Analysis Overview
SHA256
6efee44acf580c370d19926398438acb40a8c63120bad4e2502d8a847e011239
Threat Level: Known bad
The file 6efee44acf580c370d19926398438acb40a8c63120bad4e2502d8a847e011239.exe was found to be: Known bad.
Malicious Activity Summary
DCRat payload
Process spawned unexpected child process
DcRat
Dcrat family
DCRat payload
Checks computer location settings
Executes dropped EXE
Loads dropped DLL
Drops file in Program Files directory
Unsigned PE
Enumerates physical storage devices
Creates scheduled task(s)
Modifies registry class
Uses Task Scheduler COM API
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-03-25 02:13
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
2024-03-25 02:12
Reported
2024-03-25 02:15
Platform
win7-20240221-en
Max time kernel
117s
Max time network
121s
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 |
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 |
| 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:\BlockSurrogateagentFont\hostnet.exe | N/A |
| N/A | N/A | C:\BlockSurrogateagentFont\hostnet.exe | N/A |
| N/A | N/A | C:\Recovery\05646982-d122-11ee-a512-f8024dee4092\taskhost.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 |
Drops file in Program Files directory
| Description | Indicator | Process | Target |
| File created | C:\Program Files\Windows Sidebar\it-IT\csrss.exe | C:\BlockSurrogateagentFont\hostnet.exe | N/A |
| File created | C:\Program Files\Windows Sidebar\it-IT\886983d96e3d3e | C:\BlockSurrogateagentFont\hostnet.exe | N/A |
| File created | C:\Program Files (x86)\Reference Assemblies\winlogon.exe | C:\BlockSurrogateagentFont\hostnet.exe | N/A |
| File created | C:\Program Files (x86)\Reference Assemblies\cc11b995f2a76d | C:\BlockSurrogateagentFont\hostnet.exe | N/A |
| File created | C:\Program Files (x86)\MSBuild\winlogon.exe | C:\BlockSurrogateagentFont\hostnet.exe | N/A |
| File created | C:\Program Files (x86)\MSBuild\cc11b995f2a76d | C:\BlockSurrogateagentFont\hostnet.exe | N/A |
| File created | C:\Program Files (x86)\Windows NT\TableTextService\en-US\audiodg.exe | C:\BlockSurrogateagentFont\hostnet.exe | N/A |
| File created | C:\Program Files (x86)\Windows NT\TableTextService\en-US\42af1c969fbb7b | C:\BlockSurrogateagentFont\hostnet.exe | N/A |
Enumerates physical storage devices
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\BlockSurrogateagentFont\hostnet.exe | N/A |
| N/A | N/A | C:\BlockSurrogateagentFont\hostnet.exe | N/A |
| N/A | N/A | C:\BlockSurrogateagentFont\hostnet.exe | N/A |
| N/A | N/A | C:\BlockSurrogateagentFont\hostnet.exe | N/A |
| N/A | N/A | C:\BlockSurrogateagentFont\hostnet.exe | N/A |
| N/A | N/A | C:\BlockSurrogateagentFont\hostnet.exe | N/A |
| N/A | N/A | C:\BlockSurrogateagentFont\hostnet.exe | N/A |
| N/A | N/A | C:\BlockSurrogateagentFont\hostnet.exe | N/A |
| N/A | N/A | C:\BlockSurrogateagentFont\hostnet.exe | N/A |
| N/A | N/A | C:\BlockSurrogateagentFont\hostnet.exe | N/A |
| N/A | N/A | C:\BlockSurrogateagentFont\hostnet.exe | N/A |
| N/A | N/A | C:\BlockSurrogateagentFont\hostnet.exe | N/A |
| N/A | N/A | C:\Recovery\05646982-d122-11ee-a512-f8024dee4092\taskhost.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\BlockSurrogateagentFont\hostnet.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\BlockSurrogateagentFont\hostnet.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Recovery\05646982-d122-11ee-a512-f8024dee4092\taskhost.exe | N/A |
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
Processes
C:\Users\Admin\AppData\Local\Temp\6efee44acf580c370d19926398438acb40a8c63120bad4e2502d8a847e011239.exe
"C:\Users\Admin\AppData\Local\Temp\6efee44acf580c370d19926398438acb40a8c63120bad4e2502d8a847e011239.exe"
C:\Windows\SysWOW64\WScript.exe
"C:\Windows\System32\WScript.exe" "C:\BlockSurrogateagentFont\fQyg6J4g9nmbhwQ5lS61NpcW4.vbe"
C:\Windows\SysWOW64\cmd.exe
cmd /c ""C:\BlockSurrogateagentFont\xRLfwMVgfRAMuw596iKz87.bat" "
C:\BlockSurrogateagentFont\hostnet.exe
"C:\BlockSurrogateagentFont\hostnet.exe"
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "spoolsvs" /sc MINUTE /mo 12 /tr "'C:\Users\Default User\spoolsv.exe'" /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "spoolsv" /sc ONLOGON /tr "'C:\Users\Default User\spoolsv.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "spoolsvs" /sc MINUTE /mo 10 /tr "'C:\Users\Default User\spoolsv.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "csrssc" /sc MINUTE /mo 6 /tr "'C:\Recovery\05646982-d122-11ee-a512-f8024dee4092\csrss.exe'" /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "csrss" /sc ONLOGON /tr "'C:\Recovery\05646982-d122-11ee-a512-f8024dee4092\csrss.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "csrssc" /sc MINUTE /mo 5 /tr "'C:\Recovery\05646982-d122-11ee-a512-f8024dee4092\csrss.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "IdleI" /sc MINUTE /mo 10 /tr "'C:\Users\Default User\Idle.exe'" /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "Idle" /sc ONLOGON /tr "'C:\Users\Default User\Idle.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "IdleI" /sc MINUTE /mo 7 /tr "'C:\Users\Default User\Idle.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "lsml" /sc MINUTE /mo 9 /tr "'C:\MSOCache\All Users\{90140000-00BA-0409-0000-0000000FF1CE}-C\lsm.exe'" /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "lsm" /sc ONLOGON /tr "'C:\MSOCache\All Users\{90140000-00BA-0409-0000-0000000FF1CE}-C\lsm.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "lsml" /sc MINUTE /mo 14 /tr "'C:\MSOCache\All Users\{90140000-00BA-0409-0000-0000000FF1CE}-C\lsm.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "sppsvcs" /sc MINUTE /mo 11 /tr "'C:\BlockSurrogateagentFont\sppsvc.exe'" /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "sppsvc" /sc ONLOGON /tr "'C:\BlockSurrogateagentFont\sppsvc.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "sppsvcs" /sc MINUTE /mo 5 /tr "'C:\BlockSurrogateagentFont\sppsvc.exe'" /rl HIGHEST /f
C:\Windows\System32\cmd.exe
"C:\Windows\System32\cmd.exe" /C "C:\Users\Admin\AppData\Local\Temp\Zq1Fy1aHNJ.bat"
C:\Windows\system32\w32tm.exe
w32tm /stripchart /computer:localhost /period:5 /dataonly /samples:2
C:\BlockSurrogateagentFont\hostnet.exe
"C:\BlockSurrogateagentFont\hostnet.exe"
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "SystemS" /sc MINUTE /mo 13 /tr "'C:\Users\Public\Videos\Sample Videos\System.exe'" /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "System" /sc ONLOGON /tr "'C:\Users\Public\Videos\Sample Videos\System.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "SystemS" /sc MINUTE /mo 5 /tr "'C:\Users\Public\Videos\Sample Videos\System.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "winlogonw" /sc MINUTE /mo 9 /tr "'C:\Program Files (x86)\Reference Assemblies\winlogon.exe'" /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "winlogon" /sc ONLOGON /tr "'C:\Program Files (x86)\Reference Assemblies\winlogon.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "winlogonw" /sc MINUTE /mo 11 /tr "'C:\Program Files (x86)\Reference Assemblies\winlogon.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "winlogonw" /sc MINUTE /mo 13 /tr "'C:\Program Files (x86)\MSBuild\winlogon.exe'" /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "winlogon" /sc ONLOGON /tr "'C:\Program Files (x86)\MSBuild\winlogon.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "winlogonw" /sc MINUTE /mo 9 /tr "'C:\Program Files (x86)\MSBuild\winlogon.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "audiodga" /sc MINUTE /mo 7 /tr "'C:\Program Files (x86)\Windows NT\TableTextService\en-US\audiodg.exe'" /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "audiodg" /sc ONLOGON /tr "'C:\Program Files (x86)\Windows NT\TableTextService\en-US\audiodg.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "audiodga" /sc MINUTE /mo 9 /tr "'C:\Program Files (x86)\Windows NT\TableTextService\en-US\audiodg.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "IdleI" /sc MINUTE /mo 14 /tr "'C:\Users\Default User\Idle.exe'" /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "Idle" /sc ONLOGON /tr "'C:\Users\Default User\Idle.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "IdleI" /sc MINUTE /mo 14 /tr "'C:\Users\Default User\Idle.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "csrssc" /sc MINUTE /mo 10 /tr "'C:\Program Files\Windows Sidebar\it-IT\csrss.exe'" /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "csrss" /sc ONLOGON /tr "'C:\Program Files\Windows Sidebar\it-IT\csrss.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "csrssc" /sc MINUTE /mo 5 /tr "'C:\Program Files\Windows Sidebar\it-IT\csrss.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "csrssc" /sc MINUTE /mo 9 /tr "'C:\Users\Admin\Cookies\csrss.exe'" /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "csrss" /sc ONLOGON /tr "'C:\Users\Admin\Cookies\csrss.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "csrssc" /sc MINUTE /mo 8 /tr "'C:\Users\Admin\Cookies\csrss.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "taskhostt" /sc MINUTE /mo 12 /tr "'C:\Recovery\05646982-d122-11ee-a512-f8024dee4092\taskhost.exe'" /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "taskhost" /sc ONLOGON /tr "'C:\Recovery\05646982-d122-11ee-a512-f8024dee4092\taskhost.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "taskhostt" /sc MINUTE /mo 6 /tr "'C:\Recovery\05646982-d122-11ee-a512-f8024dee4092\taskhost.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "lsassl" /sc MINUTE /mo 5 /tr "'C:\Users\Public\Favorites\lsass.exe'" /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "lsass" /sc ONLOGON /tr "'C:\Users\Public\Favorites\lsass.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "lsassl" /sc MINUTE /mo 13 /tr "'C:\Users\Public\Favorites\lsass.exe'" /rl HIGHEST /f
C:\Recovery\05646982-d122-11ee-a512-f8024dee4092\taskhost.exe
"C:\Recovery\05646982-d122-11ee-a512-f8024dee4092\taskhost.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | a0869574.xsph.ru | udp |
| RU | 141.8.197.42:80 | a0869574.xsph.ru | tcp |
| RU | 141.8.197.42:80 | a0869574.xsph.ru | tcp |
Files
C:\BlockSurrogateagentFont\fQyg6J4g9nmbhwQ5lS61NpcW4.vbe
| MD5 | 277c7ccc3313d83f51d594cba0ae300d |
| SHA1 | 48531a959a24846841b8fda471c5fea259f2ca38 |
| SHA256 | 175078a008fd8a809b77f11c51933d1a9e5181282523819875e7afea24c52b96 |
| SHA512 | 311e654150ad8bf4bf9b38a7b876f205cf5a450be4b6a9ced8a7e3e15ca1137a4f1dbfac0dce058031a616b4621ec592592db17e10f1753f739f710b1f54c5ac |
C:\BlockSurrogateagentFont\xRLfwMVgfRAMuw596iKz87.bat
| MD5 | 15611ce0ff6e3e772e3a8b7ac6cf4653 |
| SHA1 | 75bc873877b06c9413cc8d1908106ed143cd4bf0 |
| SHA256 | 630c1433757569b9e123313255a23d50e82a629396121ff21df67a56ebf92ae3 |
| SHA512 | 1151ee66357bdb4946f534cfe5a509497ccc57668fb874d17977740db6a6796fbdd6893e3196c3dab0be44f9f1b4f1c0f8870593a960a384f978bd5a1813fe71 |
\BlockSurrogateagentFont\hostnet.exe
| MD5 | 53827648303c620a8fa81a2998ae5ae5 |
| SHA1 | 8aa7c650f061e7d7f396718e6b4d8934392b60bb |
| SHA256 | b1f886a9cc761bbe9e6bb5287d414d3ba0e1402c6d1c055435985e3bcacbf652 |
| SHA512 | 273bb61dbde98abc172e9afe83f25e1d2b93d0dcb9a5dd8ebef03f70c677499c4d3c1788a9fa9e71131847ba1a2e6d4ffcdac20c3496b472377756f112d1550d |
memory/2708-13-0x0000000000C40000-0x0000000000DC2000-memory.dmp
memory/2708-14-0x000007FEF55E0000-0x000007FEF5FCC000-memory.dmp
memory/2708-15-0x00000000023E0000-0x0000000002460000-memory.dmp
memory/2708-16-0x00000000009F0000-0x00000000009FE000-memory.dmp
memory/2708-17-0x0000000000A00000-0x0000000000A1C000-memory.dmp
memory/2708-18-0x0000000000AB0000-0x0000000000AC6000-memory.dmp
memory/2708-19-0x0000000000A20000-0x0000000000A30000-memory.dmp
memory/2708-20-0x0000000000AD0000-0x0000000000AE2000-memory.dmp
memory/2708-21-0x0000000002380000-0x000000000238E000-memory.dmp
memory/2708-22-0x0000000002390000-0x000000000239C000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\Zq1Fy1aHNJ.bat
| MD5 | dfd3448f8b540b954f8fe09a3394f5bc |
| SHA1 | 322b64b2096f0d470abbd0867a75b0d41c9b00b9 |
| SHA256 | 4299e6f03e2f5f837278a2931fcf762bdc2d190c3c1538dad7df431538795485 |
| SHA512 | d11812c5ab0aeb1f94af6ba3cd63113437857eed44056b5a77ae2017bc4ef1e198fb83ef081d47161d6df4cd819cefde6c7a50c617d7e5b0058994cd4725c2f1 |
memory/2708-37-0x000007FEF55E0000-0x000007FEF5FCC000-memory.dmp
memory/1032-40-0x0000000000110000-0x0000000000292000-memory.dmp
memory/1032-41-0x000007FEF4BF0000-0x000007FEF55DC000-memory.dmp
memory/1032-42-0x000000001B120000-0x000000001B1A0000-memory.dmp
memory/1032-43-0x0000000000820000-0x0000000000832000-memory.dmp
C:\Users\Default User\6ccacd8608530f
| MD5 | 412b61071e59225e752822fc53838004 |
| SHA1 | 50e3b04b429ac19e6d4fe5953d7bb3ec8aaa90d9 |
| SHA256 | c23dec0292acbca4edab608442a9228376c9b52b82cc130984d929a2b432901c |
| SHA512 | 2f402d6552f91e86808e59a36eec5225fbf191ec246ae5cedf71b6d928a52c3b3e0a2813f427b9051483d80bc6770f2ada3c6b31d6dd1d141f6ee41b9e337684 |
memory/2164-70-0x0000000000810000-0x0000000000992000-memory.dmp
memory/2164-71-0x000007FEF4BF0000-0x000007FEF55DC000-memory.dmp
memory/1032-73-0x000007FEF4BF0000-0x000007FEF55DC000-memory.dmp
memory/2164-72-0x000000001B100000-0x000000001B180000-memory.dmp
memory/2164-74-0x00000000004B0000-0x00000000004C2000-memory.dmp
memory/2164-75-0x000007FEF4BF0000-0x000007FEF55DC000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-03-25 02:12
Reported
2024-03-25 02:15
Platform
win10v2004-20240226-en
Max time kernel
147s
Max time network
156s
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 |
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-1-5-21-3045580317-3728985860-206385570-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\6efee44acf580c370d19926398438acb40a8c63120bad4e2502d8a847e011239.exe | N/A |
| Key value queried | \REGISTRY\USER\S-1-5-21-3045580317-3728985860-206385570-1000\Control Panel\International\Geo\Nation | C:\Windows\SysWOW64\WScript.exe | N/A |
| Key value queried | \REGISTRY\USER\S-1-5-21-3045580317-3728985860-206385570-1000\Control Panel\International\Geo\Nation | C:\BlockSurrogateagentFont\hostnet.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\BlockSurrogateagentFont\hostnet.exe | N/A |
| N/A | N/A | C:\BlockSurrogateagentFont\RuntimeBroker.exe | N/A |
Drops file in Program Files directory
| Description | Indicator | Process | Target |
| File created | C:\Program Files (x86)\Microsoft.NET\RedistList\sppsvc.exe | C:\BlockSurrogateagentFont\hostnet.exe | N/A |
| File created | C:\Program Files (x86)\Microsoft.NET\RedistList\0a1fd5f707cd16 | C:\BlockSurrogateagentFont\hostnet.exe | N/A |
Enumerates physical storage devices
Creates scheduled task(s)
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\system32\schtasks.exe | N/A |
| N/A | N/A | C:\Windows\system32\schtasks.exe | N/A |
| N/A | N/A | C:\Windows\system32\schtasks.exe | N/A |
| N/A | N/A | C:\Windows\system32\schtasks.exe | N/A |
| N/A | N/A | C:\Windows\system32\schtasks.exe | N/A |
| N/A | N/A | C:\Windows\system32\schtasks.exe | N/A |
| N/A | N/A | C:\Windows\system32\schtasks.exe | N/A |
| N/A | N/A | C:\Windows\system32\schtasks.exe | N/A |
| N/A | N/A | C:\Windows\system32\schtasks.exe | N/A |
| N/A | N/A | C:\Windows\system32\schtasks.exe | N/A |
| N/A | N/A | C:\Windows\system32\schtasks.exe | N/A |
| N/A | N/A | C:\Windows\system32\schtasks.exe | N/A |
Modifies registry class
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\USER\S-1-5-21-3045580317-3728985860-206385570-1000_Classes\Local Settings | C:\Users\Admin\AppData\Local\Temp\6efee44acf580c370d19926398438acb40a8c63120bad4e2502d8a847e011239.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-3045580317-3728985860-206385570-1000_Classes\Local Settings | C:\BlockSurrogateagentFont\hostnet.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\BlockSurrogateagentFont\hostnet.exe | N/A |
| N/A | N/A | C:\BlockSurrogateagentFont\hostnet.exe | N/A |
| N/A | N/A | C:\BlockSurrogateagentFont\hostnet.exe | N/A |
| N/A | N/A | C:\BlockSurrogateagentFont\hostnet.exe | N/A |
| N/A | N/A | C:\BlockSurrogateagentFont\hostnet.exe | N/A |
| N/A | N/A | C:\BlockSurrogateagentFont\hostnet.exe | N/A |
| N/A | N/A | C:\BlockSurrogateagentFont\RuntimeBroker.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\BlockSurrogateagentFont\hostnet.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\BlockSurrogateagentFont\RuntimeBroker.exe | N/A |
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
Processes
C:\Users\Admin\AppData\Local\Temp\6efee44acf580c370d19926398438acb40a8c63120bad4e2502d8a847e011239.exe
"C:\Users\Admin\AppData\Local\Temp\6efee44acf580c370d19926398438acb40a8c63120bad4e2502d8a847e011239.exe"
C:\Windows\SysWOW64\WScript.exe
"C:\Windows\System32\WScript.exe" "C:\BlockSurrogateagentFont\fQyg6J4g9nmbhwQ5lS61NpcW4.vbe"
C:\Windows\SysWOW64\cmd.exe
C:\Windows\system32\cmd.exe /c ""C:\BlockSurrogateagentFont\xRLfwMVgfRAMuw596iKz87.bat" "
C:\BlockSurrogateagentFont\hostnet.exe
"C:\BlockSurrogateagentFont\hostnet.exe"
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "cmdc" /sc MINUTE /mo 11 /tr "'C:\Recovery\WindowsRE\cmd.exe'" /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "cmd" /sc ONLOGON /tr "'C:\Recovery\WindowsRE\cmd.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "cmdc" /sc MINUTE /mo 12 /tr "'C:\Recovery\WindowsRE\cmd.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "sppsvcs" /sc MINUTE /mo 5 /tr "'C:\Program Files (x86)\Microsoft.NET\RedistList\sppsvc.exe'" /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "sppsvc" /sc ONLOGON /tr "'C:\Program Files (x86)\Microsoft.NET\RedistList\sppsvc.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "sppsvcs" /sc MINUTE /mo 5 /tr "'C:\Program Files (x86)\Microsoft.NET\RedistList\sppsvc.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "RuntimeBrokerR" /sc MINUTE /mo 12 /tr "'C:\BlockSurrogateagentFont\RuntimeBroker.exe'" /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "RuntimeBroker" /sc ONLOGON /tr "'C:\BlockSurrogateagentFont\RuntimeBroker.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "RuntimeBrokerR" /sc MINUTE /mo 14 /tr "'C:\BlockSurrogateagentFont\RuntimeBroker.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "sihosts" /sc MINUTE /mo 12 /tr "'C:\Users\All Users\Microsoft\DeviceSync\sihost.exe'" /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "sihost" /sc ONLOGON /tr "'C:\Users\All Users\Microsoft\DeviceSync\sihost.exe'" /rl HIGHEST /f
C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "sihosts" /sc MINUTE /mo 11 /tr "'C:\Users\All Users\Microsoft\DeviceSync\sihost.exe'" /rl HIGHEST /f
C:\Windows\System32\cmd.exe
"C:\Windows\System32\cmd.exe" /C "C:\Users\Admin\AppData\Local\Temp\y05nXIVCAi.bat"
C:\Windows\system32\w32tm.exe
w32tm /stripchart /computer:localhost /period:5 /dataonly /samples:2
C:\BlockSurrogateagentFont\RuntimeBroker.exe
"C:\BlockSurrogateagentFont\RuntimeBroker.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 69.31.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 104.219.191.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 194.178.17.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 9.228.82.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 43.58.199.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 103.169.127.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 133.211.185.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 41.110.16.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 171.39.242.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 0.205.248.87.in-addr.arpa | udp |
| US | 8.8.8.8:53 | a0869574.xsph.ru | udp |
| RU | 141.8.197.42:80 | a0869574.xsph.ru | tcp |
| US | 8.8.8.8:53 | 42.197.8.141.in-addr.arpa | udp |
| RU | 141.8.197.42:80 | a0869574.xsph.ru | tcp |
| US | 8.8.8.8:53 | tse1.mm.bing.net | udp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 8.8.8.8:53 | 200.197.79.204.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 104.241.123.92.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 119.110.54.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 180.178.17.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 211.178.17.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 217.135.221.88.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 43.56.20.217.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 211.135.221.88.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 43.229.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 18.134.221.88.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 176.178.17.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 50.134.221.88.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 174.178.17.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 2.173.189.20.in-addr.arpa | udp |
Files
C:\BlockSurrogateagentFont\fQyg6J4g9nmbhwQ5lS61NpcW4.vbe
| MD5 | 277c7ccc3313d83f51d594cba0ae300d |
| SHA1 | 48531a959a24846841b8fda471c5fea259f2ca38 |
| SHA256 | 175078a008fd8a809b77f11c51933d1a9e5181282523819875e7afea24c52b96 |
| SHA512 | 311e654150ad8bf4bf9b38a7b876f205cf5a450be4b6a9ced8a7e3e15ca1137a4f1dbfac0dce058031a616b4621ec592592db17e10f1753f739f710b1f54c5ac |
C:\BlockSurrogateagentFont\xRLfwMVgfRAMuw596iKz87.bat
| MD5 | 15611ce0ff6e3e772e3a8b7ac6cf4653 |
| SHA1 | 75bc873877b06c9413cc8d1908106ed143cd4bf0 |
| SHA256 | 630c1433757569b9e123313255a23d50e82a629396121ff21df67a56ebf92ae3 |
| SHA512 | 1151ee66357bdb4946f534cfe5a509497ccc57668fb874d17977740db6a6796fbdd6893e3196c3dab0be44f9f1b4f1c0f8870593a960a384f978bd5a1813fe71 |
C:\BlockSurrogateagentFont\hostnet.exe
| MD5 | 53827648303c620a8fa81a2998ae5ae5 |
| SHA1 | 8aa7c650f061e7d7f396718e6b4d8934392b60bb |
| SHA256 | b1f886a9cc761bbe9e6bb5287d414d3ba0e1402c6d1c055435985e3bcacbf652 |
| SHA512 | 273bb61dbde98abc172e9afe83f25e1d2b93d0dcb9a5dd8ebef03f70c677499c4d3c1788a9fa9e71131847ba1a2e6d4ffcdac20c3496b472377756f112d1550d |
memory/748-12-0x0000000000CE0000-0x0000000000E62000-memory.dmp
memory/748-13-0x00007FFAC4700000-0x00007FFAC51C1000-memory.dmp
memory/748-14-0x000000001BA30000-0x000000001BA40000-memory.dmp
memory/748-15-0x0000000002EE0000-0x0000000002EEE000-memory.dmp
memory/748-16-0x0000000002F70000-0x0000000002F8C000-memory.dmp
memory/748-18-0x000000001B9C0000-0x000000001B9D6000-memory.dmp
memory/748-17-0x000000001C040000-0x000000001C090000-memory.dmp
memory/748-19-0x0000000002F50000-0x0000000002F60000-memory.dmp
memory/748-20-0x000000001B9E0000-0x000000001B9F2000-memory.dmp
memory/748-21-0x000000001C7B0000-0x000000001CCD8000-memory.dmp
memory/748-22-0x000000001B980000-0x000000001B98E000-memory.dmp
memory/748-23-0x000000001B990000-0x000000001B99C000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\y05nXIVCAi.bat
| MD5 | 2417f4df9c111291240f0f565b0a2051 |
| SHA1 | 78daf7252bd731c6d7e7d0bd1a930b8f82d64d6a |
| SHA256 | 1d53031193abc462fa9141a906577ef7040d5f73d1cda7b94d9200d6e50fa2dd |
| SHA512 | e3293a6e12468c4b83b2b3ce91fc3fe7ba428f3744f69a5c1824f75a7e95931cdf978c60ebaed7b495cc5a41dfbd08ae08250694f3fd912faded341f46821574 |
memory/748-38-0x00007FFAC4700000-0x00007FFAC51C1000-memory.dmp
memory/2596-42-0x00007FFAC4700000-0x00007FFAC51C1000-memory.dmp
memory/2596-44-0x00007FFAC4700000-0x00007FFAC51C1000-memory.dmp