dcrat | a07573c22a19a40f9a01422a93bd1c125909857895e9511d59949ba0e5ceb3fe

Analysis

max time kernel
149s
max time network
148s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
23-01-2025 04:03

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General

Target

a07573c22a19a40f9a01422a93bd1c125909857895e9511d59949ba0e5ceb3fe.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

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\\sppsvc.exe\""	SurrogateBrowserruntimeSvc.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe, \"C:\\refmonitor\\sppsvc.exe\", \"C:\\refmonitor\\StartMenuExperienceHost.exe\""	SurrogateBrowserruntimeSvc.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe, \"C:\\refmonitor\\sppsvc.exe\", \"C:\\refmonitor\\StartMenuExperienceHost.exe\", \"C:\\Users\\All Users\\Documents\\Registry.exe\""	SurrogateBrowserruntimeSvc.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe, \"C:\\refmonitor\\sppsvc.exe\", \"C:\\refmonitor\\StartMenuExperienceHost.exe\", \"C:\\Users\\All Users\\Documents\\Registry.exe\", \"C:\\Users\\Public\\wininit.exe\""	SurrogateBrowserruntimeSvc.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe, \"C:\\refmonitor\\sppsvc.exe\", \"C:\\refmonitor\\StartMenuExperienceHost.exe\", \"C:\\Users\\All Users\\Documents\\Registry.exe\", \"C:\\Users\\Public\\wininit.exe\", \"C:\\Recovery\\WindowsRE\\explorer.exe\""	SurrogateBrowserruntimeSvc.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe, \"C:\\refmonitor\\sppsvc.exe\", \"C:\\refmonitor\\StartMenuExperienceHost.exe\", \"C:\\Users\\All Users\\Documents\\Registry.exe\", \"C:\\Users\\Public\\wininit.exe\", \"C:\\Recovery\\WindowsRE\\explorer.exe\", \"C:\\refmonitor\\SurrogateBrowserruntimeSvc.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	4400	1912	schtasks.exe	89
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	348	1912	schtasks.exe	89
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	4704	1912	schtasks.exe	89
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	4820	1912	schtasks.exe	89
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	2952	1912	schtasks.exe	89
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	2860	1912	schtasks.exe	89
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	1808	1912	schtasks.exe	89
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	4452	1912	schtasks.exe	89
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	752	1912	schtasks.exe	89
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	2332	1912	schtasks.exe	89
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	1732	1912	schtasks.exe	89
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	3488	1912	schtasks.exe	89
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	4264	1912	schtasks.exe	89
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	3928	1912	schtasks.exe	89
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	3288	1912	schtasks.exe	89
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	3744	1912	schtasks.exe	89
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	216	1912	schtasks.exe	89
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	4916	1912	schtasks.exe	89

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
4620	powershell.exe
4600	powershell.exe
1000	powershell.exe
864	powershell.exe
384	powershell.exe
1032	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	SurrogateBrowserruntimeSvc.exe
Key value queried	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\Control Panel\International\Geo\Nation	a07573c22a19a40f9a01422a93bd1c125909857895e9511d59949ba0e5ceb3fe.exe
Key value queried	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\Control Panel\International\Geo\Nation	WScript.exe

Executes dropped EXE 2 IoCs

pid	Process
2564	SurrogateBrowserruntimeSvc.exe
2136	wininit.exe

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\Registry = "\"C:\\Users\\All Users\\Documents\\Registry.exe\""	SurrogateBrowserruntimeSvc.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wininit = "\"C:\\Users\\Public\\wininit.exe\""	SurrogateBrowserruntimeSvc.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wininit = "\"C:\\Users\\Public\\wininit.exe\""	SurrogateBrowserruntimeSvc.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\explorer = "\"C:\\Recovery\\WindowsRE\\explorer.exe\""	SurrogateBrowserruntimeSvc.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\explorer = "\"C:\\Recovery\\WindowsRE\\explorer.exe\""	SurrogateBrowserruntimeSvc.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\sppsvc = "\"C:\\refmonitor\\sppsvc.exe\""	SurrogateBrowserruntimeSvc.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\StartMenuExperienceHost = "\"C:\\refmonitor\\StartMenuExperienceHost.exe\""	SurrogateBrowserruntimeSvc.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\StartMenuExperienceHost = "\"C:\\refmonitor\\StartMenuExperienceHost.exe\""	SurrogateBrowserruntimeSvc.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\SurrogateBrowserruntimeSvc = "\"C:\\refmonitor\\SurrogateBrowserruntimeSvc.exe\""	SurrogateBrowserruntimeSvc.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\sppsvc = "\"C:\\refmonitor\\sppsvc.exe\""	SurrogateBrowserruntimeSvc.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Registry = "\"C:\\Users\\All Users\\Documents\\Registry.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

Drops file in System32 directory 2 IoCs

description	ioc	Process
File created	\??\c:\Windows\System32\CSC790FB39F6FD94F47BA6779E31FCA3CF.TMP	csc.exe
File created	\??\c:\Windows\System32\kpkopw.exe	csc.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

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	WScript.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	a07573c22a19a40f9a01422a93bd1c125909857895e9511d59949ba0e5ceb3fe.exe

System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 1 IoCs

Adversaries may check for Internet connectivity on compromised systems.

discovery

Internet Connection Discovery

T1016.001

pid	Process
32	PING.EXE

Modifies registry class 2 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000_Classes\Local Settings	a07573c22a19a40f9a01422a93bd1c125909857895e9511d59949ba0e5ceb3fe.exe
Key created	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000_Classes\Local Settings	SurrogateBrowserruntimeSvc.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
32	PING.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
2952	schtasks.exe
4452	schtasks.exe
4264	schtasks.exe
752	schtasks.exe
3488	schtasks.exe
3928	schtasks.exe
3288	schtasks.exe
1732	schtasks.exe
3744	schtasks.exe
4400	schtasks.exe
348	schtasks.exe
4820	schtasks.exe
2860	schtasks.exe
1808	schtasks.exe
2332	schtasks.exe
4916	schtasks.exe
4704	schtasks.exe
216	schtasks.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
2564	SurrogateBrowserruntimeSvc.exe
2564	SurrogateBrowserruntimeSvc.exe
2564	SurrogateBrowserruntimeSvc.exe
2564	SurrogateBrowserruntimeSvc.exe
2564	SurrogateBrowserruntimeSvc.exe
2564	SurrogateBrowserruntimeSvc.exe
2564	SurrogateBrowserruntimeSvc.exe
2564	SurrogateBrowserruntimeSvc.exe
2564	SurrogateBrowserruntimeSvc.exe
2564	SurrogateBrowserruntimeSvc.exe
2564	SurrogateBrowserruntimeSvc.exe
2564	SurrogateBrowserruntimeSvc.exe
2564	SurrogateBrowserruntimeSvc.exe
2564	SurrogateBrowserruntimeSvc.exe
2564	SurrogateBrowserruntimeSvc.exe
2564	SurrogateBrowserruntimeSvc.exe
2564	SurrogateBrowserruntimeSvc.exe
2564	SurrogateBrowserruntimeSvc.exe
2564	SurrogateBrowserruntimeSvc.exe
2564	SurrogateBrowserruntimeSvc.exe
2564	SurrogateBrowserruntimeSvc.exe
2564	SurrogateBrowserruntimeSvc.exe
2564	SurrogateBrowserruntimeSvc.exe
2564	SurrogateBrowserruntimeSvc.exe
2564	SurrogateBrowserruntimeSvc.exe
2564	SurrogateBrowserruntimeSvc.exe
2564	SurrogateBrowserruntimeSvc.exe
2564	SurrogateBrowserruntimeSvc.exe
2564	SurrogateBrowserruntimeSvc.exe
2564	SurrogateBrowserruntimeSvc.exe
2564	SurrogateBrowserruntimeSvc.exe
2564	SurrogateBrowserruntimeSvc.exe
2564	SurrogateBrowserruntimeSvc.exe
2564	SurrogateBrowserruntimeSvc.exe
2564	SurrogateBrowserruntimeSvc.exe
2564	SurrogateBrowserruntimeSvc.exe
2564	SurrogateBrowserruntimeSvc.exe
2564	SurrogateBrowserruntimeSvc.exe
2564	SurrogateBrowserruntimeSvc.exe
2564	SurrogateBrowserruntimeSvc.exe
2564	SurrogateBrowserruntimeSvc.exe
2564	SurrogateBrowserruntimeSvc.exe
2564	SurrogateBrowserruntimeSvc.exe
2564	SurrogateBrowserruntimeSvc.exe
2564	SurrogateBrowserruntimeSvc.exe
2564	SurrogateBrowserruntimeSvc.exe
2564	SurrogateBrowserruntimeSvc.exe
2564	SurrogateBrowserruntimeSvc.exe
2564	SurrogateBrowserruntimeSvc.exe
2564	SurrogateBrowserruntimeSvc.exe
2564	SurrogateBrowserruntimeSvc.exe
2564	SurrogateBrowserruntimeSvc.exe
2564	SurrogateBrowserruntimeSvc.exe
2564	SurrogateBrowserruntimeSvc.exe
2564	SurrogateBrowserruntimeSvc.exe
2564	SurrogateBrowserruntimeSvc.exe
2564	SurrogateBrowserruntimeSvc.exe
2564	SurrogateBrowserruntimeSvc.exe
2564	SurrogateBrowserruntimeSvc.exe
2564	SurrogateBrowserruntimeSvc.exe
2564	SurrogateBrowserruntimeSvc.exe
2564	SurrogateBrowserruntimeSvc.exe
2564	SurrogateBrowserruntimeSvc.exe
2564	SurrogateBrowserruntimeSvc.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2136	wininit.exe

Suspicious use of AdjustPrivilegeToken 8 IoCs

description	pid	Process
Token: SeDebugPrivilege	2564	SurrogateBrowserruntimeSvc.exe
Token: SeDebugPrivilege	1032	powershell.exe
Token: SeDebugPrivilege	864	powershell.exe
Token: SeDebugPrivilege	4600	powershell.exe
Token: SeDebugPrivilege	1000	powershell.exe
Token: SeDebugPrivilege	4620	powershell.exe
Token: SeDebugPrivilege	384	powershell.exe
Token: SeDebugPrivilege	2136	wininit.exe

Suspicious use of WriteProcessMemory 32 IoCs

description	pid	Process	procid_target
PID 3136 wrote to memory of 2844	3136	a07573c22a19a40f9a01422a93bd1c125909857895e9511d59949ba0e5ceb3fe.exe	84
PID 3136 wrote to memory of 2844	3136	a07573c22a19a40f9a01422a93bd1c125909857895e9511d59949ba0e5ceb3fe.exe	84
PID 3136 wrote to memory of 2844	3136	a07573c22a19a40f9a01422a93bd1c125909857895e9511d59949ba0e5ceb3fe.exe	84
PID 2844 wrote to memory of 2268	2844	WScript.exe	86
PID 2844 wrote to memory of 2268	2844	WScript.exe	86
PID 2844 wrote to memory of 2268	2844	WScript.exe	86
PID 2268 wrote to memory of 2564	2268	cmd.exe	88
PID 2268 wrote to memory of 2564	2268	cmd.exe	88
PID 2564 wrote to memory of 4092	2564	SurrogateBrowserruntimeSvc.exe	94
PID 2564 wrote to memory of 4092	2564	SurrogateBrowserruntimeSvc.exe	94
PID 4092 wrote to memory of 2040	4092	csc.exe	96
PID 4092 wrote to memory of 2040	4092	csc.exe	96
PID 2564 wrote to memory of 1032	2564	SurrogateBrowserruntimeSvc.exe	112
PID 2564 wrote to memory of 1032	2564	SurrogateBrowserruntimeSvc.exe	112
PID 2564 wrote to memory of 384	2564	SurrogateBrowserruntimeSvc.exe	113
PID 2564 wrote to memory of 384	2564	SurrogateBrowserruntimeSvc.exe	113
PID 2564 wrote to memory of 864	2564	SurrogateBrowserruntimeSvc.exe	114
PID 2564 wrote to memory of 864	2564	SurrogateBrowserruntimeSvc.exe	114
PID 2564 wrote to memory of 1000	2564	SurrogateBrowserruntimeSvc.exe	115
PID 2564 wrote to memory of 1000	2564	SurrogateBrowserruntimeSvc.exe	115
PID 2564 wrote to memory of 4600	2564	SurrogateBrowserruntimeSvc.exe	116
PID 2564 wrote to memory of 4600	2564	SurrogateBrowserruntimeSvc.exe	116
PID 2564 wrote to memory of 4620	2564	SurrogateBrowserruntimeSvc.exe	117
PID 2564 wrote to memory of 4620	2564	SurrogateBrowserruntimeSvc.exe	117
PID 2564 wrote to memory of 660	2564	SurrogateBrowserruntimeSvc.exe	124
PID 2564 wrote to memory of 660	2564	SurrogateBrowserruntimeSvc.exe	124
PID 660 wrote to memory of 440	660	cmd.exe	126
PID 660 wrote to memory of 440	660	cmd.exe	126
PID 660 wrote to memory of 32	660	cmd.exe	127
PID 660 wrote to memory of 32	660	cmd.exe	127
PID 660 wrote to memory of 2136	660	cmd.exe	140
PID 660 wrote to memory of 2136	660	cmd.exe	140

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\a07573c22a19a40f9a01422a93bd1c125909857895e9511d59949ba0e5ceb3fe.exe
"C:\Users\Admin\AppData\Local\Temp\a07573c22a19a40f9a01422a93bd1c125909857895e9511d59949ba0e5ceb3fe.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:3136
- 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:2844
- - 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:2268
  - - 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
      Modifies registry class
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      Suspicious use of WriteProcessMemory
      PID:2564
    - - 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\kuec3kug\kuec3kug.cmdline"
        5⤵
        Drops file in System32 directory
        Suspicious use of WriteProcessMemory
        
        PID:4092
      - 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\RESDBBA.tmp" "c:\Windows\System32\CSC790FB39F6FD94F47BA6779E31FCA3CF.TMP"
        6⤵
        
        PID:2040
    - - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
        
        "powershell" -Command Add-MpPreference -ExclusionPath 'C:\refmonitor\sppsvc.exe'
        5⤵
        Command and Scripting Interpreter: PowerShell
        Suspicious use of AdjustPrivilegeToken
        
        PID:1032
    - - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
        
        "powershell" -Command Add-MpPreference -ExclusionPath 'C:\refmonitor\StartMenuExperienceHost.exe'
        5⤵
        Command and Scripting Interpreter: PowerShell
        Suspicious use of AdjustPrivilegeToken
        
        PID:384
    - - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
        
        "powershell" -Command Add-MpPreference -ExclusionPath 'C:\Users\All Users\Documents\Registry.exe'
        5⤵
        Command and Scripting Interpreter: PowerShell
        Suspicious use of AdjustPrivilegeToken
        
        PID:864
    - - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
        
        "powershell" -Command Add-MpPreference -ExclusionPath 'C:\Users\Public\wininit.exe'
        5⤵
        Command and Scripting Interpreter: PowerShell
        Suspicious use of AdjustPrivilegeToken
        
        PID:1000
    - - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
        
        "powershell" -Command Add-MpPreference -ExclusionPath 'C:\Recovery\WindowsRE\explorer.exe'
        5⤵
        Command and Scripting Interpreter: PowerShell
        Suspicious use of AdjustPrivilegeToken
        
        PID:4600
    - - 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:4620
    - - C:\Windows\System32\cmd.exe
        
        "C:\Windows\System32\cmd.exe" /C "C:\Users\Admin\AppData\Local\Temp\XrlPFdTEX4.bat"
        5⤵
        Suspicious use of WriteProcessMemory
        
        PID:660
      - C:\Windows\system32\chcp.com
        
        chcp 65001
        6⤵
        
        PID:440
      - C:\Windows\system32\PING.EXE
        
        ping -n 10 localhost
        6⤵
        System Network Configuration Discovery: Internet Connection Discovery
        Runs ping.exe
        
        PID:32
      - C:\Users\Public\wininit.exe
        
        "C:\Users\Public\wininit.exe"
        6⤵
        Executes dropped EXE
        Suspicious behavior: GetForegroundWindowSpam
        Suspicious use of AdjustPrivilegeToken
        
        PID:2136

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "sppsvcs" /sc MINUTE /mo 9 /tr "'C:\refmonitor\sppsvc.exe'" /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:4400

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "sppsvc" /sc ONLOGON /tr "'C:\refmonitor\sppsvc.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:348

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "sppsvcs" /sc MINUTE /mo 11 /tr "'C:\refmonitor\sppsvc.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:4704

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "StartMenuExperienceHostS" /sc MINUTE /mo 6 /tr "'C:\refmonitor\StartMenuExperienceHost.exe'" /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:4820

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "StartMenuExperienceHost" /sc ONLOGON /tr "'C:\refmonitor\StartMenuExperienceHost.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:2952

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "StartMenuExperienceHostS" /sc MINUTE /mo 6 /tr "'C:\refmonitor\StartMenuExperienceHost.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:2860

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "RegistryR" /sc MINUTE /mo 11 /tr "'C:\Users\All Users\Documents\Registry.exe'" /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:1808

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "Registry" /sc ONLOGON /tr "'C:\Users\All Users\Documents\Registry.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:4452

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "RegistryR" /sc MINUTE /mo 9 /tr "'C:\Users\All Users\Documents\Registry.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:752

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "wininitw" /sc MINUTE /mo 9 /tr "'C:\Users\Public\wininit.exe'" /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:2332

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "wininit" /sc ONLOGON /tr "'C:\Users\Public\wininit.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:1732

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "wininitw" /sc MINUTE /mo 8 /tr "'C:\Users\Public\wininit.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:3488

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "explorere" /sc MINUTE /mo 10 /tr "'C:\Recovery\WindowsRE\explorer.exe'" /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:4264

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "explorer" /sc ONLOGON /tr "'C:\Recovery\WindowsRE\explorer.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:3928

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "explorere" /sc MINUTE /mo 13 /tr "'C:\Recovery\WindowsRE\explorer.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:3288

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "SurrogateBrowserruntimeSvcS" /sc MINUTE /mo 5 /tr "'C:\refmonitor\SurrogateBrowserruntimeSvc.exe'" /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:3744

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:216

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "SurrogateBrowserruntimeSvcS" /sc MINUTE /mo 6 /tr "'C:\refmonitor\SurrogateBrowserruntimeSvc.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:4916

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

Discovery

Query Registry

T1012

Remote System Discovery

T1018

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

System Network Configuration Discovery

T1016

Internet Connection Discovery

T1016.001

Lateral Movement

Collection

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
2e907f77659a6601fcc408274894da2e

SHA1
9f5b72abef1cd7145bf37547cdb1b9254b4efe9d

SHA256
385da35673330e21ac02545220552fe301fe54dedefbdafc097ac4342a295233

SHA512
34fa0fff24f6550f55f828541aaefe5d75c86f8f0842d54b50065e9746f9662bb7209c74c9a9571540b9855bb3851f01db613190024e89b198d485bb5dc07721

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

Filesize
944B

MD5
3a6bad9528f8e23fb5c77fbd81fa28e8

SHA1
f127317c3bc6407f536c0f0600dcbcf1aabfba36

SHA256
986366767de5873f1b170a63f2a33ce05132d1afd90c8f5017afbca8ef1beb05

SHA512
846002154a0ece6f3e9feda6f115d3161dc21b3789525dd62ae1d9188495171293efdbe7be4710666dd8a15e66b557315b5a02918a741ed1d5f3ff0c515b98e2

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

Filesize
1KB

MD5
368236743efad1a736149072ed37a90a

SHA1
af194c0984fd47a725a1c8bb0d40f42dc1734a56

SHA256
7c8492d372343e1473c712b68ea60fe364ac7276685e7386606c0f26564bec46

SHA512
1eca79fdf1d3b97cce0528be46c03f6e466c83eb9c07c6b762efd0f2de2b7fce6c19c118f74d94932f506c141882abc2543d7f6cf17002644ca321e812d4549c

Download Submit
C:\Users\Admin\AppData\Local\Temp\XrlPFdTEX4.bat

Filesize
155B

MD5
09f01a12b763671e234e4b6233b9e8f8

SHA1
53aa86b089ead3b980ba0fb200edc9b37de01d93

SHA256
dfb4b3b85c43a00993b2a5b2aacff7f462358619a157c1ab83ba3db0293e0e7a

SHA512
5417f755cd08bcdc7ca351dd514d4d248aca8e7ce6710ae08bb686494a02d7763c7f2335a038736ad58d55792951b4ebb7cc0c8affcf88f40dab329f519787fa

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_fbi0fmhd.sqc.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\kuec3kug\kuec3kug.0.cs

Filesize
356B

MD5
82f24083d7ce98d78dfd68ba0850c6df

SHA1
49613974700ccd594194c25faeef56cd9e49635f

SHA256
5650f9c2a6237a77acd98909dfdc9ac1d57266aabd544aed181ac4345d1a7e3d

SHA512
27dba5314dac95598c361ce93c48fa43078243423af715e5258d9a56b848ba8f7ca72f6d74f9b010ce0a4648506197ec07a489172e65c3bc64590381e9e9140f

Download Submit
\??\c:\Users\Admin\AppData\Local\Temp\kuec3kug\kuec3kug.cmdline

Filesize
235B

MD5
52edc26a363dc604aa31bb2f9d19f24a

SHA1
f27eece000aac885ef5dff375ac621f125291375

SHA256
0e8e46249ccba4d99e35418fac0610c241692a6063b84987373df0aa1c973672

SHA512
0c61dd70bd6fc0d7e2a2584af0d7fa1b2b35bf577c754b746cc9b43c1a85a4889afdf8a4b6552b804e93586781eef5516f7e3df88a9a8ad4235352aea2f8ee90

Download Submit
\??\c:\Windows\System32\CSC790FB39F6FD94F47BA6779E31FCA3CF.TMP

Filesize
1KB

MD5
7bbfaf1199741b237d2493615c95c6d7

SHA1
86d466217c4dc1e0808f83ceda8f4b4df948b5dc

SHA256
e20e4619dbc932a216fd93f86fe0af2e915f4c2ba6177fc3581da59885094476

SHA512
2eda9bf71dc4a4583b7b8e9a6aab0f91d98cca68ee4309df1a4d26541917678da09a15d712397ae4b95fe95b65c8aa6eeab94d7620a5546b3df6c00306ef4a5c

Download Submit
memory/1032-63-0x000002806B970000-0x000002806B992000-memory.dmp

Filesize
136KB

Download
memory/2136-140-0x000000001BFA0000-0x000000001C00B000-memory.dmp

Filesize
428KB

Download
memory/2564-17-0x0000000003250000-0x000000000326C000-memory.dmp

Filesize
112KB

Download
memory/2564-30-0x0000000003220000-0x000000000322C000-memory.dmp

Filesize
48KB

Download
memory/2564-28-0x0000000003310000-0x0000000003328000-memory.dmp

Filesize
96KB

Download
memory/2564-26-0x0000000003210000-0x0000000003220000-memory.dmp

Filesize
64KB

Download
memory/2564-24-0x000000001C2B0000-0x000000001C30A000-memory.dmp

Filesize
360KB

Download
memory/2564-96-0x000000001BD10000-0x000000001BD7B000-memory.dmp

Filesize
428KB

Download
memory/2564-22-0x0000000003290000-0x00000000032A6000-memory.dmp

Filesize
88KB

Download
memory/2564-20-0x0000000003270000-0x0000000003288000-memory.dmp

Filesize
96KB

Download
memory/2564-18-0x00000000032C0000-0x0000000003310000-memory.dmp

Filesize
320KB

Download
memory/2564-15-0x0000000003200000-0x000000000320E000-memory.dmp

Filesize
56KB

Download
memory/2564-13-0x0000000000E70000-0x00000000010E2000-memory.dmp

Filesize
2.4MB

Download
memory/2564-12-0x00007FFCFB383000-0x00007FFCFB385000-memory.dmp

Filesize
8KB

Download