neshta | cc1d720d5da2885c50cd93547ccf8163d7b4bb7511c7f5756e4798e449306c53

Analysis

max time kernel
102s
max time network
104s
platform
windows11-21h2_x64
resource
win11-20250410-en
resource tags

arch:x64arch:x86image:win11-20250410-enlocale:en-usos:windows11-21h2-x64system
submitted
21/04/2025, 10:51

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General

Target

2025-04-21_9331287b6cf7962736f833a4fb95fa72_elex_neshta_rhysida.exe
Size

459KB
MD5

9331287b6cf7962736f833a4fb95fa72
SHA1

f67c7cd2526b804e744e9e383e8ff14b0a791011
SHA256

cc1d720d5da2885c50cd93547ccf8163d7b4bb7511c7f5756e4798e449306c53
SHA512

2fee0cf116b194e0695a2ce5df45bb29f7567538d7c8674749ab2a72ec55e10b482746b11ab90582498c99335fbe7bf727ac40089fbab0540a38373c41d86825
SSDEEP

6144:k97+QbqZ0/xDPK8JLM7hsqMFUtkko1mJ8+ANqTCOQ7bSLP:cmQx71M75tzOmJ8+5

Score

10^/10

neshta rhysida credential_access defense_evasion discovery execution persistence ransomware spyware stealer

Malware Config

Signatures

Detect Neshta payload 4 IoCs

resource	yara_rule
behavioral2/files/0x0006000000027b1b-883.dat	family_neshta
behavioral2/memory/3184-1002-0x0000000000400000-0x000000000041B000-memory.dmp	family_neshta
behavioral2/memory/3184-1004-0x0000000000400000-0x000000000041B000-memory.dmp	family_neshta
behavioral2/memory/3184-1019-0x0000000000400000-0x000000000041B000-memory.dmp	family_neshta

Detect Rhysida ransomware 4 IoCs

resource	yara_rule
behavioral2/files/0x001a00000002b14a-4.dat	family_rhysida
behavioral2/memory/4192-1003-0x0000000000400000-0x0000000000477000-memory.dmp	family_rhysida
behavioral2/memory/4192-1005-0x0000000000400000-0x0000000000477000-memory.dmp	family_rhysida
behavioral2/memory/4192-1006-0x0000000000400000-0x0000000000477000-memory.dmp	family_rhysida

Neshta
Malware from the neshta family is designed to infect itself into other files to spread itself and cause damage.
persistence spyware neshta
Neshta family
neshta
Rhysida
Rhysida is a ransomware that is written in C++ and discovered in 2023.
ransomware rhysida
Rhysida family
rhysida
Renames multiple (2438) files with added filename extension
This suggests ransomware activity of encrypting all the files on the system.
ransomware

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

Run Powershell and hide display window.

execution

PowerShell

T1059.001

pid	Process
1448	powershell.exe

Credentials from Password Stores: Windows Credential Manager 1 TTPs
Suspicious access to Credentials History.
credential_access stealer

Windows Credential Manager
T1555.004

Executes dropped EXE 1 IoCs

pid	Process
4192	2025-04-21_9331287b6cf7962736f833a4fb95fa72_elex_neshta_rhysida.exe

Modifies system executable filetype association 2 TTPs 1 IoCs

persistence

Modify Registry

T1112

Change Default File Association

T1546.001

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Windows\\svchost.com \"%1\" %*"	2025-04-21_9331287b6cf7962736f833a4fb95fa72_elex_neshta_rhysida.exe

Reads user/profile data of web browsers 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001

Credentials from Web Browsers
T1555.003

Hide Artifacts: Hidden Window 1 TTPs 2 IoCs

Windows that would typically be displayed when an application carries out an operation can be hidden.

defense_evasion

Hidden Window

T1564.003

pid	Process
1992	cmd.exe
2712	cmd.exe

Indicator Removal: File Deletion 1 TTPs
Adversaries may delete files left behind by the actions of their intrusion activity.
defense_evasion

File Deletion
T1070.004

Sets desktop wallpaper using registry 2 TTPs 1 IoCs

ransomware

Defacement

T1491

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-599783296-1627459723-2423478968-1000\Control Panel\Desktop\Wallpaper = "C:\\Users\\Public\\bg.jpg"	reg.exe

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File opened for modification	C:\PROGRA~2\MICROS~1\EDGEUP~1\13195~1.49\MIA062~1.EXE	2025-04-21_9331287b6cf7962736f833a4fb95fa72_elex_neshta_rhysida.exe
File opened for modification	C:\PROGRA~2\MICROS~1\EDGEUP~1\Download\{F3C4F~1\13195~1.49\MICROS~1.EXE	2025-04-21_9331287b6cf7962736f833a4fb95fa72_elex_neshta_rhysida.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{33D1F~1\VCREDI~1.EXE	2025-04-21_9331287b6cf7962736f833a4fb95fa72_elex_neshta_rhysida.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Edge\Application\133030~1.69\msedge_proxy.exe	2025-04-21_9331287b6cf7962736f833a4fb95fa72_elex_neshta_rhysida.exe
File opened for modification	C:\PROGRA~2\MICROS~1\EdgeCore\132029~1.140\PWAHEL~1.EXE	2025-04-21_9331287b6cf7962736f833a4fb95fa72_elex_neshta_rhysida.exe
File opened for modification	C:\PROGRA~2\MICROS~1\EDGEUP~1\13195~1.49\MICROS~4.EXE	2025-04-21_9331287b6cf7962736f833a4fb95fa72_elex_neshta_rhysida.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\FULLTR~1.EXE	2025-04-21_9331287b6cf7962736f833a4fb95fa72_elex_neshta_rhysida.exe
File opened for modification	C:\PROGRA~2\INTERN~1\ExtExport.exe	2025-04-21_9331287b6cf7962736f833a4fb95fa72_elex_neshta_rhysida.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Edge\Application\MSEDGE~1.EXE	2025-04-21_9331287b6cf7962736f833a4fb95fa72_elex_neshta_rhysida.exe
File opened for modification	C:\PROGRA~3\Adobe\Setup\{AC76B~1\setup.exe	2025-04-21_9331287b6cf7962736f833a4fb95fa72_elex_neshta_rhysida.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{4D8DC~1\VC_RED~1.EXE	2025-04-21_9331287b6cf7962736f833a4fb95fa72_elex_neshta_rhysida.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{57A73~1\VC_RED~1.EXE	2025-04-21_9331287b6cf7962736f833a4fb95fa72_elex_neshta_rhysida.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{EF5AF~1\WINDOW~1.EXE	2025-04-21_9331287b6cf7962736f833a4fb95fa72_elex_neshta_rhysida.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\AcroCEF\RdrCEF.exe	2025-04-21_9331287b6cf7962736f833a4fb95fa72_elex_neshta_rhysida.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\WOW_HE~1.EXE	2025-04-21_9331287b6cf7962736f833a4fb95fa72_elex_neshta_rhysida.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Edge\Application\133030~1.69\pwahelper.exe	2025-04-21_9331287b6cf7962736f833a4fb95fa72_elex_neshta_rhysida.exe
File opened for modification	C:\PROGRA~2\COMMON~1\Oracle\Java\javapath\javaw.exe	2025-04-21_9331287b6cf7962736f833a4fb95fa72_elex_neshta_rhysida.exe
File opened for modification	C:\PROGRA~2\COMMON~1\Oracle\Java\javapath\javaws.exe	2025-04-21_9331287b6cf7962736f833a4fb95fa72_elex_neshta_rhysida.exe
File opened for modification	C:\PROGRA~2\MICROS~1\EDGEUP~1\13195~1.49\MI391D~1.EXE	2025-04-21_9331287b6cf7962736f833a4fb95fa72_elex_neshta_rhysida.exe
File opened for modification	C:\PROGRA~2\MICROS~1\EDGEUP~1\13195~1.49\MI9C33~1.EXE	2025-04-21_9331287b6cf7962736f833a4fb95fa72_elex_neshta_rhysida.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{63880~1\WINDOW~1.EXE	2025-04-21_9331287b6cf7962736f833a4fb95fa72_elex_neshta_rhysida.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\ADOBEC~1.EXE	2025-04-21_9331287b6cf7962736f833a4fb95fa72_elex_neshta_rhysida.exe
File opened for modification	C:\PROGRA~2\Google\GOOGLE~1\134069~1.0\DISABL~1.EXE	2025-04-21_9331287b6cf7962736f833a4fb95fa72_elex_neshta_rhysida.exe
File opened for modification	C:\PROGRA~2\MICROS~1\EdgeCore\132029~1.140\NOTIFI~1.EXE	2025-04-21_9331287b6cf7962736f833a4fb95fa72_elex_neshta_rhysida.exe
File opened for modification	C:\PROGRA~2\MICROS~1\EDGEUP~1\13195~1.49\MICROS~1.EXE	2025-04-21_9331287b6cf7962736f833a4fb95fa72_elex_neshta_rhysida.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{61087~1\VCREDI~1.EXE	2025-04-21_9331287b6cf7962736f833a4fb95fa72_elex_neshta_rhysida.exe
File opened for modification	C:\PROGRA~2\MICROS~1\EdgeCore\132029~1.140\ELEVAT~1.EXE	2025-04-21_9331287b6cf7962736f833a4fb95fa72_elex_neshta_rhysida.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\ADelRCP.exe	2025-04-21_9331287b6cf7962736f833a4fb95fa72_elex_neshta_rhysida.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\READER~1.EXE	2025-04-21_9331287b6cf7962736f833a4fb95fa72_elex_neshta_rhysida.exe
File opened for modification	C:\PROGRA~2\Google\Update\DISABL~1.EXE	2025-04-21_9331287b6cf7962736f833a4fb95fa72_elex_neshta_rhysida.exe
File opened for modification	C:\PROGRA~2\MICROS~1\EdgeUpdate_bk\1.3.143.57\MicrosoftEdgeUpdateSetup.exe	2025-04-21_9331287b6cf7962736f833a4fb95fa72_elex_neshta_rhysida.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\arh.exe	2025-04-21_9331287b6cf7962736f833a4fb95fa72_elex_neshta_rhysida.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\plug_ins\PI_BRO~1\64BITM~1.EXE	2025-04-21_9331287b6cf7962736f833a4fb95fa72_elex_neshta_rhysida.exe
File opened for modification	C:\PROGRA~2\COMMON~1\Adobe\ARM\1.0\ADOBEA~1.EXE	2025-04-21_9331287b6cf7962736f833a4fb95fa72_elex_neshta_rhysida.exe
File opened for modification	C:\PROGRA~2\INTERN~1\iexplore.exe	2025-04-21_9331287b6cf7962736f833a4fb95fa72_elex_neshta_rhysida.exe
File opened for modification	C:\PROGRA~2\MICROS~1\EdgeCore\132029~1.140\BHO\IE_TO_~1.EXE	2025-04-21_9331287b6cf7962736f833a4fb95fa72_elex_neshta_rhysida.exe
File opened for modification	C:\PROGRA~2\WINDOW~4\wmlaunch.exe	2025-04-21_9331287b6cf7962736f833a4fb95fa72_elex_neshta_rhysida.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\AcroRd32.exe	2025-04-21_9331287b6cf7962736f833a4fb95fa72_elex_neshta_rhysida.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Edge\Application\133030~1.69\elevated_tracing_service.exe	2025-04-21_9331287b6cf7962736f833a4fb95fa72_elex_neshta_rhysida.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Edge\Application\133030~1.69\identity_helper.exe	2025-04-21_9331287b6cf7962736f833a4fb95fa72_elex_neshta_rhysida.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Edge\Application\133030~1.69\INSTAL~1\setup.exe	2025-04-21_9331287b6cf7962736f833a4fb95fa72_elex_neshta_rhysida.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Edge\Application\133030~1.69\msedge.exe	2025-04-21_9331287b6cf7962736f833a4fb95fa72_elex_neshta_rhysida.exe
File opened for modification	C:\PROGRA~2\WINDOW~2\wab.exe	2025-04-21_9331287b6cf7962736f833a4fb95fa72_elex_neshta_rhysida.exe
File opened for modification	C:\PROGRA~3\MICROS~1\CLICKT~1\{9AC08~1\INTEGR~1.EXE	2025-04-21_9331287b6cf7962736f833a4fb95fa72_elex_neshta_rhysida.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{CA675~1\VCREDI~1.EXE	2025-04-21_9331287b6cf7962736f833a4fb95fa72_elex_neshta_rhysida.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\LOGTRA~1.EXE	2025-04-21_9331287b6cf7962736f833a4fb95fa72_elex_neshta_rhysida.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Edge\Application\133030~1.69\msedgewebview2.exe	2025-04-21_9331287b6cf7962736f833a4fb95fa72_elex_neshta_rhysida.exe
File opened for modification	C:\PROGRA~2\MICROS~1\EdgeCore\132029~1.140\INSTAL~1\setup.exe	2025-04-21_9331287b6cf7962736f833a4fb95fa72_elex_neshta_rhysida.exe
File opened for modification	C:\PROGRA~2\MICROS~1\EDGEUP~1\MICROS~1.EXE	2025-04-21_9331287b6cf7962736f833a4fb95fa72_elex_neshta_rhysida.exe
File opened for modification	C:\PROGRA~2\WINDOW~4\wmpshare.exe	2025-04-21_9331287b6cf7962736f833a4fb95fa72_elex_neshta_rhysida.exe
File opened for modification	C:\PROGRA~2\WI8A19~1\ImagingDevices.exe	2025-04-21_9331287b6cf7962736f833a4fb95fa72_elex_neshta_rhysida.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\ACROBR~1.EXE	2025-04-21_9331287b6cf7962736f833a4fb95fa72_elex_neshta_rhysida.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\Browser\WCCHRO~1\WCCHRO~1.EXE	2025-04-21_9331287b6cf7962736f833a4fb95fa72_elex_neshta_rhysida.exe
File opened for modification	C:\PROGRA~2\COMMON~1\Java\JAVAUP~1\jaureg.exe	2025-04-21_9331287b6cf7962736f833a4fb95fa72_elex_neshta_rhysida.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Edge\Application\133030~1.69\notification_click_helper.exe	2025-04-21_9331287b6cf7962736f833a4fb95fa72_elex_neshta_rhysida.exe
File opened for modification	C:\PROGRA~2\MICROS~1\EdgeUpdate_bk\1.3.143.57\MicrosoftEdgeUpdate.exe	2025-04-21_9331287b6cf7962736f833a4fb95fa72_elex_neshta_rhysida.exe
File opened for modification	C:\PROGRA~2\MICROS~1\EdgeUpdate_bk\1.3.143.57\MicrosoftEdgeUpdateBroker.exe	2025-04-21_9331287b6cf7962736f833a4fb95fa72_elex_neshta_rhysida.exe
File opened for modification	C:\PROGRA~2\WINDOW~4\wmpconfig.exe	2025-04-21_9331287b6cf7962736f833a4fb95fa72_elex_neshta_rhysida.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{EF6B0~1\VCREDI~1.EXE	2025-04-21_9331287b6cf7962736f833a4fb95fa72_elex_neshta_rhysida.exe
File opened for modification	C:\PROGRA~2\MICROS~1\EdgeCore\132029~1.140\msedge.exe	2025-04-21_9331287b6cf7962736f833a4fb95fa72_elex_neshta_rhysida.exe
File opened for modification	C:\PROGRA~2\MICROS~1\EdgeUpdate_bk\1.3.143.57\MicrosoftEdgeUpdateOnDemand.exe	2025-04-21_9331287b6cf7962736f833a4fb95fa72_elex_neshta_rhysida.exe
File opened for modification	C:\PROGRA~2\MICROS~1\EDGEUP~1\13195~1.49\MICROS~2.EXE	2025-04-21_9331287b6cf7962736f833a4fb95fa72_elex_neshta_rhysida.exe
File opened for modification	C:\PROGRA~2\WINDOW~4\setup_wm.exe	2025-04-21_9331287b6cf7962736f833a4fb95fa72_elex_neshta_rhysida.exe
File opened for modification	C:\PROGRA~2\WINDOW~4\wmprph.exe	2025-04-21_9331287b6cf7962736f833a4fb95fa72_elex_neshta_rhysida.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\svchost.com	2025-04-21_9331287b6cf7962736f833a4fb95fa72_elex_neshta_rhysida.exe

Hide Artifacts: Ignore Process Interrupts 1 TTPs 2 IoCs

Command interpreters often include specific commands/flags that ignore errors and other hangups.

defense_evasion

Ignore Process Interrupts

T1564.011

pid	Process
1992	cmd.exe
2712	cmd.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

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2025-04-21_9331287b6cf7962736f833a4fb95fa72_elex_neshta_rhysida.exe

Modifies registry class 1 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Windows\\svchost.com \"%1\" %*"	2025-04-21_9331287b6cf7962736f833a4fb95fa72_elex_neshta_rhysida.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1448	powershell.exe
1448	powershell.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1448	powershell.exe

Suspicious use of WriteProcessMemory 60 IoCs

description	pid	Process	procid_target
PID 3184 wrote to memory of 4192	3184	2025-04-21_9331287b6cf7962736f833a4fb95fa72_elex_neshta_rhysida.exe	79
PID 3184 wrote to memory of 4192	3184	2025-04-21_9331287b6cf7962736f833a4fb95fa72_elex_neshta_rhysida.exe	79
PID 4192 wrote to memory of 5108	4192	2025-04-21_9331287b6cf7962736f833a4fb95fa72_elex_neshta_rhysida.exe	81
PID 4192 wrote to memory of 5108	4192	2025-04-21_9331287b6cf7962736f833a4fb95fa72_elex_neshta_rhysida.exe	81
PID 5108 wrote to memory of 112	5108	cmd.exe	83
PID 5108 wrote to memory of 112	5108	cmd.exe	83
PID 112 wrote to memory of 5580	112	cmd.exe	84
PID 112 wrote to memory of 5580	112	cmd.exe	84
PID 4192 wrote to memory of 4672	4192	2025-04-21_9331287b6cf7962736f833a4fb95fa72_elex_neshta_rhysida.exe	85
PID 4192 wrote to memory of 4672	4192	2025-04-21_9331287b6cf7962736f833a4fb95fa72_elex_neshta_rhysida.exe	85
PID 4672 wrote to memory of 1892	4672	cmd.exe	87
PID 4672 wrote to memory of 1892	4672	cmd.exe	87
PID 1892 wrote to memory of 5772	1892	cmd.exe	88
PID 1892 wrote to memory of 5772	1892	cmd.exe	88
PID 4192 wrote to memory of 2852	4192	2025-04-21_9331287b6cf7962736f833a4fb95fa72_elex_neshta_rhysida.exe	89
PID 4192 wrote to memory of 2852	4192	2025-04-21_9331287b6cf7962736f833a4fb95fa72_elex_neshta_rhysida.exe	89
PID 2852 wrote to memory of 4612	2852	cmd.exe	91
PID 2852 wrote to memory of 4612	2852	cmd.exe	91
PID 4612 wrote to memory of 5172	4612	cmd.exe	92
PID 4612 wrote to memory of 5172	4612	cmd.exe	92
PID 4192 wrote to memory of 3200	4192	2025-04-21_9331287b6cf7962736f833a4fb95fa72_elex_neshta_rhysida.exe	93
PID 4192 wrote to memory of 3200	4192	2025-04-21_9331287b6cf7962736f833a4fb95fa72_elex_neshta_rhysida.exe	93
PID 3200 wrote to memory of 6084	3200	cmd.exe	95
PID 3200 wrote to memory of 6084	3200	cmd.exe	95
PID 6084 wrote to memory of 2148	6084	cmd.exe	96
PID 6084 wrote to memory of 2148	6084	cmd.exe	96
PID 4192 wrote to memory of 404	4192	2025-04-21_9331287b6cf7962736f833a4fb95fa72_elex_neshta_rhysida.exe	97
PID 4192 wrote to memory of 404	4192	2025-04-21_9331287b6cf7962736f833a4fb95fa72_elex_neshta_rhysida.exe	97
PID 404 wrote to memory of 992	404	cmd.exe	99
PID 404 wrote to memory of 992	404	cmd.exe	99
PID 992 wrote to memory of 5692	992	cmd.exe	100
PID 992 wrote to memory of 5692	992	cmd.exe	100
PID 4192 wrote to memory of 2340	4192	2025-04-21_9331287b6cf7962736f833a4fb95fa72_elex_neshta_rhysida.exe	101
PID 4192 wrote to memory of 2340	4192	2025-04-21_9331287b6cf7962736f833a4fb95fa72_elex_neshta_rhysida.exe	101
PID 2340 wrote to memory of 2320	2340	cmd.exe	103
PID 2340 wrote to memory of 2320	2340	cmd.exe	103
PID 2320 wrote to memory of 5680	2320	cmd.exe	104
PID 2320 wrote to memory of 5680	2320	cmd.exe	104
PID 4192 wrote to memory of 6068	4192	2025-04-21_9331287b6cf7962736f833a4fb95fa72_elex_neshta_rhysida.exe	105
PID 4192 wrote to memory of 6068	4192	2025-04-21_9331287b6cf7962736f833a4fb95fa72_elex_neshta_rhysida.exe	105
PID 6068 wrote to memory of 2108	6068	cmd.exe	107
PID 6068 wrote to memory of 2108	6068	cmd.exe	107
PID 2108 wrote to memory of 5416	2108	cmd.exe	108
PID 2108 wrote to memory of 5416	2108	cmd.exe	108
PID 4192 wrote to memory of 1968	4192	2025-04-21_9331287b6cf7962736f833a4fb95fa72_elex_neshta_rhysida.exe	109
PID 4192 wrote to memory of 1968	4192	2025-04-21_9331287b6cf7962736f833a4fb95fa72_elex_neshta_rhysida.exe	109
PID 1968 wrote to memory of 1168	1968	cmd.exe	111
PID 1968 wrote to memory of 1168	1968	cmd.exe	111
PID 1168 wrote to memory of 3736	1168	cmd.exe	112
PID 1168 wrote to memory of 3736	1168	cmd.exe	112
PID 4192 wrote to memory of 3576	4192	2025-04-21_9331287b6cf7962736f833a4fb95fa72_elex_neshta_rhysida.exe	113
PID 4192 wrote to memory of 3576	4192	2025-04-21_9331287b6cf7962736f833a4fb95fa72_elex_neshta_rhysida.exe	113
PID 3576 wrote to memory of 3076	3576	cmd.exe	115
PID 3576 wrote to memory of 3076	3576	cmd.exe	115
PID 4192 wrote to memory of 1992	4192	2025-04-21_9331287b6cf7962736f833a4fb95fa72_elex_neshta_rhysida.exe	116
PID 4192 wrote to memory of 1992	4192	2025-04-21_9331287b6cf7962736f833a4fb95fa72_elex_neshta_rhysida.exe	116
PID 1992 wrote to memory of 2712	1992	cmd.exe	118
PID 1992 wrote to memory of 2712	1992	cmd.exe	118
PID 2712 wrote to memory of 1448	2712	cmd.exe	119
PID 2712 wrote to memory of 1448	2712	cmd.exe	119

C:\Users\Admin\AppData\Local\Temp\2025-04-21_9331287b6cf7962736f833a4fb95fa72_elex_neshta_rhysida.exe
"C:\Users\Admin\AppData\Local\Temp\2025-04-21_9331287b6cf7962736f833a4fb95fa72_elex_neshta_rhysida.exe"
1⤵
- Modifies system executable filetype association
- Drops file in Program Files directory
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:3184
- C:\Users\Admin\AppData\Local\Temp\3582-490\2025-04-21_9331287b6cf7962736f833a4fb95fa72_elex_neshta_rhysida.exe
  "C:\Users\Admin\AppData\Local\Temp\3582-490\2025-04-21_9331287b6cf7962736f833a4fb95fa72_elex_neshta_rhysida.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of WriteProcessMemory
  PID:4192
- - C:\Windows\system32\cmd.exe
    C:\Windows\system32\cmd.exe /c cmd.exe /c reg delete "HKCU\Conttol Panel\Desktop" /v Wallpaper /f
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:5108
  - - C:\Windows\system32\cmd.exe
      cmd.exe /c reg delete "HKCU\Conttol Panel\Desktop" /v Wallpaper /f
      4⤵
      Suspicious use of WriteProcessMemory
      PID:112
    - - C:\Windows\system32\reg.exe
        
        reg delete "HKCU\Conttol Panel\Desktop" /v Wallpaper /f
        5⤵
        
        PID:5580
- - C:\Windows\system32\cmd.exe
    C:\Windows\system32\cmd.exe /c cmd.exe /c reg delete "HKCU\Conttol Panel\Desktop" /v WallpaperStyle /f
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:4672
  - - C:\Windows\system32\cmd.exe
      cmd.exe /c reg delete "HKCU\Conttol Panel\Desktop" /v WallpaperStyle /f
      4⤵
      Suspicious use of WriteProcessMemory
      PID:1892
    - - C:\Windows\system32\reg.exe
        
        reg delete "HKCU\Conttol Panel\Desktop" /v WallpaperStyle /f
        5⤵
        
        PID:5772
- - C:\Windows\system32\cmd.exe
    C:\Windows\system32\cmd.exe /c cmd.exe /c reg add "HKCU\Software\Microsoft\Windows\CurrentVersion\Policies\ActiveDesktop" /v NoChangingWallPaper /t REG_SZ /d 1 /f
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:2852
  - - C:\Windows\system32\cmd.exe
      cmd.exe /c reg add "HKCU\Software\Microsoft\Windows\CurrentVersion\Policies\ActiveDesktop" /v NoChangingWallPaper /t REG_SZ /d 1 /f
      4⤵
      Suspicious use of WriteProcessMemory
      PID:4612
    - - C:\Windows\system32\reg.exe
        
        reg add "HKCU\Software\Microsoft\Windows\CurrentVersion\Policies\ActiveDesktop" /v NoChangingWallPaper /t REG_SZ /d 1 /f
        5⤵
        
        PID:5172
- - C:\Windows\system32\cmd.exe
    C:\Windows\system32\cmd.exe /c cmd.exe /c reg add "HKLM\Software\Microsoft\Windows\CurrentVersion\Policies\ActiveDesktop" /v NoChangingWallPaper /t REG_SZ /d 1 /f
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:3200
  - - C:\Windows\system32\cmd.exe
      cmd.exe /c reg add "HKLM\Software\Microsoft\Windows\CurrentVersion\Policies\ActiveDesktop" /v NoChangingWallPaper /t REG_SZ /d 1 /f
      4⤵
      Suspicious use of WriteProcessMemory
      PID:6084
    - - C:\Windows\system32\reg.exe
        
        reg add "HKLM\Software\Microsoft\Windows\CurrentVersion\Policies\ActiveDesktop" /v NoChangingWallPaper /t REG_SZ /d 1 /f
        5⤵
        
        PID:2148
- - C:\Windows\system32\cmd.exe
    C:\Windows\system32\cmd.exe /c cmd.exe /c reg add "HKCU\Control Panel\Desktop" /v Wallpaper /t REG_SZ /d "C:\Users\Public\bg.jpg" /f
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:404
  - - C:\Windows\system32\cmd.exe
      cmd.exe /c reg add "HKCU\Control Panel\Desktop" /v Wallpaper /t REG_SZ /d "C:\Users\Public\bg.jpg" /f
      4⤵
      Suspicious use of WriteProcessMemory
      PID:992
    - - C:\Windows\system32\reg.exe
        
        reg add "HKCU\Control Panel\Desktop" /v Wallpaper /t REG_SZ /d "C:\Users\Public\bg.jpg" /f
        5⤵
        Sets desktop wallpaper using registry
        
        PID:5692
- - C:\Windows\system32\cmd.exe
    C:\Windows\system32\cmd.exe /c cmd.exe /c reg add "HKLM\Software\Microsoft\Windows\CurrentVersion\Policies\System" /v Wallpaper /t REG_SZ /d "C:\Users\Public\bg.jpg" /f
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:2340
  - - C:\Windows\system32\cmd.exe
      cmd.exe /c reg add "HKLM\Software\Microsoft\Windows\CurrentVersion\Policies\System" /v Wallpaper /t REG_SZ /d "C:\Users\Public\bg.jpg" /f
      4⤵
      Suspicious use of WriteProcessMemory
      PID:2320
    - - C:\Windows\system32\reg.exe
        
        reg add "HKLM\Software\Microsoft\Windows\CurrentVersion\Policies\System" /v Wallpaper /t REG_SZ /d "C:\Users\Public\bg.jpg" /f
        5⤵
        
        PID:5680
- - C:\Windows\system32\cmd.exe
    C:\Windows\system32\cmd.exe /c cmd.exe /c reg add "HKLM\Software\Microsoft\Windows\CurrentVersion\Policies\System" /v WallpaperStyle /t REG_SZ /d 2 /f
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:6068
  - - C:\Windows\system32\cmd.exe
      cmd.exe /c reg add "HKLM\Software\Microsoft\Windows\CurrentVersion\Policies\System" /v WallpaperStyle /t REG_SZ /d 2 /f
      4⤵
      Suspicious use of WriteProcessMemory
      PID:2108
    - - C:\Windows\system32\reg.exe
        
        reg add "HKLM\Software\Microsoft\Windows\CurrentVersion\Policies\System" /v WallpaperStyle /t REG_SZ /d 2 /f
        5⤵
        
        PID:5416
- - C:\Windows\system32\cmd.exe
    C:\Windows\system32\cmd.exe /c cmd.exe /c reg add "HKCU\Control Panel\Desktop" /v WallpaperStyle /t REG_SZ /d 2 /f
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:1968
  - - C:\Windows\system32\cmd.exe
      cmd.exe /c reg add "HKCU\Control Panel\Desktop" /v WallpaperStyle /t REG_SZ /d 2 /f
      4⤵
      Suspicious use of WriteProcessMemory
      PID:1168
    - - C:\Windows\system32\reg.exe
        
        reg add "HKCU\Control Panel\Desktop" /v WallpaperStyle /t REG_SZ /d 2 /f
        5⤵
        
        PID:3736
- - C:\Windows\system32\cmd.exe
    C:\Windows\system32\cmd.exe /c rundll32.exe user32.dll,UpdatePerUserSystemParameters
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:3576
  - - C:\Windows\system32\rundll32.exe
      rundll32.exe user32.dll,UpdatePerUserSystemParameters
      4⤵
      PID:3076
- - C:\Windows\system32\cmd.exe
    C:\Windows\system32\cmd.exe /c cmd.exe /c start powershell.exe -WindowStyle Hidden -Command Sleep -Milliseconds 500; Remove-Item -Force -Path "C:\Users\Admin\AppData\Local\Temp\C:\Users\Admin\AppData\Local\Temp\3582-490\2025-04-21_9331287b6cf7962736f833a4fb95fa72_elex_neshta_rhysida.exe" -ErrorAction SilentlyContinue;
    3⤵
    - Hide Artifacts: Hidden Window
    - Hide Artifacts: Ignore Process Interrupts
    - Suspicious use of WriteProcessMemory
    PID:1992
  - - C:\Windows\system32\cmd.exe
      cmd.exe /c start powershell.exe -WindowStyle Hidden -Command Sleep -Milliseconds 500; Remove-Item -Force -Path "C:\Users\Admin\AppData\Local\Temp\C:\Users\Admin\AppData\Local\Temp\3582-490\2025-04-21_9331287b6cf7962736f833a4fb95fa72_elex_neshta_rhysida.exe" -ErrorAction SilentlyContinue;
      4⤵
      Hide Artifacts: Hidden Window
      Hide Artifacts: Ignore Process Interrupts
      Suspicious use of WriteProcessMemory
      PID:2712
    - - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
        
        powershell.exe -WindowStyle Hidden -Command Sleep -Milliseconds 500; Remove-Item -Force -Path "C:\Users\Admin\AppData\Local\Temp\C:\Users\Admin\AppData\Local\Temp\3582-490\2025-04-21_9331287b6cf7962736f833a4fb95fa72_elex_neshta_rhysida.exe" -ErrorAction SilentlyContinue;
        5⤵
        Command and Scripting Interpreter: PowerShell
        Suspicious behavior: EnumeratesProcesses
        Suspicious use of AdjustPrivilegeToken
        
        PID:1448

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

Persistence

Event Triggered Execution

T1546

Change Default File Association

T1546.001

Privilege Escalation

Event Triggered Execution

T1546

Change Default File Association

T1546.001

Defense Evasion

Hide Artifacts

T1564

Hidden Window

T1564.003

Ignore Process Interrupts

T1564.011

Indicator Removal

T1070

File Deletion

T1070.004

Modify Registry

T1112

Credential Access

Credentials from Password Stores

T1555

Credentials from Web Browsers

T1555.003

Windows Credential Manager

T1555.004

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

Browser Information Discovery

T1217

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

Defacement

T1491

Replay Monitor

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Downloads

C:\PROGRA~2\Adobe\ACROBA~1\Reader\ACROTE~1.EXE

Filesize
86KB

MD5
3b73078a714bf61d1c19ebc3afc0e454

SHA1
9abeabd74613a2f533e2244c9ee6f967188e4e7e

SHA256
ded54d1fcca07b6bff2bc3b9a1131eac29ff1f836e5d7a7c5c325ec5abe96e29

SHA512
75959d4e8a7649c3268b551a2a378e6d27c0bfb03d2422ebeeb67b0a3f78c079473214057518930f2d72773ce79b106fd2d78405e8e3d8883459dcbb49c163c4

Download Submit
C:\Users\Admin\AppData\Local\Temp\3582-490\2025-04-21_9331287b6cf7962736f833a4fb95fa72_elex_neshta_rhysida.exe

Filesize
419KB

MD5
26f41a46d0addde100bb9512a130de5e

SHA1
bef7719a8a98131b8bdf885895b5d1c3f9d089ad

SHA256
0050a69d6e93eddcd1ea4b7e951945f8970e5700d9436238bde7f63d757988ae

SHA512
99d09fe0f657d3c965429094ca1d077c4e1a5f066b0ae022dd6f344af6d8ebc9a5a559be2ab11019216e516688f5fa5daac15bae8d5d524bd665c56cfa07bd41

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_k5abv5nh.x5w.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/1448-1015-0x000001BBC41E0000-0x000001BBC4202000-memory.dmp

Filesize
136KB

Download
memory/3184-1002-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/3184-1004-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/3184-1019-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/4192-1003-0x0000000000400000-0x0000000000477000-memory.dmp

Filesize
476KB

Download
memory/4192-1005-0x0000000000400000-0x0000000000477000-memory.dmp

Filesize
476KB

Download
memory/4192-1006-0x0000000000400000-0x0000000000477000-memory.dmp

Filesize
476KB

Download