dcrat | a64e0fad64514c66bc6750432d8c3ef96932f9902886f540cca217031d1cfc44

Analysis

max time kernel
132s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
31-10-2024 03:43

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General

Target

a64e0fad64514c66bc6750432d8c3ef96932f9902886f540cca217031d1cfc44.exe
Size

1.2MB
MD5

f7361ed3503f11a56e8cc53ad6c277b8
SHA1

bfa62d30d715bf866d5a2a6198a474c316b3dc04
SHA256

a64e0fad64514c66bc6750432d8c3ef96932f9902886f540cca217031d1cfc44
SHA512

9828478b57e85a2341262127e3149f5a9e48523198665b99634738627f107c1f5ab0c30ad80819bd9c4920836585397f4caef83c6d955cca6f0074b212fa96a4
SSDEEP

24576:q2G/nvxW3WXlB6Fh3rXTamAQ8uwoqTWy1Y7i887KtU:qbA3q4h3rD5DiT1T2O

Score

10^/10

dcrat discovery infostealer rat

Malware Config

Signatures

DcRat
DarkCrystal(DC) is a new .NET RAT active since June 2019 capable of loading additional plugins.
rat infostealer dcrat
Dcrat family
dcrat

Process spawned unexpected child process 51 IoCs

This typically indicates the parent process was compromised via an exploit or macro.

Processes:

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

description	pid	pid_target	Process	procid_target
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	2908	3016	schtasks.exe	92
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	3732	3016	schtasks.exe	92
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	872	3016	schtasks.exe	92
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	4604	3016	schtasks.exe	92
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	1100	3016	schtasks.exe	92
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	1092	3016	schtasks.exe	92
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	2220	3016	schtasks.exe	92
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	316	3016	schtasks.exe	92
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	3648	3016	schtasks.exe	92
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	432	3016	schtasks.exe	92
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	4932	3016	schtasks.exe	92
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	3284	3016	schtasks.exe	92
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	1920	3016	schtasks.exe	92
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	1360	3016	schtasks.exe	92
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	1556	3016	schtasks.exe	92
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	4444	3016	schtasks.exe	92
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	4480	3016	schtasks.exe	92
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	2008	3016	schtasks.exe	92
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	4580	3016	schtasks.exe	92
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	3292	3016	schtasks.exe	92
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	1876	3016	schtasks.exe	92
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	4612	3016	schtasks.exe	92
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	4832	3016	schtasks.exe	92
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	5056	3016	schtasks.exe	92
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	4400	3016	schtasks.exe	92
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	4388	3016	schtasks.exe	92
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	4348	3016	schtasks.exe	92
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	1492	3016	schtasks.exe	92
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	3884	3016	schtasks.exe	92
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	2984	3016	schtasks.exe	92
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	4108	3016	schtasks.exe	92
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	1040	3016	schtasks.exe	92
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	2632	3016	schtasks.exe	92
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	4040	3016	schtasks.exe	92
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	2468	3016	schtasks.exe	92
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	3028	3016	schtasks.exe	92
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	4716	3016	schtasks.exe	92
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	1812	3016	schtasks.exe	92
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	4628	3016	schtasks.exe	92
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	4940	3016	schtasks.exe	92
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	3536	3016	schtasks.exe	92
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	4996	3016	schtasks.exe	92
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	5036	3016	schtasks.exe	92
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	4928	3016	schtasks.exe	92
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	2384	3016	schtasks.exe	92
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	2404	3016	schtasks.exe	92
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	1508	3016	schtasks.exe	92
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	3936	3016	schtasks.exe	92
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	4860	3016	schtasks.exe	92
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	3856	3016	schtasks.exe	92
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	2864	3016	schtasks.exe	92

DCRat payload 2 IoCs

Detects payload of DCRat, commonly dropped by NSIS installers.

rat

Processes:

resource	yara_rule
behavioral2/files/0x000a000000023b72-10.dat	dcrat
behavioral2/memory/2256-13-0x0000000000BC0000-0x0000000000C96000-memory.dmp	dcrat

Checks computer location settings 2 TTPs 3 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

Processes:

Agentserver.exea64e0fad64514c66bc6750432d8c3ef96932f9902886f540cca217031d1cfc44.exeWScript.exe

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\Control Panel\International\Geo\Nation	Agentserver.exe
Key value queried	\REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\Control Panel\International\Geo\Nation	a64e0fad64514c66bc6750432d8c3ef96932f9902886f540cca217031d1cfc44.exe
Key value queried	\REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\Control Panel\International\Geo\Nation	WScript.exe

Executes dropped EXE 2 IoCs

Processes:

Agentserver.execsrss.exe

pid	Process
2256	Agentserver.exe
4968	csrss.exe

Drops file in Program Files directory 10 IoCs

Processes:

Agentserver.exe

description	ioc	Process
File created	C:\Program Files (x86)\Windows Multimedia Platform\e1ef82546f0b02	Agentserver.exe
File created	C:\Program Files (x86)\Internet Explorer\SearchApp.exe	Agentserver.exe
File created	C:\Program Files (x86)\Internet Explorer\38384e6a620884	Agentserver.exe
File created	C:\Program Files\MSBuild\Microsoft\Windows Workflow Foundation\RuntimeBroker.exe	Agentserver.exe
File created	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Esl\sihost.exe	Agentserver.exe
File created	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Esl\66fc9ff0ee96c2	Agentserver.exe
File created	C:\Program Files (x86)\Windows Multimedia Platform\SppExtComObj.exe	Agentserver.exe
File created	C:\Program Files (x86)\Common Files\sysmon.exe	Agentserver.exe
File created	C:\Program Files (x86)\Common Files\121e5b5079f7c0	Agentserver.exe
File created	C:\Program Files\MSBuild\Microsoft\Windows Workflow Foundation\9e8d7a4ca61bd9	Agentserver.exe

Drops file in Windows directory 4 IoCs

Processes:

Agentserver.exe

description	ioc	Process
File created	C:\Windows\diagnostics\scheduled\Maintenance\uk-UA\csrss.exe	Agentserver.exe
File created	C:\Windows\uk-UA\sihost.exe	Agentserver.exe
File created	C:\Windows\uk-UA\66fc9ff0ee96c2	Agentserver.exe
File created	C:\Windows\servicing\InboxFodMetadataCache\metadata\backgroundTaskHost.exe	Agentserver.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

Processes:

a64e0fad64514c66bc6750432d8c3ef96932f9902886f540cca217031d1cfc44.exeWScript.execmd.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	a64e0fad64514c66bc6750432d8c3ef96932f9902886f540cca217031d1cfc44.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	WScript.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Modifies registry class 2 IoCs

Processes:

a64e0fad64514c66bc6750432d8c3ef96932f9902886f540cca217031d1cfc44.exeAgentserver.exe

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000_Classes\Local Settings	a64e0fad64514c66bc6750432d8c3ef96932f9902886f540cca217031d1cfc44.exe
Key created	\REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000_Classes\Local Settings	Agentserver.exe

Scheduled Task/Job: Scheduled Task 1 TTPs 51 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence execution

Scheduled Task

T1053.005

Processes:

pid	Process
2864	schtasks.exe
1092	schtasks.exe
2468	schtasks.exe
1812	schtasks.exe
2404	schtasks.exe
4860	schtasks.exe
2008	schtasks.exe
4108	schtasks.exe
2384	schtasks.exe
1876	schtasks.exe
5056	schtasks.exe
4400	schtasks.exe
4348	schtasks.exe
3884	schtasks.exe
872	schtasks.exe
4580	schtasks.exe
3292	schtasks.exe
4940	schtasks.exe
4996	schtasks.exe
3936	schtasks.exe
3284	schtasks.exe
4480	schtasks.exe
2984	schtasks.exe
2632	schtasks.exe
5036	schtasks.exe
3732	schtasks.exe
1100	schtasks.exe
3648	schtasks.exe
3856	schtasks.exe
2220	schtasks.exe
1920	schtasks.exe
3028	schtasks.exe
432	schtasks.exe
1360	schtasks.exe
4628	schtasks.exe
4444	schtasks.exe
4388	schtasks.exe
1040	schtasks.exe
1508	schtasks.exe
2908	schtasks.exe
4604	schtasks.exe
316	schtasks.exe
4832	schtasks.exe
1492	schtasks.exe
4040	schtasks.exe
4716	schtasks.exe
3536	schtasks.exe
4932	schtasks.exe
1556	schtasks.exe
4612	schtasks.exe
4928	schtasks.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

Processes:

Agentserver.execsrss.exe

pid	Process
2256	Agentserver.exe
2256	Agentserver.exe
2256	Agentserver.exe
2256	Agentserver.exe
2256	Agentserver.exe
2256	Agentserver.exe
2256	Agentserver.exe
2256	Agentserver.exe
2256	Agentserver.exe
2256	Agentserver.exe
2256	Agentserver.exe
2256	Agentserver.exe
2256	Agentserver.exe
2256	Agentserver.exe
2256	Agentserver.exe
2256	Agentserver.exe
2256	Agentserver.exe
2256	Agentserver.exe
2256	Agentserver.exe
4968	csrss.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

Agentserver.execsrss.exe

description	pid	Process
Token: SeDebugPrivilege	2256	Agentserver.exe
Token: SeDebugPrivilege	4968	csrss.exe

Suspicious use of WriteProcessMemory 14 IoCs

Processes:

a64e0fad64514c66bc6750432d8c3ef96932f9902886f540cca217031d1cfc44.exeWScript.execmd.exeAgentserver.execmd.exe

description	pid	Process	procid_target
PID 4316 wrote to memory of 4356	4316	a64e0fad64514c66bc6750432d8c3ef96932f9902886f540cca217031d1cfc44.exe	85
PID 4316 wrote to memory of 4356	4316	a64e0fad64514c66bc6750432d8c3ef96932f9902886f540cca217031d1cfc44.exe	85
PID 4316 wrote to memory of 4356	4316	a64e0fad64514c66bc6750432d8c3ef96932f9902886f540cca217031d1cfc44.exe	85
PID 4356 wrote to memory of 5068	4356	WScript.exe	94
PID 4356 wrote to memory of 5068	4356	WScript.exe	94
PID 4356 wrote to memory of 5068	4356	WScript.exe	94
PID 5068 wrote to memory of 2256	5068	cmd.exe	97
PID 5068 wrote to memory of 2256	5068	cmd.exe	97
PID 2256 wrote to memory of 4052	2256	Agentserver.exe	149
PID 2256 wrote to memory of 4052	2256	Agentserver.exe	149
PID 4052 wrote to memory of 1452	4052	cmd.exe	151
PID 4052 wrote to memory of 1452	4052	cmd.exe	151
PID 4052 wrote to memory of 4968	4052	cmd.exe	157
PID 4052 wrote to memory of 4968	4052	cmd.exe	157

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\a64e0fad64514c66bc6750432d8c3ef96932f9902886f540cca217031d1cfc44.exe
"C:\Users\Admin\AppData\Local\Temp\a64e0fad64514c66bc6750432d8c3ef96932f9902886f540cca217031d1cfc44.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:4316
- C:\Windows\SysWOW64\WScript.exe
  "C:\Windows\System32\WScript.exe" "C:\surrogateserverreviewsession\pmMvwz3lY7qlA.vbe"
  2⤵
  - Checks computer location settings
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4356
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\surrogateserverreviewsession\cAWYZg0ZdjD2dKs6hjKja7TASB4qz.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:5068
  - - C:\surrogateserverreviewsession\Agentserver.exe
      "C:\surrogateserverreviewsession\Agentserver.exe"
      4⤵
      Checks computer location settings
      Executes dropped EXE
      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:2256
    - - C:\Windows\System32\cmd.exe
        
        "C:\Windows\System32\cmd.exe" /C "C:\Users\Admin\AppData\Local\Temp\sOcanFvVqJ.bat"
        5⤵
        Suspicious use of WriteProcessMemory
        
        PID:4052
      - C:\Windows\system32\w32tm.exe
        
        w32tm /stripchart /computer:localhost /period:5 /dataonly /samples:2
        6⤵
        
        PID:1452
      - C:\Users\Public\Downloads\csrss.exe
        
        "C:\Users\Public\Downloads\csrss.exe"
        6⤵
        Executes dropped EXE
        Suspicious behavior: EnumeratesProcesses
        Suspicious use of AdjustPrivilegeToken
        
        PID:4968

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "csrssc" /sc MINUTE /mo 14 /tr "'C:\Users\Public\Downloads\csrss.exe'" /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:2908

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "csrss" /sc ONLOGON /tr "'C:\Users\Public\Downloads\csrss.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:3732

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "csrssc" /sc MINUTE /mo 12 /tr "'C:\Users\Public\Downloads\csrss.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:872

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "sysmons" /sc MINUTE /mo 9 /tr "'C:\Program Files (x86)\Common Files\sysmon.exe'" /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:4604

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "sysmon" /sc ONLOGON /tr "'C:\Program Files (x86)\Common Files\sysmon.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:1100

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "sysmons" /sc MINUTE /mo 6 /tr "'C:\Program Files (x86)\Common Files\sysmon.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:1092

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "sihosts" /sc MINUTE /mo 12 /tr "'C:\Users\Admin\Saved Games\sihost.exe'" /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:2220

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "sihost" /sc ONLOGON /tr "'C:\Users\Admin\Saved Games\sihost.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:316

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "sihosts" /sc MINUTE /mo 13 /tr "'C:\Users\Admin\Saved Games\sihost.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:3648

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "fontdrvhostf" /sc MINUTE /mo 7 /tr "'C:\Recovery\WindowsRE\fontdrvhost.exe'" /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:4932

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "fontdrvhost" /sc ONLOGON /tr "'C:\Recovery\WindowsRE\fontdrvhost.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:432

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "fontdrvhostf" /sc MINUTE /mo 10 /tr "'C:\Recovery\WindowsRE\fontdrvhost.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:3284

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "RuntimeBrokerR" /sc MINUTE /mo 5 /tr "'C:\Program Files\MSBuild\Microsoft\Windows Workflow Foundation\RuntimeBroker.exe'" /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:1920

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "RuntimeBroker" /sc ONLOGON /tr "'C:\Program Files\MSBuild\Microsoft\Windows Workflow Foundation\RuntimeBroker.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:1360

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "RuntimeBrokerR" /sc MINUTE /mo 8 /tr "'C:\Program Files\MSBuild\Microsoft\Windows Workflow Foundation\RuntimeBroker.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:1556

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "sihosts" /sc MINUTE /mo 12 /tr "'C:\Program Files (x86)\Adobe\Acrobat Reader DC\Esl\sihost.exe'" /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:4444

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "sihost" /sc ONLOGON /tr "'C:\Program Files (x86)\Adobe\Acrobat Reader DC\Esl\sihost.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:4480

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "sihosts" /sc MINUTE /mo 10 /tr "'C:\Program Files (x86)\Adobe\Acrobat Reader DC\Esl\sihost.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:2008

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "fontdrvhostf" /sc MINUTE /mo 11 /tr "'C:\surrogateserverreviewsession\fontdrvhost.exe'" /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:4580

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "fontdrvhost" /sc ONLOGON /tr "'C:\surrogateserverreviewsession\fontdrvhost.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:3292

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "fontdrvhostf" /sc MINUTE /mo 8 /tr "'C:\surrogateserverreviewsession\fontdrvhost.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:1876

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "backgroundTaskHostb" /sc MINUTE /mo 5 /tr "'C:\surrogateserverreviewsession\backgroundTaskHost.exe'" /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:4612

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "backgroundTaskHost" /sc ONLOGON /tr "'C:\surrogateserverreviewsession\backgroundTaskHost.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:4832

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "backgroundTaskHostb" /sc MINUTE /mo 12 /tr "'C:\surrogateserverreviewsession\backgroundTaskHost.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:5056

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "RegistryR" /sc MINUTE /mo 5 /tr "'C:\surrogateserverreviewsession\Registry.exe'" /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:4400

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "Registry" /sc ONLOGON /tr "'C:\surrogateserverreviewsession\Registry.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:4388

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "RegistryR" /sc MINUTE /mo 6 /tr "'C:\surrogateserverreviewsession\Registry.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:4348

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "dllhostd" /sc MINUTE /mo 11 /tr "'C:\surrogateserverreviewsession\dllhost.exe'" /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:1492

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "dllhost" /sc ONLOGON /tr "'C:\surrogateserverreviewsession\dllhost.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:3884

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "dllhostd" /sc MINUTE /mo 10 /tr "'C:\surrogateserverreviewsession\dllhost.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:2984

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "upfcu" /sc MINUTE /mo 8 /tr "'C:\surrogateserverreviewsession\upfc.exe'" /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:4108

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "upfc" /sc ONLOGON /tr "'C:\surrogateserverreviewsession\upfc.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:1040

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "upfcu" /sc MINUTE /mo 10 /tr "'C:\surrogateserverreviewsession\upfc.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:2632

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "upfcu" /sc MINUTE /mo 8 /tr "'C:\Users\All Users\upfc.exe'" /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:4040

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "upfc" /sc ONLOGON /tr "'C:\Users\All Users\upfc.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:2468

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "upfcu" /sc MINUTE /mo 12 /tr "'C:\Users\All Users\upfc.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:3028

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "SppExtComObjS" /sc MINUTE /mo 11 /tr "'C:\Program Files (x86)\Windows Multimedia Platform\SppExtComObj.exe'" /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:4716

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "SppExtComObj" /sc ONLOGON /tr "'C:\Program Files (x86)\Windows Multimedia Platform\SppExtComObj.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:1812

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "SppExtComObjS" /sc MINUTE /mo 9 /tr "'C:\Program Files (x86)\Windows Multimedia Platform\SppExtComObj.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 "SearchAppS" /sc MINUTE /mo 12 /tr "'C:\Program Files (x86)\Internet Explorer\SearchApp.exe'" /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:4940

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "SearchApp" /sc ONLOGON /tr "'C:\Program Files (x86)\Internet Explorer\SearchApp.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:3536

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "SearchAppS" /sc MINUTE /mo 7 /tr "'C:\Program Files (x86)\Internet Explorer\SearchApp.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:4996

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "wininitw" /sc MINUTE /mo 13 /tr "'C:\Users\Default User\wininit.exe'" /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:5036

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "wininit" /sc ONLOGON /tr "'C:\Users\Default User\wininit.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:4928

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "wininitw" /sc MINUTE /mo 8 /tr "'C:\Users\Default User\wininit.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:2384

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "sihosts" /sc MINUTE /mo 5 /tr "'C:\Windows\uk-UA\sihost.exe'" /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:2404

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "sihost" /sc ONLOGON /tr "'C:\Windows\uk-UA\sihost.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:1508

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "sihosts" /sc MINUTE /mo 7 /tr "'C:\Windows\uk-UA\sihost.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:3936

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "TrustedInstallerT" /sc MINUTE /mo 8 /tr "'C:\surrogateserverreviewsession\TrustedInstaller.exe'" /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:4860

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "TrustedInstaller" /sc ONLOGON /tr "'C:\surrogateserverreviewsession\TrustedInstaller.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:3856

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "TrustedInstallerT" /sc MINUTE /mo 14 /tr "'C:\surrogateserverreviewsession\TrustedInstaller.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:2864

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Persistence

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Privilege Escalation

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\sOcanFvVqJ.bat

Filesize
200B

MD5
ae0d3f8920563cb9c1a1396ec0fa01e7

SHA1
decd41f80f280ea2d22c7e236e0f0d9f00371843

SHA256
e0a3930c2d21d3410d9def1bc01a2772ad6af760a0b7ead9d22004af13b84983

SHA512
37260cb26e508639c5ed7d310804561da64bc5d678ffc94d783e53eff47bfec3676576d2d5148e955088bae9e33845883ef286de14d1250360015e3aeaf0c5ab

Download Submit
C:\surrogateserverreviewsession\Agentserver.exe

Filesize
829KB

MD5
f1aaac4c20df683e3596c8a7cd3da07e

SHA1
928e098dea596d12e22ed56f85cf028bcf27b31f

SHA256
f3dd651e1ee7ab505f52e2c269a70e661d06e0eb51285ab41f89b3736352fa89

SHA512
613387cc5d808dd7a9199212476a2ff34a92f5919d1ea353b204aa931248b2fbf0efe9261bfca6ddb804621a8d6234df4558cffc326050a9424957de3b05c6e2

Download Submit
C:\surrogateserverreviewsession\cAWYZg0ZdjD2dKs6hjKja7TASB4qz.bat

Filesize
49B

MD5
92e94bdecb9521be3a47f97d2e66384e

SHA1
eee4fd6f12d9d0194d0bcc5703e11dfc23a3ad5b

SHA256
e248596953f8a96baf8a2d3f4eb134b005aeddeb7f2a7d5943c2788face1ca15

SHA512
b5a418ab94b9a8be9d667411e838ee7b16be373aa68d73f5c8bed8f47dc9bc4c38abc8dec7f06f4f778c9aa72abdd0060293c573ad94832e24605ebf60991224

Download Submit
C:\surrogateserverreviewsession\pmMvwz3lY7qlA.vbe

Filesize
234B

MD5
94c156c40c9fa1a17ea1d1be3e874aa1

SHA1
95b81d6f87a35f34f81d01c31465c2fe0f743a7b

SHA256
33abe968c7250e8fe61d27e7507f8271a989c0bf4ff42133159503f2a4719b5a

SHA512
a52e0fcbefed81b7590ceed9b44762520580d946d72a5c3ac36fc6d07a964253a812e75d3ceba42f83dddd15fbe2114f65f7148975fcdd20c78547a59de132ab

Download Submit
memory/2256-12-0x00007FF8A61D3000-0x00007FF8A61D5000-memory.dmp

Filesize
8KB

Download
memory/2256-13-0x0000000000BC0000-0x0000000000C96000-memory.dmp

Filesize
856KB

Download