neshta | b4c236a9c1b689d581dff93bf09f033ae3f232631a0f66b361fc9f4e621d9b66

Analysis

max time kernel
93s
max time network
137s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
25-11-2024 03:02

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General

Target

b4c236a9c1b689d581dff93bf09f033ae3f232631a0f66b361fc9f4e621d9b66.exe
Size

3.1MB
MD5

6a9617db3cf482788d7b5bc8b1096051
SHA1

dc8677f30538ad417d76df55a6ec46db940fa84b
SHA256

b4c236a9c1b689d581dff93bf09f033ae3f232631a0f66b361fc9f4e621d9b66
SHA512

5d9f68318b78786c5cabc3e159ade11749cb4e9b6f8af81cb69c13a6431f07ef149f8e7c17e881fb59417aaa59986016cdd52f8236fbe1fcad994d45dd0c71e3
SSDEEP

98304:/MHcPfjSlwSeNKuxDFL0hQNFqyQGaMrmhwJttwjEX2BsqEHuy2t0rJx48x64D:/MHcPmlwSeNKuxDFL0hQNFqyQGaMrmh+

Score

10^/10

neshta discovery persistence spyware stealer

Malware Config

Signatures

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

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-1-5-21-3350944739-639801879-157714471-1000\Control Panel\International\Geo\Nation	b4c236a9c1b689d581dff93bf09f033ae3f232631a0f66b361fc9f4e621d9b66.exe

Executes dropped EXE 1 IoCs

pid	Process
3728	b4c236a9c1b689d581dff93bf09f033ae3f232631a0f66b361fc9f4e621d9b66.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\" %*"	b4c236a9c1b689d581dff93bf09f033ae3f232631a0f66b361fc9f4e621d9b66.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\Adobe\ACROBA~1\Reader\ACROTE~1.EXE	b4c236a9c1b689d581dff93bf09f033ae3f232631a0f66b361fc9f4e621d9b66.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\ADOBEC~1.EXE	b4c236a9c1b689d581dff93bf09f033ae3f232631a0f66b361fc9f4e621d9b66.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\MSInfo\msinfo32.exe	b4c236a9c1b689d581dff93bf09f033ae3f232631a0f66b361fc9f4e621d9b66.exe
File opened for modification	C:\PROGRA~2\COMMON~1\Oracle\Java\javapath\java.exe	b4c236a9c1b689d581dff93bf09f033ae3f232631a0f66b361fc9f4e621d9b66.exe
File opened for modification	C:\PROGRA~2\COMMON~1\Oracle\Java\javapath\javaw.exe	b4c236a9c1b689d581dff93bf09f033ae3f232631a0f66b361fc9f4e621d9b66.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\IDENTI~1.EXE	b4c236a9c1b689d581dff93bf09f033ae3f232631a0f66b361fc9f4e621d9b66.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\INSTAL~1\setup.exe	b4c236a9c1b689d581dff93bf09f033ae3f232631a0f66b361fc9f4e621d9b66.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\MSEDGE~1.EXE	b4c236a9c1b689d581dff93bf09f033ae3f232631a0f66b361fc9f4e621d9b66.exe
File opened for modification	C:\PROGRA~2\MICROS~1\EDGEUP~1\13147~1.37\MICROS~1.EXE	b4c236a9c1b689d581dff93bf09f033ae3f232631a0f66b361fc9f4e621d9b66.exe
File opened for modification	C:\PROGRA~2\MICROS~1\EDGEUP~1\13147~1.37\MIA062~1.EXE	b4c236a9c1b689d581dff93bf09f033ae3f232631a0f66b361fc9f4e621d9b66.exe
File opened for modification	C:\PROGRA~2\WINDOW~3\ACCESS~1\wordpad.exe	b4c236a9c1b689d581dff93bf09f033ae3f232631a0f66b361fc9f4e621d9b66.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{33D1F~1\VCREDI~1.EXE	b4c236a9c1b689d581dff93bf09f033ae3f232631a0f66b361fc9f4e621d9b66.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{57A73~1\VC_RED~1.EXE	b4c236a9c1b689d581dff93bf09f033ae3f232631a0f66b361fc9f4e621d9b66.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\AcroCEF\RdrCEF.exe	b4c236a9c1b689d581dff93bf09f033ae3f232631a0f66b361fc9f4e621d9b66.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\COOKIE~1.EXE	b4c236a9c1b689d581dff93bf09f033ae3f232631a0f66b361fc9f4e621d9b66.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\Browser\WCCHRO~1\WCCHRO~1.EXE	b4c236a9c1b689d581dff93bf09f033ae3f232631a0f66b361fc9f4e621d9b66.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.371\GOOGLE~4.EXE	b4c236a9c1b689d581dff93bf09f033ae3f232631a0f66b361fc9f4e621d9b66.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.371\GOOGLE~1.EXE	b4c236a9c1b689d581dff93bf09f033ae3f232631a0f66b361fc9f4e621d9b66.exe
File opened for modification	C:\PROGRA~2\INTERN~1\ExtExport.exe	b4c236a9c1b689d581dff93bf09f033ae3f232631a0f66b361fc9f4e621d9b66.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\BHO\IE_TO_~1.EXE	b4c236a9c1b689d581dff93bf09f033ae3f232631a0f66b361fc9f4e621d9b66.exe
File opened for modification	C:\PROGRA~2\MICROS~1\EDGEUP~1\13147~1.37\MID1AD~1.EXE	b4c236a9c1b689d581dff93bf09f033ae3f232631a0f66b361fc9f4e621d9b66.exe
File opened for modification	C:\PROGRA~2\WINDOW~4\wmpconfig.exe	b4c236a9c1b689d581dff93bf09f033ae3f232631a0f66b361fc9f4e621d9b66.exe
File opened for modification	C:\PROGRA~2\WI8A19~1\ImagingDevices.exe	b4c236a9c1b689d581dff93bf09f033ae3f232631a0f66b361fc9f4e621d9b66.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.371\GO664E~1.EXE	b4c236a9c1b689d581dff93bf09f033ae3f232631a0f66b361fc9f4e621d9b66.exe
File opened for modification	C:\PROGRA~3\MICROS~1\CLICKT~1\{9AC08~1\INTEGR~1.EXE	b4c236a9c1b689d581dff93bf09f033ae3f232631a0f66b361fc9f4e621d9b66.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\plug_ins\PI_BRO~1\32BITM~1.EXE	b4c236a9c1b689d581dff93bf09f033ae3f232631a0f66b361fc9f4e621d9b66.exe
File opened for modification	C:\PROGRA~2\COMMON~1\Adobe\ARM\1.0\AdobeARM.exe	b4c236a9c1b689d581dff93bf09f033ae3f232631a0f66b361fc9f4e621d9b66.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\VSTO\10.0\VSTOIN~1.EXE	b4c236a9c1b689d581dff93bf09f033ae3f232631a0f66b361fc9f4e621d9b66.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\ACROBR~1.EXE	b4c236a9c1b689d581dff93bf09f033ae3f232631a0f66b361fc9f4e621d9b66.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\arh.exe	b4c236a9c1b689d581dff93bf09f033ae3f232631a0f66b361fc9f4e621d9b66.exe
File opened for modification	C:\PROGRA~2\COMMON~1\Java\JAVAUP~1\jaureg.exe	b4c236a9c1b689d581dff93bf09f033ae3f232631a0f66b361fc9f4e621d9b66.exe
File opened for modification	C:\PROGRA~2\INTERN~1\ieinstal.exe	b4c236a9c1b689d581dff93bf09f033ae3f232631a0f66b361fc9f4e621d9b66.exe
File opened for modification	C:\PROGRA~2\MOZILL~1\MAINTE~1.EXE	b4c236a9c1b689d581dff93bf09f033ae3f232631a0f66b361fc9f4e621d9b66.exe
File opened for modification	C:\PROGRA~2\WINDOW~4\wmplayer.exe	b4c236a9c1b689d581dff93bf09f033ae3f232631a0f66b361fc9f4e621d9b66.exe
File opened for modification	C:\PROGRA~2\WINDOW~4\wmpshare.exe	b4c236a9c1b689d581dff93bf09f033ae3f232631a0f66b361fc9f4e621d9b66.exe
File opened for modification	C:\PROGRA~3\Adobe\Setup\{AC76B~1\setup.exe	b4c236a9c1b689d581dff93bf09f033ae3f232631a0f66b361fc9f4e621d9b66.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\WOW_HE~1.EXE	b4c236a9c1b689d581dff93bf09f033ae3f232631a0f66b361fc9f4e621d9b66.exe
File opened for modification	C:\PROGRA~2\INTERN~1\ielowutil.exe	b4c236a9c1b689d581dff93bf09f033ae3f232631a0f66b361fc9f4e621d9b66.exe
File opened for modification	C:\PROGRA~2\MICROS~1\EDGEUP~1\13147~1.37\MI9C33~1.EXE	b4c236a9c1b689d581dff93bf09f033ae3f232631a0f66b361fc9f4e621d9b66.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\ADelRCP.exe	b4c236a9c1b689d581dff93bf09f033ae3f232631a0f66b361fc9f4e621d9b66.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\LOGTRA~1.EXE	b4c236a9c1b689d581dff93bf09f033ae3f232631a0f66b361fc9f4e621d9b66.exe
File opened for modification	C:\PROGRA~2\COMMON~1\Adobe\ARM\1.0\ADOBEA~1.EXE	b4c236a9c1b689d581dff93bf09f033ae3f232631a0f66b361fc9f4e621d9b66.exe
File opened for modification	C:\PROGRA~2\COMMON~1\Oracle\Java\javapath\javaws.exe	b4c236a9c1b689d581dff93bf09f033ae3f232631a0f66b361fc9f4e621d9b66.exe
File opened for modification	C:\PROGRA~2\Google\Update\DISABL~1.EXE	b4c236a9c1b689d581dff93bf09f033ae3f232631a0f66b361fc9f4e621d9b66.exe
File opened for modification	C:\PROGRA~2\INTERN~1\iexplore.exe	b4c236a9c1b689d581dff93bf09f033ae3f232631a0f66b361fc9f4e621d9b66.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\MSEDGE~1.EXE	b4c236a9c1b689d581dff93bf09f033ae3f232631a0f66b361fc9f4e621d9b66.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{EF6B0~1\VCREDI~1.EXE	b4c236a9c1b689d581dff93bf09f033ae3f232631a0f66b361fc9f4e621d9b66.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\AcroRd32.exe	b4c236a9c1b689d581dff93bf09f033ae3f232631a0f66b361fc9f4e621d9b66.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\Eula.exe	b4c236a9c1b689d581dff93bf09f033ae3f232631a0f66b361fc9f4e621d9b66.exe
File opened for modification	C:\PROGRA~2\MICROS~1\EDGEUP~1\13147~1.37\MICROS~4.EXE	b4c236a9c1b689d581dff93bf09f033ae3f232631a0f66b361fc9f4e621d9b66.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\MSEDGE~3.EXE	b4c236a9c1b689d581dff93bf09f033ae3f232631a0f66b361fc9f4e621d9b66.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\MSEDGE~2.EXE	b4c236a9c1b689d581dff93bf09f033ae3f232631a0f66b361fc9f4e621d9b66.exe
File opened for modification	C:\PROGRA~2\MICROS~1\EDGEUP~1\13147~1.37\MICROS~2.EXE	b4c236a9c1b689d581dff93bf09f033ae3f232631a0f66b361fc9f4e621d9b66.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{CA675~1\VCREDI~1.EXE	b4c236a9c1b689d581dff93bf09f033ae3f232631a0f66b361fc9f4e621d9b66.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{EF5AF~1\WINDOW~1.EXE	b4c236a9c1b689d581dff93bf09f033ae3f232631a0f66b361fc9f4e621d9b66.exe
File opened for modification	C:\PROGRA~2\WINDOW~2\wabmig.exe	b4c236a9c1b689d581dff93bf09f033ae3f232631a0f66b361fc9f4e621d9b66.exe
File opened for modification	C:\PROGRA~2\WINDOW~4\wmlaunch.exe	b4c236a9c1b689d581dff93bf09f033ae3f232631a0f66b361fc9f4e621d9b66.exe
File opened for modification	C:\PROGRA~2\WINDOW~4\wmprph.exe	b4c236a9c1b689d581dff93bf09f033ae3f232631a0f66b361fc9f4e621d9b66.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\FULLTR~1.EXE	b4c236a9c1b689d581dff93bf09f033ae3f232631a0f66b361fc9f4e621d9b66.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\plug_ins\PI_BRO~1\64BITM~1.EXE	b4c236a9c1b689d581dff93bf09f033ae3f232631a0f66b361fc9f4e621d9b66.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.371\GOBD5D~1.EXE	b4c236a9c1b689d581dff93bf09f033ae3f232631a0f66b361fc9f4e621d9b66.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.371\GOOGLE~2.EXE	b4c236a9c1b689d581dff93bf09f033ae3f232631a0f66b361fc9f4e621d9b66.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\msedge.exe	b4c236a9c1b689d581dff93bf09f033ae3f232631a0f66b361fc9f4e621d9b66.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\NOTIFI~1.EXE	b4c236a9c1b689d581dff93bf09f033ae3f232631a0f66b361fc9f4e621d9b66.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\svchost.com	b4c236a9c1b689d581dff93bf09f033ae3f232631a0f66b361fc9f4e621d9b66.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 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	b4c236a9c1b689d581dff93bf09f033ae3f232631a0f66b361fc9f4e621d9b66.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\" %*"	b4c236a9c1b689d581dff93bf09f033ae3f232631a0f66b361fc9f4e621d9b66.exe

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 2284 wrote to memory of 3728	2284	b4c236a9c1b689d581dff93bf09f033ae3f232631a0f66b361fc9f4e621d9b66.exe	83
PID 2284 wrote to memory of 3728	2284	b4c236a9c1b689d581dff93bf09f033ae3f232631a0f66b361fc9f4e621d9b66.exe	83

C:\Users\Admin\AppData\Local\Temp\b4c236a9c1b689d581dff93bf09f033ae3f232631a0f66b361fc9f4e621d9b66.exe
"C:\Users\Admin\AppData\Local\Temp\b4c236a9c1b689d581dff93bf09f033ae3f232631a0f66b361fc9f4e621d9b66.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:2284
- C:\Users\Admin\AppData\Local\Temp\3582-490\b4c236a9c1b689d581dff93bf09f033ae3f232631a0f66b361fc9f4e621d9b66.exe
  "C:\Users\Admin\AppData\Local\Temp\3582-490\b4c236a9c1b689d581dff93bf09f033ae3f232631a0f66b361fc9f4e621d9b66.exe"
  2⤵
  - Executes dropped EXE
  PID:3728

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

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Downloads

C:\PROGRA~2\Adobe\ACROBA~1\Reader\AcroRd32.exe

Filesize
2.4MB

MD5
d9e8a1fa55faebd36ed2342fedefbedd

SHA1
c25cc7f0035488de9c5df0121a09b5100e1c28e9

SHA256
bd7696911d75a9a35dfd125b24cb95003f1e9598592df47fa23a2568986a4a9a

SHA512
134644c68bd04536e9ea0a5da6e334d36b1ce8012a061fa6dabd31f85c16a1ac9eee8c40fee3d55f25c4d4edf0672de8ce204e344c800361cbcff092c09d7a33

Download Submit
C:\Users\Admin\AppData\Local\Temp\3582-490\b4c236a9c1b689d581dff93bf09f033ae3f232631a0f66b361fc9f4e621d9b66.exe

Filesize
3.0MB

MD5
9043ef791b6846973f07ed96a79dbb2b

SHA1
4592c62cc6e6e04327719965e45af61e4f884547

SHA256
7bd528732627614de252c3bcf78d42159e8a1d0619fe4383aeda829ac5c0e384

SHA512
81b1114cef2d1d79efe610e9687a53854f71f2d537df3efc0d415e960b14915a8201b89dd080fc579cae62b96283025b20560832571d55848071fd5f3a206414

Download Submit
memory/2284-96-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/2284-97-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/2284-99-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads