neshta | fa81f39d0500befc912f496a27c9a6c5335de87c38753d001ece208da06b38a0

Analysis

max time kernel
94s
max time network
96s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
12-10-2024 21:46

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General

Target

fa81f39d0500befc912f496a27c9a6c5335de87c38753d001ece208da06b38a0N.exe
Size

630KB
MD5

32216c27aed2684047129900e82b06e0
SHA1

6a49247ac7b95cac499335083730fa95395a1ffd
SHA256

fa81f39d0500befc912f496a27c9a6c5335de87c38753d001ece208da06b38a0
SHA512

20ac11792bf9e9c38aa1f27f241aedf996c485279064db1bc312cc7565be6dabf41dc228bedd6377a23a2ed91f6fea9679ccba4cb337d570325117ce6fef9a8a
SSDEEP

12288:LppppppppppppppppppppppppARppppppppppppppppppppppppA34pppppppppp:sm1z10

Score

10^/10

neshta discovery persistence spyware stealer

Malware Config

Signatures

Detect Neshta payload 4 IoCs

resource	yara_rule
behavioral2/files/0x0006000000020237-21.dat	family_neshta
behavioral2/memory/2000-102-0x0000000000400000-0x000000000041B000-memory.dmp	family_neshta
behavioral2/memory/2000-103-0x0000000000400000-0x000000000041B000-memory.dmp	family_neshta
behavioral2/memory/2000-105-0x0000000000400000-0x000000000041B000-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-1-5-21-493223053-2004649691-1575712786-1000\Control Panel\International\Geo\Nation	fa81f39d0500befc912f496a27c9a6c5335de87c38753d001ece208da06b38a0N.exe

Executes dropped EXE 1 IoCs

pid	Process
3904	fa81f39d0500befc912f496a27c9a6c5335de87c38753d001ece208da06b38a0N.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\" %*"	fa81f39d0500befc912f496a27c9a6c5335de87c38753d001ece208da06b38a0N.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\EDGEUP~1\13147~1.37\MICROS~1.EXE	fa81f39d0500befc912f496a27c9a6c5335de87c38753d001ece208da06b38a0N.exe
File opened for modification	C:\PROGRA~2\WINDOW~4\wmprph.exe	fa81f39d0500befc912f496a27c9a6c5335de87c38753d001ece208da06b38a0N.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{63880~1\WINDOW~1.EXE	fa81f39d0500befc912f496a27c9a6c5335de87c38753d001ece208da06b38a0N.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{61087~1\VCREDI~1.EXE	fa81f39d0500befc912f496a27c9a6c5335de87c38753d001ece208da06b38a0N.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{CA675~1\VCREDI~1.EXE	fa81f39d0500befc912f496a27c9a6c5335de87c38753d001ece208da06b38a0N.exe
File opened for modification	C:\PROGRA~2\COMMON~1\Oracle\Java\javapath\javaws.exe	fa81f39d0500befc912f496a27c9a6c5335de87c38753d001ece208da06b38a0N.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\MSEDGE~1.EXE	fa81f39d0500befc912f496a27c9a6c5335de87c38753d001ece208da06b38a0N.exe
File opened for modification	C:\PROGRA~2\WINDOW~2\wab.exe	fa81f39d0500befc912f496a27c9a6c5335de87c38753d001ece208da06b38a0N.exe
File opened for modification	C:\PROGRA~2\WINDOW~4\setup_wm.exe	fa81f39d0500befc912f496a27c9a6c5335de87c38753d001ece208da06b38a0N.exe
File opened for modification	C:\PROGRA~3\Adobe\Setup\{AC76B~1\setup.exe	fa81f39d0500befc912f496a27c9a6c5335de87c38753d001ece208da06b38a0N.exe
File opened for modification	C:\PROGRA~3\MICROS~1\CLICKT~1\{9AC08~1\INTEGR~1.EXE	fa81f39d0500befc912f496a27c9a6c5335de87c38753d001ece208da06b38a0N.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{D87AE~1\WINDOW~1.EXE	fa81f39d0500befc912f496a27c9a6c5335de87c38753d001ece208da06b38a0N.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\ADOBEC~1.EXE	fa81f39d0500befc912f496a27c9a6c5335de87c38753d001ece208da06b38a0N.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\Eula.exe	fa81f39d0500befc912f496a27c9a6c5335de87c38753d001ece208da06b38a0N.exe
File opened for modification	C:\PROGRA~2\COMMON~1\Adobe\ARM\1.0\AdobeARM.exe	fa81f39d0500befc912f496a27c9a6c5335de87c38753d001ece208da06b38a0N.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.371\GOOGLE~3.EXE	fa81f39d0500befc912f496a27c9a6c5335de87c38753d001ece208da06b38a0N.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\INSTAL~1\setup.exe	fa81f39d0500befc912f496a27c9a6c5335de87c38753d001ece208da06b38a0N.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\MSEDGE~3.EXE	fa81f39d0500befc912f496a27c9a6c5335de87c38753d001ece208da06b38a0N.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\ACROTE~1.EXE	fa81f39d0500befc912f496a27c9a6c5335de87c38753d001ece208da06b38a0N.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\Browser\WCCHRO~1\WCCHRO~1.EXE	fa81f39d0500befc912f496a27c9a6c5335de87c38753d001ece208da06b38a0N.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\FULLTR~1.EXE	fa81f39d0500befc912f496a27c9a6c5335de87c38753d001ece208da06b38a0N.exe
File opened for modification	C:\PROGRA~2\INTERN~1\iexplore.exe	fa81f39d0500befc912f496a27c9a6c5335de87c38753d001ece208da06b38a0N.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\MSEDGE~1.EXE	fa81f39d0500befc912f496a27c9a6c5335de87c38753d001ece208da06b38a0N.exe
File opened for modification	C:\PROGRA~2\MICROS~1\EDGEUP~1\13147~1.37\MIA062~1.EXE	fa81f39d0500befc912f496a27c9a6c5335de87c38753d001ece208da06b38a0N.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\VSTO\10.0\VSTOIN~1.EXE	fa81f39d0500befc912f496a27c9a6c5335de87c38753d001ece208da06b38a0N.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.371\GOOGLE~1.EXE	fa81f39d0500befc912f496a27c9a6c5335de87c38753d001ece208da06b38a0N.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.371\GOOGLE~2.EXE	fa81f39d0500befc912f496a27c9a6c5335de87c38753d001ece208da06b38a0N.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\msedge.exe	fa81f39d0500befc912f496a27c9a6c5335de87c38753d001ece208da06b38a0N.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\AcroRd32.exe	fa81f39d0500befc912f496a27c9a6c5335de87c38753d001ece208da06b38a0N.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.371\GOF5E2~1.EXE	fa81f39d0500befc912f496a27c9a6c5335de87c38753d001ece208da06b38a0N.exe
File opened for modification	C:\PROGRA~2\INTERN~1\ielowutil.exe	fa81f39d0500befc912f496a27c9a6c5335de87c38753d001ece208da06b38a0N.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\COOKIE~1.EXE	fa81f39d0500befc912f496a27c9a6c5335de87c38753d001ece208da06b38a0N.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\ELEVAT~1.EXE	fa81f39d0500befc912f496a27c9a6c5335de87c38753d001ece208da06b38a0N.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\IDENTI~1.EXE	fa81f39d0500befc912f496a27c9a6c5335de87c38753d001ece208da06b38a0N.exe
File opened for modification	C:\PROGRA~2\MOZILL~1\UNINST~1.EXE	fa81f39d0500befc912f496a27c9a6c5335de87c38753d001ece208da06b38a0N.exe
File opened for modification	C:\PROGRA~2\WINDOW~3\ACCESS~1\wordpad.exe	fa81f39d0500befc912f496a27c9a6c5335de87c38753d001ece208da06b38a0N.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\AcroCEF\RdrCEF.exe	fa81f39d0500befc912f496a27c9a6c5335de87c38753d001ece208da06b38a0N.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\arh.exe	fa81f39d0500befc912f496a27c9a6c5335de87c38753d001ece208da06b38a0N.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\LOGTRA~1.EXE	fa81f39d0500befc912f496a27c9a6c5335de87c38753d001ece208da06b38a0N.exe
File opened for modification	C:\PROGRA~2\Google\Update\DISABL~1.EXE	fa81f39d0500befc912f496a27c9a6c5335de87c38753d001ece208da06b38a0N.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\NOTIFI~1.EXE	fa81f39d0500befc912f496a27c9a6c5335de87c38753d001ece208da06b38a0N.exe
File opened for modification	C:\PROGRA~2\MICROS~1\EDGEUP~1\13147~1.37\MID1AD~1.EXE	fa81f39d0500befc912f496a27c9a6c5335de87c38753d001ece208da06b38a0N.exe
File opened for modification	C:\PROGRA~2\WI8A19~1\ImagingDevices.exe	fa81f39d0500befc912f496a27c9a6c5335de87c38753d001ece208da06b38a0N.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\WOW_HE~1.EXE	fa81f39d0500befc912f496a27c9a6c5335de87c38753d001ece208da06b38a0N.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.371\GOOGLE~4.EXE	fa81f39d0500befc912f496a27c9a6c5335de87c38753d001ece208da06b38a0N.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\MSEDGE~2.EXE	fa81f39d0500befc912f496a27c9a6c5335de87c38753d001ece208da06b38a0N.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{4D8DC~1\VC_RED~1.EXE	fa81f39d0500befc912f496a27c9a6c5335de87c38753d001ece208da06b38a0N.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{EF5AF~1\WINDOW~1.EXE	fa81f39d0500befc912f496a27c9a6c5335de87c38753d001ece208da06b38a0N.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\ACROBR~1.EXE	fa81f39d0500befc912f496a27c9a6c5335de87c38753d001ece208da06b38a0N.exe
File opened for modification	C:\PROGRA~2\COMMON~1\Java\JAVAUP~1\jaureg.exe	fa81f39d0500befc912f496a27c9a6c5335de87c38753d001ece208da06b38a0N.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\BHO\IE_TO_~1.EXE	fa81f39d0500befc912f496a27c9a6c5335de87c38753d001ece208da06b38a0N.exe
File opened for modification	C:\PROGRA~2\WINDOW~2\wabmig.exe	fa81f39d0500befc912f496a27c9a6c5335de87c38753d001ece208da06b38a0N.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\READER~1.EXE	fa81f39d0500befc912f496a27c9a6c5335de87c38753d001ece208da06b38a0N.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\PWAHEL~1.EXE	fa81f39d0500befc912f496a27c9a6c5335de87c38753d001ece208da06b38a0N.exe
File opened for modification	C:\PROGRA~2\MOZILL~1\MAINTE~1.EXE	fa81f39d0500befc912f496a27c9a6c5335de87c38753d001ece208da06b38a0N.exe
File opened for modification	C:\PROGRA~2\COMMON~1\Adobe\ARM\1.0\ADOBEA~1.EXE	fa81f39d0500befc912f496a27c9a6c5335de87c38753d001ece208da06b38a0N.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\MSInfo\msinfo32.exe	fa81f39d0500befc912f496a27c9a6c5335de87c38753d001ece208da06b38a0N.exe
File opened for modification	C:\PROGRA~2\COMMON~1\Oracle\Java\javapath\java.exe	fa81f39d0500befc912f496a27c9a6c5335de87c38753d001ece208da06b38a0N.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.371\GO664E~1.EXE	fa81f39d0500befc912f496a27c9a6c5335de87c38753d001ece208da06b38a0N.exe
File opened for modification	C:\PROGRA~2\INTERN~1\ieinstal.exe	fa81f39d0500befc912f496a27c9a6c5335de87c38753d001ece208da06b38a0N.exe
File opened for modification	C:\PROGRA~2\WINDOW~4\wmpshare.exe	fa81f39d0500befc912f496a27c9a6c5335de87c38753d001ece208da06b38a0N.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\ADelRCP.exe	fa81f39d0500befc912f496a27c9a6c5335de87c38753d001ece208da06b38a0N.exe
File opened for modification	C:\PROGRA~2\COMMON~1\Oracle\Java\javapath\javaw.exe	fa81f39d0500befc912f496a27c9a6c5335de87c38753d001ece208da06b38a0N.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{EF6B0~1\VCREDI~1.EXE	fa81f39d0500befc912f496a27c9a6c5335de87c38753d001ece208da06b38a0N.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\svchost.com	fa81f39d0500befc912f496a27c9a6c5335de87c38753d001ece208da06b38a0N.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
3292	3904	WerFault.exe	85

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	fa81f39d0500befc912f496a27c9a6c5335de87c38753d001ece208da06b38a0N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	fa81f39d0500befc912f496a27c9a6c5335de87c38753d001ece208da06b38a0N.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\" %*"	fa81f39d0500befc912f496a27c9a6c5335de87c38753d001ece208da06b38a0N.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2000 wrote to memory of 3904	2000	fa81f39d0500befc912f496a27c9a6c5335de87c38753d001ece208da06b38a0N.exe	85
PID 2000 wrote to memory of 3904	2000	fa81f39d0500befc912f496a27c9a6c5335de87c38753d001ece208da06b38a0N.exe	85
PID 2000 wrote to memory of 3904	2000	fa81f39d0500befc912f496a27c9a6c5335de87c38753d001ece208da06b38a0N.exe	85

C:\Users\Admin\AppData\Local\Temp\fa81f39d0500befc912f496a27c9a6c5335de87c38753d001ece208da06b38a0N.exe
"C:\Users\Admin\AppData\Local\Temp\fa81f39d0500befc912f496a27c9a6c5335de87c38753d001ece208da06b38a0N.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:2000
- C:\Users\Admin\AppData\Local\Temp\3582-490\fa81f39d0500befc912f496a27c9a6c5335de87c38753d001ece208da06b38a0N.exe
  "C:\Users\Admin\AppData\Local\Temp\3582-490\fa81f39d0500befc912f496a27c9a6c5335de87c38753d001ece208da06b38a0N.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:3904
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3904 -s 1140
    3⤵
    - Program crash
    PID:3292

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 3904 -ip 3904
1⤵
PID:2572

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\fa81f39d0500befc912f496a27c9a6c5335de87c38753d001ece208da06b38a0N.exe

Filesize
589KB

MD5
d00876eef503406062f77bbac0b15982

SHA1
e36ae4f739524ae34e50c21461d9447897f69138

SHA256
43324a753bcd54b913ba4d0ce6c46b41a256904ab14080e56a49978a84396b56

SHA512
e799c134574515568b45b0b73242eca57449826b7a3dfffa67c60c5a66ff4e5dbb8a308e9463967eeaa5ed41413cab8fe07157f2afe3a8fc1f459d94b83a0ca8

Download Submit
memory/2000-102-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/2000-103-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/2000-105-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/3904-12-0x0000000073FDE000-0x0000000073FDF000-memory.dmp

Filesize
4KB

Download
memory/3904-13-0x00000000002A0000-0x0000000000338000-memory.dmp

Filesize
608KB

Download
memory/3904-14-0x0000000005230000-0x00000000057D4000-memory.dmp

Filesize
5.6MB

Download
memory/3904-15-0x0000000004C80000-0x0000000004D12000-memory.dmp

Filesize
584KB

Download
memory/3904-16-0x0000000004C10000-0x0000000004C1A000-memory.dmp

Filesize
40KB

Download
memory/3904-17-0x0000000073FD0000-0x0000000074780000-memory.dmp

Filesize
7.7MB

Download
memory/3904-32-0x0000000073FD0000-0x0000000074780000-memory.dmp

Filesize
7.7MB

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General

Malware Config

Signatures

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Network

MITRE ATT&CK Enterprise v15

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