dcrat | 21241ffa8c021cc337901145fcdaae68713abb75c22a74e39001fe1da15f35f3

Processes:

schtasks.exeschtasks.exeschtasks.exeschtasks.exeschtasks.exeschtasks.exeschtasks.exeschtasks.exeschtasks.exeschtasks.exeschtasks.exeschtasks.exeschtasks.exeschtasks.exeschtasks.exeschtasks.exeschtasks.exeschtasks.exe

pid	process
2616	schtasks.exe
1836	schtasks.exe
4372	schtasks.exe
4100	schtasks.exe
3604	schtasks.exe
3664	schtasks.exe
3728	schtasks.exe
4960	schtasks.exe
4880	schtasks.exe
3132	schtasks.exe
3304	schtasks.exe
2052	schtasks.exe
820	schtasks.exe
4796	schtasks.exe
4628	schtasks.exe
2016	schtasks.exe
5068	schtasks.exe
4308	schtasks.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

blockprovider.execsrss.exe

pid process

4444 blockprovider.exe
4444 blockprovider.exe
4444 blockprovider.exe
1608 csrss.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

blockprovider.execsrss.exe

description pid process

Token: SeDebugPrivilege 4444 blockprovider.exe
Token: SeDebugPrivilege 1608 csrss.exe

pid	process
4444	blockprovider.exe
4444	blockprovider.exe
4444	blockprovider.exe
1608	csrss.exe

description	pid	process
Token: SeDebugPrivilege	4444	blockprovider.exe
Token: SeDebugPrivilege	1608	csrss.exe

Suspicious use of WriteProcessMemory 17 IoCs

Processes:

21241ffa8c021cc337901145fcdaae68713abb75c22a74e39001fe1da15f35f3.exeWScript.execmd.exeblockprovider.execmd.exe

description	pid	process	target process
PID 1992 wrote to memory of 4920	1992	21241ffa8c021cc337901145fcdaae68713abb75c22a74e39001fe1da15f35f3.exe	WScript.exe
PID 1992 wrote to memory of 4920	1992	21241ffa8c021cc337901145fcdaae68713abb75c22a74e39001fe1da15f35f3.exe	WScript.exe
PID 1992 wrote to memory of 4920	1992	21241ffa8c021cc337901145fcdaae68713abb75c22a74e39001fe1da15f35f3.exe	WScript.exe
PID 1992 wrote to memory of 1924	1992	21241ffa8c021cc337901145fcdaae68713abb75c22a74e39001fe1da15f35f3.exe	WScript.exe
PID 1992 wrote to memory of 1924	1992	21241ffa8c021cc337901145fcdaae68713abb75c22a74e39001fe1da15f35f3.exe	WScript.exe
PID 1992 wrote to memory of 1924	1992	21241ffa8c021cc337901145fcdaae68713abb75c22a74e39001fe1da15f35f3.exe	WScript.exe
PID 4920 wrote to memory of 2196	4920	WScript.exe	cmd.exe
PID 4920 wrote to memory of 2196	4920	WScript.exe	cmd.exe
PID 4920 wrote to memory of 2196	4920	WScript.exe	cmd.exe
PID 2196 wrote to memory of 4444	2196	cmd.exe	blockprovider.exe
PID 2196 wrote to memory of 4444	2196	cmd.exe	blockprovider.exe
PID 4444 wrote to memory of 2792	4444	blockprovider.exe	cmd.exe
PID 4444 wrote to memory of 2792	4444	blockprovider.exe	cmd.exe
PID 2792 wrote to memory of 3240	2792	cmd.exe	w32tm.exe
PID 2792 wrote to memory of 3240	2792	cmd.exe	w32tm.exe
PID 2792 wrote to memory of 1608	2792	cmd.exe	csrss.exe
PID 2792 wrote to memory of 1608	2792	cmd.exe	csrss.exe

Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
persistence

Query Registry
T1012

C:\Users\Admin\AppData\Local\Temp\21241ffa8c021cc337901145fcdaae68713abb75c22a74e39001fe1da15f35f3.exe
"C:\Users\Admin\AppData\Local\Temp\21241ffa8c021cc337901145fcdaae68713abb75c22a74e39001fe1da15f35f3.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:1992

C:\Windows\SysWOW64\WScript.exe
"C:\Windows\System32\WScript.exe" "C:\chainContainersavesSessiondhcp\JemHIHhpiZI0N8EhV7.vbe"
2⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4920

C:\Windows\SysWOW64\cmd.exe
C:\Windows\system32\cmd.exe /c ""C:\chainContainersavesSessiondhcp\EeHn5JjD.bat" "
3⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2196

C:\chainContainersavesSessiondhcp\blockprovider.exe
"C:\chainContainersavesSessiondhcp\blockprovider.exe"
4⤵
- Modifies WinLogon for persistence
- Checks computer location settings
- Executes dropped EXE
- Adds Run key to start application
- Drops file in Program Files directory
- Drops file in Windows directory
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4444

C:\Windows\System32\cmd.exe
"C:\Windows\System32\cmd.exe" /C "C:\Users\Admin\AppData\Local\Temp\mz5qwuDVGw.bat"
5⤵
- Suspicious use of WriteProcessMemory
PID:2792

C:\Windows\system32\w32tm.exe
w32tm /stripchart /computer:localhost /period:5 /dataonly /samples:2
6⤵
PID:3240

C:\Recovery\WindowsRE\csrss.exe
"C:\Recovery\WindowsRE\csrss.exe"
6⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1608

C:\Windows\SysWOW64\WScript.exe
"C:\Windows\System32\WScript.exe" "C:\chainContainersavesSessiondhcp\file.vbs"
2⤵
- System Location Discovery: System Language Discovery
PID:1924

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "cmdc" /sc MINUTE /mo 12 /tr "'C:\Program Files (x86)\Mozilla Maintenance Service\cmd.exe'" /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:2616

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "cmd" /sc ONLOGON /tr "'C:\Program Files (x86)\Mozilla Maintenance Service\cmd.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:4628

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "cmdc" /sc MINUTE /mo 8 /tr "'C:\Program Files (x86)\Mozilla Maintenance Service\cmd.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:1836

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "dwmd" /sc MINUTE /mo 10 /tr "'C:\Windows\Migration\WTR\dwm.exe'" /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:3604

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "dwm" /sc ONLOGON /tr "'C:\Windows\Migration\WTR\dwm.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:820

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "dwmd" /sc MINUTE /mo 5 /tr "'C:\Windows\Migration\WTR\dwm.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:3664

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "SearchAppS" /sc MINUTE /mo 12 /tr "'C:\Windows\SchCache\SearchApp.exe'" /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:3728

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "SearchApp" /sc ONLOGON /tr "'C:\Windows\SchCache\SearchApp.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:4960

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "SearchAppS" /sc MINUTE /mo 10 /tr "'C:\Windows\SchCache\SearchApp.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:4880

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "csrssc" /sc MINUTE /mo 8 /tr "'C:\Recovery\WindowsRE\csrss.exe'" /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:3132

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "csrss" /sc ONLOGON /tr "'C:\Recovery\WindowsRE\csrss.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:2016

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "csrssc" /sc MINUTE /mo 10 /tr "'C:\Recovery\WindowsRE\csrss.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:4796

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "sihosts" /sc MINUTE /mo 10 /tr "'C:\Windows\Prefetch\ReadyBoot\sihost.exe'" /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:3304

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "sihost" /sc ONLOGON /tr "'C:\Windows\Prefetch\ReadyBoot\sihost.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:5068

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "sihosts" /sc MINUTE /mo 7 /tr "'C:\Windows\Prefetch\ReadyBoot\sihost.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:4372

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "unsecappu" /sc MINUTE /mo 5 /tr "'C:\Recovery\WindowsRE\unsecapp.exe'" /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:4100

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "unsecapp" /sc ONLOGON /tr "'C:\Recovery\WindowsRE\unsecapp.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:4308

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "unsecappu" /sc MINUTE /mo 8 /tr "'C:\Recovery\WindowsRE\unsecapp.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:2052

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Scheduled Task/Job

T1053

Scheduled Task

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Winlogon Helper DLL

T1547.004

Scheduled Task/Job

T1053

Scheduled Task

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Winlogon Helper DLL

T1547.004

Scheduled Task/Job

T1053

Scheduled Task

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery