4ad18701b8a5839c50f968e152b0e80d2c9abad36bdf0172d5b92c0ef6d7a58b

Analysis

user interaction
yes
max time kernel
149s
max time network
151s
platform
windows11-21h2_x64
resource
win11-20260130-en
resource tags

arch:x64arch:x86image:win11-20260130-enlocale:en-usos:windows11-21h2-x64systemwindows
submitted
19/04/2026, 11:38

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General

Target
Client.exe
Size 25KB
Sample260419-nrsd3sd151
SHA256 4ad18701b8a5839c50f968e152b0e80d2c9abad36bdf0172d5b92c0ef6d7a58b
MD5 7c51c15a28250d2f0d62b649a211cd84
SHA1 ce1d2cb5b6a54c3f6421118e9f67ad8a58b9b0b9
SHA512 f0c48f851629b820887f75a7ca07fa736289a65f3b1ec80d708b9e9fbabfc801c5bcdc322cfb7f2c45701c5bc304db91fb55684ad6f3a1e1257f26881bd90f80
SSDEEP 384:jIbSatoaSw1tIzmlVup/8MLeP3jciwtvbHjBZng+dizAuKqOOTnnaQ3cKI:MbBoaSEtIylQ63AtvbjR4zAuqhKI
TLSH
T171C2E1B15781C336D1FE17B0581302A647F957C3EEA2CF3EA2E5CBAA1E1AE611C52570
MD5 SHA1 SHA512 SSDEEP TLSH

Score

10^/10

defense_evasion discovery execution persistence privilege_escalation

Malware Config

Signatures

Modifies WinLogon for persistence 2 TTPs 1 IoCs

persistence

Winlogon Helper DLL

T1547.004

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2122505878-652277452-2375749442-1000\Software\Microsoft\Windows NT\CurrentVersion\Winlogon\Userinit = "C:\\ProgramData\\1ed6b1a7.exe,"	1ed6b1a7.exe

Boot or Logon Autostart Execution: Port Monitors 1 TTPs 2 IoCs

Adversaries may use port monitors to run an adversary supplied DLL during system boot for persistence or privilege escalation.

persistence

Port Monitors

T1547.010

description	ioc	Process
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\Print\Monitors\WindowsUpdate	1ed6b1a7.exe
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\Print\Monitors\WindowsUpdate\Driver = "C:\\ProgramData\\1ed6b1a7.exe"	1ed6b1a7.exe

Disables RegEdit via registry modification 6 IoCs

defense_evasion

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\DisableRegistryTools = "1"	1ed6b1a7.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2122505878-652277452-2375749442-1000\Software\Microsoft\Windows\CurrentVersion\Policies\System\DisableRegistryTools = "1"	1ed6b1a7.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\DisableRegistryTools = "1"	1ed6b1a7.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2122505878-652277452-2375749442-1000\Software\Microsoft\Windows\CurrentVersion\Policies\System\DisableRegistryTools = "1"	1ed6b1a7.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\DisableRegistryTools = "1"	1ed6b1a7.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2122505878-652277452-2375749442-1000\Software\Microsoft\Windows\CurrentVersion\Policies\System\DisableRegistryTools = "1"	1ed6b1a7.exe

Disables Task Manager via registry modification
defense_evasion

Event Triggered Execution: Image File Execution Options Injection 1 TTPs 2 IoCs

persistence

Image File Execution Options Injection

T1546.012

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\GlobalFlag	1ed6b1a7.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\GlobalFlag\GlobalFlag = "131072"	1ed6b1a7.exe

Modifies Shared Task Scheduler registry keys 2 TTPs 4 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\SharedTaskScheduler	1ed6b1a7.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\SharedTaskScheduler\4e7859fe-5b78-47b2-a27e-c5e5a7e7dc6d = "C:\\ProgramData\\1ed6b1a7.exe"	1ed6b1a7.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\SharedTaskScheduler\da64780f-a999-4ff9-85d2-b21ca01b9a83 = "C:\\ProgramData\\1ed6b1a7.exe"	1ed6b1a7.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\SharedTaskScheduler\a6a7a699-4f3b-4111-8445-e4e78fe5230a = "C:\\ProgramData\\1ed6b1a7.exe"	1ed6b1a7.exe

Drops startup file 1 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Word\STARTUP\update.exe	1ed6b1a7.exe

Event Triggered Execution: Component Object Model Hijacking 1 TTPs
Adversaries may establish persistence by executing malicious content triggered by hijacked references to Component Object Model (COM) objects.
persistence privilege_escalation

Component Object Model Hijacking
T1546.015

Executes dropped EXE 5 IoCs

pid	Process
5300	svchost.exe
5256	ShellHost.exe
816	1ed6b1a7.exe
5892	1ed6b1a7.exe
4716	1ed6b1a7.exe

Modifies file permissions 1 TTPs 4 IoCs

discovery

File and Directory Permissions Modification

T1222

pid	Process
5500	icacls.exe
3656	icacls.exe
5512	icacls.exe
5616	icacls.exe

Adds Run key to start application 2 TTPs 4 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\WindowsUpdate = "C:\\ProgramData\\1ed6b1a7.exe"	1ed6b1a7.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2122505878-652277452-2375749442-1000\Software\Microsoft\Windows\CurrentVersion\Run\WindowsUpdate = "C:\\ProgramData\\1ed6b1a7.exe"	1ed6b1a7.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2122505878-652277452-2375749442-1000\Software\Microsoft\Windows\CurrentVersion\Run\WindowsUpdate = "C:\\ProgramData\\1ed6b1a7.exe"	1ed6b1a7.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2122505878-652277452-2375749442-1000\Software\Microsoft\Windows\CurrentVersion\Run\WindowsUpdate = "C:\\ProgramData\\1ed6b1a7.exe"	1ed6b1a7.exe

Drops file in System32 directory 8 IoCs

description	ioc	Process
File created	C:\Windows\System32\65dc1a62\winlogon.exe	1ed6b1a7.exe
File opened for modification	C:\Windows\System32\65dc1a62\winlogon.exe	1ed6b1a7.exe
File created	C:\Windows\System32\WindowsPowerShell\v1.0\profile.ps1	1ed6b1a7.exe
File opened for modification	C:\Windows\SysWOW64\license.rtf	WINWORD.EXE
File created	C:\Windows\SysWOW64\~$icense.rtf	WINWORD.EXE
File opened for modification	C:\Windows\System32\65dc1a62	1ed6b1a7.exe
File created	C:\Windows\System32\65dc1a62\wininit.exe	1ed6b1a7.exe
File opened for modification	C:\Windows\System32\65dc1a62\wininit.exe	1ed6b1a7.exe

Boot or Logon Autostart Execution: Time Providers 1 TTPs 2 IoCs

The Windows Time service (W32Time) enables time synchronization across and within domains.

persistence

Time Providers

T1547.003

description	ioc	Process
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\W32Time\TimeProviders\WindowsUpdate	1ed6b1a7.exe
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\W32Time\TimeProviders\WindowsUpdate\DllName = "C:\\ProgramData\\1ed6b1a7.exe"	1ed6b1a7.exe

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

System Information Discovery
T1082

Event Triggered Execution: Netsh Helper DLL 1 TTPs 3 IoCs

Netsh.exe (also referred to as Netshell) is a command-line scripting utility used to interact with the network configuration of a system.

persistence privilege_escalation

Netsh Helper DLL

T1546.007

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Netsh	1ed6b1a7.exe
Key opened	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Netsh	1ed6b1a7.exe
Key opened	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Netsh	1ed6b1a7.exe

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

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe

Checks processor information in registry 2 TTPs 3 IoCs

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

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	WINWORD.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	WINWORD.EXE
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	WINWORD.EXE

Enumerates system info in registry 2 TTPs 3 IoCs

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\BIOS	WINWORD.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily	WINWORD.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU	WINWORD.EXE

Modifies Control Panel 1 IoCs

defense_evasion

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2122505878-652277452-2375749442-1000\Control Panel\Desktop\SCRNSAVE.EXE = "C:\\ProgramData\\1ed6b1a7.exe"	1ed6b1a7.exe

Modifies registry class 36 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2122505878-652277452-2375749442-1000_Classes\CLSID\{6c0a9c20-58ad-4cd5-aa32-e1a9521cb3ca}\LocalServer32\ = "C:\\ProgramData\\1ed6b1a7.exe"	1ed6b1a7.exe
Key created	\REGISTRY\USER\S-1-5-21-2122505878-652277452-2375749442-1000_Classes\CLSID\{d702eac5-47d0-4067-9a52-2bdffcecf0ae}	1ed6b1a7.exe
Key created	\REGISTRY\USER\S-1-5-21-2122505878-652277452-2375749442-1000_Classes\Folder	1ed6b1a7.exe
Key created	\REGISTRY\USER\S-1-5-21-2122505878-652277452-2375749442-1000_Classes\*\shell\OpenWithWindowsUpdate	1ed6b1a7.exe
Key created	\REGISTRY\USER\S-1-5-21-2122505878-652277452-2375749442-1000_Classes\CLSID\{6c0a9c20-58ad-4cd5-aa32-e1a9521cb3ca}\LocalServer32	1ed6b1a7.exe
Key created	\REGISTRY\USER\S-1-5-21-2122505878-652277452-2375749442-1000_Classes\CLSID	1ed6b1a7.exe
Key created	\REGISTRY\USER\S-1-5-21-2122505878-652277452-2375749442-1000_Classes\CLSID\{b06c4ecf-1801-4cb7-9b5e-bf0086f3d82a}\InprocServer32	1ed6b1a7.exe
Key created	\REGISTRY\USER\S-1-5-21-2122505878-652277452-2375749442-1000_Classes\Directory\shell	1ed6b1a7.exe
Key created	\REGISTRY\USER\S-1-5-21-2122505878-652277452-2375749442-1000_Classes\CLSID	1ed6b1a7.exe
Key created	\REGISTRY\USER\S-1-5-21-2122505878-652277452-2375749442-1000_Classes\CLSID\{04e263ff-d265-4d9e-baa1-b141a08288ba}	1ed6b1a7.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2122505878-652277452-2375749442-1000_Classes\CLSID\{04e263ff-d265-4d9e-baa1-b141a08288ba}\InprocServer32\ = "C:\\ProgramData\\1ed6b1a7.exe"	1ed6b1a7.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2122505878-652277452-2375749442-1000_Classes\CLSID\{d702eac5-47d0-4067-9a52-2bdffcecf0ae}\LocalServer32\ = "C:\\ProgramData\\1ed6b1a7.exe"	1ed6b1a7.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2122505878-652277452-2375749442-1000_Classes\CLSID\{b06c4ecf-1801-4cb7-9b5e-bf0086f3d82a}\InprocServer32\ = "C:\\ProgramData\\1ed6b1a7.exe"	1ed6b1a7.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2122505878-652277452-2375749442-1000_Classes\CLSID\{6f7ae096-dee2-4b1a-8843-f6d3a2fd0d37}\LocalServer32\ = "C:\\ProgramData\\1ed6b1a7.exe"	1ed6b1a7.exe
Key created	\REGISTRY\USER\S-1-5-21-2122505878-652277452-2375749442-1000_Classes\*	1ed6b1a7.exe
Key created	\REGISTRY\USER\S-1-5-21-2122505878-652277452-2375749442-1000_Classes\Directory\shell\OpenWithWindowsUpdate\command	1ed6b1a7.exe
Key created	\REGISTRY\USER\S-1-5-21-2122505878-652277452-2375749442-1000_Classes\CLSID\{b06c4ecf-1801-4cb7-9b5e-bf0086f3d82a}	1ed6b1a7.exe
Key created	\REGISTRY\USER\S-1-5-21-2122505878-652277452-2375749442-1000_Classes\CLSID\{6f7ae096-dee2-4b1a-8843-f6d3a2fd0d37}	1ed6b1a7.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2122505878-652277452-2375749442-1000_Classes\*\shell\OpenWithWindowsUpdate\command\ = "C:\\ProgramData\\1ed6b1a7.exe"	1ed6b1a7.exe
Key created	\REGISTRY\USER\S-1-5-21-2122505878-652277452-2375749442-1000_Classes\CLSID\{1206354a-c12e-47b7-9b90-1da83f16eadf}\InprocServer32	1ed6b1a7.exe
Key created	\REGISTRY\USER\S-1-5-21-2122505878-652277452-2375749442-1000_Classes\*\shell	1ed6b1a7.exe
Key created	\REGISTRY\USER\S-1-5-21-2122505878-652277452-2375749442-1000_Classes\Folder\shell\OpenWithWindowsUpdate	1ed6b1a7.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2122505878-652277452-2375749442-1000_Classes\Folder\shell\OpenWithWindowsUpdate\command\ = "C:\\ProgramData\\1ed6b1a7.exe"	1ed6b1a7.exe
Key created	\REGISTRY\USER\S-1-5-21-2122505878-652277452-2375749442-1000_Classes\Directory	1ed6b1a7.exe
Key created	\REGISTRY\USER\S-1-5-21-2122505878-652277452-2375749442-1000_Classes\CLSID\{04e263ff-d265-4d9e-baa1-b141a08288ba}\InprocServer32	1ed6b1a7.exe
Key created	\REGISTRY\USER\S-1-5-21-2122505878-652277452-2375749442-1000_Classes\CLSID\{6c0a9c20-58ad-4cd5-aa32-e1a9521cb3ca}	1ed6b1a7.exe
Key created	\REGISTRY\USER\S-1-5-21-2122505878-652277452-2375749442-1000_Classes\CLSID\{1206354a-c12e-47b7-9b90-1da83f16eadf}	1ed6b1a7.exe
Key created	\REGISTRY\USER\S-1-5-21-2122505878-652277452-2375749442-1000_Classes\CLSID	1ed6b1a7.exe
Key created	\REGISTRY\USER\S-1-5-21-2122505878-652277452-2375749442-1000_Classes\CLSID\{6f7ae096-dee2-4b1a-8843-f6d3a2fd0d37}\LocalServer32	1ed6b1a7.exe
Key created	\REGISTRY\USER\S-1-5-21-2122505878-652277452-2375749442-1000_Classes\*\shell\OpenWithWindowsUpdate\command	1ed6b1a7.exe
Key created	\REGISTRY\USER\S-1-5-21-2122505878-652277452-2375749442-1000_Classes\Folder\shell\OpenWithWindowsUpdate\command	1ed6b1a7.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2122505878-652277452-2375749442-1000_Classes\Directory\shell\OpenWithWindowsUpdate\command\ = "C:\\ProgramData\\1ed6b1a7.exe"	1ed6b1a7.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2122505878-652277452-2375749442-1000_Classes\CLSID\{1206354a-c12e-47b7-9b90-1da83f16eadf}\InprocServer32\ = "C:\\ProgramData\\1ed6b1a7.exe"	1ed6b1a7.exe
Key created	\REGISTRY\USER\S-1-5-21-2122505878-652277452-2375749442-1000_Classes\CLSID\{d702eac5-47d0-4067-9a52-2bdffcecf0ae}\LocalServer32	1ed6b1a7.exe
Key created	\REGISTRY\USER\S-1-5-21-2122505878-652277452-2375749442-1000_Classes\Folder\shell	1ed6b1a7.exe
Key created	\REGISTRY\USER\S-1-5-21-2122505878-652277452-2375749442-1000_Classes\Directory\shell\OpenWithWindowsUpdate	1ed6b1a7.exe

Scheduled Task/Job: Scheduled Task 1 TTPs 16 IoCs

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

persistence execution

Scheduled Task

T1053.005

pid	Process
4728	schtasks.exe
5192	schtasks.exe
4428	schtasks.exe
248	schtasks.exe
6076	schtasks.exe
5652	schtasks.exe
3164	schtasks.exe
4968	schtasks.exe
3148	schtasks.exe
5732	schtasks.exe
3844	schtasks.exe
3636	schtasks.exe
5804	schtasks.exe
5244	schtasks.exe
3344	schtasks.exe
3120	schtasks.exe

Suspicious behavior: AddClipboardFormatListener 2 IoCs

pid	Process
5816	WINWORD.EXE
5816	WINWORD.EXE

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
5256	ShellHost.exe
5256	ShellHost.exe
816	1ed6b1a7.exe
816	1ed6b1a7.exe
816	1ed6b1a7.exe
816	1ed6b1a7.exe
5892	1ed6b1a7.exe
5892	1ed6b1a7.exe
816	1ed6b1a7.exe
5892	1ed6b1a7.exe
816	1ed6b1a7.exe
5892	1ed6b1a7.exe
816	1ed6b1a7.exe
5892	1ed6b1a7.exe
816	1ed6b1a7.exe
5892	1ed6b1a7.exe
816	1ed6b1a7.exe
5892	1ed6b1a7.exe
816	1ed6b1a7.exe
5892	1ed6b1a7.exe
816	1ed6b1a7.exe
5892	1ed6b1a7.exe
816	1ed6b1a7.exe
5892	1ed6b1a7.exe
816	1ed6b1a7.exe
5892	1ed6b1a7.exe
816	1ed6b1a7.exe
5892	1ed6b1a7.exe
816	1ed6b1a7.exe
5892	1ed6b1a7.exe
816	1ed6b1a7.exe
5892	1ed6b1a7.exe
816	1ed6b1a7.exe
5892	1ed6b1a7.exe
816	1ed6b1a7.exe
5892	1ed6b1a7.exe
816	1ed6b1a7.exe
5892	1ed6b1a7.exe
816	1ed6b1a7.exe
5892	1ed6b1a7.exe
816	1ed6b1a7.exe
5892	1ed6b1a7.exe
816	1ed6b1a7.exe
5892	1ed6b1a7.exe
816	1ed6b1a7.exe
5892	1ed6b1a7.exe
816	1ed6b1a7.exe
5892	1ed6b1a7.exe
816	1ed6b1a7.exe
5892	1ed6b1a7.exe
816	1ed6b1a7.exe
5892	1ed6b1a7.exe
4716	1ed6b1a7.exe
4716	1ed6b1a7.exe
816	1ed6b1a7.exe
5892	1ed6b1a7.exe
4716	1ed6b1a7.exe
816	1ed6b1a7.exe
5892	1ed6b1a7.exe
4716	1ed6b1a7.exe
816	1ed6b1a7.exe
5892	1ed6b1a7.exe
4716	1ed6b1a7.exe
816	1ed6b1a7.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	5256	ShellHost.exe
Token: SeDebugPrivilege	816	1ed6b1a7.exe
Token: SeDebugPrivilege	5892	1ed6b1a7.exe
Token: SeDebugPrivilege	4716	1ed6b1a7.exe

Suspicious use of SetWindowsHookEx 7 IoCs

pid	Process
5816	WINWORD.EXE
5816	WINWORD.EXE
5816	WINWORD.EXE
5816	WINWORD.EXE
5816	WINWORD.EXE
5816	WINWORD.EXE
5816	WINWORD.EXE

Suspicious use of WriteProcessMemory 47 IoCs

description	pid	Process	procid_target
PID 3640 wrote to memory of 5300	3640	Client.exe	80
PID 3640 wrote to memory of 5256	3640	Client.exe	81
PID 5256 wrote to memory of 5500	5256	ShellHost.exe	82
PID 5256 wrote to memory of 816	5256	ShellHost.exe	84
PID 816 wrote to memory of 3656	816	1ed6b1a7.exe	85
PID 816 wrote to memory of 5512	816	1ed6b1a7.exe	87
PID 816 wrote to memory of 5616	816	1ed6b1a7.exe	89
PID 816 wrote to memory of 1904	816	1ed6b1a7.exe	91
PID 5892 wrote to memory of 5788	5892	1ed6b1a7.exe	95
PID 816 wrote to memory of 6076	816	1ed6b1a7.exe	97
PID 816 wrote to memory of 6084	816	1ed6b1a7.exe	98
PID 5892 wrote to memory of 5732	5892	1ed6b1a7.exe	101
PID 5892 wrote to memory of 5724	5892	1ed6b1a7.exe	102
PID 816 wrote to memory of 5804	816	1ed6b1a7.exe	105
PID 816 wrote to memory of 1432	816	1ed6b1a7.exe	106
PID 5892 wrote to memory of 4728	5892	1ed6b1a7.exe	109
PID 5892 wrote to memory of 4576	5892	1ed6b1a7.exe	110
PID 816 wrote to memory of 5652	816	1ed6b1a7.exe	113
PID 816 wrote to memory of 5476	816	1ed6b1a7.exe	114
PID 5892 wrote to memory of 5244	5892	1ed6b1a7.exe	117
PID 5892 wrote to memory of 4432	5892	1ed6b1a7.exe	118
PID 816 wrote to memory of 3344	816	1ed6b1a7.exe	121
PID 816 wrote to memory of 3964	816	1ed6b1a7.exe	122
PID 5892 wrote to memory of 3844	5892	1ed6b1a7.exe	125
PID 5892 wrote to memory of 5016	5892	1ed6b1a7.exe	126
PID 816 wrote to memory of 3120	816	1ed6b1a7.exe	129
PID 816 wrote to memory of 2024	816	1ed6b1a7.exe	130
PID 5892 wrote to memory of 3636	5892	1ed6b1a7.exe	133
PID 5892 wrote to memory of 4692	5892	1ed6b1a7.exe	134
PID 816 wrote to memory of 5192	816	1ed6b1a7.exe	137
PID 816 wrote to memory of 5188	816	1ed6b1a7.exe	138
PID 5892 wrote to memory of 3164	5892	1ed6b1a7.exe	141
PID 5892 wrote to memory of 4652	5892	1ed6b1a7.exe	142
PID 816 wrote to memory of 4428	816	1ed6b1a7.exe	145
PID 816 wrote to memory of 1660	816	1ed6b1a7.exe	146
PID 5892 wrote to memory of 4968	5892	1ed6b1a7.exe	149
PID 5892 wrote to memory of 1700	5892	1ed6b1a7.exe	150
PID 816 wrote to memory of 248	816	1ed6b1a7.exe	153
PID 5892 wrote to memory of 3148	5892	1ed6b1a7.exe	155
PID 4716 wrote to memory of 2236	4716	1ed6b1a7.exe	163
PID 4716 wrote to memory of 3428	4716	1ed6b1a7.exe	165
PID 4716 wrote to memory of 3808	4716	1ed6b1a7.exe	167
PID 4716 wrote to memory of 736	4716	1ed6b1a7.exe	169
PID 4716 wrote to memory of 780	4716	1ed6b1a7.exe	171
PID 4716 wrote to memory of 2164	4716	1ed6b1a7.exe	173
PID 4716 wrote to memory of 3240	4716	1ed6b1a7.exe	175
PID 4716 wrote to memory of 5172	4716	1ed6b1a7.exe	177

System policy modification 1 TTPs 6 IoCs

defense_evasion

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\DisableTaskMgr = "1"	1ed6b1a7.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\DisableTaskMgr = "1"	1ed6b1a7.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\DisableRegistryTools = "1"	1ed6b1a7.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\DisableRegistryTools = "1"	1ed6b1a7.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\DisableTaskMgr = "1"	1ed6b1a7.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\DisableRegistryTools = "1"	1ed6b1a7.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\Client.exe
"C:\Users\Admin\AppData\Local\Temp\Client.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:3640
- C:\Users\Admin\AppData\Local\Temp\sfx_54d1bf61-e758-4d62-87b9-159e30db0b8e\svchost.exe
  "C:\Users\Admin\AppData\Local\Temp\sfx_54d1bf61-e758-4d62-87b9-159e30db0b8e\svchost.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:5300
- C:\Users\Admin\AppData\Local\Temp\sfx_54d1bf61-e758-4d62-87b9-159e30db0b8e\ShellHost.exe
  "C:\Users\Admin\AppData\Local\Temp\sfx_54d1bf61-e758-4d62-87b9-159e30db0b8e\ShellHost.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:5256
- - C:\Windows\System32\icacls.exe
    "C:\Windows\System32\icacls.exe" "C:\ProgramData\1ed6b1a7.exe" /deny Everyone:(DE,WD)
    3⤵
    - Modifies file permissions
    PID:5500
- - C:\ProgramData\1ed6b1a7.exe
    "C:\ProgramData\1ed6b1a7.exe"
    3⤵
    - Modifies WinLogon for persistence
    - Boot or Logon Autostart Execution: Port Monitors
    - Disables RegEdit via registry modification
    - Event Triggered Execution: Image File Execution Options Injection
    - Modifies Shared Task Scheduler registry keys
    - Drops startup file
    - Executes dropped EXE
    - Adds Run key to start application
    - Drops file in System32 directory
    - Boot or Logon Autostart Execution: Time Providers
    - Event Triggered Execution: Netsh Helper DLL
    - Modifies Control Panel
    - Modifies registry class
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    - System policy modification
    PID:816
  - - C:\Windows\System32\icacls.exe
      "C:\Windows\System32\icacls.exe" "C:\Windows\System32\65dc1a62\wininit.exe" /deny Everyone:(DE,WD)
      4⤵
      Modifies file permissions
      PID:3656
  - - C:\Windows\System32\icacls.exe
      "C:\Windows\System32\icacls.exe" "C:\Windows\System32\65dc1a62\winlogon.exe" /deny Everyone:(DE,WD)
      4⤵
      Modifies file permissions
      PID:5512
  - - C:\Windows\System32\icacls.exe
      "C:\Windows\System32\icacls.exe" "C:\ProgramData\1ed6b1a7.exe" /deny Everyone:(DE,WD)
      4⤵
      Modifies file permissions
      PID:5616
  - - C:\Windows\SYSTEM32\schtasks.exe
      "schtasks" /query /tn "WindowsUpdate"
      4⤵
      PID:1904
  - - C:\Windows\SYSTEM32\schtasks.exe
      "schtasks" /create /tn "WindowsUpdate" /tr "C:\ProgramData\1ed6b1a7.exe" /sc onlogon /rl highest /f
      4⤵
      Scheduled Task/Job: Scheduled Task
      PID:6076
  - - C:\Windows\SYSTEM32\schtasks.exe
      "schtasks" /query /tn "WindowsUpdateStartup"
      4⤵
      PID:6084
  - - C:\Windows\SYSTEM32\schtasks.exe
      "schtasks" /create /tn "WindowsUpdateStartup" /tr "C:\ProgramData\1ed6b1a7.exe" /sc onstart /rl highest /f
      4⤵
      Scheduled Task/Job: Scheduled Task
      PID:5804
  - - C:\Windows\SYSTEM32\schtasks.exe
      "schtasks" /query /tn "WindowsUpdateIdle"
      4⤵
      PID:1432
  - - C:\Windows\SYSTEM32\schtasks.exe
      "schtasks" /create /tn "WindowsUpdateIdle" /tr "C:\ProgramData\1ed6b1a7.exe" /sc onidle /i 1 /rl highest /f
      4⤵
      Scheduled Task/Job: Scheduled Task
      PID:5652
  - - C:\Windows\SYSTEM32\schtasks.exe
      "schtasks" /query /tn "WindowsUpdateHourly"
      4⤵
      PID:5476
  - - C:\Windows\SYSTEM32\schtasks.exe
      "schtasks" /create /tn "WindowsUpdateHourly" /tr "C:\ProgramData\1ed6b1a7.exe" /sc hourly /mo 1 /rl highest /f
      4⤵
      Scheduled Task/Job: Scheduled Task
      PID:3344
  - - C:\Windows\SYSTEM32\schtasks.exe
      "schtasks" /query /tn "WindowsUpdateDaily"
      4⤵
      PID:3964
  - - C:\Windows\SYSTEM32\schtasks.exe
      "schtasks" /create /tn "WindowsUpdateDaily" /tr "C:\ProgramData\1ed6b1a7.exe" /sc daily /rl highest /f
      4⤵
      Scheduled Task/Job: Scheduled Task
      PID:3120
  - - C:\Windows\SYSTEM32\schtasks.exe
      "schtasks" /query /tn "WindowsUpdateWeekly"
      4⤵
      PID:2024
  - - C:\Windows\SYSTEM32\schtasks.exe
      "schtasks" /create /tn "WindowsUpdateWeekly" /tr "C:\ProgramData\1ed6b1a7.exe" /sc weekly /d MON /rl highest /f
      4⤵
      Scheduled Task/Job: Scheduled Task
      PID:5192
  - - C:\Windows\SYSTEM32\schtasks.exe
      "schtasks" /query /tn "WindowsUpdateEventSystem"
      4⤵
      PID:5188
  - - C:\Windows\SYSTEM32\schtasks.exe
      "schtasks" /create /tn "WindowsUpdateEventSystem" /tr "C:\ProgramData\1ed6b1a7.exe" /sc onevent /ec System /mo *[System[EventID=1]] /rl highest /f
      4⤵
      Scheduled Task/Job: Scheduled Task
      PID:4428
  - - C:\Windows\SYSTEM32\schtasks.exe
      "schtasks" /query /tn "WindowsUpdateEventSecurity"
      4⤵
      PID:1660
  - - C:\Windows\SYSTEM32\schtasks.exe
      "schtasks" /create /tn "WindowsUpdateEventSecurity" /tr "C:\ProgramData\1ed6b1a7.exe" /sc onevent /ec Security /mo *[System[EventID=4624]] /rl highest /f
      4⤵
      Scheduled Task/Job: Scheduled Task
      PID:248

C:\ProgramData\1ed6b1a7.exe
C:\ProgramData\1ed6b1a7.exe
1⤵
- Disables RegEdit via registry modification
- Modifies Shared Task Scheduler registry keys
- Executes dropped EXE
- Adds Run key to start application
- Event Triggered Execution: Netsh Helper DLL
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
- System policy modification
PID:5892
- C:\Windows\system32\schtasks.exe
  "schtasks" /query /tn "WindowsUpdate"
  2⤵
  PID:5788
- C:\Windows\system32\schtasks.exe
  "schtasks" /create /tn "WindowsUpdate" /tr "C:\ProgramData\1ed6b1a7.exe" /sc onlogon /rl highest /f
  2⤵
  - Scheduled Task/Job: Scheduled Task
  PID:5732
- C:\Windows\system32\schtasks.exe
  "schtasks" /query /tn "WindowsUpdateStartup"
  2⤵
  PID:5724
- C:\Windows\system32\schtasks.exe
  "schtasks" /create /tn "WindowsUpdateStartup" /tr "C:\ProgramData\1ed6b1a7.exe" /sc onstart /rl highest /f
  2⤵
  - Scheduled Task/Job: Scheduled Task
  PID:4728
- C:\Windows\system32\schtasks.exe
  "schtasks" /query /tn "WindowsUpdateIdle"
  2⤵
  PID:4576
- C:\Windows\system32\schtasks.exe
  "schtasks" /create /tn "WindowsUpdateIdle" /tr "C:\ProgramData\1ed6b1a7.exe" /sc onidle /i 1 /rl highest /f
  2⤵
  - Scheduled Task/Job: Scheduled Task
  PID:5244
- C:\Windows\system32\schtasks.exe
  "schtasks" /query /tn "WindowsUpdateHourly"
  2⤵
  PID:4432
- C:\Windows\system32\schtasks.exe
  "schtasks" /create /tn "WindowsUpdateHourly" /tr "C:\ProgramData\1ed6b1a7.exe" /sc hourly /mo 1 /rl highest /f
  2⤵
  - Scheduled Task/Job: Scheduled Task
  PID:3844
- C:\Windows\system32\schtasks.exe
  "schtasks" /query /tn "WindowsUpdateDaily"
  2⤵
  PID:5016
- C:\Windows\system32\schtasks.exe
  "schtasks" /create /tn "WindowsUpdateDaily" /tr "C:\ProgramData\1ed6b1a7.exe" /sc daily /rl highest /f
  2⤵
  - Scheduled Task/Job: Scheduled Task
  PID:3636
- C:\Windows\system32\schtasks.exe
  "schtasks" /query /tn "WindowsUpdateWeekly"
  2⤵
  PID:4692
- C:\Windows\system32\schtasks.exe
  "schtasks" /create /tn "WindowsUpdateWeekly" /tr "C:\ProgramData\1ed6b1a7.exe" /sc weekly /d MON /rl highest /f
  2⤵
  - Scheduled Task/Job: Scheduled Task
  PID:3164
- C:\Windows\system32\schtasks.exe
  "schtasks" /query /tn "WindowsUpdateEventSystem"
  2⤵
  PID:4652
- C:\Windows\system32\schtasks.exe
  "schtasks" /create /tn "WindowsUpdateEventSystem" /tr "C:\ProgramData\1ed6b1a7.exe" /sc onevent /ec System /mo *[System[EventID=1]] /rl highest /f
  2⤵
  - Scheduled Task/Job: Scheduled Task
  PID:4968
- C:\Windows\system32\schtasks.exe
  "schtasks" /query /tn "WindowsUpdateEventSecurity"
  2⤵
  PID:1700
- C:\Windows\system32\schtasks.exe
  "schtasks" /create /tn "WindowsUpdateEventSecurity" /tr "C:\ProgramData\1ed6b1a7.exe" /sc onevent /ec Security /mo *[System[EventID=4624]] /rl highest /f
  2⤵
  - Scheduled Task/Job: Scheduled Task
  PID:3148

C:\Windows\System32\rundll32.exe
C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
1⤵
PID:4404

C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE
"C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE" /n "C:\Windows\SysWOW64\license.rtf" /o ""
1⤵
- Drops file in System32 directory
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
PID:5816

C:\ProgramData\1ed6b1a7.exe
C:\ProgramData\1ed6b1a7.exe
1⤵
- Disables RegEdit via registry modification
- Modifies Shared Task Scheduler registry keys
- Executes dropped EXE
- Adds Run key to start application
- Event Triggered Execution: Netsh Helper DLL
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
- System policy modification
PID:4716
- C:\Windows\system32\schtasks.exe
  "schtasks" /query /tn "WindowsUpdate"
  2⤵
  PID:2236
- C:\Windows\system32\schtasks.exe
  "schtasks" /query /tn "WindowsUpdateStartup"
  2⤵
  PID:3428
- C:\Windows\system32\schtasks.exe
  "schtasks" /query /tn "WindowsUpdateIdle"
  2⤵
  PID:3808
- C:\Windows\system32\schtasks.exe
  "schtasks" /query /tn "WindowsUpdateHourly"
  2⤵
  PID:736
- C:\Windows\system32\schtasks.exe
  "schtasks" /query /tn "WindowsUpdateDaily"
  2⤵
  PID:780
- C:\Windows\system32\schtasks.exe
  "schtasks" /query /tn "WindowsUpdateWeekly"
  2⤵
  PID:2164
- C:\Windows\system32\schtasks.exe
  "schtasks" /query /tn "WindowsUpdateEventSystem"
  2⤵
  PID:3240
- C:\Windows\system32\schtasks.exe
  "schtasks" /query /tn "WindowsUpdateEventSecurity"
  2⤵
  PID:5172

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Persistence

Boot or Logon Autostart Execution

T1547

Port Monitors

T1547.010

Registry Run Keys / Startup Folder

T1547.001

Time Providers

T1547.003

Winlogon Helper DLL

T1547.004

Event Triggered Execution

T1546

Component Object Model Hijacking

T1546.015

Image File Execution Options Injection

T1546.012

Netsh Helper DLL

T1546.007

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Port Monitors

T1547.010

Registry Run Keys / Startup Folder

T1547.001

Time Providers

T1547.003

Winlogon Helper DLL

T1547.004

Event Triggered Execution

T1546

Component Object Model Hijacking

T1546.015

Image File Execution Options Injection

T1546.012

Netsh Helper DLL

T1546.007

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Defense Evasion

File and Directory Permissions Modification

T1222

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

ShellHost.exe

Path C:\Users\Admin\AppData\Local\Temp\sfx_54d1bf61-e758-4d62-87b9-159e30db0b8e\ShellHost.exe
Size 28KB
SHA256 9ad7741f164c4c8f9bb34625f9efb7965948d8fd4c575edbaa9b858a25e85a69
MD5 2a537416fb3254eb021cb4c2d9d66d15
SHA1 86facfb07bbe748e5f8bef7370db03c4827c0e77
SHA512 96cc51766e790bae81856b9d67d20232bceaaca02a3c757af658993e2c92492455293c6e00a977f0b21026c1dd56e4df100fd12fd86305233a1818f0d31a87c2
SSDEEP 768:EQFg7UYguaek4E6EMXhs40Sbb3KUujjF:qUYguaek4EpMXhs4lbb3BujjF
TLSH
T114D28041F3F84529F7FBAB385C765A011676B99B0E21CA4E0D56408D08B3B62DA71F3B
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

svchost.exe

Path C:\Users\Admin\AppData\Local\Temp\sfx_54d1bf61-e758-4d62-87b9-159e30db0b8e\svchost.exe
Size 15KB
SHA256 e94eaae45af8eed5f921636d87f954816dd2618da99fdffb378a579114c77746
MD5 47ddeb83be4253194d564ce47ecac84a
SHA1 095a262f8b638db4815ef177a2eeeab2b9a835b6
SHA512 38b8ce4201e6f65b99b835133747b72a5ecc75374de27ae55995b5ea300f3d5c33c4e88dee8fd7cb30e16fb01cb717f73b586700ba7fb40fcf015121d5957cc3
SSDEEP 384:HO2IeT18l3DziHT8Bzk4g5W2A65P0Nd7SegW:F8JGHoBzk3r54d7Rg
TLSH
T19A622A03BF414DA2D3B045B418B4E99A817BBD311F25BAD77B808E6E0575AC1EC35E0E
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

index.dat

Path C:\Users\Admin\AppData\Roaming\Microsoft\Office\Recent\index.dat
Size 421B
SHA256 0c4b94f1987266ef8be55a0408cc94f7610a26775b79a099e7743abc9d0e0647
MD5 5d30dc045b59662363ac2cfb7cc37dc5
SHA1 b19c016d4e27ab0e4d2d739d8152afd0a5862315
SHA512 7fc5479ed40eb55e3d2bbb8488462be8d13066d1d535b6249a5efdda651341514164fb3ba2b423a9789be3eaa2bafeaccc5836dfd4ebca1b90df991fa0c5bbea
TLSH
T1B1E039036716F3F4EB7C9268393A6CE85BF18D99D75E122410CC0C960E25123608B81B
MD5 SHA1 SHA512 TLSH

Submit Download

memory/816-46-0x000000001B4F0000-0x000000001B4FC000-memory.dmp

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memory/816-47-0x000000001B550000-0x000000001B5BF000-memory.dmp

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memory/816-145-0x000000001B550000-0x000000001B5BF000-memory.dmp

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memory/816-51-0x000000001B550000-0x000000001B5BF000-memory.dmp

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memory/3640-3-0x00000000013D0000-0x00000000013E2000-memory.dmp

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memory/3640-0-0x0000000000B70000-0x0000000000B78000-memory.dmp

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memory/3640-1-0x00000000013A0000-0x00000000013AA000-memory.dmp

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memory/3640-4-0x000000001B7F0000-0x000000001B800000-memory.dmp

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memory/4404-66-0x000001B6A0E60000-0x000001B6A0EBD000-memory.dmp

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memory/4716-149-0x000000001BD40000-0x000000001BDAF000-memory.dmp

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memory/4716-143-0x000000001BD40000-0x000000001BDAF000-memory.dmp

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memory/4716-142-0x000000001B720000-0x000000001B72C000-memory.dmp

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memory/5256-29-0x0000000000F30000-0x0000000000F3E000-memory.dmp

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memory/5816-134-0x00007FFCD32B0000-0x00007FFCD32C0000-memory.dmp

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memory/5816-135-0x00007FFCD32B0000-0x00007FFCD32C0000-memory.dmp

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memory/5816-92-0x00007FFCD0710000-0x00007FFCD0720000-memory.dmp

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memory/5816-88-0x00007FFCD32B0000-0x00007FFCD32C0000-memory.dmp

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memory/5816-93-0x00007FFCD0710000-0x00007FFCD0720000-memory.dmp

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memory/5816-91-0x00007FFCD32B0000-0x00007FFCD32C0000-memory.dmp

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memory/5816-89-0x00007FFCD32B0000-0x00007FFCD32C0000-memory.dmp

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memory/5816-90-0x00007FFCD32B0000-0x00007FFCD32C0000-memory.dmp

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memory/5816-136-0x00007FFCD32B0000-0x00007FFCD32C0000-memory.dmp

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memory/5816-137-0x0000013495BA0000-0x0000013495BFD000-memory.dmp

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memory/5816-133-0x00007FFCD32B0000-0x00007FFCD32C0000-memory.dmp

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memory/5816-87-0x00007FFCD32B0000-0x00007FFCD32C0000-memory.dmp

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memory/5892-53-0x0000000002C10000-0x0000000002C7F000-memory.dmp

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memory/5892-49-0x0000000002C10000-0x0000000002C7F000-memory.dmp

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memory/5892-48-0x0000000001230000-0x000000000123C000-memory.dmp

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