neshta | 38b1381c3c86d27479bde14ffcf8b004739328a73574d7d139d02e538ca415ca

Analysis

max time kernel
150s
max time network
155s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
23-11-2024 21:20

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General

Target

38b1381c3c86d27479bde14ffcf8b004739328a73574d7d139d02e538ca415ca.exe
Size

101KB
MD5

a1c903b117a668d2c27ea8431d64c50e
SHA1

0ab85f3d59acfc16b1aa19562ba1a6035e32e97e
SHA256

38b1381c3c86d27479bde14ffcf8b004739328a73574d7d139d02e538ca415ca
SHA512

1551e8fe2bba57cd9eb878f00800c9502a9f82f63336d6fd58bf49814fba70a9532360a69d6a779ac9e3f0c99bea53a8e202702e70ce229f7b5f411352d48efe
SSDEEP

3072:sr85CER+yUYDKM2DLYCwPFCh+AbwygzI0BpGveKdJ35L4+WRO:k9EeLlBV

Score

10^/10

neshta discovery persistence spyware stealer

Malware Config

Signatures

Detect Neshta payload 5 IoCs

Processes:

resource	yara_rule
behavioral2/files/0x0006000000020241-23.dat	family_neshta
behavioral2/memory/4376-103-0x0000000000400000-0x000000000041B000-memory.dmp	family_neshta
behavioral2/memory/4376-104-0x0000000000400000-0x000000000041B000-memory.dmp	family_neshta
behavioral2/memory/4376-105-0x0000000000400000-0x000000000041B000-memory.dmp	family_neshta
behavioral2/memory/4376-107-0x0000000000400000-0x000000000041B000-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:

38b1381c3c86d27479bde14ffcf8b004739328a73574d7d139d02e538ca415ca.exe

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\Control Panel\International\Geo\Nation	38b1381c3c86d27479bde14ffcf8b004739328a73574d7d139d02e538ca415ca.exe

Executes dropped EXE 1 IoCs

Processes:

38b1381c3c86d27479bde14ffcf8b004739328a73574d7d139d02e538ca415ca.exe

pid	Process
4636	38b1381c3c86d27479bde14ffcf8b004739328a73574d7d139d02e538ca415ca.exe

Modifies system executable filetype association 2 TTPs 1 IoCs

persistence

Modify Registry

T1112

Change Default File Association

T1546.001

Processes:

38b1381c3c86d27479bde14ffcf8b004739328a73574d7d139d02e538ca415ca.exe

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Windows\\svchost.com \"%1\" %*"	38b1381c3c86d27479bde14ffcf8b004739328a73574d7d139d02e538ca415ca.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:

38b1381c3c86d27479bde14ffcf8b004739328a73574d7d139d02e538ca415ca.exe

description	ioc	Process
File opened for modification	C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\MSEDGE~2.EXE	38b1381c3c86d27479bde14ffcf8b004739328a73574d7d139d02e538ca415ca.exe
File opened for modification	C:\PROGRA~2\MICROS~1\EDGEUP~1\13147~1.37\MICROS~1.EXE	38b1381c3c86d27479bde14ffcf8b004739328a73574d7d139d02e538ca415ca.exe
File opened for modification	C:\PROGRA~2\INTERN~1\ielowutil.exe	38b1381c3c86d27479bde14ffcf8b004739328a73574d7d139d02e538ca415ca.exe
File opened for modification	C:\PROGRA~2\INTERN~1\iexplore.exe	38b1381c3c86d27479bde14ffcf8b004739328a73574d7d139d02e538ca415ca.exe
File opened for modification	C:\PROGRA~2\MICROS~1\EDGEUP~1\13147~1.37\MICROS~2.EXE	38b1381c3c86d27479bde14ffcf8b004739328a73574d7d139d02e538ca415ca.exe
File opened for modification	C:\PROGRA~2\MICROS~1\EDGEUP~1\13147~1.37\MICROS~3.EXE	38b1381c3c86d27479bde14ffcf8b004739328a73574d7d139d02e538ca415ca.exe
File opened for modification	C:\PROGRA~2\WINDOW~4\setup_wm.exe	38b1381c3c86d27479bde14ffcf8b004739328a73574d7d139d02e538ca415ca.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\LOGTRA~1.EXE	38b1381c3c86d27479bde14ffcf8b004739328a73574d7d139d02e538ca415ca.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\MSEDGE~3.EXE	38b1381c3c86d27479bde14ffcf8b004739328a73574d7d139d02e538ca415ca.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{D87AE~1\WINDOW~1.EXE	38b1381c3c86d27479bde14ffcf8b004739328a73574d7d139d02e538ca415ca.exe
File opened for modification	C:\PROGRA~2\COMMON~1\Oracle\Java\javapath\javaws.exe	38b1381c3c86d27479bde14ffcf8b004739328a73574d7d139d02e538ca415ca.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.371\GOOGLE~4.EXE	38b1381c3c86d27479bde14ffcf8b004739328a73574d7d139d02e538ca415ca.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.371\GO664E~1.EXE	38b1381c3c86d27479bde14ffcf8b004739328a73574d7d139d02e538ca415ca.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.371\GOBD5D~1.EXE	38b1381c3c86d27479bde14ffcf8b004739328a73574d7d139d02e538ca415ca.exe
File opened for modification	C:\PROGRA~2\WINDOW~4\wmpconfig.exe	38b1381c3c86d27479bde14ffcf8b004739328a73574d7d139d02e538ca415ca.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{EF5AF~1\WINDOW~1.EXE	38b1381c3c86d27479bde14ffcf8b004739328a73574d7d139d02e538ca415ca.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{EF6B0~1\VCREDI~1.EXE	38b1381c3c86d27479bde14ffcf8b004739328a73574d7d139d02e538ca415ca.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\plug_ins\PI_BRO~1\64BITM~1.EXE	38b1381c3c86d27479bde14ffcf8b004739328a73574d7d139d02e538ca415ca.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.371\GOOGLE~1.EXE	38b1381c3c86d27479bde14ffcf8b004739328a73574d7d139d02e538ca415ca.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.371\GOOGLE~2.EXE	38b1381c3c86d27479bde14ffcf8b004739328a73574d7d139d02e538ca415ca.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\msedge.exe	38b1381c3c86d27479bde14ffcf8b004739328a73574d7d139d02e538ca415ca.exe
File opened for modification	C:\PROGRA~2\MICROS~1\EDGEUP~1\13147~1.37\MI9C33~1.EXE	38b1381c3c86d27479bde14ffcf8b004739328a73574d7d139d02e538ca415ca.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\Eula.exe	38b1381c3c86d27479bde14ffcf8b004739328a73574d7d139d02e538ca415ca.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\WOW_HE~1.EXE	38b1381c3c86d27479bde14ffcf8b004739328a73574d7d139d02e538ca415ca.exe
File opened for modification	C:\PROGRA~2\MOZILL~1\UNINST~1.EXE	38b1381c3c86d27479bde14ffcf8b004739328a73574d7d139d02e538ca415ca.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{CA675~1\VCREDI~1.EXE	38b1381c3c86d27479bde14ffcf8b004739328a73574d7d139d02e538ca415ca.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\ACROBR~1.EXE	38b1381c3c86d27479bde14ffcf8b004739328a73574d7d139d02e538ca415ca.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\VSTO\10.0\VSTOIN~1.EXE	38b1381c3c86d27479bde14ffcf8b004739328a73574d7d139d02e538ca415ca.exe
File opened for modification	C:\PROGRA~2\COMMON~1\Oracle\Java\javapath\java.exe	38b1381c3c86d27479bde14ffcf8b004739328a73574d7d139d02e538ca415ca.exe
File opened for modification	C:\PROGRA~2\COMMON~1\Oracle\Java\javapath\javaw.exe	38b1381c3c86d27479bde14ffcf8b004739328a73574d7d139d02e538ca415ca.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\ELEVAT~1.EXE	38b1381c3c86d27479bde14ffcf8b004739328a73574d7d139d02e538ca415ca.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\IDENTI~1.EXE	38b1381c3c86d27479bde14ffcf8b004739328a73574d7d139d02e538ca415ca.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\NOTIFI~1.EXE	38b1381c3c86d27479bde14ffcf8b004739328a73574d7d139d02e538ca415ca.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\PWAHEL~1.EXE	38b1381c3c86d27479bde14ffcf8b004739328a73574d7d139d02e538ca415ca.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\AcroRd32.exe	38b1381c3c86d27479bde14ffcf8b004739328a73574d7d139d02e538ca415ca.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\ACROTE~1.EXE	38b1381c3c86d27479bde14ffcf8b004739328a73574d7d139d02e538ca415ca.exe
File opened for modification	C:\PROGRA~2\MICROS~1\EDGEUP~1\13147~1.37\MIA062~1.EXE	38b1381c3c86d27479bde14ffcf8b004739328a73574d7d139d02e538ca415ca.exe
File opened for modification	C:\PROGRA~2\WINDOW~2\wab.exe	38b1381c3c86d27479bde14ffcf8b004739328a73574d7d139d02e538ca415ca.exe
File opened for modification	C:\PROGRA~3\Adobe\Setup\{AC76B~1\setup.exe	38b1381c3c86d27479bde14ffcf8b004739328a73574d7d139d02e538ca415ca.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{33D1F~1\VCREDI~1.EXE	38b1381c3c86d27479bde14ffcf8b004739328a73574d7d139d02e538ca415ca.exe
File opened for modification	C:\PROGRA~2\INTERN~1\ieinstal.exe	38b1381c3c86d27479bde14ffcf8b004739328a73574d7d139d02e538ca415ca.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\INSTAL~1\setup.exe	38b1381c3c86d27479bde14ffcf8b004739328a73574d7d139d02e538ca415ca.exe
File opened for modification	C:\PROGRA~2\MOZILL~1\MAINTE~1.EXE	38b1381c3c86d27479bde14ffcf8b004739328a73574d7d139d02e538ca415ca.exe
File opened for modification	C:\PROGRA~2\WINDOW~2\wabmig.exe	38b1381c3c86d27479bde14ffcf8b004739328a73574d7d139d02e538ca415ca.exe
File opened for modification	C:\PROGRA~3\MICROS~1\CLICKT~1\{9AC08~1\INTEGR~1.EXE	38b1381c3c86d27479bde14ffcf8b004739328a73574d7d139d02e538ca415ca.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\AcroCEF\RdrCEF.exe	38b1381c3c86d27479bde14ffcf8b004739328a73574d7d139d02e538ca415ca.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.371\GOOGLE~3.EXE	38b1381c3c86d27479bde14ffcf8b004739328a73574d7d139d02e538ca415ca.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\MSEDGE~1.EXE	38b1381c3c86d27479bde14ffcf8b004739328a73574d7d139d02e538ca415ca.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\arh.exe	38b1381c3c86d27479bde14ffcf8b004739328a73574d7d139d02e538ca415ca.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.371\GOF5E2~1.EXE	38b1381c3c86d27479bde14ffcf8b004739328a73574d7d139d02e538ca415ca.exe
File opened for modification	C:\PROGRA~2\INTERN~1\ExtExport.exe	38b1381c3c86d27479bde14ffcf8b004739328a73574d7d139d02e538ca415ca.exe
File opened for modification	C:\PROGRA~2\COMMON~1\Adobe\ARM\1.0\ADOBEA~1.EXE	38b1381c3c86d27479bde14ffcf8b004739328a73574d7d139d02e538ca415ca.exe
File opened for modification	C:\PROGRA~2\COMMON~1\Java\JAVAUP~1\jaureg.exe	38b1381c3c86d27479bde14ffcf8b004739328a73574d7d139d02e538ca415ca.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\msedge.exe	38b1381c3c86d27479bde14ffcf8b004739328a73574d7d139d02e538ca415ca.exe
File opened for modification	C:\PROGRA~2\MICROS~1\EDGEUP~1\13147~1.37\MICROS~4.EXE	38b1381c3c86d27479bde14ffcf8b004739328a73574d7d139d02e538ca415ca.exe
File opened for modification	C:\PROGRA~2\WINDOW~4\wmplayer.exe	38b1381c3c86d27479bde14ffcf8b004739328a73574d7d139d02e538ca415ca.exe
File opened for modification	C:\PROGRA~2\COMMON~1\Adobe\ARM\1.0\AdobeARM.exe	38b1381c3c86d27479bde14ffcf8b004739328a73574d7d139d02e538ca415ca.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\MSInfo\msinfo32.exe	38b1381c3c86d27479bde14ffcf8b004739328a73574d7d139d02e538ca415ca.exe
File opened for modification	C:\PROGRA~2\Google\Update\DISABL~1.EXE	38b1381c3c86d27479bde14ffcf8b004739328a73574d7d139d02e538ca415ca.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\BHO\IE_TO_~1.EXE	38b1381c3c86d27479bde14ffcf8b004739328a73574d7d139d02e538ca415ca.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\PWAHEL~1.EXE	38b1381c3c86d27479bde14ffcf8b004739328a73574d7d139d02e538ca415ca.exe
File opened for modification	C:\PROGRA~2\WINDOW~4\wmprph.exe	38b1381c3c86d27479bde14ffcf8b004739328a73574d7d139d02e538ca415ca.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{57A73~1\VC_RED~1.EXE	38b1381c3c86d27479bde14ffcf8b004739328a73574d7d139d02e538ca415ca.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{61087~1\VCREDI~1.EXE	38b1381c3c86d27479bde14ffcf8b004739328a73574d7d139d02e538ca415ca.exe

Drops file in Windows directory 1 IoCs

Processes:

38b1381c3c86d27479bde14ffcf8b004739328a73574d7d139d02e538ca415ca.exe

description	ioc	Process
File opened for modification	C:\Windows\svchost.com	38b1381c3c86d27479bde14ffcf8b004739328a73574d7d139d02e538ca415ca.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

Processes:

38b1381c3c86d27479bde14ffcf8b004739328a73574d7d139d02e538ca415ca.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	38b1381c3c86d27479bde14ffcf8b004739328a73574d7d139d02e538ca415ca.exe

Modifies registry class 1 IoCs

Processes:

38b1381c3c86d27479bde14ffcf8b004739328a73574d7d139d02e538ca415ca.exe

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Windows\\svchost.com \"%1\" %*"	38b1381c3c86d27479bde14ffcf8b004739328a73574d7d139d02e538ca415ca.exe

Suspicious use of WriteProcessMemory 2 IoCs

Processes:

38b1381c3c86d27479bde14ffcf8b004739328a73574d7d139d02e538ca415ca.exe

description	pid	Process	procid_target
PID 4376 wrote to memory of 4636	4376	38b1381c3c86d27479bde14ffcf8b004739328a73574d7d139d02e538ca415ca.exe	82
PID 4376 wrote to memory of 4636	4376	38b1381c3c86d27479bde14ffcf8b004739328a73574d7d139d02e538ca415ca.exe	82

C:\Users\Admin\AppData\Local\Temp\38b1381c3c86d27479bde14ffcf8b004739328a73574d7d139d02e538ca415ca.exe
"C:\Users\Admin\AppData\Local\Temp\38b1381c3c86d27479bde14ffcf8b004739328a73574d7d139d02e538ca415ca.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:4376
- C:\Users\Admin\AppData\Local\Temp\3582-490\38b1381c3c86d27479bde14ffcf8b004739328a73574d7d139d02e538ca415ca.exe
  "C:\Users\Admin\AppData\Local\Temp\3582-490\38b1381c3c86d27479bde14ffcf8b004739328a73574d7d139d02e538ca415ca.exe"
  2⤵
  - Executes dropped EXE
  PID:4636

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\38b1381c3c86d27479bde14ffcf8b004739328a73574d7d139d02e538ca415ca.exe

Filesize
61KB

MD5
ab7a32c0837d49e64b99f8557dac503a

SHA1
1e78c171214299e2f50a1d4dcfe63e8e935a1350

SHA256
f5fa36d6174d29f930462de1beaf85ca19769bde72a41b7fd37892f8d7cc7e3e

SHA512
353b564888f9d842249d8a1e79f43b743637658f4b718826fdbbcc24dd3df7c3000ba5132a542099e47b0d087e13f7fd3d0868dd419f68347f242aa98568b8db

Download Submit
memory/4376-103-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/4376-104-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/4376-105-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/4376-107-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/4636-13-0x00007FF868443000-0x00007FF868445000-memory.dmp

Filesize
8KB

Download
memory/4636-12-0x00000195211E0000-0x00000195211F2000-memory.dmp

Filesize
72KB

Download