dcrat | 2e1625d3a0354db4f9eca5eb63181d75b7dd08699481604a17ab86dfd76f8ebd

Analysis

max time kernel
30s
max time network
34s
platform
windows10-ltsc 2021_x64
resource
win10ltsc2021-20241023-en
resource tags

arch:x64arch:x86image:win10ltsc2021-20241023-enlocale:en-usos:windows10-ltsc 2021-x64system
submitted
30-10-2024 19:29

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General

Target

FIX.exe
Size

4.7MB
MD5

840b55c4deeadd584747feeacb71111b
SHA1

d0ab89817e7e4c9eef250d632ca035b02d06b082
SHA256

2e1625d3a0354db4f9eca5eb63181d75b7dd08699481604a17ab86dfd76f8ebd
SHA512

920ed71c2cafc21a91905a9eec9f5fa06d09a30c8d56ce0aa4b8a59d0d044670b73ecc3801c72cd64e6c788b6d299e0fdbed9b9f7b4ea06b114b82b4556cdeb7
SSDEEP

49152:IBJNcIJz/f3SvXSRl5mHRbKdGm4C2oeacqu:yXcIJzQ2ylwtbeaK

Score

10^/10

dcrat discovery 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:\\Program Files (x86)\\Windows Sidebar\\spoolsv.exe\", \"C:\\Recovery\\WindowsRE\\unsecapp.exe\", \"C:\\Program Files (x86)\\Windows Mail\\fontdrvhost.exe\", \"C:\\Users\\Default User\\dwm.exe\", \"C:\\Users\\Public\\Downloads\\unsecapp.exe\", \"C:\\fontIntobrokerperf\\containerBrowserFontsvc.exe\""	containerBrowserFontsvc.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe, \"C:\\Program Files (x86)\\Windows Sidebar\\spoolsv.exe\""	containerBrowserFontsvc.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe, \"C:\\Program Files (x86)\\Windows Sidebar\\spoolsv.exe\", \"C:\\Recovery\\WindowsRE\\unsecapp.exe\""	containerBrowserFontsvc.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe, \"C:\\Program Files (x86)\\Windows Sidebar\\spoolsv.exe\", \"C:\\Recovery\\WindowsRE\\unsecapp.exe\", \"C:\\Program Files (x86)\\Windows Mail\\fontdrvhost.exe\""	containerBrowserFontsvc.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe, \"C:\\Program Files (x86)\\Windows Sidebar\\spoolsv.exe\", \"C:\\Recovery\\WindowsRE\\unsecapp.exe\", \"C:\\Program Files (x86)\\Windows Mail\\fontdrvhost.exe\", \"C:\\Users\\Default User\\dwm.exe\""	containerBrowserFontsvc.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe, \"C:\\Program Files (x86)\\Windows Sidebar\\spoolsv.exe\", \"C:\\Recovery\\WindowsRE\\unsecapp.exe\", \"C:\\Program Files (x86)\\Windows Mail\\fontdrvhost.exe\", \"C:\\Users\\Default User\\dwm.exe\", \"C:\\Users\\Public\\Downloads\\unsecapp.exe\""	containerBrowserFontsvc.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	4492	3076	schtasks.exe	87
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	3852	3076	schtasks.exe	87
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	1548	3076	schtasks.exe	87
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	2608	3076	schtasks.exe	87
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	4164	3076	schtasks.exe	87
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	1628	3076	schtasks.exe	87
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	3672	3076	schtasks.exe	87
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	2656	3076	schtasks.exe	87
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	4784	3076	schtasks.exe	87
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	4392	3076	schtasks.exe	87
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	1952	3076	schtasks.exe	87
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	2164	3076	schtasks.exe	87
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	924	3076	schtasks.exe	87
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	4352	3076	schtasks.exe	87
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	4280	3076	schtasks.exe	87
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	5108	3076	schtasks.exe	87
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	5052	3076	schtasks.exe	87
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	3876	3076	schtasks.exe	87

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-1-5-21-584106483-899802418-1877852863-1000\Control Panel\International\Geo\Nation	FIX.exe
Key value queried	\REGISTRY\USER\S-1-5-21-584106483-899802418-1877852863-1000\Control Panel\International\Geo\Nation	WScript.exe
Key value queried	\REGISTRY\USER\S-1-5-21-584106483-899802418-1877852863-1000\Control Panel\International\Geo\Nation	containerBrowserFontsvc.exe

Executes dropped EXE 2 IoCs

pid	Process
772	containerBrowserFontsvc.exe
4160	unsecapp.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-1-5-21-584106483-899802418-1877852863-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\fontdrvhost = "\"C:\\Program Files (x86)\\Windows Mail\\fontdrvhost.exe\""	containerBrowserFontsvc.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-584106483-899802418-1877852863-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\dwm = "\"C:\\Users\\Default User\\dwm.exe\""	containerBrowserFontsvc.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\dwm = "\"C:\\Users\\Default User\\dwm.exe\""	containerBrowserFontsvc.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-584106483-899802418-1877852863-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\unsecapp = "\"C:\\Users\\Public\\Downloads\\unsecapp.exe\""	containerBrowserFontsvc.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\unsecapp = "\"C:\\Users\\Public\\Downloads\\unsecapp.exe\""	containerBrowserFontsvc.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-584106483-899802418-1877852863-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\containerBrowserFontsvc = "\"C:\\fontIntobrokerperf\\containerBrowserFontsvc.exe\""	containerBrowserFontsvc.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-584106483-899802418-1877852863-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\spoolsv = "\"C:\\Program Files (x86)\\Windows Sidebar\\spoolsv.exe\""	containerBrowserFontsvc.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\spoolsv = "\"C:\\Program Files (x86)\\Windows Sidebar\\spoolsv.exe\""	containerBrowserFontsvc.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-584106483-899802418-1877852863-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\unsecapp = "\"C:\\Recovery\\WindowsRE\\unsecapp.exe\""	containerBrowserFontsvc.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\unsecapp = "\"C:\\Recovery\\WindowsRE\\unsecapp.exe\""	containerBrowserFontsvc.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\fontdrvhost = "\"C:\\Program Files (x86)\\Windows Mail\\fontdrvhost.exe\""	containerBrowserFontsvc.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\containerBrowserFontsvc = "\"C:\\fontIntobrokerperf\\containerBrowserFontsvc.exe\""	containerBrowserFontsvc.exe

Drops file in System32 directory 2 IoCs

description	ioc	Process
File created	\??\c:\Windows\System32\CSCF16AB9687B2849DE89217846777AF738.TMP	csc.exe
File created	\??\c:\Windows\System32\bvvos7.exe	csc.exe

Drops file in Program Files directory 4 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\Windows Mail\fontdrvhost.exe	containerBrowserFontsvc.exe
File created	C:\Program Files (x86)\Windows Mail\5b884080fd4f94	containerBrowserFontsvc.exe
File created	C:\Program Files (x86)\Windows Sidebar\spoolsv.exe	containerBrowserFontsvc.exe
File created	C:\Program Files (x86)\Windows Sidebar\f3b6ecef712a24	containerBrowserFontsvc.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	FIX.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	WScript.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Checks SCSI registry key(s) 3 TTPs 3 IoCs

SCSI information is often read in order to detect sandboxing environments.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_WDC&Prod_WDS100T2B0A\4&215468a5&0&000000	taskmgr.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_WDC&Prod_WDS100T2B0A\4&215468a5&0&000000\Properties\{b725f130-47ef-101a-a5f1-02608c9eebac}\000A	taskmgr.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_WDC&Prod_WDS100T2B0A\4&215468a5&0&000000\FriendlyName	taskmgr.exe

Modifies registry class 2 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-584106483-899802418-1877852863-1000_Classes\Local Settings	FIX.exe
Key created	\REGISTRY\USER\S-1-5-21-584106483-899802418-1877852863-1000_Classes\Local Settings	containerBrowserFontsvc.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
1548	schtasks.exe
1952	schtasks.exe
4280	schtasks.exe
4492	schtasks.exe
3852	schtasks.exe
4164	schtasks.exe
3672	schtasks.exe
2656	schtasks.exe
3876	schtasks.exe
4784	schtasks.exe
4392	schtasks.exe
2164	schtasks.exe
4352	schtasks.exe
5052	schtasks.exe
2608	schtasks.exe
1628	schtasks.exe
924	schtasks.exe
5108	schtasks.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
4556	taskmgr.exe
4556	taskmgr.exe
4556	taskmgr.exe
4556	taskmgr.exe
4556	taskmgr.exe
4556	taskmgr.exe
4556	taskmgr.exe
4556	taskmgr.exe
4556	taskmgr.exe
4556	taskmgr.exe
4556	taskmgr.exe
4556	taskmgr.exe
4556	taskmgr.exe
4556	taskmgr.exe
4556	taskmgr.exe
4556	taskmgr.exe
772	containerBrowserFontsvc.exe
772	containerBrowserFontsvc.exe
772	containerBrowserFontsvc.exe
772	containerBrowserFontsvc.exe
772	containerBrowserFontsvc.exe
772	containerBrowserFontsvc.exe
772	containerBrowserFontsvc.exe
772	containerBrowserFontsvc.exe
772	containerBrowserFontsvc.exe
772	containerBrowserFontsvc.exe
772	containerBrowserFontsvc.exe
772	containerBrowserFontsvc.exe
4556	taskmgr.exe
772	containerBrowserFontsvc.exe
772	containerBrowserFontsvc.exe
772	containerBrowserFontsvc.exe
772	containerBrowserFontsvc.exe
772	containerBrowserFontsvc.exe
772	containerBrowserFontsvc.exe
772	containerBrowserFontsvc.exe
772	containerBrowserFontsvc.exe
772	containerBrowserFontsvc.exe
772	containerBrowserFontsvc.exe
772	containerBrowserFontsvc.exe
772	containerBrowserFontsvc.exe
772	containerBrowserFontsvc.exe
772	containerBrowserFontsvc.exe
772	containerBrowserFontsvc.exe
772	containerBrowserFontsvc.exe
772	containerBrowserFontsvc.exe
772	containerBrowserFontsvc.exe
772	containerBrowserFontsvc.exe
772	containerBrowserFontsvc.exe
772	containerBrowserFontsvc.exe
772	containerBrowserFontsvc.exe
772	containerBrowserFontsvc.exe
772	containerBrowserFontsvc.exe
772	containerBrowserFontsvc.exe
772	containerBrowserFontsvc.exe
772	containerBrowserFontsvc.exe
772	containerBrowserFontsvc.exe
772	containerBrowserFontsvc.exe
772	containerBrowserFontsvc.exe
772	containerBrowserFontsvc.exe
772	containerBrowserFontsvc.exe
772	containerBrowserFontsvc.exe
772	containerBrowserFontsvc.exe
772	containerBrowserFontsvc.exe

Suspicious use of AdjustPrivilegeToken 5 IoCs

description	pid	Process
Token: SeDebugPrivilege	4556	taskmgr.exe
Token: SeSystemProfilePrivilege	4556	taskmgr.exe
Token: SeCreateGlobalPrivilege	4556	taskmgr.exe
Token: SeDebugPrivilege	772	containerBrowserFontsvc.exe
Token: SeDebugPrivilege	4160	unsecapp.exe

Suspicious use of FindShellTrayWindow 35 IoCs

pid	Process
4556	taskmgr.exe
4556	taskmgr.exe
4556	taskmgr.exe
4556	taskmgr.exe
4556	taskmgr.exe
4556	taskmgr.exe
4556	taskmgr.exe
4556	taskmgr.exe
4556	taskmgr.exe
4556	taskmgr.exe
4556	taskmgr.exe
4556	taskmgr.exe
4556	taskmgr.exe
4556	taskmgr.exe
4556	taskmgr.exe
4556	taskmgr.exe
4556	taskmgr.exe
4556	taskmgr.exe
4556	taskmgr.exe
4556	taskmgr.exe
4556	taskmgr.exe
4556	taskmgr.exe
4556	taskmgr.exe
4556	taskmgr.exe
4556	taskmgr.exe
4556	taskmgr.exe
4556	taskmgr.exe
4556	taskmgr.exe
4556	taskmgr.exe
4556	taskmgr.exe
4556	taskmgr.exe
4556	taskmgr.exe
4556	taskmgr.exe
4556	taskmgr.exe
4556	taskmgr.exe

Suspicious use of SendNotifyMessage 35 IoCs

pid	Process
4556	taskmgr.exe
4556	taskmgr.exe
4556	taskmgr.exe
4556	taskmgr.exe
4556	taskmgr.exe
4556	taskmgr.exe
4556	taskmgr.exe
4556	taskmgr.exe
4556	taskmgr.exe
4556	taskmgr.exe
4556	taskmgr.exe
4556	taskmgr.exe
4556	taskmgr.exe
4556	taskmgr.exe
4556	taskmgr.exe
4556	taskmgr.exe
4556	taskmgr.exe
4556	taskmgr.exe
4556	taskmgr.exe
4556	taskmgr.exe
4556	taskmgr.exe
4556	taskmgr.exe
4556	taskmgr.exe
4556	taskmgr.exe
4556	taskmgr.exe
4556	taskmgr.exe
4556	taskmgr.exe
4556	taskmgr.exe
4556	taskmgr.exe
4556	taskmgr.exe
4556	taskmgr.exe
4556	taskmgr.exe
4556	taskmgr.exe
4556	taskmgr.exe
4556	taskmgr.exe

Suspicious use of WriteProcessMemory 20 IoCs

description	pid	Process	procid_target
PID 3668 wrote to memory of 3196	3668	FIX.exe	81
PID 3668 wrote to memory of 3196	3668	FIX.exe	81
PID 3668 wrote to memory of 3196	3668	FIX.exe	81
PID 3196 wrote to memory of 1652	3196	WScript.exe	84
PID 3196 wrote to memory of 1652	3196	WScript.exe	84
PID 3196 wrote to memory of 1652	3196	WScript.exe	84
PID 1652 wrote to memory of 772	1652	cmd.exe	86
PID 1652 wrote to memory of 772	1652	cmd.exe	86
PID 772 wrote to memory of 2484	772	containerBrowserFontsvc.exe	91
PID 772 wrote to memory of 2484	772	containerBrowserFontsvc.exe	91
PID 2484 wrote to memory of 4284	2484	csc.exe	93
PID 2484 wrote to memory of 4284	2484	csc.exe	93
PID 772 wrote to memory of 1140	772	containerBrowserFontsvc.exe	109
PID 772 wrote to memory of 1140	772	containerBrowserFontsvc.exe	109
PID 1140 wrote to memory of 2528	1140	cmd.exe	111
PID 1140 wrote to memory of 2528	1140	cmd.exe	111
PID 1140 wrote to memory of 3412	1140	cmd.exe	112
PID 1140 wrote to memory of 3412	1140	cmd.exe	112
PID 1140 wrote to memory of 4160	1140	cmd.exe	113
PID 1140 wrote to memory of 4160	1140	cmd.exe	113

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\FIX.exe
"C:\Users\Admin\AppData\Local\Temp\FIX.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:3668
- C:\Windows\SysWOW64\WScript.exe
  "C:\Windows\System32\WScript.exe" "C:\fontIntobrokerperf\7iJru9HYh5L5RXPHYCUB7WFJq.vbe"
  2⤵
  - Checks computer location settings
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3196
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\fontIntobrokerperf\7YaNN9pSqbeFjRlTWXnKPtLSePTg0n4yWaA0efNHJ5J9sdUSpqa6C9L.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:1652
  - - C:\fontIntobrokerperf\containerBrowserFontsvc.exe
      "C:\fontIntobrokerperf/containerBrowserFontsvc.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:772
    - - 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\2s1qmkg5\2s1qmkg5.cmdline"
        5⤵
        Drops file in System32 directory
        Suspicious use of WriteProcessMemory
        
        PID:2484
      - 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\RESD65B.tmp" "c:\Windows\System32\CSCF16AB9687B2849DE89217846777AF738.TMP"
        6⤵
        
        PID:4284
    - - C:\Windows\System32\cmd.exe
        
        "C:\Windows\System32\cmd.exe" /C "C:\Users\Admin\AppData\Local\Temp\Ll82beSMlW.bat"
        5⤵
        Suspicious use of WriteProcessMemory
        
        PID:1140
      - C:\Windows\system32\chcp.com
        
        chcp 65001
        6⤵
        
        PID:2528
      - C:\Windows\system32\w32tm.exe
        
        w32tm /stripchart /computer:localhost /period:5 /dataonly /samples:2
        6⤵
        
        PID:3412
      - C:\Users\Public\Downloads\unsecapp.exe
        
        "C:\Users\Public\Downloads\unsecapp.exe"
        6⤵
        Executes dropped EXE
        Suspicious use of AdjustPrivilegeToken
        
        PID:4160

C:\Windows\system32\taskmgr.exe
"C:\Windows\system32\taskmgr.exe" /4
1⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:4556

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "spoolsvs" /sc MINUTE /mo 8 /tr "'C:\Program Files (x86)\Windows Sidebar\spoolsv.exe'" /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:4492

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "spoolsv" /sc ONLOGON /tr "'C:\Program Files (x86)\Windows Sidebar\spoolsv.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:3852

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "spoolsvs" /sc MINUTE /mo 8 /tr "'C:\Program Files (x86)\Windows Sidebar\spoolsv.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:1548

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "unsecappu" /sc MINUTE /mo 5 /tr "'C:\Recovery\WindowsRE\unsecapp.exe'" /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:2608

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "unsecapp" /sc ONLOGON /tr "'C:\Recovery\WindowsRE\unsecapp.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:4164

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "unsecappu" /sc MINUTE /mo 7 /tr "'C:\Recovery\WindowsRE\unsecapp.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:1628

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "fontdrvhostf" /sc MINUTE /mo 13 /tr "'C:\Program Files (x86)\Windows Mail\fontdrvhost.exe'" /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:3672

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "fontdrvhost" /sc ONLOGON /tr "'C:\Program Files (x86)\Windows Mail\fontdrvhost.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:2656

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "fontdrvhostf" /sc MINUTE /mo 12 /tr "'C:\Program Files (x86)\Windows Mail\fontdrvhost.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:4784

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "dwmd" /sc MINUTE /mo 10 /tr "'C:\Users\Default User\dwm.exe'" /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:4392

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "dwm" /sc ONLOGON /tr "'C:\Users\Default User\dwm.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:1952

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "dwmd" /sc MINUTE /mo 11 /tr "'C:\Users\Default User\dwm.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:2164

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "unsecappu" /sc MINUTE /mo 13 /tr "'C:\Users\Public\Downloads\unsecapp.exe'" /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:924

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "unsecapp" /sc ONLOGON /tr "'C:\Users\Public\Downloads\unsecapp.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 "unsecappu" /sc MINUTE /mo 8 /tr "'C:\Users\Public\Downloads\unsecapp.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:4280

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "containerBrowserFontsvcc" /sc MINUTE /mo 6 /tr "'C:\fontIntobrokerperf\containerBrowserFontsvc.exe'" /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:5108

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "containerBrowserFontsvc" /sc ONLOGON /tr "'C:\fontIntobrokerperf\containerBrowserFontsvc.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:5052

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "containerBrowserFontsvcc" /sc MINUTE /mo 14 /tr "'C:\fontIntobrokerperf\containerBrowserFontsvc.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:3876

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

Discovery

Peripheral Device Discovery

T1120

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\Ll82beSMlW.bat

Filesize
214B

MD5
c1c77427b33f2f630270a2bd799c568c

SHA1
5b706355abcb84f77902c61d12f1066e38f15837

SHA256
18d045d29f278871263e1113b8a59c2d0f9833142a22475247e4a33bdade7c9f

SHA512
c49e1fa620ad399abc13e1357491628f9650aa7739d2f6b4c7cb029a11eec795bb94c044584cfbf8c4e2ad35ec66b459bc245bd799c06483b72197816d0586ad

Download Submit
C:\Users\Admin\AppData\Local\Temp\RESD65B.tmp

Filesize
1KB

MD5
d50116d32737348b0ab2c2b0bf3cb132

SHA1
fc55128883d0a6ab8debd2c3ad4a9cbdc3df1a9e

SHA256
18ee570d46514028cc6caa13af82069a2324b54903d458a735debc94734b1cd1

SHA512
d969768ee7e893ef0fa08159d239e1efd33623510650214dae198c727cc1218d864196d46ff51d6bad129e4ab91465bcffa25cbc246500701145b7a73e4d881b

Download Submit
C:\fontIntobrokerperf\7YaNN9pSqbeFjRlTWXnKPtLSePTg0n4yWaA0efNHJ5J9sdUSpqa6C9L.bat

Filesize
92B

MD5
32ecbbe3396da57d74b40fb00c2c180e

SHA1
cdd6988604d727de78f063f24949728efc7947f9

SHA256
90326649c658566549aa5d66ae6c8641d1ec541e462f03b5809352222d5f25a2

SHA512
fb5a28932e6554716fad61e54287168980b1f990956dface6f37832f5f3a1f31d736f44ad21ffdf664738464668ba5d0f4b188d88d1ea801c01c538008cd0ed5

Download Submit
C:\fontIntobrokerperf\7iJru9HYh5L5RXPHYCUB7WFJq.vbe

Filesize
252B

MD5
e725316f6fcc49a17a08a86303676e40

SHA1
0ed637be09c53458dbf9c7f0bc32dd8c6541e2b0

SHA256
f11ab53f1007d8aaa397401d0fb9cf408bf893aa4559fa37c7618fa319877cd4

SHA512
96eda143c022b23e5ff4d017943bf36f1266f8b3ad01c8ddd7f999da8be3a28d90650bce218732e9878be2f3243a683d5b42507fde13b9f871369bafd5e5dcc8

Download Submit
C:\fontIntobrokerperf\containerBrowserFontsvc.exe

Filesize
4.4MB

MD5
e718e41a9c56bb781cbbfb2b4e07af25

SHA1
be9d69e99650567b665784fa8acf8ef253462047

SHA256
aaf4de1a842be1f6b361b58a46793a31d607fac7b0ba327248decf8d35f0f7b2

SHA512
e6eb5d6d3becc540abe01c2a39b4cdc86537d8ca8143f5349585ff108d832ae55f2e08f78b176d118ee9525be0892b07c65817dac6da37cd0147c2833d12bcee

Download Submit
C:\windows\system32\bvvos7.exe

Filesize
4KB

MD5
ccbb61969684287a9b22d81d84950e84

SHA1
dc2c4016acf9dd61d540c960ad09153cf3eed1c1

SHA256
e1c83326cfa39683612de84a6e5e5b6e52aaebc080a7ef277d88900a1eb4332b

SHA512
3cf1c46027d478cdc57656469ec86fe0d9133a1ee8bc72c98b1593ef0d292346871c10331837c832fee239fc918b5452e83f2f120e6e83de2a4a00eed43e1924

Download Submit
\??\c:\Users\Admin\AppData\Local\Temp\2s1qmkg5\2s1qmkg5.0.cs

Filesize
382B

MD5
77b4a10e4603cdd1aa4b63b76423730a

SHA1
dd31ea5f6cf22e965c161e9ba8756fd8af20cd2c

SHA256
76f8ab471a9415837f7fb9f1fe3f1db67891d5cd78fddcacf89b9f0d41b73a91

SHA512
9c0cd28d01952892c69b6abe18d12f0205513936702b6a0a0697c7b802f54c7c91a5cf3c974adf274659f3425cfd4aef46766c287847df00afacbba65c8cb40a

Download Submit
\??\c:\Users\Admin\AppData\Local\Temp\2s1qmkg5\2s1qmkg5.cmdline

Filesize
235B

MD5
8c16b2ca9665954eef11129f8232d0b5

SHA1
ded0e412343c5d1bb78d1a052ab229f280681aa9

SHA256
6076437a8ea1574eed7a8e1fc6dcd02d56b03f19374707c8144c7c6cfbc78f6d

SHA512
c5eb35a785e554cff5ae4608a8eabdec50661f29bd0a82f1e09d86b2b094f6c91c7541be7691ababc93ab17e5386b489d0823bd3477bfff9709ae7836c7f989a

Download Submit
\??\c:\Windows\System32\CSCF16AB9687B2849DE89217846777AF738.TMP

Filesize
1KB

MD5
39771ddaaba57655428176421edca076

SHA1
303dbb365df31cda999f1c490ac93a1a13362e3f

SHA256
f075ee7c5adceb229442eb8b2ad00df495cf69a892ff54790603efd9d038bb4c

SHA512
15ce267d8f6d7799d5ad6f70dbcad3c1676648d7afc7b675852c163ee26b8c9d46e03d217b70630d7e3e496ab31a34a7bde587ecd6aff9541deb5c013a1096de

Download Submit
memory/772-37-0x0000000003390000-0x000000000339C000-memory.dmp

Filesize
48KB

Download
memory/772-33-0x000000001BE50000-0x000000001BEA0000-memory.dmp

Filesize
320KB

Download
memory/772-35-0x000000001BE00000-0x000000001BE18000-memory.dmp

Filesize
96KB

Download
memory/772-32-0x0000000003400000-0x000000000341C000-memory.dmp

Filesize
112KB

Download
memory/772-28-0x0000000000FF0000-0x00000000011CA000-memory.dmp

Filesize
1.9MB

Download
memory/772-30-0x0000000001990000-0x000000000199E000-memory.dmp

Filesize
56KB

Download
memory/4556-19-0x000002CB0D960000-0x000002CB0D961000-memory.dmp

Filesize
4KB

Download
memory/4556-17-0x000002CB0D960000-0x000002CB0D961000-memory.dmp

Filesize
4KB

Download
memory/4556-18-0x000002CB0D960000-0x000002CB0D961000-memory.dmp

Filesize
4KB

Download
memory/4556-20-0x000002CB0D960000-0x000002CB0D961000-memory.dmp

Filesize
4KB

Download
memory/4556-21-0x000002CB0D960000-0x000002CB0D961000-memory.dmp

Filesize
4KB

Download
memory/4556-22-0x000002CB0D960000-0x000002CB0D961000-memory.dmp

Filesize
4KB

Download
memory/4556-23-0x000002CB0D960000-0x000002CB0D961000-memory.dmp

Filesize
4KB

Download
memory/4556-11-0x000002CB0D960000-0x000002CB0D961000-memory.dmp

Filesize
4KB

Download
memory/4556-13-0x000002CB0D960000-0x000002CB0D961000-memory.dmp

Filesize
4KB

Download
memory/4556-12-0x000002CB0D960000-0x000002CB0D961000-memory.dmp

Filesize
4KB

Download