dcrat | ce8abab7abf2a2ed224d8c9a3fe10114547c743518e905765b8d8ef76500cabc

General

Target

ce8abab7abf2a2ed224d8c9a3fe10114547c743518e905765b8d8ef76500cabc.exe
Size

2.7MB
MD5

8a988516d37df432161e208d0d8c42bd
SHA1

58598135c7dced1b5266814edc5e44afc5dda59f
SHA256

ce8abab7abf2a2ed224d8c9a3fe10114547c743518e905765b8d8ef76500cabc
SHA512

f546d5ab0de84baa5a580a576df5ed19e90b220501b0f251932fec9755391b8cb7b6080f523fe79322ea25fbca44eaf2bd6f600d94d7e090b624d3f86852e6a3
SSDEEP

49152:iH64y2XDuLlIY14o9/yDzr1xJ8XbRrC9mWvR08Yv7yP3GcY:iHfE5Ad8Xd295UmGc

Score

10^/10

dcrat evasion execution infostealer persistence rat trojan

Malware Config

Signatures

DcRat
DarkCrystal(DC) is a new .NET RAT active since June 2019 capable of loading additional plugins.
rat infostealer dcrat

Modifies WinLogon for persistence 2 TTPs 4 IoCs

persistence

Winlogon Helper DLL

T1547.004

Modify Registry

T1112

Processes:

ce8abab7abf2a2ed224d8c9a3fe10114547c743518e905765b8d8ef76500cabc.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe, \"C:\\Program Files\\Mozilla Firefox\\browser\\VisualElements\\fontdrvhost.exe\", \"C:\\Program Files\\Google\\Chrome\\MusNotification.exe\", \"C:\\Program Files\\WindowsPowerShell\\Modules\\backgroundTaskHost.exe\""	ce8abab7abf2a2ed224d8c9a3fe10114547c743518e905765b8d8ef76500cabc.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe, \"C:\\Program Files\\Mozilla Firefox\\browser\\VisualElements\\fontdrvhost.exe\", \"C:\\Program Files\\Google\\Chrome\\MusNotification.exe\", \"C:\\Program Files\\WindowsPowerShell\\Modules\\backgroundTaskHost.exe\", \"C:\\Program Files\\Windows Security\\BrowserCore\\en-US\\dllhost.exe\""	ce8abab7abf2a2ed224d8c9a3fe10114547c743518e905765b8d8ef76500cabc.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe, \"C:\\Program Files\\Mozilla Firefox\\browser\\VisualElements\\fontdrvhost.exe\""	ce8abab7abf2a2ed224d8c9a3fe10114547c743518e905765b8d8ef76500cabc.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe, \"C:\\Program Files\\Mozilla Firefox\\browser\\VisualElements\\fontdrvhost.exe\", \"C:\\Program Files\\Google\\Chrome\\MusNotification.exe\""	ce8abab7abf2a2ed224d8c9a3fe10114547c743518e905765b8d8ef76500cabc.exe

Process spawned unexpected child process 12 IoCs

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

Processes:

schtasks.exeschtasks.exeschtasks.exeschtasks.exeschtasks.exeschtasks.exeschtasks.exeschtasks.exeschtasks.exeschtasks.exeschtasks.exeschtasks.exe

description	pid	pid_target	process
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	2788	2904	schtasks.exe
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	1352	2904	schtasks.exe
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	4716	2904	schtasks.exe
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	2036	2904	schtasks.exe
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	4432	2904	schtasks.exe
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	2000	2904	schtasks.exe
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	3936	2904	schtasks.exe
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	5108	2904	schtasks.exe
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	464	2904	schtasks.exe
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	2388	2904	schtasks.exe
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	1236	2904	schtasks.exe
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	1360	2904	schtasks.exe

UAC bypass 3 TTPs 6 IoCs

evasion trojan

Bypass User Account Control

T1548.002

Disable or Modify Tools

T1562.001

Modify Registry

T1112

Processes:

ce8abab7abf2a2ed224d8c9a3fe10114547c743518e905765b8d8ef76500cabc.exedllhost.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	ce8abab7abf2a2ed224d8c9a3fe10114547c743518e905765b8d8ef76500cabc.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\ConsentPromptBehaviorAdmin = "0"	ce8abab7abf2a2ed224d8c9a3fe10114547c743518e905765b8d8ef76500cabc.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\PromptOnSecureDesktop = "0"	ce8abab7abf2a2ed224d8c9a3fe10114547c743518e905765b8d8ef76500cabc.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	dllhost.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\ConsentPromptBehaviorAdmin = "0"	dllhost.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\PromptOnSecureDesktop = "0"	dllhost.exe

DCRat payload 2 IoCs

Detects payload of DCRat, commonly dropped by NSIS installers.

rat

Processes:

resource	yara_rule
behavioral2/memory/3628-1-0x0000000000C40000-0x0000000000F00000-memory.dmp	dcrat
C:\Program Files\Mozilla Firefox\browser\VisualElements\fontdrvhost.exe	dcrat

Detects executables packed with SmartAssembly 8 IoCs

Processes:

resource	yara_rule
behavioral2/memory/3628-7-0x000000001BA20000-0x000000001BA30000-memory.dmp	INDICATOR_EXE_Packed_SmartAssembly
behavioral2/memory/3628-12-0x000000001C200000-0x000000001C20A000-memory.dmp	INDICATOR_EXE_Packed_SmartAssembly
behavioral2/memory/3628-13-0x000000001C210000-0x000000001C266000-memory.dmp	INDICATOR_EXE_Packed_SmartAssembly
behavioral2/memory/3628-16-0x000000001C280000-0x000000001C28C000-memory.dmp	INDICATOR_EXE_Packed_SmartAssembly
behavioral2/memory/3628-19-0x000000001C2B0000-0x000000001C2BC000-memory.dmp	INDICATOR_EXE_Packed_SmartAssembly
behavioral2/memory/3628-23-0x000000001C4F0000-0x000000001C4FC000-memory.dmp	INDICATOR_EXE_Packed_SmartAssembly
behavioral2/memory/3628-22-0x000000001C3E0000-0x000000001C3EC000-memory.dmp	INDICATOR_EXE_Packed_SmartAssembly
behavioral2/memory/3628-25-0x000000001C510000-0x000000001C51A000-memory.dmp	INDICATOR_EXE_Packed_SmartAssembly

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs
Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.
execution

PowerShell
T1059.001

Processes:

powershell.exe

pid process

1552 powershell.exe

pid	process
1552	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

Processes:

ce8abab7abf2a2ed224d8c9a3fe10114547c743518e905765b8d8ef76500cabc.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-4018855536-2201274732-320770143-1000\Control Panel\International\Geo\Nation	ce8abab7abf2a2ed224d8c9a3fe10114547c743518e905765b8d8ef76500cabc.exe

Executes dropped EXE 1 IoCs

Processes:

dllhost.exe

pid process

1616 dllhost.exe

pid	process
1616	dllhost.exe

Adds Run key to start application 2 TTPs 8 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

ce8abab7abf2a2ed224d8c9a3fe10114547c743518e905765b8d8ef76500cabc.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\MusNotification = "\"C:\\Program Files\\Google\\Chrome\\MusNotification.exe\""	ce8abab7abf2a2ed224d8c9a3fe10114547c743518e905765b8d8ef76500cabc.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4018855536-2201274732-320770143-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\backgroundTaskHost = "\"C:\\Program Files\\WindowsPowerShell\\Modules\\backgroundTaskHost.exe\""	ce8abab7abf2a2ed224d8c9a3fe10114547c743518e905765b8d8ef76500cabc.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\backgroundTaskHost = "\"C:\\Program Files\\WindowsPowerShell\\Modules\\backgroundTaskHost.exe\""	ce8abab7abf2a2ed224d8c9a3fe10114547c743518e905765b8d8ef76500cabc.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4018855536-2201274732-320770143-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\dllhost = "\"C:\\Program Files\\Windows Security\\BrowserCore\\en-US\\dllhost.exe\""	ce8abab7abf2a2ed224d8c9a3fe10114547c743518e905765b8d8ef76500cabc.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\dllhost = "\"C:\\Program Files\\Windows Security\\BrowserCore\\en-US\\dllhost.exe\""	ce8abab7abf2a2ed224d8c9a3fe10114547c743518e905765b8d8ef76500cabc.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4018855536-2201274732-320770143-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\fontdrvhost = "\"C:\\Program Files\\Mozilla Firefox\\browser\\VisualElements\\fontdrvhost.exe\""	ce8abab7abf2a2ed224d8c9a3fe10114547c743518e905765b8d8ef76500cabc.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\fontdrvhost = "\"C:\\Program Files\\Mozilla Firefox\\browser\\VisualElements\\fontdrvhost.exe\""	ce8abab7abf2a2ed224d8c9a3fe10114547c743518e905765b8d8ef76500cabc.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4018855536-2201274732-320770143-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\MusNotification = "\"C:\\Program Files\\Google\\Chrome\\MusNotification.exe\""	ce8abab7abf2a2ed224d8c9a3fe10114547c743518e905765b8d8ef76500cabc.exe

Checks whether UAC is enabled 1 TTPs 4 IoCs

evasion trojan

System Information Discovery

T1082

Processes:

ce8abab7abf2a2ed224d8c9a3fe10114547c743518e905765b8d8ef76500cabc.exedllhost.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	ce8abab7abf2a2ed224d8c9a3fe10114547c743518e905765b8d8ef76500cabc.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	ce8abab7abf2a2ed224d8c9a3fe10114547c743518e905765b8d8ef76500cabc.exe
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	dllhost.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	dllhost.exe

Drops file in Program Files directory 16 IoCs

Processes:

ce8abab7abf2a2ed224d8c9a3fe10114547c743518e905765b8d8ef76500cabc.exe

description	ioc	process
File created	C:\Program Files\Google\Chrome\aa97147c4c782d	ce8abab7abf2a2ed224d8c9a3fe10114547c743518e905765b8d8ef76500cabc.exe
File opened for modification	C:\Program Files\Mozilla Firefox\browser\VisualElements\RCX3EB0.tmp	ce8abab7abf2a2ed224d8c9a3fe10114547c743518e905765b8d8ef76500cabc.exe
File opened for modification	C:\Program Files\WindowsPowerShell\Modules\RCX4336.tmp	ce8abab7abf2a2ed224d8c9a3fe10114547c743518e905765b8d8ef76500cabc.exe
File opened for modification	C:\Program Files\Windows Security\BrowserCore\en-US\RCX453B.tmp	ce8abab7abf2a2ed224d8c9a3fe10114547c743518e905765b8d8ef76500cabc.exe
File created	C:\Program Files\Mozilla Firefox\browser\VisualElements\5b884080fd4f94	ce8abab7abf2a2ed224d8c9a3fe10114547c743518e905765b8d8ef76500cabc.exe
File created	C:\Program Files\Google\Chrome\MusNotification.exe	ce8abab7abf2a2ed224d8c9a3fe10114547c743518e905765b8d8ef76500cabc.exe
File created	C:\Program Files\WindowsPowerShell\Modules\backgroundTaskHost.exe	ce8abab7abf2a2ed224d8c9a3fe10114547c743518e905765b8d8ef76500cabc.exe
File created	C:\Program Files\WindowsPowerShell\Modules\eddb19405b7ce1	ce8abab7abf2a2ed224d8c9a3fe10114547c743518e905765b8d8ef76500cabc.exe
File created	C:\Program Files\Windows Security\BrowserCore\en-US\dllhost.exe	ce8abab7abf2a2ed224d8c9a3fe10114547c743518e905765b8d8ef76500cabc.exe
File opened for modification	C:\Program Files\Google\Chrome\RCX40B4.tmp	ce8abab7abf2a2ed224d8c9a3fe10114547c743518e905765b8d8ef76500cabc.exe
File opened for modification	C:\Program Files\Mozilla Firefox\browser\VisualElements\fontdrvhost.exe	ce8abab7abf2a2ed224d8c9a3fe10114547c743518e905765b8d8ef76500cabc.exe
File created	C:\Program Files\Windows Security\BrowserCore\en-US\5940a34987c991	ce8abab7abf2a2ed224d8c9a3fe10114547c743518e905765b8d8ef76500cabc.exe
File opened for modification	C:\Program Files\WindowsPowerShell\Modules\backgroundTaskHost.exe	ce8abab7abf2a2ed224d8c9a3fe10114547c743518e905765b8d8ef76500cabc.exe
File opened for modification	C:\Program Files\Windows Security\BrowserCore\en-US\dllhost.exe	ce8abab7abf2a2ed224d8c9a3fe10114547c743518e905765b8d8ef76500cabc.exe
File created	C:\Program Files\Mozilla Firefox\browser\VisualElements\fontdrvhost.exe	ce8abab7abf2a2ed224d8c9a3fe10114547c743518e905765b8d8ef76500cabc.exe
File opened for modification	C:\Program Files\Google\Chrome\MusNotification.exe	ce8abab7abf2a2ed224d8c9a3fe10114547c743518e905765b8d8ef76500cabc.exe

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

System Information Discovery
T1082

Creates scheduled task(s) 1 TTPs 12 IoCs

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

persistence

Scheduled Task/Job

T1053

Processes:

schtasks.exeschtasks.exeschtasks.exeschtasks.exeschtasks.exeschtasks.exeschtasks.exeschtasks.exeschtasks.exeschtasks.exeschtasks.exeschtasks.exe

pid	process
2036	schtasks.exe
4432	schtasks.exe
5108	schtasks.exe
1360	schtasks.exe
1236	schtasks.exe
2788	schtasks.exe
1352	schtasks.exe
4716	schtasks.exe
2000	schtasks.exe
3936	schtasks.exe
464	schtasks.exe
2388	schtasks.exe

Suspicious behavior: EnumeratesProcesses 38 IoCs

Processes:

ce8abab7abf2a2ed224d8c9a3fe10114547c743518e905765b8d8ef76500cabc.exepowershell.exedllhost.exe

pid	process
3628	ce8abab7abf2a2ed224d8c9a3fe10114547c743518e905765b8d8ef76500cabc.exe
3628	ce8abab7abf2a2ed224d8c9a3fe10114547c743518e905765b8d8ef76500cabc.exe
3628	ce8abab7abf2a2ed224d8c9a3fe10114547c743518e905765b8d8ef76500cabc.exe
3628	ce8abab7abf2a2ed224d8c9a3fe10114547c743518e905765b8d8ef76500cabc.exe
3628	ce8abab7abf2a2ed224d8c9a3fe10114547c743518e905765b8d8ef76500cabc.exe
3628	ce8abab7abf2a2ed224d8c9a3fe10114547c743518e905765b8d8ef76500cabc.exe
3628	ce8abab7abf2a2ed224d8c9a3fe10114547c743518e905765b8d8ef76500cabc.exe
3628	ce8abab7abf2a2ed224d8c9a3fe10114547c743518e905765b8d8ef76500cabc.exe
3628	ce8abab7abf2a2ed224d8c9a3fe10114547c743518e905765b8d8ef76500cabc.exe
3628	ce8abab7abf2a2ed224d8c9a3fe10114547c743518e905765b8d8ef76500cabc.exe
3628	ce8abab7abf2a2ed224d8c9a3fe10114547c743518e905765b8d8ef76500cabc.exe
3628	ce8abab7abf2a2ed224d8c9a3fe10114547c743518e905765b8d8ef76500cabc.exe
3628	ce8abab7abf2a2ed224d8c9a3fe10114547c743518e905765b8d8ef76500cabc.exe
3628	ce8abab7abf2a2ed224d8c9a3fe10114547c743518e905765b8d8ef76500cabc.exe
3628	ce8abab7abf2a2ed224d8c9a3fe10114547c743518e905765b8d8ef76500cabc.exe
3628	ce8abab7abf2a2ed224d8c9a3fe10114547c743518e905765b8d8ef76500cabc.exe
1552	powershell.exe
1552	powershell.exe
1616	dllhost.exe
1616	dllhost.exe
1616	dllhost.exe
1616	dllhost.exe
1616	dllhost.exe
1616	dllhost.exe
1616	dllhost.exe
1616	dllhost.exe
1616	dllhost.exe
1616	dllhost.exe
1616	dllhost.exe
1616	dllhost.exe
1616	dllhost.exe
1616	dllhost.exe
1616	dllhost.exe
1616	dllhost.exe
1616	dllhost.exe
1616	dllhost.exe
1616	dllhost.exe
1616	dllhost.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

ce8abab7abf2a2ed224d8c9a3fe10114547c743518e905765b8d8ef76500cabc.exepowershell.exedllhost.exe

description	pid	process
Token: SeDebugPrivilege	3628	ce8abab7abf2a2ed224d8c9a3fe10114547c743518e905765b8d8ef76500cabc.exe
Token: SeDebugPrivilege	1552	powershell.exe
Token: SeDebugPrivilege	1616	dllhost.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

ce8abab7abf2a2ed224d8c9a3fe10114547c743518e905765b8d8ef76500cabc.exe

description	pid	process	target process
PID 3628 wrote to memory of 1552	3628	ce8abab7abf2a2ed224d8c9a3fe10114547c743518e905765b8d8ef76500cabc.exe	powershell.exe
PID 3628 wrote to memory of 1552	3628	ce8abab7abf2a2ed224d8c9a3fe10114547c743518e905765b8d8ef76500cabc.exe	powershell.exe
PID 3628 wrote to memory of 1616	3628	ce8abab7abf2a2ed224d8c9a3fe10114547c743518e905765b8d8ef76500cabc.exe	dllhost.exe
PID 3628 wrote to memory of 1616	3628	ce8abab7abf2a2ed224d8c9a3fe10114547c743518e905765b8d8ef76500cabc.exe	dllhost.exe

System policy modification 1 TTPs 6 IoCs

evasion

Modify Registry

T1112

Processes:

dllhost.exece8abab7abf2a2ed224d8c9a3fe10114547c743518e905765b8d8ef76500cabc.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	dllhost.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\ConsentPromptBehaviorAdmin = "0"	dllhost.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\PromptOnSecureDesktop = "0"	dllhost.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	ce8abab7abf2a2ed224d8c9a3fe10114547c743518e905765b8d8ef76500cabc.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\ConsentPromptBehaviorAdmin = "0"	ce8abab7abf2a2ed224d8c9a3fe10114547c743518e905765b8d8ef76500cabc.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\PromptOnSecureDesktop = "0"	ce8abab7abf2a2ed224d8c9a3fe10114547c743518e905765b8d8ef76500cabc.exe

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\ce8abab7abf2a2ed224d8c9a3fe10114547c743518e905765b8d8ef76500cabc.exe
"C:\Users\Admin\AppData\Local\Temp\ce8abab7abf2a2ed224d8c9a3fe10114547c743518e905765b8d8ef76500cabc.exe"
1⤵
- Modifies WinLogon for persistence
- UAC bypass
- Checks computer location settings
- Adds Run key to start application
- Checks whether UAC is enabled
- Drops file in Program Files directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
- System policy modification
PID:3628

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
"powershell" -Command Add-MpPreference -ExclusionPath 'C:\'
2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1552

C:\Program Files\Windows Security\BrowserCore\en-US\dllhost.exe
"C:\Program Files\Windows Security\BrowserCore\en-US\dllhost.exe"
2⤵
- UAC bypass
- Executes dropped EXE
- Checks whether UAC is enabled
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- System policy modification
PID:1616

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "fontdrvhostf" /sc MINUTE /mo 7 /tr "'C:\Program Files\Mozilla Firefox\browser\VisualElements\fontdrvhost.exe'" /f
1⤵
- Process spawned unexpected child process
- Creates scheduled task(s)
PID:2788

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "fontdrvhost" /sc ONLOGON /tr "'C:\Program Files\Mozilla Firefox\browser\VisualElements\fontdrvhost.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Creates scheduled task(s)
PID:1352

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "fontdrvhostf" /sc MINUTE /mo 14 /tr "'C:\Program Files\Mozilla Firefox\browser\VisualElements\fontdrvhost.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Creates scheduled task(s)
PID:4716

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "MusNotificationM" /sc MINUTE /mo 8 /tr "'C:\Program Files\Google\Chrome\MusNotification.exe'" /f
1⤵
- Process spawned unexpected child process
- Creates scheduled task(s)
PID:2036

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "MusNotification" /sc ONLOGON /tr "'C:\Program Files\Google\Chrome\MusNotification.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Creates scheduled task(s)
PID:4432

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "MusNotificationM" /sc MINUTE /mo 5 /tr "'C:\Program Files\Google\Chrome\MusNotification.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Creates scheduled task(s)
PID:2000

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "backgroundTaskHostb" /sc MINUTE /mo 11 /tr "'C:\Program Files\WindowsPowerShell\Modules\backgroundTaskHost.exe'" /f
1⤵
- Process spawned unexpected child process
- Creates scheduled task(s)
PID:3936

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "backgroundTaskHost" /sc ONLOGON /tr "'C:\Program Files\WindowsPowerShell\Modules\backgroundTaskHost.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Creates scheduled task(s)
PID:5108

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "backgroundTaskHostb" /sc MINUTE /mo 5 /tr "'C:\Program Files\WindowsPowerShell\Modules\backgroundTaskHost.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Creates scheduled task(s)
PID:464

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "dllhostd" /sc MINUTE /mo 8 /tr "'C:\Program Files\Windows Security\BrowserCore\en-US\dllhost.exe'" /f
1⤵
- Process spawned unexpected child process
- Creates scheduled task(s)
PID:2388

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "dllhost" /sc ONLOGON /tr "'C:\Program Files\Windows Security\BrowserCore\en-US\dllhost.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Creates scheduled task(s)
PID:1236

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "dllhostd" /sc MINUTE /mo 14 /tr "'C:\Program Files\Windows Security\BrowserCore\en-US\dllhost.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Creates scheduled task(s)
PID:1360

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

PowerShell

Scheduled Task/Job

Persistence

Boot or Logon Autostart Execution

2

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Winlogon Helper DLL

Scheduled Task/Job

Privilege Escalation

Boot or Logon Autostart Execution

2

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Winlogon Helper DLL

1

T1547.004

Abuse Elevation Control Mechanism

1

T1548

Bypass User Account Control

Scheduled Task/Job

Defense Evasion

Modify Registry

4

T1112

Abuse Elevation Control Mechanism

1

T1548

Bypass User Account Control

1

T1548.002

Impair Defenses

1

T1562

Disable or Modify Tools

1

T1562.001

Credential Access

Discovery

Query Registry

2

T1012

System Information Discovery

3

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

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Downloads

C:\Program Files\Mozilla Firefox\browser\VisualElements\fontdrvhost.exe
Filesize
2.7MB

MD5
8a988516d37df432161e208d0d8c42bd

SHA1
58598135c7dced1b5266814edc5e44afc5dda59f

SHA256
ce8abab7abf2a2ed224d8c9a3fe10114547c743518e905765b8d8ef76500cabc

SHA512
f546d5ab0de84baa5a580a576df5ed19e90b220501b0f251932fec9755391b8cb7b6080f523fe79322ea25fbca44eaf2bd6f600d94d7e090b624d3f86852e6a3

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_y40l0xae.obm.ps1
Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/1552-96-0x00000212A3700000-0x00000212A3722000-memory.dmp

Filesize
136KB

Download
memory/3628-16-0x000000001C280000-0x000000001C28C000-memory.dmp

Filesize
48KB

Download
memory/3628-5-0x000000001C1B0000-0x000000001C200000-memory.dmp

Filesize
320KB

Download
memory/3628-17-0x000000001C290000-0x000000001C298000-memory.dmp

Filesize
32KB

Download
memory/3628-4-0x000000001C140000-0x000000001C15C000-memory.dmp

Filesize
112KB

Download
memory/3628-3-0x0000000003080000-0x0000000003088000-memory.dmp

Filesize
32KB

Download
memory/3628-8-0x000000001C160000-0x000000001C176000-memory.dmp

Filesize
88KB

Download
memory/3628-9-0x000000001C180000-0x000000001C188000-memory.dmp

Filesize
32KB

Download
memory/3628-10-0x000000001C1A0000-0x000000001C1A8000-memory.dmp

Filesize
32KB

Download
memory/3628-11-0x000000001C190000-0x000000001C1A0000-memory.dmp

Filesize
64KB

Download
memory/3628-12-0x000000001C200000-0x000000001C20A000-memory.dmp

Filesize
40KB

Download
memory/3628-13-0x000000001C210000-0x000000001C266000-memory.dmp

Filesize
344KB

Download
memory/3628-14-0x000000001C260000-0x000000001C268000-memory.dmp

Filesize
32KB

Download
memory/3628-15-0x000000001C270000-0x000000001C278000-memory.dmp

Filesize
32KB

Download
memory/3628-0-0x00007FFFFD8A3000-0x00007FFFFD8A5000-memory.dmp

Filesize
8KB

Download
memory/3628-112-0x00007FFFFD8A0000-0x00007FFFFE361000-memory.dmp

Filesize
10.8MB

Download
memory/3628-6-0x0000000003090000-0x0000000003098000-memory.dmp

Filesize
32KB

Download
memory/3628-19-0x000000001C2B0000-0x000000001C2BC000-memory.dmp

Filesize
48KB

Download
memory/3628-20-0x000000001C3D0000-0x000000001C3D8000-memory.dmp

Filesize
32KB

Download
memory/3628-23-0x000000001C4F0000-0x000000001C4FC000-memory.dmp

Filesize
48KB

Download
memory/3628-22-0x000000001C3E0000-0x000000001C3EC000-memory.dmp

Filesize
48KB

Download
memory/3628-21-0x000000001C3C0000-0x000000001C3C8000-memory.dmp

Filesize
32KB

Download
memory/3628-24-0x000000001C500000-0x000000001C508000-memory.dmp

Filesize
32KB

Download
memory/3628-26-0x00007FFFFD8A0000-0x00007FFFFE361000-memory.dmp

Filesize
10.8MB

Download
memory/3628-27-0x000000001C520000-0x000000001C52C000-memory.dmp

Filesize
48KB

Download
memory/3628-25-0x000000001C510000-0x000000001C51A000-memory.dmp

Filesize
40KB

Download
memory/3628-30-0x00007FFFFD8A0000-0x00007FFFFE361000-memory.dmp

Filesize
10.8MB

Download
memory/3628-7-0x000000001BA20000-0x000000001BA30000-memory.dmp

Filesize
64KB

Download
memory/3628-2-0x00007FFFFD8A0000-0x00007FFFFE361000-memory.dmp

Filesize
10.8MB

Download
memory/3628-1-0x0000000000C40000-0x0000000000F00000-memory.dmp

Filesize
2.8MB

Download
memory/3628-18-0x000000001C2A0000-0x000000001C2AC000-memory.dmp

Filesize
48KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

Replay Monitor

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Downloads