ea90b29144cf268dccdc8f8e1757e57cccc941cc7334b8f4bd7999147 |
| SHA512 | f49b6146f313624606a9eb80287c23c68aaefcf7ffafacba83a87b333b4388dd38a423a179b7bcb0e1d555873681b405c781faf68e2d7169fa7bcefe4a73874b |
memory/2224-26-0x00000000000C0000-0x00000000002CE000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-07-20 15:06
Reported
2024-07-20 15:08
Platform
win10v2004-20240709-en
Max time kernel
148s
Max time network
150s
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\\Documents\\backgroundTaskHost.exe\"" | C:\Users\Admin\AppData\Local\Temp\6e4e01af6b88116f0c7331bba5e7b782.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe, \"C:\\Users\\All Users\\Documents\\backgroundTaskHost.exe\", \"C:\\Users\\Admin\\AppData\\Local\\explorer.exe\"" | C:\Users\Admin\AppData\Local\Temp\6e4e01af6b88116f0c7331bba5e7b782.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe, \"C:\\Users\\All Users\\Documents\\backgroundTaskHost.exe\", \"C:\\Users\\Admin\\AppData\\Local\\explorer.exe\", \"C:\\Program Files (x86)\\Reference Assemblies\\Microsoft\\Framework\\services.exe\"" | C:\Users\Admin\AppData\Local\Temp\6e4e01af6b88116f0c7331bba5e7b782.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe, \"C:\\Users\\All Users\\Documents\\backgroundTaskHost.exe\", \"C:\\Users\\Admin\\AppData\\Local\\explorer.exe\", \"C:\\Program Files (x86)\\Reference Assemblies\\Microsoft\\Framework\\services.exe\", \"C:\\Users\\All Users\\Start Menu\\SearchApp.exe\"" | C:\Users\Admin\AppData\Local\Temp\6e4e01af6b88116f0c7331bba5e7b782.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe, \"C:\\Users\\All Users\\Documents\\backgroundTaskHost.exe\", \"C:\\Users\\Admin\\AppData\\Local\\explorer.exe\", \"C:\\Program Files (x86)\\Reference Assemblies\\Microsoft\\Framework\\services.exe\", \"C:\\Users\\All Users\\Start Menu\\SearchApp.exe\", \"C:\\Windows\\SystemApps\\Microsoft.Windows.CapturePicker_cw5n1h2txyewy\\pris\\smss.exe\"" | C:\Users\Admin\AppData\Local\Temp\6e4e01af6b88116f0c7331bba5e7b782.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe, \"C:\\Users\\All Users\\Documents\\backgroundTaskHost.exe\", \"C:\\Users\\Admin\\AppData\\Local\\explorer.exe\", \"C:\\Program Files (x86)\\Reference Assemblies\\Microsoft\\Framework\\services.exe\", \"C:\\Users\\All Users\\Start Menu\\SearchApp.exe\", \"C:\\Windows\\SystemApps\\Microsoft.Windows.CapturePicker_cw5n1h2txyewy\\pris\\smss.exe\", \"C:\\Windows\\SysWOW64\\Dism\\es-ES\\fontdrvhost.exe\"" | C:\Users\Admin\AppData\Local\Temp\6e4e01af6b88116f0c7331bba5e7b782.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe, \"C:\\Users\\All Users\\Documents\\backgroundTaskHost.exe\", \"C:\\Users\\Admin\\AppData\\Local\\explorer.exe\", \"C:\\Program Files (x86)\\Reference Assemblies\\Microsoft\\Framework\\services.exe\", \"C:\\Users\\All Users\\Start Menu\\SearchApp.exe\", \"C:\\Windows\\SystemApps\\Microsoft.Windows.CapturePicker_cw5n1h2txyewy\\pris\\smss.exe\", \"C:\\Windows\\SysWOW64\\Dism\\es-ES\\fontdrvhost.exe\", \"C:\\Recovery\\WindowsRE\\spoolsv.exe\"" | C:\Users\Admin\AppData\Local\Temp\6e4e01af6b88116f0c7331bba5e7b782.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\6e4e01af6b88116f0c7331bba5e7b782.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\All Users\Documents\backgroundTaskHost.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\fontdrvhost = "\"C:\\Windows\\SysWOW64\\Dism\\es-ES\\fontdrvhost.exe\"" | C:\Users\Admin\AppData\Local\Temp\6e4e01af6b88116f0c7331bba5e7b782.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\services = "\"C:\\Program Files (x86)\\Reference Assemblies\\Microsoft\\Framework\\services.exe\"" | C:\Users\Admin\AppData\Local\Temp\6e4e01af6b88116f0c7331bba5e7b782.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\SearchApp = "\"C:\\Users\\All Users\\Start Menu\\SearchApp.exe\"" | C:\Users\Admin\AppData\Local\Temp\6e4e01af6b88116f0c7331bba5e7b782.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\explorer = "\"C:\\Users\\Admin\\AppData\\Local\\explorer.exe\"" | C:\Users\Admin\AppData\Local\Temp\6e4e01af6b88116f0c7331bba5e7b782.exe | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-1176886754-713327781-2233697964-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\SearchApp = "\"C:\\Users\\All Users\\Start Menu\\SearchApp.exe\"" | C:\Users\Admin\AppData\Local\Temp\6e4e01af6b88116f0c7331bba5e7b782.exe | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-1176886754-713327781-2233697964-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\spoolsv = "\"C:\\Recovery\\WindowsRE\\spoolsv.exe\"" | C:\Users\Admin\AppData\Local\Temp\6e4e01af6b88116f0c7331bba5e7b782.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\\Documents\\backgroundTaskHost.exe\"" | C:\Users\Admin\AppData\Local\Temp\6e4e01af6b88116f0c7331bba5e7b782.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\backgroundTaskHost = "\"C:\\Users\\All Users\\Documents\\backgroundTaskHost.exe\"" | C:\Users\Admin\AppData\Local\Temp\6e4e01af6b88116f0c7331bba5e7b782.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\spoolsv = "\"C:\\Recovery\\WindowsRE\\spoolsv.exe\"" | C:\Users\Admin\AppData\Local\Temp\6e4e01af6b88116f0c7331bba5e7b782.exe | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-1176886754-713327781-2233697964-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\smss = "\"C:\\Windows\\SystemApps\\Microsoft.Windows.CapturePicker_cw5n1h2txyewy\\pris\\smss.exe\"" | C:\Users\Admin\AppData\Local\Temp\6e4e01af6b88116f0c7331bba5e7b782.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\fontdrvhost = "\"C:\\Windows\\SysWOW64\\Dism\\es-ES\\fontdrvhost.exe\"" | C:\Users\Admin\AppData\Local\Temp\6e4e01af6b88116f0c7331bba5e7b782.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\smss = "\"C:\\Windows\\SystemApps\\Microsoft.Windows.CapturePicker_cw5n1h2txyewy\\pris\\smss.exe\"" | C:\Users\Admin\AppData\Local\Temp\6e4e01af6b88116f0c7331bba5e7b782.exe | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-1176886754-713327781-2233697964-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\explorer = "\"C:\\Users\\Admin\\AppData\\Local\\explorer.exe\"" | C:\Users\Admin\AppData\Local\Temp\6e4e01af6b88116f0c7331bba5e7b782.exe | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-1176886754-713327781-2233697964-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\services = "\"C:\\Program Files (x86)\\Reference Assemblies\\Microsoft\\Framework\\services.exe\"" | C:\Users\Admin\AppData\Local\Temp\6e4e01af6b88116f0c7331bba5e7b782.exe | N/A |
Looks up external IP address via web service
| Description | Indicator | Process | Target |
| N/A | ip-api.com | N/A | N/A |
Drops file in System32 directory
| Description | Indicator | Process | Target |
| File created | C:\Windows\SysWOW64\Dism\es-ES\fontdrvhost.exe | C:\Users\Admin\AppData\Local\Temp\6e4e01af6b88116f0c7331bba5e7b782.exe | N/A |
| File created | C:\Windows\SysWOW64\Dism\es-ES\5b884080fd4f94 | C:\Users\Admin\AppData\Local\Temp\6e4e01af6b88116f0c7331bba5e7b782.exe | N/A |
Drops file in Program Files directory
| Description | Indicator | Process | Target |
| File created | C:\Program Files (x86)\Reference Assemblies\Microsoft\Framework\services.exe | C:\Users\Admin\AppData\Local\Temp\6e4e01af6b88116f0c7331bba5e7b782.exe | N/A |
| File created | C:\Program Files (x86)\Reference Assemblies\Microsoft\Framework\c5b4cb5e9653cc | C:\Users\Admin\AppData\Local\Temp\6e4e01af6b88116f0c7331bba5e7b782.exe | N/A |
Drops file in Windows directory
| Description | Indicator | Process | Target |
| File created | C:\Windows\SystemApps\Microsoft.Windows.CapturePicker_cw5n1h2txyewy\pris\smss.exe | C:\Users\Admin\AppData\Local\Temp\6e4e01af6b88116f0c7331bba5e7b782.exe | N/A |
| File created | C:\Windows\SystemApps\Microsoft.Windows.CapturePicker_cw5n1h2txyewy\pris\69ddcba757bf72 | C:\Users\Admin\AppData\Local\Temp\6e4e01af6b88116f0c7331bba5e7b782.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\6e4e01af6b88116f0c7331bba5e7b782.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Users\All Users\Documents\backgroundTaskHost.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 2336 wrote to memory of 5100 | N/A | C:\Users\Admin\AppData\Local\Temp\6e4e01af6b88116f0c7331bba5e7b782.exe | C:\Users\All Users\Documents\backgroundTaskHost.exe |
| PID 2336 wrote to memory of 5100 | N/A | C:\Users\Admin\AppData\Local\Temp\6e4e01af6b88116f0c7331bba5e7b782.exe | C:\Users\All Users\Documents\backgroundTaskHost.exe |
Uses Task Scheduler COM API
Processes
C:\Users\Admin\AppData\Local\Temp\6e4e01af6b88116f0c7331bba5e7b782.exe
"C:\Users\Admin\AppData\Local\Temp\6e4e01af6b88116f0c7331bba5e7b782.exe"
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "backgroundTaskHostb" /sc MINUTE /mo 9 /tr "'C:\Users\All Users\Documents\backgroundTaskHost.exe'" /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "backgroundTaskHost" /sc ONLOGON /tr "'C:\Users\All Users\Documents\backgroundTaskHost.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "backgroundTaskHostb" /sc MINUTE /mo 10 /tr "'C:\Users\All Users\Documents\backgroundTaskHost.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "explorere" /sc MINUTE /mo 5 /tr "'C:\Users\Admin\AppData\Local\explorer.exe'" /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "explorer" /sc ONLOGON /tr "'C:\Users\Admin\AppData\Local\explorer.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "explorere" /sc MINUTE /mo 10 /tr "'C:\Users\Admin\AppData\Local\explorer.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "servicess" /sc MINUTE /mo 8 /tr "'C:\Program Files (x86)\Reference Assemblies\Microsoft\Framework\services.exe'" /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "services" /sc ONLOGON /tr "'C:\Program Files (x86)\Reference Assemblies\Microsoft\Framework\services.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "servicess" /sc MINUTE /mo 6 /tr "'C:\Program Files (x86)\Reference Assemblies\Microsoft\Framework\services.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "SearchAppS" /sc MINUTE /mo 6 /tr "'C:\Users\All Users\Start Menu\SearchApp.exe'" /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "SearchApp" /sc ONLOGON /tr "'C:\Users\All Users\Start Menu\SearchApp.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "SearchAppS" /sc MINUTE /mo 5 /tr "'C:\Users\All Users\Start Menu\SearchApp.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "smsss" /sc MINUTE /mo 13 /tr "'C:\Windows\SystemApps\Microsoft.Windows.CapturePicker_cw5n1h2txyewy\pris\smss.exe'" /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "smss" /sc ONLOGON /tr "'C:\Windows\SystemApps\Microsoft.Windows.CapturePicker_cw5n1h2txyewy\pris\smss.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "smsss" /sc MINUTE /mo 12 /tr "'C:\Windows\SystemApps\Microsoft.Windows.CapturePicker_cw5n1h2txyewy\pris\smss.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "fontdrvhostf" /sc MINUTE /mo 11 /tr "'C:\Windows\SysWOW64\Dism\es-ES\fontdrvhost.exe'" /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "fontdrvhost" /sc ONLOGON /tr "'C:\Windows\SysWOW64\Dism\es-ES\fontdrvhost.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "fontdrvhostf" /sc MINUTE /mo 6 /tr "'C:\Windows\SysWOW64\Dism\es-ES\fontdrvhost.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "spoolsvs" /sc MINUTE /mo 9 /tr "'C:\Recovery\WindowsRE\spoolsv.exe'" /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "spoolsv" /sc ONLOGON /tr "'C:\Recovery\WindowsRE\spoolsv.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "spoolsvs" /sc MINUTE /mo 5 /tr "'C:\Recovery\WindowsRE\spoolsv.exe'" /rl HIGHEST /f
C:\Users\All Users\Documents\backgroundTaskHost.exe
"C:\Users\All Users\Documents\backgroundTaskHost.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 58.55.71.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | ip-api.com | udp |
| US | 208.95.112.1:80 | ip-api.com | tcp |
| US | 8.8.8.8:53 | 240.143.123.92.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 1.112.95.208.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 4.159.190.20.in-addr.arpa | udp |
| US | 208.95.112.1:80 | ip-api.com | tcp |
| US | 8.8.8.8:53 | 154.239.44.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | a1006461.xsph.ru | udp |
| RU | 141.8.197.42:80 | a1006461.xsph.ru | tcp |
| RU | 141.8.197.42:80 | a1006461.xsph.ru | tcp |
| US | 8.8.8.8:53 | 42.197.8.141.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 26.165.165.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 15.164.165.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 147.142.123.92.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 73.144.22.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | tse1.mm.bing.net | udp |
| US | 150.171.27.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.27.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.27.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.27.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.27.10:443 | tse1.mm.bing.net | tcp |
| US | 8.8.8.8:53 | 88.156.103.20.in-addr.arpa | udp |
Files
memory/2336-0-0x00007FFC06C73000-0x00007FFC06C75000-memory.dmp
memory/2336-1-0x00000000002F0000-0x00000000004FE000-memory.dmp
memory/2336-2-0x00007FFC06C70000-0x00007FFC07731000-memory.dmp
memory/2336-3-0x0000000002620000-0x000000000262E000-memory.dmp
memory/2336-4-0x0000000002650000-0x0000000002658000-memory.dmp
memory/2336-5-0x0000000002660000-0x00000000026B6000-memory.dmp
memory/2336-6-0x00000000026B0000-0x00000000026BC000-memory.dmp
memory/2336-7-0x000000001B1A0000-0x000000001B1AC000-memory.dmp
memory/2336-11-0x00007FFC06C70000-0x00007FFC07731000-memory.dmp
memory/2336-8-0x000000001B1B0000-0x000000001B1BC000-memory.dmp
memory/2336-12-0x00007FFC06C70000-0x00007FFC07731000-memory.dmp
C:\Windows\SystemApps\Microsoft.Windows.CapturePicker_cw5n1h2txyewy\pris\smss.exe
| MD5 | 6e4e01af6b88116f0c7331bba5e7b782 |
| SHA1 | 756c0a5ea8aac86f41d118166452a011a608043c |
| SHA256 | 5a335f4ea90b29144cf268dccdc8f8e1757e57cccc941cc7334b8f4bd7999147 |
| SHA512 | f49b6146f313624606a9eb80287c23c68aaefcf7ffafacba83a87b333b4388dd38a423a179b7bcb0e1d555873681b405c781faf68e2d7169fa7bcefe4a73874b |
memory/2336-37-0x00007FFC06C70000-0x00007FFC07731000-memory.dmp