dcrat | 168637ea64d64afefd1f88b91ffecb74715ccb6a98acf73d4a16175511628276

Analysis

max time kernel
93s
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
10-01-2025 14:14

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General

Target

loader.exe
Size

3.2MB
MD5

2307ca04c2633d28345fb0580c77c2ec
SHA1

edbd1f092ed03cb2674877aba6e874722ee07814
SHA256

168637ea64d64afefd1f88b91ffecb74715ccb6a98acf73d4a16175511628276
SHA512

c2646c5bf3dcd6ef4679af80ae6424c1f88e3f29a40beff729b59bebd8fd3d9b0d45392d2e11f4e1b69ada0f4ec20cfc45430d184cdf0238f2845b7deaff7e9b
SSDEEP

98304:ups+iZyomWShz+6WumEq5GGxLnIlP2NgQKGfxx:ndZOhNWumEqxLIB21K6H

Score

10^/10

dcrat discovery 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:\\Recovery\\WindowsRE\\TextInputHost.exe\""	chainPorthostCommon.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe, \"C:\\Recovery\\WindowsRE\\TextInputHost.exe\", \"C:\\Recovery\\WindowsRE\\wininit.exe\""	chainPorthostCommon.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe, \"C:\\Recovery\\WindowsRE\\TextInputHost.exe\", \"C:\\Recovery\\WindowsRE\\wininit.exe\", \"C:\\Recovery\\WindowsRE\\sppsvc.exe\""	chainPorthostCommon.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe, \"C:\\Recovery\\WindowsRE\\TextInputHost.exe\", \"C:\\Recovery\\WindowsRE\\wininit.exe\", \"C:\\Recovery\\WindowsRE\\sppsvc.exe\", \"C:\\Program Files\\MSBuild\\Microsoft\\dllhost.exe\""	chainPorthostCommon.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe, \"C:\\Recovery\\WindowsRE\\TextInputHost.exe\", \"C:\\Recovery\\WindowsRE\\wininit.exe\", \"C:\\Recovery\\WindowsRE\\sppsvc.exe\", \"C:\\Program Files\\MSBuild\\Microsoft\\dllhost.exe\", \"C:\\ServerWinRuntimeBroker\\explorer.exe\""	chainPorthostCommon.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe, \"C:\\Recovery\\WindowsRE\\TextInputHost.exe\", \"C:\\Recovery\\WindowsRE\\wininit.exe\", \"C:\\Recovery\\WindowsRE\\sppsvc.exe\", \"C:\\Program Files\\MSBuild\\Microsoft\\dllhost.exe\", \"C:\\ServerWinRuntimeBroker\\explorer.exe\", \"C:\\ServerWinRuntimeBroker\\chainPorthostCommon.exe\""	chainPorthostCommon.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	1548	3304	schtasks.exe	86
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	2856	3304	schtasks.exe	86
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	2588	3304	schtasks.exe	86
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	3392	3304	schtasks.exe	86
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	4080	3304	schtasks.exe	86
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	3456	3304	schtasks.exe	86
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	1056	3304	schtasks.exe	86
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	4960	3304	schtasks.exe	86
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	1908	3304	schtasks.exe	86
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	4668	3304	schtasks.exe	86
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	3248	3304	schtasks.exe	86
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	4516	3304	schtasks.exe	86
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	5080	3304	schtasks.exe	86
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	4352	3304	schtasks.exe	86
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	5108	3304	schtasks.exe	86
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	4608	3304	schtasks.exe	86
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	3984	3304	schtasks.exe	86
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	1020	3304	schtasks.exe	86

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-1-5-21-3756129449-3121373848-4276368241-1000\Control Panel\International\Geo\Nation	loader.exe
Key value queried	\REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\Control Panel\International\Geo\Nation	WScript.exe
Key value queried	\REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\Control Panel\International\Geo\Nation	chainPorthostCommon.exe

Executes dropped EXE 2 IoCs

pid	Process
5012	chainPorthostCommon.exe
3104	dllhost.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\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wininit = "\"C:\\Recovery\\WindowsRE\\wininit.exe\""	chainPorthostCommon.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\sppsvc = "\"C:\\Recovery\\WindowsRE\\sppsvc.exe\""	chainPorthostCommon.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\sppsvc = "\"C:\\Recovery\\WindowsRE\\sppsvc.exe\""	chainPorthostCommon.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\dllhost = "\"C:\\Program Files\\MSBuild\\Microsoft\\dllhost.exe\""	chainPorthostCommon.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\dllhost = "\"C:\\Program Files\\MSBuild\\Microsoft\\dllhost.exe\""	chainPorthostCommon.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\explorer = "\"C:\\ServerWinRuntimeBroker\\explorer.exe\""	chainPorthostCommon.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\TextInputHost = "\"C:\\Recovery\\WindowsRE\\TextInputHost.exe\""	chainPorthostCommon.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wininit = "\"C:\\Recovery\\WindowsRE\\wininit.exe\""	chainPorthostCommon.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\chainPorthostCommon = "\"C:\\ServerWinRuntimeBroker\\chainPorthostCommon.exe\""	chainPorthostCommon.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\explorer = "\"C:\\ServerWinRuntimeBroker\\explorer.exe\""	chainPorthostCommon.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\chainPorthostCommon = "\"C:\\ServerWinRuntimeBroker\\chainPorthostCommon.exe\""	chainPorthostCommon.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\TextInputHost = "\"C:\\Recovery\\WindowsRE\\TextInputHost.exe\""	chainPorthostCommon.exe

Drops file in System32 directory 2 IoCs

description	ioc	Process
File created	\??\c:\Windows\System32\enb1sa.exe	csc.exe
File created	\??\c:\Windows\System32\CSCC566B8DD127C43DFB973FCCA148C5.TMP	csc.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs

pid	Process
1312	loader.exe
1312	loader.exe

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\Program Files\MSBuild\Microsoft\dllhost.exe	chainPorthostCommon.exe
File created	C:\Program Files\MSBuild\Microsoft\5940a34987c991	chainPorthostCommon.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	loader.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-1-5-21-3756129449-3121373848-4276368241-1000_Classes\Local Settings	loader.exe
Key created	\REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000_Classes\Local Settings	chainPorthostCommon.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
3392	schtasks.exe
4080	schtasks.exe
4352	schtasks.exe
4608	schtasks.exe
1020	schtasks.exe
2588	schtasks.exe
3984	schtasks.exe
2856	schtasks.exe
3456	schtasks.exe
1056	schtasks.exe
4960	schtasks.exe
1908	schtasks.exe
4668	schtasks.exe
3248	schtasks.exe
1548	schtasks.exe
5080	schtasks.exe
5108	schtasks.exe
4516	schtasks.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
1312	loader.exe
1312	loader.exe
5012	chainPorthostCommon.exe
5012	chainPorthostCommon.exe
5012	chainPorthostCommon.exe
5012	chainPorthostCommon.exe
5012	chainPorthostCommon.exe
5012	chainPorthostCommon.exe
5012	chainPorthostCommon.exe
5012	chainPorthostCommon.exe
5012	chainPorthostCommon.exe
5012	chainPorthostCommon.exe
5012	chainPorthostCommon.exe
5012	chainPorthostCommon.exe
5012	chainPorthostCommon.exe
5012	chainPorthostCommon.exe
5012	chainPorthostCommon.exe
5012	chainPorthostCommon.exe
5012	chainPorthostCommon.exe
5012	chainPorthostCommon.exe
5012	chainPorthostCommon.exe
5012	chainPorthostCommon.exe
5012	chainPorthostCommon.exe
5012	chainPorthostCommon.exe
5012	chainPorthostCommon.exe
5012	chainPorthostCommon.exe
5012	chainPorthostCommon.exe
5012	chainPorthostCommon.exe
5012	chainPorthostCommon.exe
5012	chainPorthostCommon.exe
5012	chainPorthostCommon.exe
5012	chainPorthostCommon.exe
5012	chainPorthostCommon.exe
5012	chainPorthostCommon.exe
5012	chainPorthostCommon.exe
5012	chainPorthostCommon.exe
5012	chainPorthostCommon.exe
5012	chainPorthostCommon.exe
5012	chainPorthostCommon.exe
5012	chainPorthostCommon.exe
5012	chainPorthostCommon.exe
5012	chainPorthostCommon.exe
5012	chainPorthostCommon.exe
5012	chainPorthostCommon.exe
5012	chainPorthostCommon.exe
5012	chainPorthostCommon.exe
5012	chainPorthostCommon.exe
5012	chainPorthostCommon.exe
5012	chainPorthostCommon.exe
5012	chainPorthostCommon.exe
5012	chainPorthostCommon.exe
5012	chainPorthostCommon.exe
5012	chainPorthostCommon.exe
5012	chainPorthostCommon.exe
5012	chainPorthostCommon.exe
5012	chainPorthostCommon.exe
5012	chainPorthostCommon.exe
5012	chainPorthostCommon.exe
5012	chainPorthostCommon.exe
5012	chainPorthostCommon.exe
5012	chainPorthostCommon.exe
5012	chainPorthostCommon.exe
5012	chainPorthostCommon.exe
5012	chainPorthostCommon.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	5012	chainPorthostCommon.exe
Token: SeDebugPrivilege	3104	dllhost.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1312	loader.exe

Suspicious use of WriteProcessMemory 20 IoCs

description	pid	Process	procid_target
PID 1312 wrote to memory of 3132	1312	loader.exe	82
PID 1312 wrote to memory of 3132	1312	loader.exe	82
PID 1312 wrote to memory of 3132	1312	loader.exe	82
PID 3132 wrote to memory of 2168	3132	WScript.exe	83
PID 3132 wrote to memory of 2168	3132	WScript.exe	83
PID 3132 wrote to memory of 2168	3132	WScript.exe	83
PID 2168 wrote to memory of 5012	2168	cmd.exe	85
PID 2168 wrote to memory of 5012	2168	cmd.exe	85
PID 5012 wrote to memory of 3388	5012	chainPorthostCommon.exe	90
PID 5012 wrote to memory of 3388	5012	chainPorthostCommon.exe	90
PID 3388 wrote to memory of 3520	3388	csc.exe	92
PID 3388 wrote to memory of 3520	3388	csc.exe	92
PID 5012 wrote to memory of 1532	5012	chainPorthostCommon.exe	108
PID 5012 wrote to memory of 1532	5012	chainPorthostCommon.exe	108
PID 1532 wrote to memory of 4604	1532	cmd.exe	110
PID 1532 wrote to memory of 4604	1532	cmd.exe	110
PID 1532 wrote to memory of 696	1532	cmd.exe	111
PID 1532 wrote to memory of 696	1532	cmd.exe	111
PID 1532 wrote to memory of 3104	1532	cmd.exe	115
PID 1532 wrote to memory of 3104	1532	cmd.exe	115

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\loader.exe
"C:\Users\Admin\AppData\Local\Temp\loader.exe"
1⤵
- Checks computer location settings
- Suspicious use of NtSetInformationThreadHideFromDebugger
- System Location Discovery: System Language Discovery
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1312
- C:\Windows\SysWOW64\WScript.exe
  "C:\Windows\System32\WScript.exe" "C:\ServerWinRuntimeBroker\OAKCwEsKnudXsAgphVRYMDBaoP2ZIjCO6J5QYyd0q81GMNjCqOkwlC1.vbe"
  2⤵
  - Checks computer location settings
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3132
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\ServerWinRuntimeBroker\wJc3A8cK4hSMmtCgCMOA49.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2168
  - - C:\ServerWinRuntimeBroker\chainPorthostCommon.exe
      "C:\ServerWinRuntimeBroker/chainPorthostCommon.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:5012
    - - 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\vzbbuiuc\vzbbuiuc.cmdline"
        5⤵
        Drops file in System32 directory
        Suspicious use of WriteProcessMemory
        
        PID:3388
      - 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\RESA930.tmp" "c:\Windows\System32\CSCC566B8DD127C43DFB973FCCA148C5.TMP"
        6⤵
        
        PID:3520
    - - C:\Windows\System32\cmd.exe
        
        "C:\Windows\System32\cmd.exe" /C "C:\Users\Admin\AppData\Local\Temp\dPWF812cZU.bat"
        5⤵
        Suspicious use of WriteProcessMemory
        
        PID:1532
      - C:\Windows\system32\chcp.com
        
        chcp 65001
        6⤵
        
        PID:4604
      - C:\Windows\system32\w32tm.exe
        
        w32tm /stripchart /computer:localhost /period:5 /dataonly /samples:2
        6⤵
        
        PID:696
      - C:\Program Files\MSBuild\Microsoft\dllhost.exe
        
        "C:\Program Files\MSBuild\Microsoft\dllhost.exe"
        6⤵
        Executes dropped EXE
        Suspicious use of AdjustPrivilegeToken
        
        PID:3104

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "TextInputHostT" /sc MINUTE /mo 9 /tr "'C:\Recovery\WindowsRE\TextInputHost.exe'" /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:1548

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "TextInputHost" /sc ONLOGON /tr "'C:\Recovery\WindowsRE\TextInputHost.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:2856

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "TextInputHostT" /sc MINUTE /mo 5 /tr "'C:\Recovery\WindowsRE\TextInputHost.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:2588

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "wininitw" /sc MINUTE /mo 5 /tr "'C:\Recovery\WindowsRE\wininit.exe'" /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:3392

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "wininit" /sc ONLOGON /tr "'C:\Recovery\WindowsRE\wininit.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:4080

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "wininitw" /sc MINUTE /mo 8 /tr "'C:\Recovery\WindowsRE\wininit.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:3456

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "sppsvcs" /sc MINUTE /mo 7 /tr "'C:\Recovery\WindowsRE\sppsvc.exe'" /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:1056

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

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "sppsvcs" /sc MINUTE /mo 9 /tr "'C:\Recovery\WindowsRE\sppsvc.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:1908

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "dllhostd" /sc MINUTE /mo 9 /tr "'C:\Program Files\MSBuild\Microsoft\dllhost.exe'" /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:4668

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "dllhost" /sc ONLOGON /tr "'C:\Program Files\MSBuild\Microsoft\dllhost.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:3248

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "dllhostd" /sc MINUTE /mo 10 /tr "'C:\Program Files\MSBuild\Microsoft\dllhost.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:5080

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "explorere" /sc MINUTE /mo 14 /tr "'C:\ServerWinRuntimeBroker\explorer.exe'" /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:4516

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "explorer" /sc ONLOGON /tr "'C:\ServerWinRuntimeBroker\explorer.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:4352

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "explorere" /sc MINUTE /mo 8 /tr "'C:\ServerWinRuntimeBroker\explorer.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:5108

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "chainPorthostCommonc" /sc MINUTE /mo 10 /tr "'C:\ServerWinRuntimeBroker\chainPorthostCommon.exe'" /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:4608

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "chainPorthostCommon" /sc ONLOGON /tr "'C:\ServerWinRuntimeBroker\chainPorthostCommon.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:3984

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "chainPorthostCommonc" /sc MINUTE /mo 6 /tr "'C:\ServerWinRuntimeBroker\chainPorthostCommon.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:1020

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

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

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

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Downloads

C:\ServerWinRuntimeBroker\OAKCwEsKnudXsAgphVRYMDBaoP2ZIjCO6J5QYyd0q81GMNjCqOkwlC1.vbe

Filesize
223B

MD5
3569aec6289503482c7877ad3f205301

SHA1
cf016699d614c9f2e9a899c646cd24aca6b75fcf

SHA256
a2bb38c2d2eafac2d73af9247252de8cfac9a4f9522b4f66ad73d9a003fc7754

SHA512
d8df28cd229e31eb97a705d02aac38f836b5b05741bdb7c97f4a8d9d3eec183a3883e39b30c2141e9c8b650c98edfb51a8cb7fce1c87d67b15bd9dc52a1b1ef5

Download Submit
C:\ServerWinRuntimeBroker\chainPorthostCommon.exe

Filesize
1.9MB

MD5
cf5b49706562ba2047cda4a451dd573a

SHA1
d7d66016b5ea4215581f208c7972b2ff49cbeed1

SHA256
74547e5b862bd3691947b78eabbdab88c468e26144bd03911be68941376dc89b

SHA512
0dc54fc8afe4a1b8ce0d72e215cf617dbc657f4e02cabe7be694b0d20be385f63848e49717bd4856547dbb52f8a762e54c63323b53188cc1d8127c54b6a10f1e

Download Submit
C:\ServerWinRuntimeBroker\wJc3A8cK4hSMmtCgCMOA49.bat

Filesize
96B

MD5
ca78c31c7fad40ca729ce40659dd91fa

SHA1
b649a3669cffe53122ad50f62f769faa45b96a92

SHA256
88b4be83a053855858771fda50d7f6fe0cd5f5fd0cd33b3299c28aab5eb40e2b

SHA512
b606a335ac5f28030e60a00f99e519240bc3d47d7d88e84eb8de1f34ef19ae6df56f01f5f6d83fa215f445732596f0865d630675706626545b15e0c64b0a21ec

Download Submit
C:\Users\Admin\AppData\Local\Temp\RESA930.tmp

Filesize
1KB

MD5
7d4c54d3fddf72bf3b4d830eb3f1d53d

SHA1
2c9e0f269d74c96780044ac967513dd56151560a

SHA256
f3042fe58f16868594464ec035ebd0273a42a3beaf5edc45c95764431b71870a

SHA512
0db248e2a44b52359010cf09ed4b8b21d5cb1b977836875bd6c08df6bbae51462f7546637a31a406e3809be03af6a039c46a0ee80a80366fa3e4fd6a122b4137

Download Submit
C:\Users\Admin\AppData\Local\Temp\dPWF812cZU.bat

Filesize
222B

MD5
1def94b013f1ee6864951f01158974d4

SHA1
0f10d41d5af395a63c6e0edfd55e42d5a29f9c4e

SHA256
4464d9b8f3dce3f6abac61aeba990a364894ba69527978a46b23eaa1098c95bf

SHA512
a295f76f690316b8e8b327c12a3964115f4324ad4f156d8e7c872bb081f0e61f5d739162a3d0286a814e3688795d291b2d5107af43be3c71db09e615f18b428a

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

Filesize
371B

MD5
c185a2db5cd9a548d1391b77c0f2fb0f

SHA1
f81f8ea35372f3d6a59036cc9109c8fcea22007a

SHA256
b6643204602ad59d30e2a644c335134605862c27beac0dcc83ddc50f31822375

SHA512
fc0d4ad618042f9e6c4a4731e426451f34d961e2aafb106c6da9b1fdc188538d3521b000df3cca8b384036e8d84ee693705ee3348f56be2dec6c32401b21f160

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

Filesize
235B

MD5
741954db97f5fabfd2bb190474683607

SHA1
12371a0f1c992c5731affcaecad6b6a284da9450

SHA256
bc41984d46d699e10b0027687d14531bc7677a5e9c4e8a761333dd3a7acf2b1e

SHA512
55996dd3db715dd98e3813eab6ae9708a75edf9cd3850168f4b35127bfa6dc5f6ade6bbd968f41e9d742ce0669730e5dcb7e9db0369d3dbfeb89eef7bab279cd

Download Submit
\??\c:\Windows\System32\CSCC566B8DD127C43DFB973FCCA148C5.TMP

Filesize
1KB

MD5
5984679060d0fc54eba47cead995f65a

SHA1
f72bbbba060ac80ac6abedc7b8679e8963f63ebf

SHA256
4104fdf5499f0aa7dd161568257acae002620ec385f2ede2072d4f550ecff433

SHA512
bc8aadfabe5dbb4e3ea5e07a5ccbddd363400005675acda3e9cb414dc75fb0ba74f41b4a6baf34d42f85a9ae0af7d2418420c78b0c643f7243fe93a49b8140b5

Download Submit
memory/1312-10-0x0000000000EA0000-0x0000000001295000-memory.dmp

Filesize
4.0MB

Download
memory/1312-0-0x0000000000EA0000-0x0000000001295000-memory.dmp

Filesize
4.0MB

Download
memory/5012-20-0x000000001B610000-0x000000001B62C000-memory.dmp

Filesize
112KB

Download
memory/5012-25-0x0000000002960000-0x000000000296E000-memory.dmp

Filesize
56KB

Download
memory/5012-27-0x000000001B180000-0x000000001B18C000-memory.dmp

Filesize
48KB

Download
memory/5012-23-0x000000001B630000-0x000000001B648000-memory.dmp

Filesize
96KB

Download
memory/5012-21-0x000000001B680000-0x000000001B6D0000-memory.dmp

Filesize
320KB

Download
memory/5012-18-0x0000000002950000-0x000000000295E000-memory.dmp

Filesize
56KB

Download
memory/5012-16-0x00000000004B0000-0x0000000000696000-memory.dmp

Filesize
1.9MB

Download
memory/5012-15-0x00007FFA49183000-0x00007FFA49185000-memory.dmp

Filesize
8KB

Download