neshta | 4d934eff240fdf3c222505a546d8fb8c682a3affb70e4a85c635f607a47d8b1a

Analysis

max time kernel
102s
max time network
108s
platform
windows11-21h2_x64
resource
win11-20250410-en
resource tags

arch:x64arch:x86image:win11-20250410-enlocale:en-usos:windows11-21h2-x64system
submitted
15/04/2025, 14:33

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General

Target

PO#RFQ-HL51L05....exe
Size

858KB
MD5

c98f8cb0f627f8d8859acf950b145eab
SHA1

81ffcdc2addbaa505722edd91468c5a561dee781
SHA256

4d934eff240fdf3c222505a546d8fb8c682a3affb70e4a85c635f607a47d8b1a
SHA512

cb01aa4a16bf9c0b682bf7b9e00678cb47ecacf24ffedcfea68cea652584f21e711fa3c7578b09b51eca6eadf962bf25e1457a54d0d3f101f2e4d9681ff0a4aa
SSDEEP

24576:kXOlaVwfNQnzFy1frX0EhHdG+V4ZQB8Gv:kDzo5oEpdGqSQBJ

Score

10^/10

neshta discovery persistence spyware stealer

Malware Config

Signatures

Detect Neshta payload 6 IoCs

resource	yara_rule
behavioral2/memory/5212-11-0x0000000000400000-0x000000000041B000-memory.dmp	family_neshta
behavioral2/memory/5212-15-0x0000000000400000-0x000000000041B000-memory.dmp	family_neshta
behavioral2/memory/5212-13-0x0000000000400000-0x000000000041B000-memory.dmp	family_neshta
behavioral2/memory/5212-12-0x0000000000400000-0x000000000041B000-memory.dmp	family_neshta
behavioral2/memory/5212-148-0x0000000000400000-0x000000000041B000-memory.dmp	family_neshta
behavioral2/memory/5212-150-0x0000000000400000-0x000000000041B000-memory.dmp	family_neshta

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

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\" %*"	PO#RFQ-HL51L05....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

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3160 set thread context of 5212	3160	PO#RFQ-HL51L05....exe	77

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File opened for modification	C:\PROGRA~2\INTERN~1\ieinstal.exe	PO#RFQ-HL51L05....exe
File opened for modification	C:\PROGRA~2\MICROS~1\EdgeUpdate_bk\1.3.143.57\MicrosoftEdgeUpdateComRegisterShell64.exe	PO#RFQ-HL51L05....exe
File opened for modification	C:\PROGRA~2\WI8A19~1\ImagingDevices.exe	PO#RFQ-HL51L05....exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{4D8DC~1\VC_RED~1.EXE	PO#RFQ-HL51L05....exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{EF6B0~1\VCREDI~1.EXE	PO#RFQ-HL51L05....exe
File opened for modification	C:\PROGRA~2\MICROS~1\EdgeCore\132029~1.140\MSEDGE~3.EXE	PO#RFQ-HL51L05....exe
File opened for modification	C:\PROGRA~2\INTERN~1\ExtExport.exe	PO#RFQ-HL51L05....exe
File opened for modification	C:\PROGRA~2\COMMON~1\Oracle\Java\javapath\javaws.exe	PO#RFQ-HL51L05....exe
File opened for modification	C:\PROGRA~2\MICROS~1\EdgeCore\132029~1.140\INSTAL~1\setup.exe	PO#RFQ-HL51L05....exe
File opened for modification	C:\PROGRA~2\MOZILL~1\MAINTE~1.EXE	PO#RFQ-HL51L05....exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{D87AE~1\WINDOW~1.EXE	PO#RFQ-HL51L05....exe
File opened for modification	C:\PROGRA~2\COMMON~1\Oracle\Java\javapath\java.exe	PO#RFQ-HL51L05....exe
File opened for modification	C:\PROGRA~2\INTERN~1\iexplore.exe	PO#RFQ-HL51L05....exe
File opened for modification	C:\PROGRA~2\MICROS~1\EdgeUpdate_bk\1.3.143.57\MicrosoftEdgeUpdateOnDemand.exe	PO#RFQ-HL51L05....exe
File opened for modification	C:\PROGRA~2\MICROS~1\EDGEUP~1\13195~1.43\MI391D~1.EXE	PO#RFQ-HL51L05....exe
File opened for modification	C:\PROGRA~2\WINDOW~2\wabmig.exe	PO#RFQ-HL51L05....exe
File opened for modification	C:\PROGRA~2\WINDOW~4\wmprph.exe	PO#RFQ-HL51L05....exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{33D1F~1\VCREDI~1.EXE	PO#RFQ-HL51L05....exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\AcroRd32.exe	PO#RFQ-HL51L05....exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\plug_ins\PI_BRO~1\64BITM~1.EXE	PO#RFQ-HL51L05....exe
File opened for modification	C:\PROGRA~2\MICROS~1\Edge\Application\133030~1.69\msedge.exe	PO#RFQ-HL51L05....exe
File opened for modification	C:\PROGRA~2\MICROS~1\Edge\Application\133030~1.69\msedge_pwa_launcher.exe	PO#RFQ-HL51L05....exe
File opened for modification	C:\PROGRA~2\MICROS~1\EdgeCore\132029~1.140\IDENTI~1.EXE	PO#RFQ-HL51L05....exe
File opened for modification	C:\PROGRA~2\MICROS~1\EDGEUP~1\13195~1.43\MIA062~1.EXE	PO#RFQ-HL51L05....exe
File opened for modification	C:\PROGRA~2\WINDOW~4\wmlaunch.exe	PO#RFQ-HL51L05....exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\AcroCEF\RdrCEF.exe	PO#RFQ-HL51L05....exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\Browser\WCCHRO~1\WCCHRO~1.EXE	PO#RFQ-HL51L05....exe
File opened for modification	C:\PROGRA~2\INTERN~1\ielowutil.exe	PO#RFQ-HL51L05....exe
File opened for modification	C:\PROGRA~2\MICROS~1\Edge\Application\133030~1.69\notification_click_helper.exe	PO#RFQ-HL51L05....exe
File opened for modification	C:\PROGRA~2\MICROS~1\Edge\Application\msedge.exe	PO#RFQ-HL51L05....exe
File opened for modification	C:\PROGRA~2\MICROS~1\EDGEUP~1\13195~1.43\MICROS~3.EXE	PO#RFQ-HL51L05....exe
File opened for modification	C:\PROGRA~2\COMMON~1\Adobe\ARM\1.0\AdobeARM.exe	PO#RFQ-HL51L05....exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\VSTO\10.0\VSTOIN~1.EXE	PO#RFQ-HL51L05....exe
File opened for modification	C:\PROGRA~2\Google\GOOGLE~1\134069~1.0\DISABL~1.EXE	PO#RFQ-HL51L05....exe
File opened for modification	C:\PROGRA~2\MICROS~1\Edge\Application\133030~1.69\msedgewebview2.exe	PO#RFQ-HL51L05....exe
File opened for modification	C:\PROGRA~2\MICROS~1\EdgeCore\132029~1.140\ELEVAT~1.EXE	PO#RFQ-HL51L05....exe
File opened for modification	C:\PROGRA~2\MICROS~1\EdgeCore\132029~1.140\MSEDGE~1.EXE	PO#RFQ-HL51L05....exe
File opened for modification	C:\PROGRA~2\MICROS~1\EdgeCore\132029~1.140\MSEDGE~2.EXE	PO#RFQ-HL51L05....exe
File opened for modification	C:\PROGRA~2\MICROS~1\EdgeUpdate_bk\1.3.143.57\MicrosoftEdgeComRegisterShellARM64.exe	PO#RFQ-HL51L05....exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\ACROBR~1.EXE	PO#RFQ-HL51L05....exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\ACROTE~1.EXE	PO#RFQ-HL51L05....exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\WOW_HE~1.EXE	PO#RFQ-HL51L05....exe
File opened for modification	C:\PROGRA~2\COMMON~1\Java\JAVAUP~1\jaureg.exe	PO#RFQ-HL51L05....exe
File opened for modification	C:\PROGRA~2\MICROS~1\Edge\Application\133030~1.69\elevated_tracing_service.exe	PO#RFQ-HL51L05....exe
File opened for modification	C:\PROGRA~2\MICROS~1\EdgeCore\132029~1.140\COOKIE~1.EXE	PO#RFQ-HL51L05....exe
File opened for modification	C:\PROGRA~2\MICROS~1\EdgeUpdate_bk\1.3.143.57\MicrosoftEdgeUpdateBroker.exe	PO#RFQ-HL51L05....exe
File opened for modification	C:\PROGRA~2\WINDOW~4\setup_wm.exe	PO#RFQ-HL51L05....exe
File opened for modification	C:\PROGRA~2\MICROS~1\Edge\Application\133030~1.69\identity_helper.exe	PO#RFQ-HL51L05....exe
File opened for modification	C:\PROGRA~2\MICROS~1\EDGEUP~1\13195~1.43\MICROS~2.EXE	PO#RFQ-HL51L05....exe
File opened for modification	C:\PROGRA~2\Google\Update\DISABL~1.EXE	PO#RFQ-HL51L05....exe
File opened for modification	C:\PROGRA~2\MICROS~1\Edge\Application\133030~1.69\cookie_exporter.exe	PO#RFQ-HL51L05....exe
File opened for modification	C:\PROGRA~2\MICROS~1\EdgeUpdate_bk\1.3.143.57\MicrosoftEdgeUpdateCore.exe	PO#RFQ-HL51L05....exe
File opened for modification	C:\PROGRA~2\MICROS~1\EDGEUP~1\MICROS~1.EXE	PO#RFQ-HL51L05....exe
File opened for modification	C:\PROGRA~2\WINDOW~3\ACCESS~1\wordpad.exe	PO#RFQ-HL51L05....exe
File opened for modification	C:\PROGRA~3\MICROS~1\CLICKT~1\{9AC08~1\INTEGR~1.EXE	PO#RFQ-HL51L05....exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\ADelRCP.exe	PO#RFQ-HL51L05....exe
File opened for modification	C:\PROGRA~2\COMMON~1\Adobe\ARM\1.0\ADOBEA~1.EXE	PO#RFQ-HL51L05....exe
File opened for modification	C:\PROGRA~2\MICROS~1\Edge\Application\133030~1.69\INSTAL~1\setup.exe	PO#RFQ-HL51L05....exe
File opened for modification	C:\PROGRA~2\MICROS~1\Edge\Application\PWAHEL~1.EXE	PO#RFQ-HL51L05....exe
File opened for modification	C:\PROGRA~2\MICROS~1\EdgeCore\132029~1.140\msedge.exe	PO#RFQ-HL51L05....exe
File opened for modification	C:\PROGRA~2\MICROS~1\EDGEUP~1\13195~1.43\MICROS~4.EXE	PO#RFQ-HL51L05....exe
File opened for modification	C:\PROGRA~2\MOZILL~1\UNINST~1.EXE	PO#RFQ-HL51L05....exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{61087~1\VCREDI~1.EXE	PO#RFQ-HL51L05....exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\ADOBEC~1.EXE	PO#RFQ-HL51L05....exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\svchost.com	PO#RFQ-HL51L05....exe

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 2 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	PO#RFQ-HL51L05....exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	PO#RFQ-HL51L05....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\" %*"	PO#RFQ-HL51L05....exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
3160	PO#RFQ-HL51L05....exe
3160	PO#RFQ-HL51L05....exe
3160	PO#RFQ-HL51L05....exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3160	PO#RFQ-HL51L05....exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 3160 wrote to memory of 5212	3160	PO#RFQ-HL51L05....exe	77
PID 3160 wrote to memory of 5212	3160	PO#RFQ-HL51L05....exe	77
PID 3160 wrote to memory of 5212	3160	PO#RFQ-HL51L05....exe	77
PID 3160 wrote to memory of 5212	3160	PO#RFQ-HL51L05....exe	77
PID 3160 wrote to memory of 5212	3160	PO#RFQ-HL51L05....exe	77
PID 3160 wrote to memory of 5212	3160	PO#RFQ-HL51L05....exe	77
PID 3160 wrote to memory of 5212	3160	PO#RFQ-HL51L05....exe	77
PID 3160 wrote to memory of 5212	3160	PO#RFQ-HL51L05....exe	77
PID 3160 wrote to memory of 5212	3160	PO#RFQ-HL51L05....exe	77
PID 3160 wrote to memory of 5212	3160	PO#RFQ-HL51L05....exe	77
PID 3160 wrote to memory of 5212	3160	PO#RFQ-HL51L05....exe	77

C:\Users\Admin\AppData\Local\Temp\PO#RFQ-HL51L05....exe
"C:\Users\Admin\AppData\Local\Temp\PO#RFQ-HL51L05....exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3160
- C:\Users\Admin\AppData\Local\Temp\PO#RFQ-HL51L05....exe
  "C:\Users\Admin\AppData\Local\Temp\PO#RFQ-HL51L05....exe"
  2⤵
  - 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
  PID:5212

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

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

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

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

Replay Monitor

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Downloads

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

Filesize
86KB

MD5
ee3cbcfa9a0569e8e0f5c9ca09eb8605

SHA1
de36ce09869c6fcfceb49008381112cced6827f1

SHA256
f1fdda4415f1bc33ec74807e844087852b9c53d9dc34779bd0f20571d8d0ecc7

SHA512
d69696186d91257310ace00946dc04c59110ad090738672bf9c72003b1295e07b375d388efe13e67ce37faa8c69cafd1b127a43d29bc8ac9327b9ab4bc95a286

Download Submit
C:\Users\Admin\AppData\Local\Temp\3582-490\PO#RFQ-HL51L05....exe

Filesize
817KB

MD5
802c47900cb337e1826adf4d4ed2d531

SHA1
7e78f5bf31bd168d252cfb30e216a7f5f7e054d1

SHA256
e6ec6b21cd441027462d26fd3e0114f7ee0843c279a5d692df764394ed7a78f7

SHA512
d5f4a865ab1238f7699d60d92d75051a269b20b584db869733db70477909921c091ea89784ed097884aa1d695c6bc5330aca45bf9ef5ef4b3ed3558548ed34f2

Download Submit
memory/3160-10-0x0000000007BD0000-0x0000000007C6C000-memory.dmp

Filesize
624KB

Download
memory/3160-17-0x0000000074560000-0x0000000074D11000-memory.dmp

Filesize
7.7MB

Download
memory/3160-4-0x0000000074560000-0x0000000074D11000-memory.dmp

Filesize
7.7MB

Download
memory/3160-5-0x0000000008000000-0x000000000800A000-memory.dmp

Filesize
40KB

Download
memory/3160-6-0x0000000003390000-0x00000000033A4000-memory.dmp

Filesize
80KB

Download
memory/3160-7-0x000000007456E000-0x000000007456F000-memory.dmp

Filesize
4KB

Download
memory/3160-8-0x0000000074560000-0x0000000074D11000-memory.dmp

Filesize
7.7MB

Download
memory/3160-9-0x000000000AC20000-0x000000000ACB8000-memory.dmp

Filesize
608KB

Download
memory/3160-0-0x000000007456E000-0x000000007456F000-memory.dmp

Filesize
4KB

Download
memory/3160-1-0x0000000000E30000-0x0000000000F0C000-memory.dmp

Filesize
880KB

Download
memory/3160-2-0x00000000087D0000-0x0000000008D76000-memory.dmp

Filesize
5.6MB

Download
memory/3160-3-0x0000000008220000-0x00000000082B2000-memory.dmp

Filesize
584KB

Download
memory/5212-12-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/5212-13-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/5212-15-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/5212-11-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/5212-148-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/5212-150-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download