neshta | b95eb8253ab1a156cc66db26fe76b9a9f9a22875182d6d6040159510d2557f3d

Analysis

max time kernel
142s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20231025-en
resource tags

arch:x64arch:x86image:win10v2004-20231025-enlocale:en-usos:windows10-2004-x64system
submitted
17-11-2023 17:19

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General

Target

NEAS.5f7223519a7909e26363aa854c654b14.exe
Size

594KB
MD5

5f7223519a7909e26363aa854c654b14
SHA1

9f601ae71dfe688cd799a4f761573064e71959fd
SHA256

b95eb8253ab1a156cc66db26fe76b9a9f9a22875182d6d6040159510d2557f3d
SHA512

9b69bc78252819bfc3a6ed898c0280a6dec24efe715aa43a82d18feee652977811d9f72ba6bf43f2453211f986985a5b8c16866d05827b48856b436807d8bfe4
SSDEEP

12288:60l6e8A3xa64U0rA/EeXd2z6Vk/U60jPdD4V0Kan6t9d5dA4zg8Y9mU:VdD00RoRA47Y9mU

Score

10^/10

neshta persistence spyware stealer

Malware Config

Signatures

Detect Neshta payload 13 IoCs

resource	yara_rule
behavioral2/files/0x000700000001effd-14.dat	family_neshta
behavioral2/memory/3408-75-0x0000000000400000-0x000000000041B000-memory.dmp	family_neshta
behavioral2/memory/3408-94-0x0000000000400000-0x000000000041B000-memory.dmp	family_neshta
behavioral2/memory/3408-95-0x0000000000400000-0x000000000041B000-memory.dmp	family_neshta
behavioral2/memory/3408-96-0x0000000000400000-0x000000000041B000-memory.dmp	family_neshta
behavioral2/memory/3408-97-0x0000000000400000-0x000000000041B000-memory.dmp	family_neshta
behavioral2/memory/3408-98-0x0000000000400000-0x000000000041B000-memory.dmp	family_neshta
behavioral2/memory/3408-99-0x0000000000400000-0x000000000041B000-memory.dmp	family_neshta
behavioral2/memory/3408-100-0x0000000000400000-0x000000000041B000-memory.dmp	family_neshta
behavioral2/memory/3408-101-0x0000000000400000-0x000000000041B000-memory.dmp	family_neshta
behavioral2/memory/3408-102-0x0000000000400000-0x000000000041B000-memory.dmp	family_neshta
behavioral2/memory/3408-103-0x0000000000400000-0x000000000041B000-memory.dmp	family_neshta
behavioral2/memory/3408-104-0x0000000000400000-0x000000000041B000-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-1-5-21-177160434-2093019976-369403398-1000\Control Panel\International\Geo\Nation	NEAS.5f7223519a7909e26363aa854c654b14.exe

Executes dropped EXE 1 IoCs

pid	Process
1708	NEAS.5f7223519a7909e26363aa854c654b14.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\" %*"	NEAS.5f7223519a7909e26363aa854c654b14.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
T1552.001

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File opened for modification	C:\PROGRA~2\WINDOW~4\wmplayer.exe	NEAS.5f7223519a7909e26363aa854c654b14.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{33D1F~1\VCREDI~1.EXE	NEAS.5f7223519a7909e26363aa854c654b14.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOOGLE~1.EXE	NEAS.5f7223519a7909e26363aa854c654b14.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\COOKIE~1.EXE	NEAS.5f7223519a7909e26363aa854c654b14.exe
File opened for modification	C:\PROGRA~2\WI8A19~1\ImagingDevices.exe	NEAS.5f7223519a7909e26363aa854c654b14.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\ADOBEC~1.EXE	NEAS.5f7223519a7909e26363aa854c654b14.exe
File opened for modification	C:\PROGRA~2\COMMON~1\Adobe\ARM\1.0\ADOBEA~1.EXE	NEAS.5f7223519a7909e26363aa854c654b14.exe
File opened for modification	C:\PROGRA~2\MICROS~1\EDGEUP~1\13177~1.11\MICROS~1.EXE	NEAS.5f7223519a7909e26363aa854c654b14.exe
File opened for modification	C:\PROGRA~2\COMMON~1\Oracle\Java\javapath\java.exe	NEAS.5f7223519a7909e26363aa854c654b14.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\MSEDGE~1.EXE	NEAS.5f7223519a7909e26363aa854c654b14.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\plug_ins\PI_BRO~1\64BITM~1.EXE	NEAS.5f7223519a7909e26363aa854c654b14.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\WOW_HE~1.EXE	NEAS.5f7223519a7909e26363aa854c654b14.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\INSTAL~1\setup.exe	NEAS.5f7223519a7909e26363aa854c654b14.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\AcroCEF\RdrCEF.exe	NEAS.5f7223519a7909e26363aa854c654b14.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\arh.exe	NEAS.5f7223519a7909e26363aa854c654b14.exe
File opened for modification	C:\PROGRA~2\WINDOW~4\wmlaunch.exe	NEAS.5f7223519a7909e26363aa854c654b14.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{61087~1\VCREDI~1.EXE	NEAS.5f7223519a7909e26363aa854c654b14.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\LOGTRA~1.EXE	NEAS.5f7223519a7909e26363aa854c654b14.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOOGLE~3.EXE	NEAS.5f7223519a7909e26363aa854c654b14.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\msedge.exe	NEAS.5f7223519a7909e26363aa854c654b14.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{4D8DC~1\VC_RED~1.EXE	NEAS.5f7223519a7909e26363aa854c654b14.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{EF6B0~1\VCREDI~1.EXE	NEAS.5f7223519a7909e26363aa854c654b14.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\AcroRd32.exe	NEAS.5f7223519a7909e26363aa854c654b14.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\Eula.exe	NEAS.5f7223519a7909e26363aa854c654b14.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\VSTO\10.0\VSTOIN~1.EXE	NEAS.5f7223519a7909e26363aa854c654b14.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOOGLE~4.EXE	NEAS.5f7223519a7909e26363aa854c654b14.exe
File opened for modification	C:\PROGRA~2\INTERN~1\ExtExport.exe	NEAS.5f7223519a7909e26363aa854c654b14.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\IDENTI~1.EXE	NEAS.5f7223519a7909e26363aa854c654b14.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\NOTIFI~1.EXE	NEAS.5f7223519a7909e26363aa854c654b14.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\PWAHEL~1.EXE	NEAS.5f7223519a7909e26363aa854c654b14.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\Browser\WCCHRO~1\WCCHRO~1.EXE	NEAS.5f7223519a7909e26363aa854c654b14.exe
File opened for modification	C:\PROGRA~2\COMMON~1\Java\JAVAUP~1\jucheck.exe	NEAS.5f7223519a7909e26363aa854c654b14.exe
File opened for modification	C:\PROGRA~2\MOZILL~1\UNINST~1.EXE	NEAS.5f7223519a7909e26363aa854c654b14.exe
File opened for modification	C:\PROGRA~2\MOZILL~1\MAINTE~1.EXE	NEAS.5f7223519a7909e26363aa854c654b14.exe
File opened for modification	C:\PROGRA~2\WINDOW~3\ACCESS~1\wordpad.exe	NEAS.5f7223519a7909e26363aa854c654b14.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOBD5D~1.EXE	NEAS.5f7223519a7909e26363aa854c654b14.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\MSEDGE~3.EXE	NEAS.5f7223519a7909e26363aa854c654b14.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\MSEDGE~2.EXE	NEAS.5f7223519a7909e26363aa854c654b14.exe
File opened for modification	C:\PROGRA~2\MICROS~1\EDGEUP~1\13177~1.11\MI391D~1.EXE	NEAS.5f7223519a7909e26363aa854c654b14.exe
File opened for modification	C:\PROGRA~2\MICROS~1\EDGEUP~1\13177~1.11\MICROS~2.EXE	NEAS.5f7223519a7909e26363aa854c654b14.exe
File opened for modification	C:\PROGRA~2\MICROS~1\EDGEUP~1\13177~1.11\MI9C33~1.EXE	NEAS.5f7223519a7909e26363aa854c654b14.exe
File opened for modification	C:\PROGRA~2\WINDOW~2\wabmig.exe	NEAS.5f7223519a7909e26363aa854c654b14.exe
File opened for modification	C:\PROGRA~3\Adobe\Setup\{AC76B~1\setup.exe	NEAS.5f7223519a7909e26363aa854c654b14.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\ACROTE~1.EXE	NEAS.5f7223519a7909e26363aa854c654b14.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\ADelRCP.exe	NEAS.5f7223519a7909e26363aa854c654b14.exe
File opened for modification	C:\PROGRA~2\COMMON~1\Java\JAVAUP~1\jaureg.exe	NEAS.5f7223519a7909e26363aa854c654b14.exe
File opened for modification	C:\PROGRA~2\COMMON~1\Oracle\Java\javapath\javaw.exe	NEAS.5f7223519a7909e26363aa854c654b14.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOF5E2~1.EXE	NEAS.5f7223519a7909e26363aa854c654b14.exe
File opened for modification	C:\PROGRA~2\INTERN~1\ielowutil.exe	NEAS.5f7223519a7909e26363aa854c654b14.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\BHO\IE_TO_~1.EXE	NEAS.5f7223519a7909e26363aa854c654b14.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\msedge.exe	NEAS.5f7223519a7909e26363aa854c654b14.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\FULLTR~1.EXE	NEAS.5f7223519a7909e26363aa854c654b14.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\plug_ins\PI_BRO~1\32BITM~1.EXE	NEAS.5f7223519a7909e26363aa854c654b14.exe
File opened for modification	C:\PROGRA~2\MICROS~1\EDGEUP~1\13177~1.11\MICROS~3.EXE	NEAS.5f7223519a7909e26363aa854c654b14.exe
File opened for modification	C:\PROGRA~2\MICROS~1\EDGEUP~1\Download\{F3C4F~1\13177~1.11\MICROS~1.EXE	NEAS.5f7223519a7909e26363aa854c654b14.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\ACROBR~1.EXE	NEAS.5f7223519a7909e26363aa854c654b14.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\MSInfo\msinfo32.exe	NEAS.5f7223519a7909e26363aa854c654b14.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\PWAHEL~1.EXE	NEAS.5f7223519a7909e26363aa854c654b14.exe
File opened for modification	C:\PROGRA~2\MICROS~1\EDGEUP~1\13177~1.11\MICROS~4.EXE	NEAS.5f7223519a7909e26363aa854c654b14.exe
File opened for modification	C:\PROGRA~2\WINDOW~4\wmpconfig.exe	NEAS.5f7223519a7909e26363aa854c654b14.exe
File opened for modification	C:\PROGRA~2\WINDOW~4\wmprph.exe	NEAS.5f7223519a7909e26363aa854c654b14.exe
File opened for modification	C:\PROGRA~3\MICROS~1\CLICKT~1\{9AC08~1\INTEGR~1.EXE	NEAS.5f7223519a7909e26363aa854c654b14.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{CA675~1\VCREDI~1.EXE	NEAS.5f7223519a7909e26363aa854c654b14.exe
File opened for modification	C:\PROGRA~2\Google\Update\DISABL~1.EXE	NEAS.5f7223519a7909e26363aa854c654b14.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\svchost.com	NEAS.5f7223519a7909e26363aa854c654b14.exe

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

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\" %*"	NEAS.5f7223519a7909e26363aa854c654b14.exe

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 3408 wrote to memory of 1708	3408	NEAS.5f7223519a7909e26363aa854c654b14.exe	88
PID 3408 wrote to memory of 1708	3408	NEAS.5f7223519a7909e26363aa854c654b14.exe	88

C:\Users\Admin\AppData\Local\Temp\NEAS.5f7223519a7909e26363aa854c654b14.exe
"C:\Users\Admin\AppData\Local\Temp\NEAS.5f7223519a7909e26363aa854c654b14.exe"
1⤵
- Checks computer location settings
- Modifies system executable filetype association
- Drops file in Program Files directory
- Drops file in Windows directory
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:3408
- C:\Users\Admin\AppData\Local\Temp\3582-490\NEAS.5f7223519a7909e26363aa854c654b14.exe
  "C:\Users\Admin\AppData\Local\Temp\3582-490\NEAS.5f7223519a7909e26363aa854c654b14.exe"
  2⤵
  - Executes dropped EXE
  PID:1708

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

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

Query Registry

T1012

System Information Discovery

T1082

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
8ffc3bdf4a1903d9e28b99d1643fc9c7

SHA1
919ba8594db0ae245a8abd80f9f3698826fc6fe5

SHA256
8268d3fefe8ca96a25a73690d14bacf644170ab5e9e70d2f8eeb350a4c83f9f6

SHA512
0b94ead97374d74eaee87e7614ddd3911d2cf66d4c49abbfd06b02c03e5dd56fd00993b4947e8a4bcd9d891fa39cab18cc6b61efc7d0812e91eb3aea9cd1a427

Download Submit
C:\Users\Admin\AppData\Local\Temp\3582-490\NEAS.5f7223519a7909e26363aa854c654b14.exe

Filesize
553KB

MD5
5f6a94c14dd102b0c6adb6a771332eee

SHA1
d8d7abb3ca9867d6657c71cdcf17be5bd73ef15e

SHA256
22a6ac1f59ad09943e81eb742f1c89f37ed8f6addc9094a1a0e06c838d82867e

SHA512
a74c1d438ec78df39849663e8847839cced8f0f6799a069c02df988e29de30f1f6e46348ab415a3779aea94fb59d153474e461672061d4dad706fa6cec099db1

Download Submit
C:\Users\Admin\AppData\Local\Temp\3582-490\NEAS.5f7223519a7909e26363aa854c654b14.exe

Filesize
553KB

MD5
5f6a94c14dd102b0c6adb6a771332eee

SHA1
d8d7abb3ca9867d6657c71cdcf17be5bd73ef15e

SHA256
22a6ac1f59ad09943e81eb742f1c89f37ed8f6addc9094a1a0e06c838d82867e

SHA512
a74c1d438ec78df39849663e8847839cced8f0f6799a069c02df988e29de30f1f6e46348ab415a3779aea94fb59d153474e461672061d4dad706fa6cec099db1

Download Submit
memory/3408-96-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/3408-94-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/3408-95-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/3408-75-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/3408-97-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/3408-98-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/3408-99-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/3408-100-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/3408-101-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/3408-102-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/3408-103-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/3408-104-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads