dcrat | a07573c22a19a40f9a01422a93bd1c125909857895e9511d59949ba0e5ceb3fe

Analysis

max time kernel
148s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
22-01-2025 10:46

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General

Target

a07573c22a19a40f9a01422a93bd1c125909857895e95.exe
Size

2.7MB
MD5

c462d6a698a68d09fd332986ab175aab
SHA1

796cc4391791a9c135b32d3ae24c83b5f6f759d8
SHA256

a07573c22a19a40f9a01422a93bd1c125909857895e9511d59949ba0e5ceb3fe
SHA512

328dc1e5a620929de513ce5e496c905ace7856af3eb95f9619f0a5e4748f3375220a4327a0807dea30b94e2dc43983c5e5cc21fb45d8522c7dc18ed778a5ba9b
SSDEEP

49152:UB8QdyqETGWTi91dhvdefW1qI8i5ZMFzp2XZXyoW5AJo:+l8GWWzdVdeu1q/iLMFcRyfAJo

Score

10^/10

dcrat discovery execution infostealer persistence rat spyware stealer

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

Modifies WinLogon for persistence 2 TTPs 6 IoCs

persistence

Winlogon Helper DLL

T1547.004

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe, \"C:\\refmonitor\\spoolsv.exe\", \"C:\\Program Files\\Windows Portable Devices\\fontdrvhost.exe\", \"C:\\refmonitor\\services.exe\""	SurrogateBrowserruntimeSvc.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe, \"C:\\refmonitor\\spoolsv.exe\", \"C:\\Program Files\\Windows Portable Devices\\fontdrvhost.exe\", \"C:\\refmonitor\\services.exe\", \"C:\\Users\\All Users\\WindowsHolographicDevices\\SpatialStore\\smss.exe\""	SurrogateBrowserruntimeSvc.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe, \"C:\\refmonitor\\spoolsv.exe\", \"C:\\Program Files\\Windows Portable Devices\\fontdrvhost.exe\", \"C:\\refmonitor\\services.exe\", \"C:\\Users\\All Users\\WindowsHolographicDevices\\SpatialStore\\smss.exe\", \"C:\\Users\\Default User\\csrss.exe\""	SurrogateBrowserruntimeSvc.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe, \"C:\\refmonitor\\spoolsv.exe\", \"C:\\Program Files\\Windows Portable Devices\\fontdrvhost.exe\", \"C:\\refmonitor\\services.exe\", \"C:\\Users\\All Users\\WindowsHolographicDevices\\SpatialStore\\smss.exe\", \"C:\\Users\\Default User\\csrss.exe\", \"C:\\refmonitor\\SurrogateBrowserruntimeSvc.exe\""	SurrogateBrowserruntimeSvc.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe, \"C:\\refmonitor\\spoolsv.exe\""	SurrogateBrowserruntimeSvc.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe, \"C:\\refmonitor\\spoolsv.exe\", \"C:\\Program Files\\Windows Portable Devices\\fontdrvhost.exe\""	SurrogateBrowserruntimeSvc.exe

Process spawned unexpected child process 18 IoCs

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

description	pid	pid_target	Process	procid_target
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	2692	4040	schtasks.exe	88
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	3172	4040	schtasks.exe	88
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	3508	4040	schtasks.exe	88
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	1724	4040	schtasks.exe	88
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	4128	4040	schtasks.exe	88
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	4324	4040	schtasks.exe	88
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	1848	4040	schtasks.exe	88
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	4172	4040	schtasks.exe	88
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	3624	4040	schtasks.exe	88
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	2328	4040	schtasks.exe	88
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	3520	4040	schtasks.exe	88
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	3164	4040	schtasks.exe	88
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	756	4040	schtasks.exe	88
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	1020	4040	schtasks.exe	88
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	1692	4040	schtasks.exe	88
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	4988	4040	schtasks.exe	88
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	3360	4040	schtasks.exe	88
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	3148	4040	schtasks.exe	88

Command and Scripting Interpreter: PowerShell 1 TTPs 6 IoCs

Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

execution

PowerShell

T1059.001

pid	Process
3608	powershell.exe
2236	powershell.exe
4380	powershell.exe
4992	powershell.exe
3632	powershell.exe
4536	powershell.exe

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

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\Control Panel\International\Geo\Nation	a07573c22a19a40f9a01422a93bd1c125909857895e95.exe
Key value queried	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\Control Panel\International\Geo\Nation	WScript.exe
Key value queried	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\Control Panel\International\Geo\Nation	SurrogateBrowserruntimeSvc.exe

Executes dropped EXE 2 IoCs

pid	Process
1112	SurrogateBrowserruntimeSvc.exe
2956	smss.exe

Reads user/profile data of web browsers 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001

Credentials from Web Browsers
T1555.003

Adds Run key to start application 2 TTPs 12 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\spoolsv = "\"C:\\refmonitor\\spoolsv.exe\""	SurrogateBrowserruntimeSvc.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\services = "\"C:\\refmonitor\\services.exe\""	SurrogateBrowserruntimeSvc.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\smss = "\"C:\\Users\\All Users\\WindowsHolographicDevices\\SpatialStore\\smss.exe\""	SurrogateBrowserruntimeSvc.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Users\\Default User\\csrss.exe\""	SurrogateBrowserruntimeSvc.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\spoolsv = "\"C:\\refmonitor\\spoolsv.exe\""	SurrogateBrowserruntimeSvc.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\fontdrvhost = "\"C:\\Program Files\\Windows Portable Devices\\fontdrvhost.exe\""	SurrogateBrowserruntimeSvc.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\fontdrvhost = "\"C:\\Program Files\\Windows Portable Devices\\fontdrvhost.exe\""	SurrogateBrowserruntimeSvc.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\services = "\"C:\\refmonitor\\services.exe\""	SurrogateBrowserruntimeSvc.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\smss = "\"C:\\Users\\All Users\\WindowsHolographicDevices\\SpatialStore\\smss.exe\""	SurrogateBrowserruntimeSvc.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Users\\Default User\\csrss.exe\""	SurrogateBrowserruntimeSvc.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\SurrogateBrowserruntimeSvc = "\"C:\\refmonitor\\SurrogateBrowserruntimeSvc.exe\""	SurrogateBrowserruntimeSvc.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\SurrogateBrowserruntimeSvc = "\"C:\\refmonitor\\SurrogateBrowserruntimeSvc.exe\""	SurrogateBrowserruntimeSvc.exe

Drops file in System32 directory 2 IoCs

description	ioc	Process
File created	\??\c:\Windows\System32\CSCCAAEB8D583C402BBD9DB3F982AC409B.TMP	csc.exe
File created	\??\c:\Windows\System32\kpkopw.exe	csc.exe

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\Program Files\Windows Portable Devices\fontdrvhost.exe	SurrogateBrowserruntimeSvc.exe
File created	C:\Program Files\Windows Portable Devices\5b884080fd4f94	SurrogateBrowserruntimeSvc.exe

Browser Information Discovery 1 TTPs
Enumerate browser information.
discovery

Browser Information Discovery
T1217
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

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	a07573c22a19a40f9a01422a93bd1c125909857895e95.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

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000_Classes\Local Settings	a07573c22a19a40f9a01422a93bd1c125909857895e95.exe
Key created	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000_Classes\Local Settings	SurrogateBrowserruntimeSvc.exe

Scheduled Task/Job: Scheduled Task 1 TTPs 18 IoCs

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

persistence execution

Scheduled Task

T1053.005

pid	Process
2692	schtasks.exe
4988	schtasks.exe
3508	schtasks.exe
3520	schtasks.exe
1020	schtasks.exe
3148	schtasks.exe
1692	schtasks.exe
3360	schtasks.exe
3172	schtasks.exe
1724	schtasks.exe
3624	schtasks.exe
2328	schtasks.exe
3164	schtasks.exe
4128	schtasks.exe
4324	schtasks.exe
1848	schtasks.exe
4172	schtasks.exe
756	schtasks.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
1112	SurrogateBrowserruntimeSvc.exe
1112	SurrogateBrowserruntimeSvc.exe
1112	SurrogateBrowserruntimeSvc.exe
1112	SurrogateBrowserruntimeSvc.exe
1112	SurrogateBrowserruntimeSvc.exe
1112	SurrogateBrowserruntimeSvc.exe
1112	SurrogateBrowserruntimeSvc.exe
1112	SurrogateBrowserruntimeSvc.exe
1112	SurrogateBrowserruntimeSvc.exe
1112	SurrogateBrowserruntimeSvc.exe
1112	SurrogateBrowserruntimeSvc.exe
1112	SurrogateBrowserruntimeSvc.exe
1112	SurrogateBrowserruntimeSvc.exe
1112	SurrogateBrowserruntimeSvc.exe
1112	SurrogateBrowserruntimeSvc.exe
1112	SurrogateBrowserruntimeSvc.exe
1112	SurrogateBrowserruntimeSvc.exe
1112	SurrogateBrowserruntimeSvc.exe
1112	SurrogateBrowserruntimeSvc.exe
1112	SurrogateBrowserruntimeSvc.exe
1112	SurrogateBrowserruntimeSvc.exe
1112	SurrogateBrowserruntimeSvc.exe
1112	SurrogateBrowserruntimeSvc.exe
1112	SurrogateBrowserruntimeSvc.exe
1112	SurrogateBrowserruntimeSvc.exe
1112	SurrogateBrowserruntimeSvc.exe
1112	SurrogateBrowserruntimeSvc.exe
1112	SurrogateBrowserruntimeSvc.exe
1112	SurrogateBrowserruntimeSvc.exe
1112	SurrogateBrowserruntimeSvc.exe
1112	SurrogateBrowserruntimeSvc.exe
1112	SurrogateBrowserruntimeSvc.exe
1112	SurrogateBrowserruntimeSvc.exe
1112	SurrogateBrowserruntimeSvc.exe
1112	SurrogateBrowserruntimeSvc.exe
1112	SurrogateBrowserruntimeSvc.exe
1112	SurrogateBrowserruntimeSvc.exe
1112	SurrogateBrowserruntimeSvc.exe
1112	SurrogateBrowserruntimeSvc.exe
1112	SurrogateBrowserruntimeSvc.exe
1112	SurrogateBrowserruntimeSvc.exe
1112	SurrogateBrowserruntimeSvc.exe
1112	SurrogateBrowserruntimeSvc.exe
1112	SurrogateBrowserruntimeSvc.exe
1112	SurrogateBrowserruntimeSvc.exe
1112	SurrogateBrowserruntimeSvc.exe
1112	SurrogateBrowserruntimeSvc.exe
1112	SurrogateBrowserruntimeSvc.exe
1112	SurrogateBrowserruntimeSvc.exe
1112	SurrogateBrowserruntimeSvc.exe
1112	SurrogateBrowserruntimeSvc.exe
1112	SurrogateBrowserruntimeSvc.exe
1112	SurrogateBrowserruntimeSvc.exe
1112	SurrogateBrowserruntimeSvc.exe
1112	SurrogateBrowserruntimeSvc.exe
1112	SurrogateBrowserruntimeSvc.exe
1112	SurrogateBrowserruntimeSvc.exe
1112	SurrogateBrowserruntimeSvc.exe
1112	SurrogateBrowserruntimeSvc.exe
1112	SurrogateBrowserruntimeSvc.exe
1112	SurrogateBrowserruntimeSvc.exe
1112	SurrogateBrowserruntimeSvc.exe
1112	SurrogateBrowserruntimeSvc.exe
1112	SurrogateBrowserruntimeSvc.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2956	smss.exe

Suspicious use of AdjustPrivilegeToken 8 IoCs

description	pid	Process
Token: SeDebugPrivilege	1112	SurrogateBrowserruntimeSvc.exe
Token: SeDebugPrivilege	2236	powershell.exe
Token: SeDebugPrivilege	4380	powershell.exe
Token: SeDebugPrivilege	3632	powershell.exe
Token: SeDebugPrivilege	4992	powershell.exe
Token: SeDebugPrivilege	3608	powershell.exe
Token: SeDebugPrivilege	4536	powershell.exe
Token: SeDebugPrivilege	2956	smss.exe

Suspicious use of WriteProcessMemory 32 IoCs

description	pid	Process	procid_target
PID 4724 wrote to memory of 3832	4724	a07573c22a19a40f9a01422a93bd1c125909857895e95.exe	83
PID 4724 wrote to memory of 3832	4724	a07573c22a19a40f9a01422a93bd1c125909857895e95.exe	83
PID 4724 wrote to memory of 3832	4724	a07573c22a19a40f9a01422a93bd1c125909857895e95.exe	83
PID 3832 wrote to memory of 4860	3832	WScript.exe	85
PID 3832 wrote to memory of 4860	3832	WScript.exe	85
PID 3832 wrote to memory of 4860	3832	WScript.exe	85
PID 4860 wrote to memory of 1112	4860	cmd.exe	87
PID 4860 wrote to memory of 1112	4860	cmd.exe	87
PID 1112 wrote to memory of 4540	1112	SurrogateBrowserruntimeSvc.exe	93
PID 1112 wrote to memory of 4540	1112	SurrogateBrowserruntimeSvc.exe	93
PID 4540 wrote to memory of 2268	4540	csc.exe	95
PID 4540 wrote to memory of 2268	4540	csc.exe	95
PID 1112 wrote to memory of 4536	1112	SurrogateBrowserruntimeSvc.exe	111
PID 1112 wrote to memory of 4536	1112	SurrogateBrowserruntimeSvc.exe	111
PID 1112 wrote to memory of 4992	1112	SurrogateBrowserruntimeSvc.exe	112
PID 1112 wrote to memory of 4992	1112	SurrogateBrowserruntimeSvc.exe	112
PID 1112 wrote to memory of 4380	1112	SurrogateBrowserruntimeSvc.exe	113
PID 1112 wrote to memory of 4380	1112	SurrogateBrowserruntimeSvc.exe	113
PID 1112 wrote to memory of 3632	1112	SurrogateBrowserruntimeSvc.exe	114
PID 1112 wrote to memory of 3632	1112	SurrogateBrowserruntimeSvc.exe	114
PID 1112 wrote to memory of 3608	1112	SurrogateBrowserruntimeSvc.exe	115
PID 1112 wrote to memory of 3608	1112	SurrogateBrowserruntimeSvc.exe	115
PID 1112 wrote to memory of 2236	1112	SurrogateBrowserruntimeSvc.exe	116
PID 1112 wrote to memory of 2236	1112	SurrogateBrowserruntimeSvc.exe	116
PID 1112 wrote to memory of 2080	1112	SurrogateBrowserruntimeSvc.exe	123
PID 1112 wrote to memory of 2080	1112	SurrogateBrowserruntimeSvc.exe	123
PID 2080 wrote to memory of 2276	2080	cmd.exe	125
PID 2080 wrote to memory of 2276	2080	cmd.exe	125
PID 2080 wrote to memory of 3712	2080	cmd.exe	126
PID 2080 wrote to memory of 3712	2080	cmd.exe	126
PID 2080 wrote to memory of 2956	2080	cmd.exe	133
PID 2080 wrote to memory of 2956	2080	cmd.exe	133

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\a07573c22a19a40f9a01422a93bd1c125909857895e95.exe
"C:\Users\Admin\AppData\Local\Temp\a07573c22a19a40f9a01422a93bd1c125909857895e95.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:4724
- C:\Windows\SysWOW64\WScript.exe
  "C:\Windows\System32\WScript.exe" "C:\refmonitor\IpbZ1VvTcHrONcTKJANl9zG.vbe"
  2⤵
  - Checks computer location settings
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3832
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\refmonitor\L8eiZJU31CCxC9L.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:4860
  - - C:\refmonitor\SurrogateBrowserruntimeSvc.exe
      "C:\refmonitor/SurrogateBrowserruntimeSvc.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
      Modifies registry class
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      Suspicious use of WriteProcessMemory
      PID:1112
    - - C:\Windows\Microsoft.NET\Framework64\v4.0.30319\csc.exe
        
        "C:\Windows\Microsoft.NET\Framework64\v4.0.30319\csc.exe" /noconfig /fullpaths @"C:\Users\Admin\AppData\Local\Temp\bss2snak\bss2snak.cmdline"
        5⤵
        Drops file in System32 directory
        Suspicious use of WriteProcessMemory
        
        PID:4540
      - C:\Windows\Microsoft.NET\Framework64\v4.0.30319\cvtres.exe
        
        C:\Windows\Microsoft.NET\Framework64\v4.0.30319\cvtres.exe /NOLOGO /READONLY /MACHINE:IX86 "/OUT:C:\Users\Admin\AppData\Local\Temp\RES9C40.tmp" "c:\Windows\System32\CSCCAAEB8D583C402BBD9DB3F982AC409B.TMP"
        6⤵
        
        PID:2268
    - - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
        
        "powershell" -Command Add-MpPreference -ExclusionPath 'C:\refmonitor\spoolsv.exe'
        5⤵
        Command and Scripting Interpreter: PowerShell
        Suspicious use of AdjustPrivilegeToken
        
        PID:4536
    - - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
        
        "powershell" -Command Add-MpPreference -ExclusionPath 'C:\Program Files\Windows Portable Devices\fontdrvhost.exe'
        5⤵
        Command and Scripting Interpreter: PowerShell
        Suspicious use of AdjustPrivilegeToken
        
        PID:4992
    - - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
        
        "powershell" -Command Add-MpPreference -ExclusionPath 'C:\refmonitor\services.exe'
        5⤵
        Command and Scripting Interpreter: PowerShell
        Suspicious use of AdjustPrivilegeToken
        
        PID:4380
    - - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
        
        "powershell" -Command Add-MpPreference -ExclusionPath 'C:\Users\All Users\WindowsHolographicDevices\SpatialStore\smss.exe'
        5⤵
        Command and Scripting Interpreter: PowerShell
        Suspicious use of AdjustPrivilegeToken
        
        PID:3632
    - - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
        
        "powershell" -Command Add-MpPreference -ExclusionPath 'C:\Users\Default User\csrss.exe'
        5⤵
        Command and Scripting Interpreter: PowerShell
        Suspicious use of AdjustPrivilegeToken
        
        PID:3608
    - - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
        
        "powershell" -Command Add-MpPreference -ExclusionPath 'C:\refmonitor\SurrogateBrowserruntimeSvc.exe'
        5⤵
        Command and Scripting Interpreter: PowerShell
        Suspicious use of AdjustPrivilegeToken
        
        PID:2236
    - - C:\Windows\System32\cmd.exe
        
        "C:\Windows\System32\cmd.exe" /C "C:\Users\Admin\AppData\Local\Temp\GMvq8Eewcg.bat"
        5⤵
        Suspicious use of WriteProcessMemory
        
        PID:2080
      - C:\Windows\system32\chcp.com
        
        chcp 65001
        6⤵
        
        PID:2276
      - C:\Windows\system32\w32tm.exe
        
        w32tm /stripchart /computer:localhost /period:5 /dataonly /samples:2
        6⤵
        
        PID:3712
      - C:\Users\All Users\WindowsHolographicDevices\SpatialStore\smss.exe
        
        "C:\Users\All Users\WindowsHolographicDevices\SpatialStore\smss.exe"
        6⤵
        Executes dropped EXE
        Suspicious behavior: GetForegroundWindowSpam
        Suspicious use of AdjustPrivilegeToken
        
        PID:2956

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "spoolsvs" /sc MINUTE /mo 6 /tr "'C:\refmonitor\spoolsv.exe'" /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:2692

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "spoolsv" /sc ONLOGON /tr "'C:\refmonitor\spoolsv.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:3172

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "spoolsvs" /sc MINUTE /mo 6 /tr "'C:\refmonitor\spoolsv.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:3508

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "fontdrvhostf" /sc MINUTE /mo 8 /tr "'C:\Program Files\Windows Portable Devices\fontdrvhost.exe'" /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:1724

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "fontdrvhost" /sc ONLOGON /tr "'C:\Program Files\Windows Portable Devices\fontdrvhost.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:4128

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "fontdrvhostf" /sc MINUTE /mo 13 /tr "'C:\Program Files\Windows Portable Devices\fontdrvhost.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:4324

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "servicess" /sc MINUTE /mo 12 /tr "'C:\refmonitor\services.exe'" /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:1848

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "services" /sc ONLOGON /tr "'C:\refmonitor\services.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:4172

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "servicess" /sc MINUTE /mo 6 /tr "'C:\refmonitor\services.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:3624

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "smsss" /sc MINUTE /mo 10 /tr "'C:\Users\All Users\WindowsHolographicDevices\SpatialStore\smss.exe'" /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:2328

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "smss" /sc ONLOGON /tr "'C:\Users\All Users\WindowsHolographicDevices\SpatialStore\smss.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:3520

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "smsss" /sc MINUTE /mo 5 /tr "'C:\Users\All Users\WindowsHolographicDevices\SpatialStore\smss.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:3164

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "csrssc" /sc MINUTE /mo 6 /tr "'C:\Users\Default User\csrss.exe'" /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:756

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "csrss" /sc ONLOGON /tr "'C:\Users\Default User\csrss.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:1020

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "csrssc" /sc MINUTE /mo 8 /tr "'C:\Users\Default User\csrss.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:1692

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "SurrogateBrowserruntimeSvcS" /sc MINUTE /mo 7 /tr "'C:\refmonitor\SurrogateBrowserruntimeSvc.exe'" /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:4988

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "SurrogateBrowserruntimeSvc" /sc ONLOGON /tr "'C:\refmonitor\SurrogateBrowserruntimeSvc.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:3360

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "SurrogateBrowserruntimeSvcS" /sc MINUTE /mo 14 /tr "'C:\refmonitor\SurrogateBrowserruntimeSvc.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:3148

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

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

T1053.005

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

T1053.005

Defense Evasion

Modify Registry

T1112

Credential Access

Credentials from Password Stores

T1555

Credentials from Web Browsers

T1555.003

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

Browser Information Discovery

T1217

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\powershell.exe.log

Filesize
2KB

MD5
d85ba6ff808d9e5444a4b369f5bc2730

SHA1
31aa9d96590fff6981b315e0b391b575e4c0804a

SHA256
84739c608a73509419748e4e20e6cc4e1846056c3fe1929a8300d5a1a488202f

SHA512
8c414eb55b45212af385accc16d9d562adba2123583ce70d22b91161fe878683845512a78f04dedd4ea98ed9b174dbfa98cf696370598ad8e6fbd1e714f1f249

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

Filesize
944B

MD5
77d622bb1a5b250869a3238b9bc1402b

SHA1
d47f4003c2554b9dfc4c16f22460b331886b191b

SHA256
f97ff12a8abf4bf88bb6497bd2ac2da12628c8847a8ba5a9026bdbb76507cdfb

SHA512
d6789b5499f23c9035375a102271e17a8a82e57d6f5312fa24242e08a83efdeb8becb7622f55c4cf1b89c7d864b445df11f4d994cf7e2f87a900535bcca12fd9

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

Filesize
944B

MD5
d28a889fd956d5cb3accfbaf1143eb6f

SHA1
157ba54b365341f8ff06707d996b3635da8446f7

SHA256
21e5d7ccf80a293e6ba30ed728846ca19c929c52b96e2c8d34e27cd2234f1d45

SHA512
0b6d88deb9be85722e6a78d5886d49f2caf407a59e128d2b4ed74c1356f9928c40048a62731959f2460e9ff9d9feee311043d2a37abe3bb92c2b76a44281478c

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

Filesize
944B

MD5
2e907f77659a6601fcc408274894da2e

SHA1
9f5b72abef1cd7145bf37547cdb1b9254b4efe9d

SHA256
385da35673330e21ac02545220552fe301fe54dedefbdafc097ac4342a295233

SHA512
34fa0fff24f6550f55f828541aaefe5d75c86f8f0842d54b50065e9746f9662bb7209c74c9a9571540b9855bb3851f01db613190024e89b198d485bb5dc07721

Download Submit
C:\Users\Admin\AppData\Local\Temp\GMvq8Eewcg.bat

Filesize
242B

MD5
23468c511ca0fb94fe106a34e2f357c7

SHA1
cbbcd9c2d29ef77db702a61ec7d7cacfb2ce9067

SHA256
c5656df72cae47d7cf6aac682945dc4202d4aa63c5c7bed52ed70bef83684bbe

SHA512
28f4a87b244fdd4fb6909ddad0846ae8c6e24cfc49273e5de92255ff9deade4c7f9c4ced3e9bfea95c60cc325a26a0c52b2217a4388ddacc00a2e87f1344291a

Download Submit
C:\Users\Admin\AppData\Local\Temp\RES9C40.tmp

Filesize
1KB

MD5
3aeaebc1ff586533d6932d98ebf08e0f

SHA1
510a16ecd162065e5bdc2cb718cca52a92839931

SHA256
4f734aa2a7cdfafbefe83f7ba806e54746c3dbb94e8776ea48b8fdd2a611a391

SHA512
58a6e7bc54ac12f374926ef8366e67fb0cb78c44cbf23e8d0ce33629f2002cc73f8a91cf9e7205696c3b65dd5ce5e163c9801ecf4f91076471697595a69c00c6

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_p2tdv1id.2cj.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\refmonitor\IpbZ1VvTcHrONcTKJANl9zG.vbe

Filesize
203B

MD5
7ab2590560976f9db5936c16c769e33e

SHA1
879f7a609f21c2db8f985a2be7328708225ecaac

SHA256
582d8eef207124fa14ea2bee1733ac8eaada70a9dc2e5a26481136deaff10fde

SHA512
2cae748998d21e4e217b652c5cef6a3ba206cf845bba9d85507fea99ee334093318b248680819b36745c1ba586e0d4115a225ef8bc17211d61c2314fbcdd92f4

Download Submit
C:\refmonitor\L8eiZJU31CCxC9L.bat

Filesize
85B

MD5
550369819d3a809d6b71c88c2ac730dd

SHA1
dc2349d2365842b97c43a20922a500bc5402c484

SHA256
359617de9c982df1d89e52bd9be840bb6618850d46380d4183ada239c8435e32

SHA512
aac7ccd06cf0f49d651d1fbc276031bb1b431feb260098cbb69fb54c3993e15e8f6f80ff8c0031048f34e33276800286f2943535ca34f33c0944380a3b960921

Download Submit
C:\refmonitor\SurrogateBrowserruntimeSvc.exe

Filesize
2.4MB

MD5
13d5df2ab2ead9bc68445f92b137eda6

SHA1
0411a2f0bae6108252130feb85e20cc1cf6b5d07

SHA256
80b56ea271aee36a7631af049b4a07141163f8d79ef220af176dc661acad8f54

SHA512
b58d4ec4689de7d0229c56161163e2174004dd217c2a3d33985400d8907506a36b0f769d6ba196327e00577879e7e0c8442ff6e29cbae4110c231ededde45b62

Download Submit
\??\c:\Users\Admin\AppData\Local\Temp\bss2snak\bss2snak.0.cs

Filesize
357B

MD5
36591c298e2a81347729c6f94da9302b

SHA1
400d9085141ad7ffe29a7930d23a28a66849f755

SHA256
6362dc265c745d7b84207fbc3efec0defd26b643b6899034ae3d7bf441209d7b

SHA512
656f1a45dbd09e1a0152ff56d89c3c75ac28d9d78e0756d73e025cbb52f7f3b18cd689928a6b95d2876b7cff0ce25b27afb92aac8ab2d5eeeaf7545be5ca0620

Download Submit
\??\c:\Users\Admin\AppData\Local\Temp\bss2snak\bss2snak.cmdline

Filesize
235B

MD5
45345b01d5b7229801aaad862265091e

SHA1
4adeab2079d9ecb2db2623e75e376c022c4c7aa9

SHA256
0b6e94d9530c2981e5b79ee88523b76d69011f783221aee00160ce9ea5441908

SHA512
1f480b5c3fb43235bb4ddf97fef78d5e029684aa1b43e2fa84dc5e8e7705de894994a0680c8d256b00b4d63c1d33638f8754db5ad6242e3697d75010aee691a6

Download Submit
\??\c:\Windows\System32\CSCCAAEB8D583C402BBD9DB3F982AC409B.TMP

Filesize
1KB

MD5
7bbfaf1199741b237d2493615c95c6d7

SHA1
86d466217c4dc1e0808f83ceda8f4b4df948b5dc

SHA256
e20e4619dbc932a216fd93f86fe0af2e915f4c2ba6177fc3581da59885094476

SHA512
2eda9bf71dc4a4583b7b8e9a6aab0f91d98cca68ee4309df1a4d26541917678da09a15d712397ae4b95fe95b65c8aa6eeab94d7620a5546b3df6c00306ef4a5c

Download Submit
memory/1112-28-0x000000001BA70000-0x000000001BA88000-memory.dmp

Filesize
96KB

Download
memory/1112-65-0x000000001BBA0000-0x000000001BC49000-memory.dmp

Filesize
676KB

Download
memory/1112-26-0x0000000002FA0000-0x0000000002FB0000-memory.dmp

Filesize
64KB

Download
memory/1112-24-0x000000001C060000-0x000000001C0BA000-memory.dmp

Filesize
360KB

Download
memory/1112-22-0x000000001B9F0000-0x000000001BA06000-memory.dmp

Filesize
88KB

Download
memory/1112-12-0x00007FFEC90D3000-0x00007FFEC90D5000-memory.dmp

Filesize
8KB

Download
memory/1112-20-0x000000001B9D0000-0x000000001B9E8000-memory.dmp

Filesize
96KB

Download
memory/1112-30-0x0000000002FB0000-0x0000000002FBC000-memory.dmp

Filesize
48KB

Download
memory/1112-18-0x000000001BA20000-0x000000001BA70000-memory.dmp

Filesize
320KB

Download
memory/1112-17-0x000000001B9B0000-0x000000001B9CC000-memory.dmp

Filesize
112KB

Download
memory/1112-15-0x0000000002F90000-0x0000000002F9E000-memory.dmp

Filesize
56KB

Download
memory/1112-13-0x0000000000C00000-0x0000000000E72000-memory.dmp

Filesize
2.4MB

Download
memory/2236-64-0x0000027271430000-0x0000027271452000-memory.dmp

Filesize
136KB

Download
memory/2956-140-0x000000001DDA0000-0x000000001DE49000-memory.dmp

Filesize
676KB

Download