neshta | 971a1bd5a56872b510922a48f39afaf61f4b438cd7108cad4c794e07a6422ceb

Analysis

max time kernel
142s
max time network
109s
platform
windows10-2004_x64
resource
win10v2004-20220901-en
resource tags

arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
submitted
29/11/2022, 08:04

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General

Target

971a1bd5a56872b510922a48f39afaf61f4b438cd7108cad4c794e07a6422ceb.exe
Size

579KB
MD5

2e6a54362d92c5f0f928efff2aa32941
SHA1

3205e3d1e111e6e0e82044818684db3f7655791c
SHA256

971a1bd5a56872b510922a48f39afaf61f4b438cd7108cad4c794e07a6422ceb
SHA512

305f09ccd4c4253e4c370b35ba43fce6627911bd085a2df8a3aa791f28474e36d2a8a9094e39548b86b425c9257898cd3505c62db5315cbcfe55d05522279654
SSDEEP

12288:rD5BmZVdUJDJWmZNDPjAA4XdYgqfvjaU:WgbPjAA4XdYgqXj

Score

10^/10

neshta persistence spyware stealer

Malware Config

Signatures

Modifies system executable filetype association 2 TTPs 1 IoCs

persistence

Modify Registry

T1112

Change Default File Association

T1042

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Windows\\svchost.com \"%1\" %*"	971a1bd5a56872b510922a48f39afaf61f4b438cd7108cad4c794e07a6422ceb.exe

Neshta
Malware from the neshta family is designed to infect itself into other files to spread itself and cause damage.
persistence spyware neshta

Executes dropped EXE 1 IoCs

pid	Process
3280	971a1bd5a56872b510922a48f39afaf61f4b438cd7108cad4c794e07a6422ceb.exe

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-1-5-21-929662420-1054238289-2961194603-1000\Control Panel\International\Geo\Nation	971a1bd5a56872b510922a48f39afaf61f4b438cd7108cad4c794e07a6422ceb.exe

Loads dropped DLL 1 IoCs

pid	Process
3280	971a1bd5a56872b510922a48f39afaf61f4b438cd7108cad4c794e07a6422ceb.exe

Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File opened for modification	C:\PROGRA~2\MICROS~1\EDGEUP~1\13167~1.21\MI391D~1.EXE	971a1bd5a56872b510922a48f39afaf61f4b438cd7108cad4c794e07a6422ceb.exe
File opened for modification	C:\PROGRA~2\WINDOW~2\wab.exe	971a1bd5a56872b510922a48f39afaf61f4b438cd7108cad4c794e07a6422ceb.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{33D1F~1\VCREDI~1.EXE	971a1bd5a56872b510922a48f39afaf61f4b438cd7108cad4c794e07a6422ceb.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\plug_ins\PI_BRO~1\64BITM~1.EXE	971a1bd5a56872b510922a48f39afaf61f4b438cd7108cad4c794e07a6422ceb.exe
File opened for modification	C:\PROGRA~2\COMMON~1\Adobe\ARM\1.0\ADOBEA~1.EXE	971a1bd5a56872b510922a48f39afaf61f4b438cd7108cad4c794e07a6422ceb.exe
File opened for modification	C:\PROGRA~2\COMMON~1\Java\JAVAUP~1\jucheck.exe	971a1bd5a56872b510922a48f39afaf61f4b438cd7108cad4c794e07a6422ceb.exe
File opened for modification	C:\PROGRA~2\MICROS~1\EDGEUP~1\13167~1.21\MICROS~4.EXE	971a1bd5a56872b510922a48f39afaf61f4b438cd7108cad4c794e07a6422ceb.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\ELEVAT~1.EXE	971a1bd5a56872b510922a48f39afaf61f4b438cd7108cad4c794e07a6422ceb.exe
File opened for modification	C:\PROGRA~2\COMMON~1\Adobe\ARM\1.0\AdobeARM.exe	971a1bd5a56872b510922a48f39afaf61f4b438cd7108cad4c794e07a6422ceb.exe
File opened for modification	C:\PROGRA~2\COMMON~1\Java\JAVAUP~1\jusched.exe	971a1bd5a56872b510922a48f39afaf61f4b438cd7108cad4c794e07a6422ceb.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.71\GOF5E2~1.EXE	971a1bd5a56872b510922a48f39afaf61f4b438cd7108cad4c794e07a6422ceb.exe
File opened for modification	C:\PROGRA~2\INTERN~1\ieinstal.exe	971a1bd5a56872b510922a48f39afaf61f4b438cd7108cad4c794e07a6422ceb.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\IDENTI~1.EXE	971a1bd5a56872b510922a48f39afaf61f4b438cd7108cad4c794e07a6422ceb.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\msedge.exe	971a1bd5a56872b510922a48f39afaf61f4b438cd7108cad4c794e07a6422ceb.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\MSEDGE~1.EXE	971a1bd5a56872b510922a48f39afaf61f4b438cd7108cad4c794e07a6422ceb.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\MSEDGE~1.EXE	971a1bd5a56872b510922a48f39afaf61f4b438cd7108cad4c794e07a6422ceb.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\ACROBR~1.EXE	971a1bd5a56872b510922a48f39afaf61f4b438cd7108cad4c794e07a6422ceb.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\ACROTE~1.EXE	971a1bd5a56872b510922a48f39afaf61f4b438cd7108cad4c794e07a6422ceb.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\Eula.exe	971a1bd5a56872b510922a48f39afaf61f4b438cd7108cad4c794e07a6422ceb.exe
File opened for modification	C:\PROGRA~2\INTERN~1\ielowutil.exe	971a1bd5a56872b510922a48f39afaf61f4b438cd7108cad4c794e07a6422ceb.exe
File opened for modification	C:\PROGRA~2\WINDOW~2\wabmig.exe	971a1bd5a56872b510922a48f39afaf61f4b438cd7108cad4c794e07a6422ceb.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.71\GOOGLE~2.EXE	971a1bd5a56872b510922a48f39afaf61f4b438cd7108cad4c794e07a6422ceb.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\msedge.exe	971a1bd5a56872b510922a48f39afaf61f4b438cd7108cad4c794e07a6422ceb.exe
File opened for modification	C:\PROGRA~2\WINDOW~4\wmlaunch.exe	971a1bd5a56872b510922a48f39afaf61f4b438cd7108cad4c794e07a6422ceb.exe
File opened for modification	C:\PROGRA~3\Adobe\Setup\{AC76B~1\setup.exe	971a1bd5a56872b510922a48f39afaf61f4b438cd7108cad4c794e07a6422ceb.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\AcroCEF\RdrCEF.exe	971a1bd5a56872b510922a48f39afaf61f4b438cd7108cad4c794e07a6422ceb.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\VSTO\10.0\VSTOIN~1.EXE	971a1bd5a56872b510922a48f39afaf61f4b438cd7108cad4c794e07a6422ceb.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.71\GOOGLE~3.EXE	971a1bd5a56872b510922a48f39afaf61f4b438cd7108cad4c794e07a6422ceb.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.71\GO664E~1.EXE	971a1bd5a56872b510922a48f39afaf61f4b438cd7108cad4c794e07a6422ceb.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{CA675~1\VCREDI~1.EXE	971a1bd5a56872b510922a48f39afaf61f4b438cd7108cad4c794e07a6422ceb.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\BHO\IE_TO_~1.EXE	971a1bd5a56872b510922a48f39afaf61f4b438cd7108cad4c794e07a6422ceb.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\MSEDGE~2.EXE	971a1bd5a56872b510922a48f39afaf61f4b438cd7108cad4c794e07a6422ceb.exe
File opened for modification	C:\PROGRA~2\MICROS~1\EDGEUP~1\MicrosoftEdgeUpdate.exe	971a1bd5a56872b510922a48f39afaf61f4b438cd7108cad4c794e07a6422ceb.exe
File opened for modification	C:\PROGRA~2\WINDOW~4\setup_wm.exe	971a1bd5a56872b510922a48f39afaf61f4b438cd7108cad4c794e07a6422ceb.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\Browser\WCCHRO~1\WCCHRO~1.EXE	971a1bd5a56872b510922a48f39afaf61f4b438cd7108cad4c794e07a6422ceb.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\WOW_HE~1.EXE	971a1bd5a56872b510922a48f39afaf61f4b438cd7108cad4c794e07a6422ceb.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\MSInfo\msinfo32.exe	971a1bd5a56872b510922a48f39afaf61f4b438cd7108cad4c794e07a6422ceb.exe
File opened for modification	C:\PROGRA~2\INTERN~1\ExtExport.exe	971a1bd5a56872b510922a48f39afaf61f4b438cd7108cad4c794e07a6422ceb.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\READER~1.EXE	971a1bd5a56872b510922a48f39afaf61f4b438cd7108cad4c794e07a6422ceb.exe
File opened for modification	C:\PROGRA~2\MICROS~1\EDGEUP~1\13167~1.21\MI9C33~1.EXE	971a1bd5a56872b510922a48f39afaf61f4b438cd7108cad4c794e07a6422ceb.exe
File opened for modification	C:\PROGRA~2\MOZILL~1\MAINTE~1.EXE	971a1bd5a56872b510922a48f39afaf61f4b438cd7108cad4c794e07a6422ceb.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{EF6B0~1\VCREDI~1.EXE	971a1bd5a56872b510922a48f39afaf61f4b438cd7108cad4c794e07a6422ceb.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\AcroRd32.exe	971a1bd5a56872b510922a48f39afaf61f4b438cd7108cad4c794e07a6422ceb.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{57A73~1\VC_RED~1.EXE	971a1bd5a56872b510922a48f39afaf61f4b438cd7108cad4c794e07a6422ceb.exe
File opened for modification	C:\PROGRA~2\WINDOW~4\wmpshare.exe	971a1bd5a56872b510922a48f39afaf61f4b438cd7108cad4c794e07a6422ceb.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\INSTAL~1\setup.exe	971a1bd5a56872b510922a48f39afaf61f4b438cd7108cad4c794e07a6422ceb.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\MSEDGE~3.EXE	971a1bd5a56872b510922a48f39afaf61f4b438cd7108cad4c794e07a6422ceb.exe
File opened for modification	C:\PROGRA~2\MOZILL~1\UNINST~1.EXE	971a1bd5a56872b510922a48f39afaf61f4b438cd7108cad4c794e07a6422ceb.exe
File opened for modification	C:\PROGRA~2\WINDOW~4\wmpconfig.exe	971a1bd5a56872b510922a48f39afaf61f4b438cd7108cad4c794e07a6422ceb.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\FULLTR~1.EXE	971a1bd5a56872b510922a48f39afaf61f4b438cd7108cad4c794e07a6422ceb.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.71\GOBD5D~1.EXE	971a1bd5a56872b510922a48f39afaf61f4b438cd7108cad4c794e07a6422ceb.exe
File opened for modification	C:\PROGRA~2\WINDOW~4\wmplayer.exe	971a1bd5a56872b510922a48f39afaf61f4b438cd7108cad4c794e07a6422ceb.exe
File opened for modification	C:\PROGRA~2\WINDOW~3\ACCESS~1\wordpad.exe	971a1bd5a56872b510922a48f39afaf61f4b438cd7108cad4c794e07a6422ceb.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\plug_ins\PI_BRO~1\32BITM~1.EXE	971a1bd5a56872b510922a48f39afaf61f4b438cd7108cad4c794e07a6422ceb.exe
File opened for modification	C:\PROGRA~2\MICROS~1\EDGEUP~1\13167~1.21\MICROS~1.EXE	971a1bd5a56872b510922a48f39afaf61f4b438cd7108cad4c794e07a6422ceb.exe
File opened for modification	C:\PROGRA~2\MICROS~1\EDGEUP~1\13167~1.21\MICROS~3.EXE	971a1bd5a56872b510922a48f39afaf61f4b438cd7108cad4c794e07a6422ceb.exe
File opened for modification	C:\PROGRA~3\MICROS~1\CLICKT~1\{9AC08~1\INTEGR~1.EXE	971a1bd5a56872b510922a48f39afaf61f4b438cd7108cad4c794e07a6422ceb.exe
File opened for modification	C:\PROGRA~2\COMMON~1\Java\JAVAUP~1\jaureg.exe	971a1bd5a56872b510922a48f39afaf61f4b438cd7108cad4c794e07a6422ceb.exe
File opened for modification	C:\PROGRA~2\INTERN~1\iexplore.exe	971a1bd5a56872b510922a48f39afaf61f4b438cd7108cad4c794e07a6422ceb.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\COOKIE~1.EXE	971a1bd5a56872b510922a48f39afaf61f4b438cd7108cad4c794e07a6422ceb.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{4D8DC~1\VC_RED~1.EXE	971a1bd5a56872b510922a48f39afaf61f4b438cd7108cad4c794e07a6422ceb.exe
File opened for modification	C:\PROGRA~2\MICROS~1\EDGEUP~1\Download\{F3C4F~1\13167~1.21\MICROS~1.EXE	971a1bd5a56872b510922a48f39afaf61f4b438cd7108cad4c794e07a6422ceb.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\arh.exe	971a1bd5a56872b510922a48f39afaf61f4b438cd7108cad4c794e07a6422ceb.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.71\GOOGLE~1.EXE	971a1bd5a56872b510922a48f39afaf61f4b438cd7108cad4c794e07a6422ceb.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\svchost.com	971a1bd5a56872b510922a48f39afaf61f4b438cd7108cad4c794e07a6422ceb.exe

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

System Information Discovery
T1082

Modifies registry class 1 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Windows\\svchost.com \"%1\" %*"	971a1bd5a56872b510922a48f39afaf61f4b438cd7108cad4c794e07a6422ceb.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4816 wrote to memory of 3280	4816	971a1bd5a56872b510922a48f39afaf61f4b438cd7108cad4c794e07a6422ceb.exe	81
PID 4816 wrote to memory of 3280	4816	971a1bd5a56872b510922a48f39afaf61f4b438cd7108cad4c794e07a6422ceb.exe	81
PID 4816 wrote to memory of 3280	4816	971a1bd5a56872b510922a48f39afaf61f4b438cd7108cad4c794e07a6422ceb.exe	81

C:\Users\Admin\AppData\Local\Temp\971a1bd5a56872b510922a48f39afaf61f4b438cd7108cad4c794e07a6422ceb.exe
"C:\Users\Admin\AppData\Local\Temp\971a1bd5a56872b510922a48f39afaf61f4b438cd7108cad4c794e07a6422ceb.exe"
1⤵
- Modifies system executable filetype association
- Checks computer location settings
- Drops file in Program Files directory
- Drops file in Windows directory
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:4816
- C:\Users\Admin\AppData\Local\Temp\3582-490\971a1bd5a56872b510922a48f39afaf61f4b438cd7108cad4c794e07a6422ceb.exe
  "C:\Users\Admin\AppData\Local\Temp\3582-490\971a1bd5a56872b510922a48f39afaf61f4b438cd7108cad4c794e07a6422ceb.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  PID:3280

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Change Default File Association

T1042

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Credentials in Files

T1081

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\3582-490\971a1bd5a56872b510922a48f39afaf61f4b438cd7108cad4c794e07a6422ceb.exe

Filesize
539KB

MD5
660fa162191f8d830d3c2b1b7ec92b61

SHA1
bc8fba2e12ebddea32981aeda8d07011f82f4ee4

SHA256
ec82e0a90149a948b4d4343b028ab73f34f8301ee9af72f1f8ea5f0282bc8fac

SHA512
ddce5d1b20c365f11ce52e3a6f947c12c81583d4ed578d4d47653d54efdaaf2fe9ed79a036fc0a96ed6b75a4cfcbd2e19b8350edb60cb617610ef61265b2b5b3

Download Submit
C:\Users\Admin\AppData\Local\Temp\3582-490\971a1bd5a56872b510922a48f39afaf61f4b438cd7108cad4c794e07a6422ceb.exe

Filesize
539KB

MD5
660fa162191f8d830d3c2b1b7ec92b61

SHA1
bc8fba2e12ebddea32981aeda8d07011f82f4ee4

SHA256
ec82e0a90149a948b4d4343b028ab73f34f8301ee9af72f1f8ea5f0282bc8fac

SHA512
ddce5d1b20c365f11ce52e3a6f947c12c81583d4ed578d4d47653d54efdaaf2fe9ed79a036fc0a96ed6b75a4cfcbd2e19b8350edb60cb617610ef61265b2b5b3

Download Submit
C:\Users\Admin\AppData\Local\Temp\nsmCD77.tmp\System.dll

Filesize
9KB

MD5
ae182dc797cd9ad2c025066692fc041b

SHA1
7ee5f057be9febfa77f698a1b12213a5bbdd4742

SHA256
b214f6d6c4d27f749105f7e8846a7c2d475dbcc966876370b5a7dab6e4b8a471

SHA512
2a9a200d067df47638a86f4f058c6d78fb59bd064c65650cae5022a62a3714e33f93f6af1dd599fda180d5af18f432835a1f909807f4fb459aa9d6c24e3fbab7

Download Submit