neshta | 3fda575299dfe1e58ffc253959b312013aea3280dff1e45206743a33b9ff75ac

Analysis

max time kernel
141s
max time network
134s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
21/10/2024, 21:04

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General

Target

3fda575299dfe1e58ffc253959b312013aea3280dff1e45206743a33b9ff75ac.exe
Size

6.4MB
MD5

303c9af0766d42e0ab9456e52cab77d1
SHA1

04e77805e2418fc01e7bb62405e0340f46e524d7
SHA256

3fda575299dfe1e58ffc253959b312013aea3280dff1e45206743a33b9ff75ac
SHA512

27515a561cb18ae686d73253d86f48f8b668034a473c0616784f1d066e178d2881ea55a346443ccc0f5bd44f6887ece0577cc5c3e34bc8bad699fb22c0c86168
SSDEEP

98304:NgK7LbOwQM00tb3+9tG3Ts4WinCBRD+gucgkFvVDZM9A3bh5101s4z555HozXaWw:L7msb883gXBRD+gfgkFH3T6s4Dizrnc

Score

10^/10

neshta discovery persistence spyware stealer

Malware Config

Signatures

Detect Neshta payload 5 IoCs

resource	yara_rule
behavioral2/files/0x0006000000020223-19.dat	family_neshta
behavioral2/memory/820-100-0x0000000000400000-0x000000000041B000-memory.dmp	family_neshta
behavioral2/memory/820-104-0x0000000000400000-0x000000000041B000-memory.dmp	family_neshta
behavioral2/memory/820-106-0x0000000000400000-0x000000000041B000-memory.dmp	family_neshta
behavioral2/memory/820-109-0x0000000000400000-0x000000000041B000-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

Checks computer location settings 2 TTPs 1 IoCs

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

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\Control Panel\International\Geo\Nation	3fda575299dfe1e58ffc253959b312013aea3280dff1e45206743a33b9ff75ac.exe

Executes dropped EXE 1 IoCs

pid	Process
2020	3fda575299dfe1e58ffc253959b312013aea3280dff1e45206743a33b9ff75ac.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\" %*"	3fda575299dfe1e58ffc253959b312013aea3280dff1e45206743a33b9ff75ac.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

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File opened for modification	C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\MSEDGE~1.EXE	3fda575299dfe1e58ffc253959b312013aea3280dff1e45206743a33b9ff75ac.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\PWAHEL~1.EXE	3fda575299dfe1e58ffc253959b312013aea3280dff1e45206743a33b9ff75ac.exe
File opened for modification	C:\PROGRA~2\WINDOW~2\wab.exe	3fda575299dfe1e58ffc253959b312013aea3280dff1e45206743a33b9ff75ac.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\AcroCEF\RdrCEF.exe	3fda575299dfe1e58ffc253959b312013aea3280dff1e45206743a33b9ff75ac.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\ADOBEC~1.EXE	3fda575299dfe1e58ffc253959b312013aea3280dff1e45206743a33b9ff75ac.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\Browser\WCCHRO~1\WCCHRO~1.EXE	3fda575299dfe1e58ffc253959b312013aea3280dff1e45206743a33b9ff75ac.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\Eula.exe	3fda575299dfe1e58ffc253959b312013aea3280dff1e45206743a33b9ff75ac.exe
File opened for modification	C:\PROGRA~2\COMMON~1\Adobe\ARM\1.0\AdobeARM.exe	3fda575299dfe1e58ffc253959b312013aea3280dff1e45206743a33b9ff75ac.exe
File opened for modification	C:\PROGRA~2\INTERN~1\iexplore.exe	3fda575299dfe1e58ffc253959b312013aea3280dff1e45206743a33b9ff75ac.exe
File opened for modification	C:\PROGRA~2\COMMON~1\Oracle\Java\javapath\java.exe	3fda575299dfe1e58ffc253959b312013aea3280dff1e45206743a33b9ff75ac.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.371\GOOGLE~1.EXE	3fda575299dfe1e58ffc253959b312013aea3280dff1e45206743a33b9ff75ac.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.371\GO664E~1.EXE	3fda575299dfe1e58ffc253959b312013aea3280dff1e45206743a33b9ff75ac.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\MSEDGE~1.EXE	3fda575299dfe1e58ffc253959b312013aea3280dff1e45206743a33b9ff75ac.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\PWAHEL~1.EXE	3fda575299dfe1e58ffc253959b312013aea3280dff1e45206743a33b9ff75ac.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\ADelRCP.exe	3fda575299dfe1e58ffc253959b312013aea3280dff1e45206743a33b9ff75ac.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\READER~1.EXE	3fda575299dfe1e58ffc253959b312013aea3280dff1e45206743a33b9ff75ac.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\WOW_HE~1.EXE	3fda575299dfe1e58ffc253959b312013aea3280dff1e45206743a33b9ff75ac.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{EF5AF~1\WINDOW~1.EXE	3fda575299dfe1e58ffc253959b312013aea3280dff1e45206743a33b9ff75ac.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\plug_ins\PI_BRO~1\64BITM~1.EXE	3fda575299dfe1e58ffc253959b312013aea3280dff1e45206743a33b9ff75ac.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\NOTIFI~1.EXE	3fda575299dfe1e58ffc253959b312013aea3280dff1e45206743a33b9ff75ac.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.371\GOOGLE~4.EXE	3fda575299dfe1e58ffc253959b312013aea3280dff1e45206743a33b9ff75ac.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.371\GOF5E2~1.EXE	3fda575299dfe1e58ffc253959b312013aea3280dff1e45206743a33b9ff75ac.exe
File opened for modification	C:\PROGRA~3\MICROS~1\CLICKT~1\{9AC08~1\INTEGR~1.EXE	3fda575299dfe1e58ffc253959b312013aea3280dff1e45206743a33b9ff75ac.exe
File opened for modification	C:\PROGRA~2\WINDOW~2\wabmig.exe	3fda575299dfe1e58ffc253959b312013aea3280dff1e45206743a33b9ff75ac.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{EF6B0~1\VCREDI~1.EXE	3fda575299dfe1e58ffc253959b312013aea3280dff1e45206743a33b9ff75ac.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\ACROBR~1.EXE	3fda575299dfe1e58ffc253959b312013aea3280dff1e45206743a33b9ff75ac.exe
File opened for modification	C:\PROGRA~2\COMMON~1\Oracle\Java\javapath\javaw.exe	3fda575299dfe1e58ffc253959b312013aea3280dff1e45206743a33b9ff75ac.exe
File opened for modification	C:\PROGRA~2\MICROS~1\EDGEUP~1\13147~1.37\MICROS~1.EXE	3fda575299dfe1e58ffc253959b312013aea3280dff1e45206743a33b9ff75ac.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\MSEDGE~3.EXE	3fda575299dfe1e58ffc253959b312013aea3280dff1e45206743a33b9ff75ac.exe
File opened for modification	C:\PROGRA~2\WI8A19~1\ImagingDevices.exe	3fda575299dfe1e58ffc253959b312013aea3280dff1e45206743a33b9ff75ac.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\LOGTRA~1.EXE	3fda575299dfe1e58ffc253959b312013aea3280dff1e45206743a33b9ff75ac.exe
File opened for modification	C:\PROGRA~2\COMMON~1\Oracle\Java\javapath\javaws.exe	3fda575299dfe1e58ffc253959b312013aea3280dff1e45206743a33b9ff75ac.exe
File opened for modification	C:\PROGRA~2\INTERN~1\ielowutil.exe	3fda575299dfe1e58ffc253959b312013aea3280dff1e45206743a33b9ff75ac.exe
File opened for modification	C:\PROGRA~2\WINDOW~3\ACCESS~1\wordpad.exe	3fda575299dfe1e58ffc253959b312013aea3280dff1e45206743a33b9ff75ac.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{33D1F~1\VCREDI~1.EXE	3fda575299dfe1e58ffc253959b312013aea3280dff1e45206743a33b9ff75ac.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{4D8DC~1\VC_RED~1.EXE	3fda575299dfe1e58ffc253959b312013aea3280dff1e45206743a33b9ff75ac.exe
File opened for modification	C:\PROGRA~2\INTERN~1\ExtExport.exe	3fda575299dfe1e58ffc253959b312013aea3280dff1e45206743a33b9ff75ac.exe
File opened for modification	C:\PROGRA~2\MOZILL~1\MAINTE~1.EXE	3fda575299dfe1e58ffc253959b312013aea3280dff1e45206743a33b9ff75ac.exe
File opened for modification	C:\PROGRA~2\WINDOW~4\wmpconfig.exe	3fda575299dfe1e58ffc253959b312013aea3280dff1e45206743a33b9ff75ac.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\ACROTE~1.EXE	3fda575299dfe1e58ffc253959b312013aea3280dff1e45206743a33b9ff75ac.exe
File opened for modification	C:\PROGRA~2\WINDOW~4\wmlaunch.exe	3fda575299dfe1e58ffc253959b312013aea3280dff1e45206743a33b9ff75ac.exe
File opened for modification	C:\PROGRA~2\WINDOW~4\wmprph.exe	3fda575299dfe1e58ffc253959b312013aea3280dff1e45206743a33b9ff75ac.exe
File opened for modification	C:\PROGRA~2\COMMON~1\Adobe\ARM\1.0\ADOBEA~1.EXE	3fda575299dfe1e58ffc253959b312013aea3280dff1e45206743a33b9ff75ac.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\IDENTI~1.EXE	3fda575299dfe1e58ffc253959b312013aea3280dff1e45206743a33b9ff75ac.exe
File opened for modification	C:\PROGRA~2\MICROS~1\EDGEUP~1\13147~1.37\MID1AD~1.EXE	3fda575299dfe1e58ffc253959b312013aea3280dff1e45206743a33b9ff75ac.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\msedge.exe	3fda575299dfe1e58ffc253959b312013aea3280dff1e45206743a33b9ff75ac.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{D87AE~1\WINDOW~1.EXE	3fda575299dfe1e58ffc253959b312013aea3280dff1e45206743a33b9ff75ac.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\AcroRd32.exe	3fda575299dfe1e58ffc253959b312013aea3280dff1e45206743a33b9ff75ac.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\arh.exe	3fda575299dfe1e58ffc253959b312013aea3280dff1e45206743a33b9ff75ac.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\MSInfo\msinfo32.exe	3fda575299dfe1e58ffc253959b312013aea3280dff1e45206743a33b9ff75ac.exe
File opened for modification	C:\PROGRA~2\MICROS~1\EDGEUP~1\13147~1.37\MI9C33~1.EXE	3fda575299dfe1e58ffc253959b312013aea3280dff1e45206743a33b9ff75ac.exe
File opened for modification	C:\PROGRA~2\MOZILL~1\UNINST~1.EXE	3fda575299dfe1e58ffc253959b312013aea3280dff1e45206743a33b9ff75ac.exe
File opened for modification	C:\PROGRA~3\Adobe\Setup\{AC76B~1\setup.exe	3fda575299dfe1e58ffc253959b312013aea3280dff1e45206743a33b9ff75ac.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{57A73~1\VC_RED~1.EXE	3fda575299dfe1e58ffc253959b312013aea3280dff1e45206743a33b9ff75ac.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\plug_ins\PI_BRO~1\32BITM~1.EXE	3fda575299dfe1e58ffc253959b312013aea3280dff1e45206743a33b9ff75ac.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.371\GOOGLE~3.EXE	3fda575299dfe1e58ffc253959b312013aea3280dff1e45206743a33b9ff75ac.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\MSEDGE~2.EXE	3fda575299dfe1e58ffc253959b312013aea3280dff1e45206743a33b9ff75ac.exe
File opened for modification	C:\PROGRA~2\Google\Update\DISABL~1.EXE	3fda575299dfe1e58ffc253959b312013aea3280dff1e45206743a33b9ff75ac.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\BHO\IE_TO_~1.EXE	3fda575299dfe1e58ffc253959b312013aea3280dff1e45206743a33b9ff75ac.exe
File opened for modification	C:\PROGRA~2\WINDOW~4\wmplayer.exe	3fda575299dfe1e58ffc253959b312013aea3280dff1e45206743a33b9ff75ac.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\COOKIE~1.EXE	3fda575299dfe1e58ffc253959b312013aea3280dff1e45206743a33b9ff75ac.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\ELEVAT~1.EXE	3fda575299dfe1e58ffc253959b312013aea3280dff1e45206743a33b9ff75ac.exe
File opened for modification	C:\PROGRA~2\COMMON~1\Java\JAVAUP~1\jaureg.exe	3fda575299dfe1e58ffc253959b312013aea3280dff1e45206743a33b9ff75ac.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.371\GOOGLE~2.EXE	3fda575299dfe1e58ffc253959b312013aea3280dff1e45206743a33b9ff75ac.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\svchost.com	3fda575299dfe1e58ffc253959b312013aea3280dff1e45206743a33b9ff75ac.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	3fda575299dfe1e58ffc253959b312013aea3280dff1e45206743a33b9ff75ac.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	3fda575299dfe1e58ffc253959b312013aea3280dff1e45206743a33b9ff75ac.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\" %*"	3fda575299dfe1e58ffc253959b312013aea3280dff1e45206743a33b9ff75ac.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2020	3fda575299dfe1e58ffc253959b312013aea3280dff1e45206743a33b9ff75ac.exe
2020	3fda575299dfe1e58ffc253959b312013aea3280dff1e45206743a33b9ff75ac.exe

Suspicious use of FindShellTrayWindow 4 IoCs

pid	Process
2020	3fda575299dfe1e58ffc253959b312013aea3280dff1e45206743a33b9ff75ac.exe
2020	3fda575299dfe1e58ffc253959b312013aea3280dff1e45206743a33b9ff75ac.exe
2020	3fda575299dfe1e58ffc253959b312013aea3280dff1e45206743a33b9ff75ac.exe
2020	3fda575299dfe1e58ffc253959b312013aea3280dff1e45206743a33b9ff75ac.exe

Suspicious use of SendNotifyMessage 4 IoCs

pid	Process
2020	3fda575299dfe1e58ffc253959b312013aea3280dff1e45206743a33b9ff75ac.exe
2020	3fda575299dfe1e58ffc253959b312013aea3280dff1e45206743a33b9ff75ac.exe
2020	3fda575299dfe1e58ffc253959b312013aea3280dff1e45206743a33b9ff75ac.exe
2020	3fda575299dfe1e58ffc253959b312013aea3280dff1e45206743a33b9ff75ac.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 820 wrote to memory of 2020	820	3fda575299dfe1e58ffc253959b312013aea3280dff1e45206743a33b9ff75ac.exe	86
PID 820 wrote to memory of 2020	820	3fda575299dfe1e58ffc253959b312013aea3280dff1e45206743a33b9ff75ac.exe	86
PID 820 wrote to memory of 2020	820	3fda575299dfe1e58ffc253959b312013aea3280dff1e45206743a33b9ff75ac.exe	86

C:\Users\Admin\AppData\Local\Temp\3fda575299dfe1e58ffc253959b312013aea3280dff1e45206743a33b9ff75ac.exe
"C:\Users\Admin\AppData\Local\Temp\3fda575299dfe1e58ffc253959b312013aea3280dff1e45206743a33b9ff75ac.exe"
1⤵
- Checks computer location settings
- 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:820
- C:\Users\Admin\AppData\Local\Temp\3582-490\3fda575299dfe1e58ffc253959b312013aea3280dff1e45206743a33b9ff75ac.exe
  "C:\Users\Admin\AppData\Local\Temp\3582-490\3fda575299dfe1e58ffc253959b312013aea3280dff1e45206743a33b9ff75ac.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of SendNotifyMessage
  PID:2020

Network

MITRE ATT&CK Enterprise v15

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

Query Registry

T1012

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
3b73078a714bf61d1c19ebc3afc0e454

SHA1
9abeabd74613a2f533e2244c9ee6f967188e4e7e

SHA256
ded54d1fcca07b6bff2bc3b9a1131eac29ff1f836e5d7a7c5c325ec5abe96e29

SHA512
75959d4e8a7649c3268b551a2a378e6d27c0bfb03d2422ebeeb67b0a3f78c079473214057518930f2d72773ce79b106fd2d78405e8e3d8883459dcbb49c163c4

Download Submit
C:\Users\Admin\AppData\Local\Temp\3582-490\3fda575299dfe1e58ffc253959b312013aea3280dff1e45206743a33b9ff75ac.exe

Filesize
6.3MB

MD5
75c01408663e26525d30a624cc0c00c4

SHA1
fc22476b1d631872aaa2f6a468745ddfb08c2059

SHA256
560959ef88362be74ace1c421b883c5679fa1e1ea341ed72b6e926cf451227df

SHA512
1b0674ce5c4bc4d367afdece77c5d3c0116f1858493f0d3cd7b801f1b010dbf36354a2312a0bc6f8a674de97041dd4ab67c247f5c3bb53955b531b36ffa02545

Download Submit
memory/820-100-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/820-104-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/820-106-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/820-109-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

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memory/2020-12-0x0000000004240000-0x0000000004241000-memory.dmp

Filesize
4KB

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memory/2020-50-0x00000000042A0000-0x00000000042B0000-memory.dmp

Filesize
64KB

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memory/2020-102-0x0000000004240000-0x0000000004241000-memory.dmp

Filesize
4KB

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memory/2020-101-0x0000000000400000-0x0000000000A9A000-memory.dmp

Filesize
6.6MB

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memory/2020-103-0x00000000042A0000-0x00000000042B0000-memory.dmp

Filesize
64KB

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memory/2020-105-0x0000000000400000-0x0000000000A9A000-memory.dmp

Filesize
6.6MB

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