neshta | 436f05c9048d16b70e137d142e78f4cd53f22db635ff09971af3b3901c5ca87c

Analysis

max time kernel
150s
max time network
154s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
02/11/2024, 21:58

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General

Target

436f05c9048d16b70e137d142e78f4cd53f22db635ff09971af3b3901c5ca87c.exe
Size

832KB
MD5

4e77be938dc57f1f0f0c1bc0201aad5d
SHA1

7b6956bff08ac9532577a31e6ee9e0d26cbfc44c
SHA256

436f05c9048d16b70e137d142e78f4cd53f22db635ff09971af3b3901c5ca87c
SHA512

df6189086469241b2191f26672013ddd1e4dfd11c024e7a59964003026431c1f885bbf5458e2a9bf94d97a1127f660fc111c52da09bb509ba6b4adf768b3b9b6
SSDEEP

12288:LmUiCPDZy80W9XX+xlRd+WZnY3G/hS+HgXq88E:g8PunZyShkq88E

Score

10^/10

neshta discovery persistence spyware stealer

Malware Config

Signatures

Detect Neshta payload 5 IoCs

resource	yara_rule
behavioral2/files/0x0006000000020228-15.dat	family_neshta
behavioral2/memory/2800-95-0x0000000000400000-0x000000000041B000-memory.dmp	family_neshta
behavioral2/memory/2800-96-0x0000000000400000-0x000000000041B000-memory.dmp	family_neshta
behavioral2/memory/2800-97-0x0000000000400000-0x000000000041B000-memory.dmp	family_neshta
behavioral2/memory/2800-99-0x0000000000400000-0x000000000041B000-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

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-1-5-21-4089630652-1596403869-279772308-1000\Control Panel\International\Geo\Nation	436f05c9048d16b70e137d142e78f4cd53f22db635ff09971af3b3901c5ca87c.exe

Executes dropped EXE 1 IoCs

pid	Process
4164	436f05c9048d16b70e137d142e78f4cd53f22db635ff09971af3b3901c5ca87c.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\" %*"	436f05c9048d16b70e137d142e78f4cd53f22db635ff09971af3b3901c5ca87c.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\Google\Update\DISABL~1.EXE	436f05c9048d16b70e137d142e78f4cd53f22db635ff09971af3b3901c5ca87c.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\IDENTI~1.EXE	436f05c9048d16b70e137d142e78f4cd53f22db635ff09971af3b3901c5ca87c.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\PWAHEL~1.EXE	436f05c9048d16b70e137d142e78f4cd53f22db635ff09971af3b3901c5ca87c.exe
File opened for modification	C:\PROGRA~2\WINDOW~2\wabmig.exe	436f05c9048d16b70e137d142e78f4cd53f22db635ff09971af3b3901c5ca87c.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{CA675~1\VCREDI~1.EXE	436f05c9048d16b70e137d142e78f4cd53f22db635ff09971af3b3901c5ca87c.exe
File opened for modification	C:\PROGRA~2\MICROS~1\EDGEUP~1\13147~1.37\MICROS~4.EXE	436f05c9048d16b70e137d142e78f4cd53f22db635ff09971af3b3901c5ca87c.exe
File opened for modification	C:\PROGRA~2\INTERN~1\ielowutil.exe	436f05c9048d16b70e137d142e78f4cd53f22db635ff09971af3b3901c5ca87c.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\msedge.exe	436f05c9048d16b70e137d142e78f4cd53f22db635ff09971af3b3901c5ca87c.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\MSEDGE~3.EXE	436f05c9048d16b70e137d142e78f4cd53f22db635ff09971af3b3901c5ca87c.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\PWAHEL~1.EXE	436f05c9048d16b70e137d142e78f4cd53f22db635ff09971af3b3901c5ca87c.exe
File opened for modification	C:\PROGRA~2\MICROS~1\EDGEUP~1\13147~1.37\MICROS~1.EXE	436f05c9048d16b70e137d142e78f4cd53f22db635ff09971af3b3901c5ca87c.exe
File opened for modification	C:\PROGRA~2\MICROS~1\EDGEUP~1\13147~1.37\MICROS~3.EXE	436f05c9048d16b70e137d142e78f4cd53f22db635ff09971af3b3901c5ca87c.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.371\GOOGLE~1.EXE	436f05c9048d16b70e137d142e78f4cd53f22db635ff09971af3b3901c5ca87c.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.371\GOOGLE~2.EXE	436f05c9048d16b70e137d142e78f4cd53f22db635ff09971af3b3901c5ca87c.exe
File opened for modification	C:\PROGRA~2\WI8A19~1\ImagingDevices.exe	436f05c9048d16b70e137d142e78f4cd53f22db635ff09971af3b3901c5ca87c.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{4D8DC~1\VC_RED~1.EXE	436f05c9048d16b70e137d142e78f4cd53f22db635ff09971af3b3901c5ca87c.exe
File opened for modification	C:\PROGRA~2\MOZILL~1\MAINTE~1.EXE	436f05c9048d16b70e137d142e78f4cd53f22db635ff09971af3b3901c5ca87c.exe
File opened for modification	C:\PROGRA~2\WINDOW~4\wmprph.exe	436f05c9048d16b70e137d142e78f4cd53f22db635ff09971af3b3901c5ca87c.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\AcroCEF\RdrCEF.exe	436f05c9048d16b70e137d142e78f4cd53f22db635ff09971af3b3901c5ca87c.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\ADelRCP.exe	436f05c9048d16b70e137d142e78f4cd53f22db635ff09971af3b3901c5ca87c.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\plug_ins\PI_BRO~1\32BITM~1.EXE	436f05c9048d16b70e137d142e78f4cd53f22db635ff09971af3b3901c5ca87c.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\plug_ins\PI_BRO~1\64BITM~1.EXE	436f05c9048d16b70e137d142e78f4cd53f22db635ff09971af3b3901c5ca87c.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\WOW_HE~1.EXE	436f05c9048d16b70e137d142e78f4cd53f22db635ff09971af3b3901c5ca87c.exe
File opened for modification	C:\PROGRA~2\COMMON~1\Java\JAVAUP~1\jaureg.exe	436f05c9048d16b70e137d142e78f4cd53f22db635ff09971af3b3901c5ca87c.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.371\GOF5E2~1.EXE	436f05c9048d16b70e137d142e78f4cd53f22db635ff09971af3b3901c5ca87c.exe
File opened for modification	C:\PROGRA~2\INTERN~1\ieinstal.exe	436f05c9048d16b70e137d142e78f4cd53f22db635ff09971af3b3901c5ca87c.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\ACROBR~1.EXE	436f05c9048d16b70e137d142e78f4cd53f22db635ff09971af3b3901c5ca87c.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\AcroRd32.exe	436f05c9048d16b70e137d142e78f4cd53f22db635ff09971af3b3901c5ca87c.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\Eula.exe	436f05c9048d16b70e137d142e78f4cd53f22db635ff09971af3b3901c5ca87c.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\LOGTRA~1.EXE	436f05c9048d16b70e137d142e78f4cd53f22db635ff09971af3b3901c5ca87c.exe
File opened for modification	C:\PROGRA~2\COMMON~1\Adobe\ARM\1.0\ADOBEA~1.EXE	436f05c9048d16b70e137d142e78f4cd53f22db635ff09971af3b3901c5ca87c.exe
File opened for modification	C:\PROGRA~2\COMMON~1\Oracle\Java\javapath\java.exe	436f05c9048d16b70e137d142e78f4cd53f22db635ff09971af3b3901c5ca87c.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\msedge.exe	436f05c9048d16b70e137d142e78f4cd53f22db635ff09971af3b3901c5ca87c.exe
File opened for modification	C:\PROGRA~3\MICROS~1\CLICKT~1\{9AC08~1\INTEGR~1.EXE	436f05c9048d16b70e137d142e78f4cd53f22db635ff09971af3b3901c5ca87c.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{EF5AF~1\WINDOW~1.EXE	436f05c9048d16b70e137d142e78f4cd53f22db635ff09971af3b3901c5ca87c.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\MSInfo\msinfo32.exe	436f05c9048d16b70e137d142e78f4cd53f22db635ff09971af3b3901c5ca87c.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\VSTO\10.0\VSTOIN~1.EXE	436f05c9048d16b70e137d142e78f4cd53f22db635ff09971af3b3901c5ca87c.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.371\GOOGLE~3.EXE	436f05c9048d16b70e137d142e78f4cd53f22db635ff09971af3b3901c5ca87c.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\MSEDGE~1.EXE	436f05c9048d16b70e137d142e78f4cd53f22db635ff09971af3b3901c5ca87c.exe
File opened for modification	C:\PROGRA~2\MICROS~1\EDGEUP~1\13147~1.37\MID1AD~1.EXE	436f05c9048d16b70e137d142e78f4cd53f22db635ff09971af3b3901c5ca87c.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.371\GOOGLE~4.EXE	436f05c9048d16b70e137d142e78f4cd53f22db635ff09971af3b3901c5ca87c.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.371\GO664E~1.EXE	436f05c9048d16b70e137d142e78f4cd53f22db635ff09971af3b3901c5ca87c.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\COOKIE~1.EXE	436f05c9048d16b70e137d142e78f4cd53f22db635ff09971af3b3901c5ca87c.exe
File opened for modification	C:\PROGRA~2\WINDOW~4\wmlaunch.exe	436f05c9048d16b70e137d142e78f4cd53f22db635ff09971af3b3901c5ca87c.exe
File opened for modification	C:\PROGRA~2\WINDOW~4\wmpshare.exe	436f05c9048d16b70e137d142e78f4cd53f22db635ff09971af3b3901c5ca87c.exe
File opened for modification	C:\PROGRA~2\INTERN~1\ExtExport.exe	436f05c9048d16b70e137d142e78f4cd53f22db635ff09971af3b3901c5ca87c.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{63880~1\WINDOW~1.EXE	436f05c9048d16b70e137d142e78f4cd53f22db635ff09971af3b3901c5ca87c.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\arh.exe	436f05c9048d16b70e137d142e78f4cd53f22db635ff09971af3b3901c5ca87c.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\FULLTR~1.EXE	436f05c9048d16b70e137d142e78f4cd53f22db635ff09971af3b3901c5ca87c.exe
File opened for modification	C:\PROGRA~2\WINDOW~4\setup_wm.exe	436f05c9048d16b70e137d142e78f4cd53f22db635ff09971af3b3901c5ca87c.exe
File opened for modification	C:\PROGRA~2\WINDOW~4\wmpconfig.exe	436f05c9048d16b70e137d142e78f4cd53f22db635ff09971af3b3901c5ca87c.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{D87AE~1\WINDOW~1.EXE	436f05c9048d16b70e137d142e78f4cd53f22db635ff09971af3b3901c5ca87c.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\ACROTE~1.EXE	436f05c9048d16b70e137d142e78f4cd53f22db635ff09971af3b3901c5ca87c.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\ADOBEC~1.EXE	436f05c9048d16b70e137d142e78f4cd53f22db635ff09971af3b3901c5ca87c.exe
File opened for modification	C:\PROGRA~2\COMMON~1\Oracle\Java\javapath\javaw.exe	436f05c9048d16b70e137d142e78f4cd53f22db635ff09971af3b3901c5ca87c.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\BHO\IE_TO_~1.EXE	436f05c9048d16b70e137d142e78f4cd53f22db635ff09971af3b3901c5ca87c.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\NOTIFI~1.EXE	436f05c9048d16b70e137d142e78f4cd53f22db635ff09971af3b3901c5ca87c.exe
File opened for modification	C:\PROGRA~2\MOZILL~1\UNINST~1.EXE	436f05c9048d16b70e137d142e78f4cd53f22db635ff09971af3b3901c5ca87c.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{61087~1\VCREDI~1.EXE	436f05c9048d16b70e137d142e78f4cd53f22db635ff09971af3b3901c5ca87c.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{57A73~1\VC_RED~1.EXE	436f05c9048d16b70e137d142e78f4cd53f22db635ff09971af3b3901c5ca87c.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{EF6B0~1\VCREDI~1.EXE	436f05c9048d16b70e137d142e78f4cd53f22db635ff09971af3b3901c5ca87c.exe
File opened for modification	C:\PROGRA~2\COMMON~1\Adobe\ARM\1.0\AdobeARM.exe	436f05c9048d16b70e137d142e78f4cd53f22db635ff09971af3b3901c5ca87c.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.371\GOBD5D~1.EXE	436f05c9048d16b70e137d142e78f4cd53f22db635ff09971af3b3901c5ca87c.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\ELEVAT~1.EXE	436f05c9048d16b70e137d142e78f4cd53f22db635ff09971af3b3901c5ca87c.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\svchost.com	436f05c9048d16b70e137d142e78f4cd53f22db635ff09971af3b3901c5ca87c.exe

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

System Information Discovery
T1082

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4416	4164	WerFault.exe	84

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	436f05c9048d16b70e137d142e78f4cd53f22db635ff09971af3b3901c5ca87c.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	436f05c9048d16b70e137d142e78f4cd53f22db635ff09971af3b3901c5ca87c.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\" %*"	436f05c9048d16b70e137d142e78f4cd53f22db635ff09971af3b3901c5ca87c.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2800 wrote to memory of 4164	2800	436f05c9048d16b70e137d142e78f4cd53f22db635ff09971af3b3901c5ca87c.exe	84
PID 2800 wrote to memory of 4164	2800	436f05c9048d16b70e137d142e78f4cd53f22db635ff09971af3b3901c5ca87c.exe	84
PID 2800 wrote to memory of 4164	2800	436f05c9048d16b70e137d142e78f4cd53f22db635ff09971af3b3901c5ca87c.exe	84

C:\Users\Admin\AppData\Local\Temp\436f05c9048d16b70e137d142e78f4cd53f22db635ff09971af3b3901c5ca87c.exe
"C:\Users\Admin\AppData\Local\Temp\436f05c9048d16b70e137d142e78f4cd53f22db635ff09971af3b3901c5ca87c.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:2800
- C:\Users\Admin\AppData\Local\Temp\3582-490\436f05c9048d16b70e137d142e78f4cd53f22db635ff09971af3b3901c5ca87c.exe
  "C:\Users\Admin\AppData\Local\Temp\3582-490\436f05c9048d16b70e137d142e78f4cd53f22db635ff09971af3b3901c5ca87c.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:4164
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4164 -s 408
    3⤵
    - Program crash
    PID:4416

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4164 -ip 4164
1⤵
PID:4996

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\ACROTE~1.EXE

Filesize
86KB

MD5
3b73078a714bf61d1c19ebc3afc0e454

SHA1
9abeabd74613a2f533e2244c9ee6f967188e4e7e

SHA256
ded54d1fcca07b6bff2bc3b9a1131eac29ff1f836e5d7a7c5c325ec5abe96e29

SHA512
75959d4e8a7649c3268b551a2a378e6d27c0bfb03d2422ebeeb67b0a3f78c079473214057518930f2d72773ce79b106fd2d78405e8e3d8883459dcbb49c163c4

Download Submit
C:\Users\Admin\AppData\Local\Temp\3582-490\436f05c9048d16b70e137d142e78f4cd53f22db635ff09971af3b3901c5ca87c.exe

Filesize
792KB

MD5
b6ccff9a43baf5db72a8e8ed0d9fea59

SHA1
275ddd0f6a4ccdc3cd69840a6b9d29883969df40

SHA256
4a36e3b1794fb5fd94684e7790fc751629ee306970e8908c249b6bed35c8b561

SHA512
40976a91a4d15c8d67fba1025aa1ab66ab5cd7f285c703253760713aa45d5862d095ac078d0f765d93b08a15b9c6d37b60e33e3b2e2135a24f485d4293f3ff73

Download Submit
memory/2800-95-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/2800-96-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/2800-97-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/2800-99-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads