neshta | a33e123dafc4953563eaa898c9b39a6609af1b56636a5ebc3f80210e0bcb769a

Analysis

max time kernel
137s
max time network
144s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
03-11-2024 02:20

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General

Target

a33e123dafc4953563eaa898c9b39a6609af1b56636a5ebc3f80210e0bcb769a.exe
Size

156KB
MD5

e6e6f56f88e9ec0cf4a470a95a3ab496
SHA1

bfde6404b425df2e3a4a5780e9d865637f41a39b
SHA256

a33e123dafc4953563eaa898c9b39a6609af1b56636a5ebc3f80210e0bcb769a
SHA512

8964ae8b9159fb2d2c939a2d02b6d02ef80c7049f744cbd0f45628a7d92d4c1a95878b01b2cb1365900f5a45f3b26cf47bdcd4d853801d3e8f50cedcf260ba28
SSDEEP

1536:JxqjQ+P04wsmJCuQ8qSql5tBvqVxuPiMiR1J3ZneS40/Kn4xjItWleIPpQ+P04wY:sr85CuQFtsOPv0z8tWvBr85C

Score

10^/10

neshta discovery persistence spyware stealer

Malware Config

Signatures

Detect Neshta payload 5 IoCs

Processes:

resource	yara_rule
behavioral2/files/0x000600000002023a-15.dat	family_neshta
behavioral2/memory/3612-95-0x0000000000400000-0x000000000041B000-memory.dmp	family_neshta
behavioral2/memory/3612-96-0x0000000000400000-0x000000000041B000-memory.dmp	family_neshta
behavioral2/memory/3612-97-0x0000000000400000-0x000000000041B000-memory.dmp	family_neshta
behavioral2/memory/3612-99-0x0000000000400000-0x000000000041B000-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

Processes:

a33e123dafc4953563eaa898c9b39a6609af1b56636a5ebc3f80210e0bcb769a.exe

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\Control Panel\International\Geo\Nation	a33e123dafc4953563eaa898c9b39a6609af1b56636a5ebc3f80210e0bcb769a.exe

Executes dropped EXE 1 IoCs

Processes:

a33e123dafc4953563eaa898c9b39a6609af1b56636a5ebc3f80210e0bcb769a.exe

pid	Process
1520	a33e123dafc4953563eaa898c9b39a6609af1b56636a5ebc3f80210e0bcb769a.exe

Modifies system executable filetype association 2 TTPs 1 IoCs

persistence

Modify Registry

T1112

Change Default File Association

T1546.001

Processes:

a33e123dafc4953563eaa898c9b39a6609af1b56636a5ebc3f80210e0bcb769a.exe

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Windows\\svchost.com \"%1\" %*"	a33e123dafc4953563eaa898c9b39a6609af1b56636a5ebc3f80210e0bcb769a.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

Processes:

a33e123dafc4953563eaa898c9b39a6609af1b56636a5ebc3f80210e0bcb769a.exe

description	ioc	Process
File opened for modification	C:\PROGRA~3\PACKAG~1\{EF6B0~1\VCREDI~1.EXE	a33e123dafc4953563eaa898c9b39a6609af1b56636a5ebc3f80210e0bcb769a.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\ADelRCP.exe	a33e123dafc4953563eaa898c9b39a6609af1b56636a5ebc3f80210e0bcb769a.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\Browser\WCCHRO~1\WCCHRO~1.EXE	a33e123dafc4953563eaa898c9b39a6609af1b56636a5ebc3f80210e0bcb769a.exe
File opened for modification	C:\PROGRA~2\COMMON~1\Oracle\Java\javapath\javaws.exe	a33e123dafc4953563eaa898c9b39a6609af1b56636a5ebc3f80210e0bcb769a.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.371\GOOGLE~1.EXE	a33e123dafc4953563eaa898c9b39a6609af1b56636a5ebc3f80210e0bcb769a.exe
File opened for modification	C:\PROGRA~2\MOZILL~1\UNINST~1.EXE	a33e123dafc4953563eaa898c9b39a6609af1b56636a5ebc3f80210e0bcb769a.exe
File opened for modification	C:\PROGRA~2\WINDOW~4\wmplayer.exe	a33e123dafc4953563eaa898c9b39a6609af1b56636a5ebc3f80210e0bcb769a.exe
File opened for modification	C:\PROGRA~2\COMMON~1\Oracle\Java\javapath\java.exe	a33e123dafc4953563eaa898c9b39a6609af1b56636a5ebc3f80210e0bcb769a.exe
File opened for modification	C:\PROGRA~2\WINDOW~4\wmprph.exe	a33e123dafc4953563eaa898c9b39a6609af1b56636a5ebc3f80210e0bcb769a.exe
File opened for modification	C:\PROGRA~2\WINDOW~3\ACCESS~1\wordpad.exe	a33e123dafc4953563eaa898c9b39a6609af1b56636a5ebc3f80210e0bcb769a.exe
File opened for modification	C:\PROGRA~2\COMMON~1\Adobe\ARM\1.0\ADOBEA~1.EXE	a33e123dafc4953563eaa898c9b39a6609af1b56636a5ebc3f80210e0bcb769a.exe
File opened for modification	C:\PROGRA~2\INTERN~1\iexplore.exe	a33e123dafc4953563eaa898c9b39a6609af1b56636a5ebc3f80210e0bcb769a.exe
File opened for modification	C:\PROGRA~2\MICROS~1\EDGEUP~1\13147~1.37\MIA062~1.EXE	a33e123dafc4953563eaa898c9b39a6609af1b56636a5ebc3f80210e0bcb769a.exe
File opened for modification	C:\PROGRA~2\MOZILL~1\MAINTE~1.EXE	a33e123dafc4953563eaa898c9b39a6609af1b56636a5ebc3f80210e0bcb769a.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\AcroCEF\RdrCEF.exe	a33e123dafc4953563eaa898c9b39a6609af1b56636a5ebc3f80210e0bcb769a.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.371\GO664E~1.EXE	a33e123dafc4953563eaa898c9b39a6609af1b56636a5ebc3f80210e0bcb769a.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{CA675~1\VCREDI~1.EXE	a33e123dafc4953563eaa898c9b39a6609af1b56636a5ebc3f80210e0bcb769a.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.371\GOOGLE~4.EXE	a33e123dafc4953563eaa898c9b39a6609af1b56636a5ebc3f80210e0bcb769a.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\COOKIE~1.EXE	a33e123dafc4953563eaa898c9b39a6609af1b56636a5ebc3f80210e0bcb769a.exe
File opened for modification	C:\PROGRA~2\INTERN~1\ielowutil.exe	a33e123dafc4953563eaa898c9b39a6609af1b56636a5ebc3f80210e0bcb769a.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\INSTAL~1\setup.exe	a33e123dafc4953563eaa898c9b39a6609af1b56636a5ebc3f80210e0bcb769a.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\WOW_HE~1.EXE	a33e123dafc4953563eaa898c9b39a6609af1b56636a5ebc3f80210e0bcb769a.exe
File opened for modification	C:\PROGRA~2\COMMON~1\Adobe\ARM\1.0\AdobeARM.exe	a33e123dafc4953563eaa898c9b39a6609af1b56636a5ebc3f80210e0bcb769a.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\MSInfo\msinfo32.exe	a33e123dafc4953563eaa898c9b39a6609af1b56636a5ebc3f80210e0bcb769a.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.371\GOBD5D~1.EXE	a33e123dafc4953563eaa898c9b39a6609af1b56636a5ebc3f80210e0bcb769a.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.371\GOF5E2~1.EXE	a33e123dafc4953563eaa898c9b39a6609af1b56636a5ebc3f80210e0bcb769a.exe
File opened for modification	C:\PROGRA~2\Google\Update\DISABL~1.EXE	a33e123dafc4953563eaa898c9b39a6609af1b56636a5ebc3f80210e0bcb769a.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\MSEDGE~2.EXE	a33e123dafc4953563eaa898c9b39a6609af1b56636a5ebc3f80210e0bcb769a.exe
File opened for modification	C:\PROGRA~2\WINDOW~4\setup_wm.exe	a33e123dafc4953563eaa898c9b39a6609af1b56636a5ebc3f80210e0bcb769a.exe
File opened for modification	C:\PROGRA~2\WINDOW~4\wmlaunch.exe	a33e123dafc4953563eaa898c9b39a6609af1b56636a5ebc3f80210e0bcb769a.exe
File opened for modification	C:\PROGRA~2\WINDOW~4\wmpconfig.exe	a33e123dafc4953563eaa898c9b39a6609af1b56636a5ebc3f80210e0bcb769a.exe
File opened for modification	C:\PROGRA~3\MICROS~1\CLICKT~1\{9AC08~1\INTEGR~1.EXE	a33e123dafc4953563eaa898c9b39a6609af1b56636a5ebc3f80210e0bcb769a.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.371\GOOGLE~2.EXE	a33e123dafc4953563eaa898c9b39a6609af1b56636a5ebc3f80210e0bcb769a.exe
File opened for modification	C:\PROGRA~3\Adobe\Setup\{AC76B~1\setup.exe	a33e123dafc4953563eaa898c9b39a6609af1b56636a5ebc3f80210e0bcb769a.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\ACROTE~1.EXE	a33e123dafc4953563eaa898c9b39a6609af1b56636a5ebc3f80210e0bcb769a.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\FULLTR~1.EXE	a33e123dafc4953563eaa898c9b39a6609af1b56636a5ebc3f80210e0bcb769a.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\msedge.exe	a33e123dafc4953563eaa898c9b39a6609af1b56636a5ebc3f80210e0bcb769a.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\msedge.exe	a33e123dafc4953563eaa898c9b39a6609af1b56636a5ebc3f80210e0bcb769a.exe
File opened for modification	C:\PROGRA~2\WINDOW~2\wabmig.exe	a33e123dafc4953563eaa898c9b39a6609af1b56636a5ebc3f80210e0bcb769a.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{D87AE~1\WINDOW~1.EXE	a33e123dafc4953563eaa898c9b39a6609af1b56636a5ebc3f80210e0bcb769a.exe
File opened for modification	C:\PROGRA~2\WINDOW~4\wmpshare.exe	a33e123dafc4953563eaa898c9b39a6609af1b56636a5ebc3f80210e0bcb769a.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\ADOBEC~1.EXE	a33e123dafc4953563eaa898c9b39a6609af1b56636a5ebc3f80210e0bcb769a.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\Eula.exe	a33e123dafc4953563eaa898c9b39a6609af1b56636a5ebc3f80210e0bcb769a.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\READER~1.EXE	a33e123dafc4953563eaa898c9b39a6609af1b56636a5ebc3f80210e0bcb769a.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\MSEDGE~1.EXE	a33e123dafc4953563eaa898c9b39a6609af1b56636a5ebc3f80210e0bcb769a.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\PWAHEL~1.EXE	a33e123dafc4953563eaa898c9b39a6609af1b56636a5ebc3f80210e0bcb769a.exe
File opened for modification	C:\PROGRA~2\MICROS~1\EDGEUP~1\13147~1.37\MICROS~1.EXE	a33e123dafc4953563eaa898c9b39a6609af1b56636a5ebc3f80210e0bcb769a.exe
File opened for modification	C:\PROGRA~2\INTERN~1\ieinstal.exe	a33e123dafc4953563eaa898c9b39a6609af1b56636a5ebc3f80210e0bcb769a.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\MSEDGE~1.EXE	a33e123dafc4953563eaa898c9b39a6609af1b56636a5ebc3f80210e0bcb769a.exe
File opened for modification	C:\PROGRA~2\MICROS~1\EDGEUP~1\13147~1.37\MICROS~2.EXE	a33e123dafc4953563eaa898c9b39a6609af1b56636a5ebc3f80210e0bcb769a.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{EF5AF~1\WINDOW~1.EXE	a33e123dafc4953563eaa898c9b39a6609af1b56636a5ebc3f80210e0bcb769a.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\LOGTRA~1.EXE	a33e123dafc4953563eaa898c9b39a6609af1b56636a5ebc3f80210e0bcb769a.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\plug_ins\PI_BRO~1\32BITM~1.EXE	a33e123dafc4953563eaa898c9b39a6609af1b56636a5ebc3f80210e0bcb769a.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\ELEVAT~1.EXE	a33e123dafc4953563eaa898c9b39a6609af1b56636a5ebc3f80210e0bcb769a.exe
File opened for modification	C:\PROGRA~2\WI8A19~1\ImagingDevices.exe	a33e123dafc4953563eaa898c9b39a6609af1b56636a5ebc3f80210e0bcb769a.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{61087~1\VCREDI~1.EXE	a33e123dafc4953563eaa898c9b39a6609af1b56636a5ebc3f80210e0bcb769a.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{33D1F~1\VCREDI~1.EXE	a33e123dafc4953563eaa898c9b39a6609af1b56636a5ebc3f80210e0bcb769a.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\AcroRd32.exe	a33e123dafc4953563eaa898c9b39a6609af1b56636a5ebc3f80210e0bcb769a.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\arh.exe	a33e123dafc4953563eaa898c9b39a6609af1b56636a5ebc3f80210e0bcb769a.exe
File opened for modification	C:\PROGRA~2\INTERN~1\ExtExport.exe	a33e123dafc4953563eaa898c9b39a6609af1b56636a5ebc3f80210e0bcb769a.exe
File opened for modification	C:\PROGRA~2\MICROS~1\EDGEUP~1\13147~1.37\MICROS~4.EXE	a33e123dafc4953563eaa898c9b39a6609af1b56636a5ebc3f80210e0bcb769a.exe
File opened for modification	C:\PROGRA~2\MICROS~1\EDGEUP~1\13147~1.37\MI9C33~1.EXE	a33e123dafc4953563eaa898c9b39a6609af1b56636a5ebc3f80210e0bcb769a.exe
File opened for modification	C:\PROGRA~2\WINDOW~2\wab.exe	a33e123dafc4953563eaa898c9b39a6609af1b56636a5ebc3f80210e0bcb769a.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\plug_ins\PI_BRO~1\64BITM~1.EXE	a33e123dafc4953563eaa898c9b39a6609af1b56636a5ebc3f80210e0bcb769a.exe

Drops file in Windows directory 1 IoCs

Processes:

a33e123dafc4953563eaa898c9b39a6609af1b56636a5ebc3f80210e0bcb769a.exe

description	ioc	Process
File opened for modification	C:\Windows\svchost.com	a33e123dafc4953563eaa898c9b39a6609af1b56636a5ebc3f80210e0bcb769a.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 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

Processes:

a33e123dafc4953563eaa898c9b39a6609af1b56636a5ebc3f80210e0bcb769a.exea33e123dafc4953563eaa898c9b39a6609af1b56636a5ebc3f80210e0bcb769a.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	a33e123dafc4953563eaa898c9b39a6609af1b56636a5ebc3f80210e0bcb769a.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	a33e123dafc4953563eaa898c9b39a6609af1b56636a5ebc3f80210e0bcb769a.exe

Modifies registry class 1 IoCs

Processes:

a33e123dafc4953563eaa898c9b39a6609af1b56636a5ebc3f80210e0bcb769a.exe

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Windows\\svchost.com \"%1\" %*"	a33e123dafc4953563eaa898c9b39a6609af1b56636a5ebc3f80210e0bcb769a.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

a33e123dafc4953563eaa898c9b39a6609af1b56636a5ebc3f80210e0bcb769a.exe

description	pid	Process	procid_target
PID 3612 wrote to memory of 1520	3612	a33e123dafc4953563eaa898c9b39a6609af1b56636a5ebc3f80210e0bcb769a.exe	84
PID 3612 wrote to memory of 1520	3612	a33e123dafc4953563eaa898c9b39a6609af1b56636a5ebc3f80210e0bcb769a.exe	84
PID 3612 wrote to memory of 1520	3612	a33e123dafc4953563eaa898c9b39a6609af1b56636a5ebc3f80210e0bcb769a.exe	84

C:\Users\Admin\AppData\Local\Temp\a33e123dafc4953563eaa898c9b39a6609af1b56636a5ebc3f80210e0bcb769a.exe
"C:\Users\Admin\AppData\Local\Temp\a33e123dafc4953563eaa898c9b39a6609af1b56636a5ebc3f80210e0bcb769a.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:3612
- C:\Users\Admin\AppData\Local\Temp\3582-490\a33e123dafc4953563eaa898c9b39a6609af1b56636a5ebc3f80210e0bcb769a.exe
  "C:\Users\Admin\AppData\Local\Temp\3582-490\a33e123dafc4953563eaa898c9b39a6609af1b56636a5ebc3f80210e0bcb769a.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:1520

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\a33e123dafc4953563eaa898c9b39a6609af1b56636a5ebc3f80210e0bcb769a.exe

Filesize
116KB

MD5
3095b306e1717d46034edf72acafddb2

SHA1
c1eb1e05b020bf9dbffbd1792bc10cc928c5380a

SHA256
03594c94b7be989a8339192a22bfe65120f2e1d120884bb2471ce58deecf07fd

SHA512
7128ae272bd2da2103d5e037ccae5808a767172ade906a25b8ba102688c37eff14c03e39350d7201247e57ad52899e4eed78909c9da92e8895522b8b23347ca3

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memory/3612-95-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

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memory/3612-96-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

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memory/3612-97-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

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memory/3612-99-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

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