dcrat | f28d2482802e94cd02376a7153b318ef4facc86cfc804ae117419c520520f8ec

Analysis

max time kernel
142s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
10-12-2024 03:47

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General

Target

f28d2482802e94cd02376a7153b318ef4facc86cfc804ae117419c520520f8ec.exe
Size

1.8MB
MD5

68ef473852d3aefd8e5e4f2e00b3dfaa
SHA1

3ba2594ec459d1c9152558ebdd9611427347a73e
SHA256

f28d2482802e94cd02376a7153b318ef4facc86cfc804ae117419c520520f8ec
SHA512

8602717380a4ad4ca7cbcdbb2373e63ff8578d58e6324d43530b134c6d7005469ff89c45bad773da978d4263a56c51efd331b09790f5708a563f26a513cad3ff
SSDEEP

49152:x4LJMXaJ0ypWp8GkSVPa7aQ8b0U51h3r:x4LJWeK3kE9QY53r

Score

10^/10

dcrat 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:\\Windows\\ShellComponents\\dllhost.exe\""	f28d2482802e94cd02376a7153b318ef4facc86cfc804ae117419c520520f8ec.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe, \"C:\\Windows\\ShellComponents\\dllhost.exe\", \"C:\\Recovery\\WindowsRE\\lsass.exe\""	f28d2482802e94cd02376a7153b318ef4facc86cfc804ae117419c520520f8ec.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe, \"C:\\Windows\\ShellComponents\\dllhost.exe\", \"C:\\Recovery\\WindowsRE\\lsass.exe\", \"C:\\Program Files\\MSBuild\\Microsoft\\System.exe\""	f28d2482802e94cd02376a7153b318ef4facc86cfc804ae117419c520520f8ec.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe, \"C:\\Windows\\ShellComponents\\dllhost.exe\", \"C:\\Recovery\\WindowsRE\\lsass.exe\", \"C:\\Program Files\\MSBuild\\Microsoft\\System.exe\", \"C:\\Program Files\\Google\\Chrome\\Application\\RuntimeBroker.exe\""	f28d2482802e94cd02376a7153b318ef4facc86cfc804ae117419c520520f8ec.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe, \"C:\\Windows\\ShellComponents\\dllhost.exe\", \"C:\\Recovery\\WindowsRE\\lsass.exe\", \"C:\\Program Files\\MSBuild\\Microsoft\\System.exe\", \"C:\\Program Files\\Google\\Chrome\\Application\\RuntimeBroker.exe\", \"C:\\Recovery\\WindowsRE\\unsecapp.exe\""	f28d2482802e94cd02376a7153b318ef4facc86cfc804ae117419c520520f8ec.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe, \"C:\\Windows\\ShellComponents\\dllhost.exe\", \"C:\\Recovery\\WindowsRE\\lsass.exe\", \"C:\\Program Files\\MSBuild\\Microsoft\\System.exe\", \"C:\\Program Files\\Google\\Chrome\\Application\\RuntimeBroker.exe\", \"C:\\Recovery\\WindowsRE\\unsecapp.exe\", \"C:\\Users\\Admin\\AppData\\Local\\Temp\\f28d2482802e94cd02376a7153b318ef4facc86cfc804ae117419c520520f8ec.exe\""	f28d2482802e94cd02376a7153b318ef4facc86cfc804ae117419c520520f8ec.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	2960	2888	schtasks.exe	82
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	4760	2888	schtasks.exe	82
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	2160	2888	schtasks.exe	82
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	3024	2888	schtasks.exe	82
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	4464	2888	schtasks.exe	82
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	404	2888	schtasks.exe	82
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	5088	2888	schtasks.exe	82
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	560	2888	schtasks.exe	82
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	5064	2888	schtasks.exe	82
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	4948	2888	schtasks.exe	82
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	240	2888	schtasks.exe	82
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	2656	2888	schtasks.exe	82
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	3572	2888	schtasks.exe	82
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	2612	2888	schtasks.exe	82
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	2404	2888	schtasks.exe	82
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	4784	2888	schtasks.exe	82
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	3204	2888	schtasks.exe	82
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	352	2888	schtasks.exe	82

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
820	powershell.exe
1580	powershell.exe
3020	powershell.exe
3076	powershell.exe
4584	powershell.exe
1080	powershell.exe

Checks computer location settings 2 TTPs 1 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-1-5-21-4050598569-1597076380-177084960-1000\Control Panel\International\Geo\Nation	f28d2482802e94cd02376a7153b318ef4facc86cfc804ae117419c520520f8ec.exe

Executes dropped EXE 1 IoCs

pid	Process
1132	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\RuntimeBroker = "\"C:\\Program Files\\Google\\Chrome\\Application\\RuntimeBroker.exe\""	f28d2482802e94cd02376a7153b318ef4facc86cfc804ae117419c520520f8ec.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\f28d2482802e94cd02376a7153b318ef4facc86cfc804ae117419c520520f8ec = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\f28d2482802e94cd02376a7153b318ef4facc86cfc804ae117419c520520f8ec.exe\""	f28d2482802e94cd02376a7153b318ef4facc86cfc804ae117419c520520f8ec.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\f28d2482802e94cd02376a7153b318ef4facc86cfc804ae117419c520520f8ec = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\f28d2482802e94cd02376a7153b318ef4facc86cfc804ae117419c520520f8ec.exe\""	f28d2482802e94cd02376a7153b318ef4facc86cfc804ae117419c520520f8ec.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\dllhost = "\"C:\\Windows\\ShellComponents\\dllhost.exe\""	f28d2482802e94cd02376a7153b318ef4facc86cfc804ae117419c520520f8ec.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\System = "\"C:\\Program Files\\MSBuild\\Microsoft\\System.exe\""	f28d2482802e94cd02376a7153b318ef4facc86cfc804ae117419c520520f8ec.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\RuntimeBroker = "\"C:\\Program Files\\Google\\Chrome\\Application\\RuntimeBroker.exe\""	f28d2482802e94cd02376a7153b318ef4facc86cfc804ae117419c520520f8ec.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\System = "\"C:\\Program Files\\MSBuild\\Microsoft\\System.exe\""	f28d2482802e94cd02376a7153b318ef4facc86cfc804ae117419c520520f8ec.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\unsecapp = "\"C:\\Recovery\\WindowsRE\\unsecapp.exe\""	f28d2482802e94cd02376a7153b318ef4facc86cfc804ae117419c520520f8ec.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\unsecapp = "\"C:\\Recovery\\WindowsRE\\unsecapp.exe\""	f28d2482802e94cd02376a7153b318ef4facc86cfc804ae117419c520520f8ec.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\dllhost = "\"C:\\Windows\\ShellComponents\\dllhost.exe\""	f28d2482802e94cd02376a7153b318ef4facc86cfc804ae117419c520520f8ec.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\lsass = "\"C:\\Recovery\\WindowsRE\\lsass.exe\""	f28d2482802e94cd02376a7153b318ef4facc86cfc804ae117419c520520f8ec.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\lsass = "\"C:\\Recovery\\WindowsRE\\lsass.exe\""	f28d2482802e94cd02376a7153b318ef4facc86cfc804ae117419c520520f8ec.exe

Drops file in System32 directory 2 IoCs

description	ioc	Process
File created	\??\c:\Windows\System32\CSCC117D828A69E49EBA6598BBC4486A6DB.TMP	csc.exe
File created	\??\c:\Windows\System32\ljh0xx.exe	csc.exe

Drops file in Program Files directory 5 IoCs

description	ioc	Process
File created	C:\Program Files\Google\Chrome\Application\RuntimeBroker.exe	f28d2482802e94cd02376a7153b318ef4facc86cfc804ae117419c520520f8ec.exe
File created	C:\Program Files\Google\Chrome\Application\9e8d7a4ca61bd9	f28d2482802e94cd02376a7153b318ef4facc86cfc804ae117419c520520f8ec.exe
File created	C:\Program Files\MSBuild\Microsoft\System.exe	f28d2482802e94cd02376a7153b318ef4facc86cfc804ae117419c520520f8ec.exe
File created	C:\Program Files\MSBuild\Microsoft\27d1bcfc3c54e0	f28d2482802e94cd02376a7153b318ef4facc86cfc804ae117419c520520f8ec.exe
File created	C:\Program Files\ModifiableWindowsApps\OfficeClickToRun.exe	f28d2482802e94cd02376a7153b318ef4facc86cfc804ae117419c520520f8ec.exe

Drops file in Windows directory 3 IoCs

description	ioc	Process
File created	C:\Windows\ImmersiveControlPanel\uk-UA\lsass.exe	f28d2482802e94cd02376a7153b318ef4facc86cfc804ae117419c520520f8ec.exe
File created	C:\Windows\ShellComponents\dllhost.exe	f28d2482802e94cd02376a7153b318ef4facc86cfc804ae117419c520520f8ec.exe
File created	C:\Windows\ShellComponents\5940a34987c991	f28d2482802e94cd02376a7153b318ef4facc86cfc804ae117419c520520f8ec.exe

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

System Information Discovery
T1082

Modifies registry class 1 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000_Classes\Local Settings	f28d2482802e94cd02376a7153b318ef4facc86cfc804ae117419c520520f8ec.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
4464	schtasks.exe
4784	schtasks.exe
2160	schtasks.exe
2404	schtasks.exe
3572	schtasks.exe
3024	schtasks.exe
5064	schtasks.exe
240	schtasks.exe
2656	schtasks.exe
352	schtasks.exe
4760	schtasks.exe
404	schtasks.exe
5088	schtasks.exe
560	schtasks.exe
4948	schtasks.exe
2612	schtasks.exe
3204	schtasks.exe
2960	schtasks.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
1764	f28d2482802e94cd02376a7153b318ef4facc86cfc804ae117419c520520f8ec.exe
1764	f28d2482802e94cd02376a7153b318ef4facc86cfc804ae117419c520520f8ec.exe
1764	f28d2482802e94cd02376a7153b318ef4facc86cfc804ae117419c520520f8ec.exe
1764	f28d2482802e94cd02376a7153b318ef4facc86cfc804ae117419c520520f8ec.exe
1764	f28d2482802e94cd02376a7153b318ef4facc86cfc804ae117419c520520f8ec.exe
1764	f28d2482802e94cd02376a7153b318ef4facc86cfc804ae117419c520520f8ec.exe
1764	f28d2482802e94cd02376a7153b318ef4facc86cfc804ae117419c520520f8ec.exe
1764	f28d2482802e94cd02376a7153b318ef4facc86cfc804ae117419c520520f8ec.exe
1764	f28d2482802e94cd02376a7153b318ef4facc86cfc804ae117419c520520f8ec.exe
1764	f28d2482802e94cd02376a7153b318ef4facc86cfc804ae117419c520520f8ec.exe
1764	f28d2482802e94cd02376a7153b318ef4facc86cfc804ae117419c520520f8ec.exe
1764	f28d2482802e94cd02376a7153b318ef4facc86cfc804ae117419c520520f8ec.exe
1764	f28d2482802e94cd02376a7153b318ef4facc86cfc804ae117419c520520f8ec.exe
1764	f28d2482802e94cd02376a7153b318ef4facc86cfc804ae117419c520520f8ec.exe
1764	f28d2482802e94cd02376a7153b318ef4facc86cfc804ae117419c520520f8ec.exe
1764	f28d2482802e94cd02376a7153b318ef4facc86cfc804ae117419c520520f8ec.exe
1764	f28d2482802e94cd02376a7153b318ef4facc86cfc804ae117419c520520f8ec.exe
1764	f28d2482802e94cd02376a7153b318ef4facc86cfc804ae117419c520520f8ec.exe
1764	f28d2482802e94cd02376a7153b318ef4facc86cfc804ae117419c520520f8ec.exe
1764	f28d2482802e94cd02376a7153b318ef4facc86cfc804ae117419c520520f8ec.exe
1764	f28d2482802e94cd02376a7153b318ef4facc86cfc804ae117419c520520f8ec.exe
1764	f28d2482802e94cd02376a7153b318ef4facc86cfc804ae117419c520520f8ec.exe
1764	f28d2482802e94cd02376a7153b318ef4facc86cfc804ae117419c520520f8ec.exe
1764	f28d2482802e94cd02376a7153b318ef4facc86cfc804ae117419c520520f8ec.exe
1764	f28d2482802e94cd02376a7153b318ef4facc86cfc804ae117419c520520f8ec.exe
1764	f28d2482802e94cd02376a7153b318ef4facc86cfc804ae117419c520520f8ec.exe
1764	f28d2482802e94cd02376a7153b318ef4facc86cfc804ae117419c520520f8ec.exe
1764	f28d2482802e94cd02376a7153b318ef4facc86cfc804ae117419c520520f8ec.exe
1764	f28d2482802e94cd02376a7153b318ef4facc86cfc804ae117419c520520f8ec.exe
1764	f28d2482802e94cd02376a7153b318ef4facc86cfc804ae117419c520520f8ec.exe
1764	f28d2482802e94cd02376a7153b318ef4facc86cfc804ae117419c520520f8ec.exe
1764	f28d2482802e94cd02376a7153b318ef4facc86cfc804ae117419c520520f8ec.exe
1764	f28d2482802e94cd02376a7153b318ef4facc86cfc804ae117419c520520f8ec.exe
1764	f28d2482802e94cd02376a7153b318ef4facc86cfc804ae117419c520520f8ec.exe
1764	f28d2482802e94cd02376a7153b318ef4facc86cfc804ae117419c520520f8ec.exe
1764	f28d2482802e94cd02376a7153b318ef4facc86cfc804ae117419c520520f8ec.exe
1764	f28d2482802e94cd02376a7153b318ef4facc86cfc804ae117419c520520f8ec.exe
1764	f28d2482802e94cd02376a7153b318ef4facc86cfc804ae117419c520520f8ec.exe
1764	f28d2482802e94cd02376a7153b318ef4facc86cfc804ae117419c520520f8ec.exe
1764	f28d2482802e94cd02376a7153b318ef4facc86cfc804ae117419c520520f8ec.exe
1764	f28d2482802e94cd02376a7153b318ef4facc86cfc804ae117419c520520f8ec.exe
1764	f28d2482802e94cd02376a7153b318ef4facc86cfc804ae117419c520520f8ec.exe
1764	f28d2482802e94cd02376a7153b318ef4facc86cfc804ae117419c520520f8ec.exe
1764	f28d2482802e94cd02376a7153b318ef4facc86cfc804ae117419c520520f8ec.exe
1764	f28d2482802e94cd02376a7153b318ef4facc86cfc804ae117419c520520f8ec.exe
1764	f28d2482802e94cd02376a7153b318ef4facc86cfc804ae117419c520520f8ec.exe
1764	f28d2482802e94cd02376a7153b318ef4facc86cfc804ae117419c520520f8ec.exe
1764	f28d2482802e94cd02376a7153b318ef4facc86cfc804ae117419c520520f8ec.exe
1764	f28d2482802e94cd02376a7153b318ef4facc86cfc804ae117419c520520f8ec.exe
1764	f28d2482802e94cd02376a7153b318ef4facc86cfc804ae117419c520520f8ec.exe
1764	f28d2482802e94cd02376a7153b318ef4facc86cfc804ae117419c520520f8ec.exe
1764	f28d2482802e94cd02376a7153b318ef4facc86cfc804ae117419c520520f8ec.exe
1764	f28d2482802e94cd02376a7153b318ef4facc86cfc804ae117419c520520f8ec.exe
1764	f28d2482802e94cd02376a7153b318ef4facc86cfc804ae117419c520520f8ec.exe
1764	f28d2482802e94cd02376a7153b318ef4facc86cfc804ae117419c520520f8ec.exe
1764	f28d2482802e94cd02376a7153b318ef4facc86cfc804ae117419c520520f8ec.exe
1764	f28d2482802e94cd02376a7153b318ef4facc86cfc804ae117419c520520f8ec.exe
1764	f28d2482802e94cd02376a7153b318ef4facc86cfc804ae117419c520520f8ec.exe
1764	f28d2482802e94cd02376a7153b318ef4facc86cfc804ae117419c520520f8ec.exe
1764	f28d2482802e94cd02376a7153b318ef4facc86cfc804ae117419c520520f8ec.exe
3076	powershell.exe
4584	powershell.exe
3020	powershell.exe
1580	powershell.exe

Suspicious use of AdjustPrivilegeToken 8 IoCs

description	pid	Process
Token: SeDebugPrivilege	1764	f28d2482802e94cd02376a7153b318ef4facc86cfc804ae117419c520520f8ec.exe
Token: SeDebugPrivilege	4584	powershell.exe
Token: SeDebugPrivilege	1580	powershell.exe
Token: SeDebugPrivilege	3020	powershell.exe
Token: SeDebugPrivilege	3076	powershell.exe
Token: SeDebugPrivilege	820	powershell.exe
Token: SeDebugPrivilege	1080	powershell.exe
Token: SeDebugPrivilege	1132	dllhost.exe

Suspicious use of WriteProcessMemory 24 IoCs

description	pid	Process	procid_target
PID 1764 wrote to memory of 4288	1764	f28d2482802e94cd02376a7153b318ef4facc86cfc804ae117419c520520f8ec.exe	86
PID 1764 wrote to memory of 4288	1764	f28d2482802e94cd02376a7153b318ef4facc86cfc804ae117419c520520f8ec.exe	86
PID 4288 wrote to memory of 1744	4288	csc.exe	88
PID 4288 wrote to memory of 1744	4288	csc.exe	88
PID 1764 wrote to memory of 1080	1764	f28d2482802e94cd02376a7153b318ef4facc86cfc804ae117419c520520f8ec.exe	104
PID 1764 wrote to memory of 1080	1764	f28d2482802e94cd02376a7153b318ef4facc86cfc804ae117419c520520f8ec.exe	104
PID 1764 wrote to memory of 4584	1764	f28d2482802e94cd02376a7153b318ef4facc86cfc804ae117419c520520f8ec.exe	105
PID 1764 wrote to memory of 4584	1764	f28d2482802e94cd02376a7153b318ef4facc86cfc804ae117419c520520f8ec.exe	105
PID 1764 wrote to memory of 3076	1764	f28d2482802e94cd02376a7153b318ef4facc86cfc804ae117419c520520f8ec.exe	106
PID 1764 wrote to memory of 3076	1764	f28d2482802e94cd02376a7153b318ef4facc86cfc804ae117419c520520f8ec.exe	106
PID 1764 wrote to memory of 3020	1764	f28d2482802e94cd02376a7153b318ef4facc86cfc804ae117419c520520f8ec.exe	107
PID 1764 wrote to memory of 3020	1764	f28d2482802e94cd02376a7153b318ef4facc86cfc804ae117419c520520f8ec.exe	107
PID 1764 wrote to memory of 1580	1764	f28d2482802e94cd02376a7153b318ef4facc86cfc804ae117419c520520f8ec.exe	110
PID 1764 wrote to memory of 1580	1764	f28d2482802e94cd02376a7153b318ef4facc86cfc804ae117419c520520f8ec.exe	110
PID 1764 wrote to memory of 820	1764	f28d2482802e94cd02376a7153b318ef4facc86cfc804ae117419c520520f8ec.exe	111
PID 1764 wrote to memory of 820	1764	f28d2482802e94cd02376a7153b318ef4facc86cfc804ae117419c520520f8ec.exe	111
PID 1764 wrote to memory of 3684	1764	f28d2482802e94cd02376a7153b318ef4facc86cfc804ae117419c520520f8ec.exe	115
PID 1764 wrote to memory of 3684	1764	f28d2482802e94cd02376a7153b318ef4facc86cfc804ae117419c520520f8ec.exe	115
PID 3684 wrote to memory of 4668	3684	cmd.exe	118
PID 3684 wrote to memory of 4668	3684	cmd.exe	118
PID 3684 wrote to memory of 1348	3684	cmd.exe	119
PID 3684 wrote to memory of 1348	3684	cmd.exe	119
PID 3684 wrote to memory of 1132	3684	cmd.exe	120
PID 3684 wrote to memory of 1132	3684	cmd.exe	120

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\f28d2482802e94cd02376a7153b318ef4facc86cfc804ae117419c520520f8ec.exe
"C:\Users\Admin\AppData\Local\Temp\f28d2482802e94cd02376a7153b318ef4facc86cfc804ae117419c520520f8ec.exe"
1⤵
- Modifies WinLogon for persistence
- Checks computer location settings
- Adds Run key to start application
- Drops file in Program Files directory
- Drops file in Windows directory
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1764
- 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\fomgofqs\fomgofqs.cmdline"
  2⤵
  - Drops file in System32 directory
  - Suspicious use of WriteProcessMemory
  PID:4288
- - 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\RESC97A.tmp" "c:\Windows\System32\CSCC117D828A69E49EBA6598BBC4486A6DB.TMP"
    3⤵
    PID:1744
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "powershell" -Command Add-MpPreference -ExclusionPath 'C:\Windows\ShellComponents\dllhost.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious use of AdjustPrivilegeToken
  PID:1080
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "powershell" -Command Add-MpPreference -ExclusionPath 'C:\Recovery\WindowsRE\lsass.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:4584
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "powershell" -Command Add-MpPreference -ExclusionPath 'C:\Program Files\MSBuild\Microsoft\System.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:3076
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "powershell" -Command Add-MpPreference -ExclusionPath 'C:\Program Files\Google\Chrome\Application\RuntimeBroker.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:3020
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "powershell" -Command Add-MpPreference -ExclusionPath 'C:\Recovery\WindowsRE\unsecapp.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1580
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "powershell" -Command Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Local\Temp\f28d2482802e94cd02376a7153b318ef4facc86cfc804ae117419c520520f8ec.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious use of AdjustPrivilegeToken
  PID:820
- C:\Windows\System32\cmd.exe
  "C:\Windows\System32\cmd.exe" /C "C:\Users\Admin\AppData\Local\Temp\A8AGwVcEiI.bat"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:3684
- - C:\Windows\system32\chcp.com
    chcp 65001
    3⤵
    PID:4668
- - C:\Windows\system32\w32tm.exe
    w32tm /stripchart /computer:localhost /period:5 /dataonly /samples:2
    3⤵
    PID:1348
- - C:\Windows\ShellComponents\dllhost.exe
    "C:\Windows\ShellComponents\dllhost.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious use of AdjustPrivilegeToken
    PID:1132

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "dllhostd" /sc MINUTE /mo 5 /tr "'C:\Windows\ShellComponents\dllhost.exe'" /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:2960

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "dllhost" /sc ONLOGON /tr "'C:\Windows\ShellComponents\dllhost.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:4760

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "dllhostd" /sc MINUTE /mo 13 /tr "'C:\Windows\ShellComponents\dllhost.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:2160

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "lsassl" /sc MINUTE /mo 10 /tr "'C:\Recovery\WindowsRE\lsass.exe'" /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:3024

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "lsass" /sc ONLOGON /tr "'C:\Recovery\WindowsRE\lsass.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:4464

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "lsassl" /sc MINUTE /mo 13 /tr "'C:\Recovery\WindowsRE\lsass.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:404

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "SystemS" /sc MINUTE /mo 10 /tr "'C:\Program Files\MSBuild\Microsoft\System.exe'" /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:5088

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "System" /sc ONLOGON /tr "'C:\Program Files\MSBuild\Microsoft\System.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:560

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "SystemS" /sc MINUTE /mo 13 /tr "'C:\Program Files\MSBuild\Microsoft\System.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:5064

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "RuntimeBrokerR" /sc MINUTE /mo 11 /tr "'C:\Program Files\Google\Chrome\Application\RuntimeBroker.exe'" /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:240

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "RuntimeBroker" /sc ONLOGON /tr "'C:\Program Files\Google\Chrome\Application\RuntimeBroker.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:4948

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "RuntimeBrokerR" /sc MINUTE /mo 9 /tr "'C:\Program Files\Google\Chrome\Application\RuntimeBroker.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 "unsecappu" /sc MINUTE /mo 10 /tr "'C:\Recovery\WindowsRE\unsecapp.exe'" /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:3572

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:2612

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "unsecappu" /sc MINUTE /mo 9 /tr "'C:\Recovery\WindowsRE\unsecapp.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:2404

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "f28d2482802e94cd02376a7153b318ef4facc86cfc804ae117419c520520f8ecf" /sc MINUTE /mo 11 /tr "'C:\Users\Admin\AppData\Local\Temp\f28d2482802e94cd02376a7153b318ef4facc86cfc804ae117419c520520f8ec.exe'" /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:4784

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "f28d2482802e94cd02376a7153b318ef4facc86cfc804ae117419c520520f8ec" /sc ONLOGON /tr "'C:\Users\Admin\AppData\Local\Temp\f28d2482802e94cd02376a7153b318ef4facc86cfc804ae117419c520520f8ec.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:3204

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "f28d2482802e94cd02376a7153b318ef4facc86cfc804ae117419c520520f8ecf" /sc MINUTE /mo 5 /tr "'C:\Users\Admin\AppData\Local\Temp\f28d2482802e94cd02376a7153b318ef4facc86cfc804ae117419c520520f8ec.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:352

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

Query Registry

T1012

System Information Discovery

T1082

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
400B

MD5
32b340817e5a83e0e9ea9b7a0d8bf067

SHA1
6f96a5caf2677ffd5ff85e63dcdd84cd3f116246

SHA256
a8014f78b08a055eff12ff2b7fc47ac035ef1ecc18e57a633e63c9ea143b9694

SHA512
d3e49c66e6e21d656043aef1e6efd74b1b84ade5643ef4b0050c31d59f08c508169c12db7a40833e1483b9cdbf728b97d255b98232c462649955d73b8dbe5432

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

Filesize
944B

MD5
6d3e9c29fe44e90aae6ed30ccf799ca8

SHA1
c7974ef72264bbdf13a2793ccf1aed11bc565dce

SHA256
2360634e63e8f0b5748e2c56ebb8f4aa78e71008ea7b5c9ca1c49be03b49557d

SHA512
60c38c4367352537545d859f64b9c5cbada94240478d1d039fd27b5ecba4dc1c90051557c16d802269703b873546ead416279c0a80c6fd5e49ad361cef22596a

Download Submit
C:\Users\Admin\AppData\Local\Temp\A8AGwVcEiI.bat

Filesize
214B

MD5
f4b77fa288f6d25b6cee5a771e3ce9ea

SHA1
26804c9c2fcc383d8eb92b36f7e1476a71474fe1

SHA256
b943ab0f0a3a2bf3486d53549401a224481b7a27aae2804e13bf6990f8212e33

SHA512
679e5a9ee6329a8a6d52cf378385f06cebf1c8452398e6eff650c51b34bd506dfaccd1a364f03fe7da4fcd5fc1375d85da2630da66020657c173c1aece8dfcdc

Download Submit
C:\Users\Admin\AppData\Local\Temp\RESC97A.tmp

Filesize
1KB

MD5
3bc37aa9f18a7cba1fd7f3ad628f1516

SHA1
dd5ae2143a630dd0cb8a7c8d7c300c055848f2be

SHA256
fe0e73fd4498ffa1eeabda1476bd755839f2d74e65e44c6f2f8408ada158d5bc

SHA512
4180b7b99341cc61595aacf2b567c7dff084320ed982d535ed8c3a66e90778644f56300682456ab77d24e550ff4016a5d040fa72954bdd74268941d24ad80517

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_rj51rkvy.goi.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Windows\ShellComponents\dllhost.exe

Filesize
1.8MB

MD5
68ef473852d3aefd8e5e4f2e00b3dfaa

SHA1
3ba2594ec459d1c9152558ebdd9611427347a73e

SHA256
f28d2482802e94cd02376a7153b318ef4facc86cfc804ae117419c520520f8ec

SHA512
8602717380a4ad4ca7cbcdbb2373e63ff8578d58e6324d43530b134c6d7005469ff89c45bad773da978d4263a56c51efd331b09790f5708a563f26a513cad3ff

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

Filesize
370B

MD5
bf3d4acdb7a846949e2dcc5b5c292316

SHA1
2873daa4522016d59a3dd53a806f965ab15dda35

SHA256
588ace53299f0f7d2039f88156384580dc58d746d07e1d37ab546d0d6a5f0a4b

SHA512
132af2822e260ed23d99a4b2b4e6169a1ac38a1bea8169ae5a1c2869b227c15a1d6fccdcb37a60fc0123aeed0bc8f71f62361060da4a13062c807f67ad4e8376

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

Filesize
235B

MD5
021dff1db0c7d193c3c1d12423099f99

SHA1
09b95b60c903bb3e885f77b2b3b9779881136f22

SHA256
33b974ad03a938ee911edc55d7e58ddc3939a64d8877ef862a569590d30ccb87

SHA512
97fa5e74d602ebb34dd4c192a4ba44617708ed60e4735dd822c47a0ec8f3b8b76ee90fd93255172e3091900609c2bac260fb874fa41c5f3087890466513541c8

Download Submit
\??\c:\Windows\System32\CSCC117D828A69E49EBA6598BBC4486A6DB.TMP

Filesize
1KB

MD5
2fd2b90e7053b01e6af25701a467eb1f

SHA1
68801a13cebba82c24f67a9d7c886fcefcf01a51

SHA256
12b900db56a20f01f0f1d65f46933971415d5b5675e59e8b02b3dae12aaa1527

SHA512
081d3a621e3664709867f3fdd82808364978f896fb007c0c8e6c8dfe25f2f2b8d37c9e0b2e4fb51c90bc6f691507b569e5d841ef3ca3bd38bd6adda2d30f32af

Download Submit
memory/1132-128-0x000000001D480000-0x000000001D4CE000-memory.dmp

Filesize
312KB

Download
memory/1764-35-0x00007FFFE13C0000-0x00007FFFE1E81000-memory.dmp

Filesize
10.8MB

Download
memory/1764-4-0x00007FFFE13C0000-0x00007FFFE1E81000-memory.dmp

Filesize
10.8MB

Download
memory/1764-19-0x00007FFFE13C0000-0x00007FFFE1E81000-memory.dmp

Filesize
10.8MB

Download
memory/1764-30-0x00007FFFE13C0000-0x00007FFFE1E81000-memory.dmp

Filesize
10.8MB

Download
memory/1764-0-0x00007FFFE13C3000-0x00007FFFE13C5000-memory.dmp

Filesize
8KB

Download
memory/1764-31-0x00007FFFE13C0000-0x00007FFFE1E81000-memory.dmp

Filesize
10.8MB

Download
memory/1764-10-0x00007FFFE13C0000-0x00007FFFE1E81000-memory.dmp

Filesize
10.8MB

Download
memory/1764-11-0x000000001BE70000-0x000000001BEC0000-memory.dmp

Filesize
320KB

Download
memory/1764-13-0x0000000003330000-0x0000000003348000-memory.dmp

Filesize
96KB

Download
memory/1764-16-0x00000000032D0000-0x00000000032DC000-memory.dmp

Filesize
48KB

Download
memory/1764-9-0x00007FFFE13C0000-0x00007FFFE1E81000-memory.dmp

Filesize
10.8MB

Download
memory/1764-14-0x00007FFFE13C0000-0x00007FFFE1E81000-memory.dmp

Filesize
10.8MB

Download
memory/1764-8-0x0000000003310000-0x000000000332C000-memory.dmp

Filesize
112KB

Download
memory/1764-60-0x000000001C950000-0x000000001C99E000-memory.dmp

Filesize
312KB

Download
memory/1764-70-0x00007FFFE13C0000-0x00007FFFE1E81000-memory.dmp

Filesize
10.8MB

Download
memory/1764-6-0x0000000003270000-0x000000000327E000-memory.dmp

Filesize
56KB

Download
memory/1764-17-0x00007FFFE13C0000-0x00007FFFE1E81000-memory.dmp

Filesize
10.8MB

Download
memory/1764-3-0x00007FFFE13C0000-0x00007FFFE1E81000-memory.dmp

Filesize
10.8MB

Download
memory/1764-2-0x00007FFFE13C0000-0x00007FFFE1E81000-memory.dmp

Filesize
10.8MB

Download
memory/1764-1-0x0000000000FD0000-0x00000000011AC000-memory.dmp

Filesize
1.9MB

Download
memory/4584-59-0x00000222D6EB0000-0x00000222D6ED2000-memory.dmp

Filesize
136KB

Download