neshta | 1dc4ecb493c5e6319426306929fe0e667c7c5de0326ef29893c7cbb54ee3a370

Analysis

max time kernel
141s
max time network
161s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
01-12-2024 18:05

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General

Target

Method/Method/2. Parameters/Tool/2. Clean/main.exe
Size

6.9MB
MD5

98248e7ee72e4768f5c96dc069d02c1b
SHA1

cdcea49f4b97f58649abd40bc8db913db5e78483
SHA256

39e1357bea6cb75722748ecd83524003233b102718f011371841ea7f775abf7f
SHA512

09ef54f66eb8a8f8d442245bf562d36e4e3382d2fc1f4213c71c7ff53bb0fd4485a255c5188866a0d6ff2362bb45359db14dac7a4c7d2b769afa1d139c743348
SSDEEP

196608:0sU2WA1HeT39IigFeE9TFa0Z8DOjCdyluomnzbQW7txB:J1+TtIiRY9Z8D8Ccl5KnPxB

Score

10^/10

neshta discovery persistence pyinstaller spyware stealer

Malware Config

Signatures

Detect Neshta payload 4 IoCs

resource	yara_rule
behavioral4/files/0x0006000000020253-38.dat	family_neshta
behavioral4/memory/3428-118-0x0000000000400000-0x000000000041B000-memory.dmp	family_neshta
behavioral4/memory/3428-119-0x0000000000400000-0x000000000041B000-memory.dmp	family_neshta
behavioral4/memory/3428-121-0x0000000000400000-0x000000000041B000-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-1-5-21-940901362-3608833189-1915618603-1000\Control Panel\International\Geo\Nation	main.exe

Executes dropped EXE 2 IoCs

pid	Process
2128	main.exe
1516	main.exe

Loads dropped DLL 2 IoCs

pid	Process
1516	main.exe
1516	main.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\" %*"	main.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\1336~1.371\GOOGLE~4.EXE	main.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{33D1F~1\VCREDI~1.EXE	main.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{63880~1\WINDOW~1.EXE	main.exe
File opened for modification	C:\PROGRA~2\COMMON~1\Oracle\Java\javapath\javaw.exe	main.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.371\GOOGLE~3.EXE	main.exe
File opened for modification	C:\PROGRA~2\Google\Update\DISABL~1.EXE	main.exe
File opened for modification	C:\PROGRA~2\INTERN~1\ielowutil.exe	main.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\msedge.exe	main.exe
File opened for modification	C:\PROGRA~2\MOZILL~1\MAINTE~1.EXE	main.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{61087~1\VCREDI~1.EXE	main.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\plug_ins\PI_BRO~1\64BITM~1.EXE	main.exe
File opened for modification	C:\PROGRA~2\INTERN~1\ExtExport.exe	main.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\MSEDGE~2.EXE	main.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\PWAHEL~1.EXE	main.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\VSTO\10.0\VSTOIN~1.EXE	main.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\plug_ins\PI_BRO~1\32BITM~1.EXE	main.exe
File opened for modification	C:\PROGRA~2\WINDOW~2\wab.exe	main.exe
File opened for modification	C:\PROGRA~3\Adobe\Setup\{AC76B~1\setup.exe	main.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\AcroRd32.exe	main.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\MSEDGE~1.EXE	main.exe
File opened for modification	C:\PROGRA~2\MICROS~1\EDGEUP~1\13147~1.37\MIA062~1.EXE	main.exe
File opened for modification	C:\PROGRA~2\COMMON~1\Oracle\Java\javapath\java.exe	main.exe
File opened for modification	C:\PROGRA~2\COMMON~1\Adobe\ARM\1.0\ADOBEA~1.EXE	main.exe
File opened for modification	C:\PROGRA~2\MICROS~1\EDGEUP~1\13147~1.37\MI9C33~1.EXE	main.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\AcroCEF\RdrCEF.exe	main.exe
File opened for modification	C:\PROGRA~2\COMMON~1\Java\JAVAUP~1\jaureg.exe	main.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.371\GOF5E2~1.EXE	main.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\msedge.exe	main.exe
File opened for modification	C:\PROGRA~2\MICROS~1\EDGEUP~1\13147~1.37\MICROS~2.EXE	main.exe
File opened for modification	C:\PROGRA~2\MICROS~1\EDGEUP~1\13147~1.37\MICROS~3.EXE	main.exe
File opened for modification	C:\PROGRA~2\MOZILL~1\UNINST~1.EXE	main.exe
File opened for modification	C:\PROGRA~2\WINDOW~2\wabmig.exe	main.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\LOGTRA~1.EXE	main.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{57A73~1\VC_RED~1.EXE	main.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{4D8DC~1\VC_RED~1.EXE	main.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\MSInfo\msinfo32.exe	main.exe
File opened for modification	C:\PROGRA~2\COMMON~1\Oracle\Java\javapath\javaws.exe	main.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.371\GOOGLE~1.EXE	main.exe
File opened for modification	C:\PROGRA~2\INTERN~1\ieinstal.exe	main.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\IDENTI~1.EXE	main.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\MSEDGE~3.EXE	main.exe
File opened for modification	C:\PROGRA~2\WINDOW~4\setup_wm.exe	main.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\arh.exe	main.exe
File opened for modification	C:\PROGRA~2\WINDOW~4\wmprph.exe	main.exe
File opened for modification	C:\PROGRA~2\WINDOW~4\wmplayer.exe	main.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\Browser\WCCHRO~1\WCCHRO~1.EXE	main.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\FULLTR~1.EXE	main.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\INSTAL~1\setup.exe	main.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\ADelRCP.exe	main.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\ACROTE~1.EXE	main.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.371\GOOGLE~2.EXE	main.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\BHO\IE_TO_~1.EXE	main.exe
File opened for modification	C:\PROGRA~2\WINDOW~4\wmpconfig.exe	main.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{D87AE~1\WINDOW~1.EXE	main.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{EF5AF~1\WINDOW~1.EXE	main.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\ACROBR~1.EXE	main.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.371\GO664E~1.EXE	main.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.371\GOBD5D~1.EXE	main.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\COOKIE~1.EXE	main.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\NOTIFI~1.EXE	main.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\PWAHEL~1.EXE	main.exe
File opened for modification	C:\PROGRA~2\COMMON~1\Adobe\ARM\1.0\AdobeARM.exe	main.exe
File opened for modification	C:\PROGRA~2\WINDOW~4\wmpshare.exe	main.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{EF6B0~1\VCREDI~1.EXE	main.exe

Drops file in Windows directory 1 IoCs

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

Detects Pyinstaller 1 IoCs

pyinstaller

resource	yara_rule
behavioral4/files/0x000c000000023b93-4.dat	pyinstaller

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

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	main.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\" %*"	main.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 3428 wrote to memory of 2128	3428	main.exe	81
PID 3428 wrote to memory of 2128	3428	main.exe	81
PID 2128 wrote to memory of 1516	2128	main.exe	83
PID 2128 wrote to memory of 1516	2128	main.exe	83

C:\Users\Admin\AppData\Local\Temp\Method\Method\2. Parameters\Tool\2. Clean\main.exe
"C:\Users\Admin\AppData\Local\Temp\Method\Method\2. Parameters\Tool\2. Clean\main.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:3428
- C:\Users\Admin\AppData\Local\Temp\3582-490\main.exe
  "C:\Users\Admin\AppData\Local\Temp\3582-490\main.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of WriteProcessMemory
  PID:2128
- - C:\Users\Admin\AppData\Local\Temp\3582-490\main.exe
    "C:\Users\Admin\AppData\Local\Temp\3582-490\main.exe"
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    PID:1516

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\main.exe

Filesize
6.9MB

MD5
f624769b51a4107e0fc3cf2f70a4c436

SHA1
95bc3a722bf705f3edeab76664468f1d57f3d34f

SHA256
8b4ff76b82424877bc0731359c168aebfb4b76082dee3a04df3b0660b420cd52

SHA512
a13c47751e7a5dd744833cd58888231abf41437c52b725be33ad7a42e7022917679bc190f5fe0b0ac4ed18b3e35047df4cfd94812470f9475f2f8960afd4aa81

Download Submit
C:\Users\Admin\AppData\Local\Temp\_MEI21282\VCRUNTIME140.dll

Filesize
116KB

MD5
be8dbe2dc77ebe7f88f910c61aec691a

SHA1
a19f08bb2b1c1de5bb61daf9f2304531321e0e40

SHA256
4d292623516f65c80482081e62d5dadb759dc16e851de5db24c3cbb57b87db83

SHA512
0da644472b374f1da449a06623983d0477405b5229e386accadb154b43b8b083ee89f07c3f04d2c0c7501ead99ad95aecaa5873ff34c5eeb833285b598d5a655

Download Submit
C:\Users\Admin\AppData\Local\Temp\_MEI21282\_bz2.pyd

Filesize
83KB

MD5
223fd6748cae86e8c2d5618085c768ac

SHA1
dcb589f2265728fe97156814cbe6ff3303cd05d3

SHA256
f81dc49eac5ecc528e628175add2ff6bda695a93ea76671d7187155aa6326abb

SHA512
9c22c178417b82e68f71e5b7fe7c0c0a77184ee12bd0dc049373eace7fa66c89458164d124a9167ae760ff9d384b78ca91001e5c151a51ad80c824066b8ecce6

Download Submit
C:\Users\Admin\AppData\Local\Temp\_MEI21282\_decimal.pyd

Filesize
245KB

MD5
3055edf761508190b576e9bf904003aa

SHA1
f0dc8d882b5cd7955cc6dfc8f9834f70a83c7890

SHA256
e4104e47399d3f635a14d649f61250e9fd37f7e65c81ffe11f099923f8532577

SHA512
87538fe20bd2c1150a8fefd0478ffd32e2a9c59d22290464bf5dfb917f6ac7ec874f8b1c70d643a4dc3dd32cbe17e7ea40c0be3ea9dd07039d94ab316f752248

Download Submit
C:\Users\Admin\AppData\Local\Temp\_MEI21282\_hashlib.pyd

Filesize
64KB

MD5
eedb6d834d96a3dffffb1f65b5f7e5be

SHA1
ed6735cfdd0d1ec21c7568a9923eb377e54b308d

SHA256
79c4cde23397b9a35b54a3c2298b3c7a844454f4387cb0693f15e4facd227dd2

SHA512
527bd7bb2f4031416762595f4ce24cbc6254a50eaf2cc160b930950c4f2b3f5e245a486972148c535f8cd80c78ec6fa8c9a062085d60db8f23d4b21e8ae4c0ad

Download Submit
C:\Users\Admin\AppData\Local\Temp\_MEI21282\_lzma.pyd

Filesize
156KB

MD5
05e8b2c429aff98b3ae6adc842fb56a3

SHA1
834ddbced68db4fe17c283ab63b2faa2e4163824

SHA256
a6e2a5bb7a33ad9054f178786a031a46ea560faeef1fb96259331500aae9154c

SHA512
badeb99795b89bc7c1f0c36becc7a0b2ce99ecfd6f6bb493bda24b8e57e6712e23f4c509c96a28bc05200910beddc9f1536416bbc922331cae698e813cbb50b3

Download Submit
C:\Users\Admin\AppData\Local\Temp\_MEI21282\_socket.pyd

Filesize
81KB

MD5
dc06f8d5508be059eae9e29d5ba7e9ec

SHA1
d666c88979075d3b0c6fd3be7c595e83e0cb4e82

SHA256
7daff6aa3851a913ed97995702a5dfb8a27cb7cf00fb496597be777228d7564a

SHA512
57eb36bc1e9be20c85c34b0a535b2349cb13405d60e752016e23603c4648939f1150e4dbebc01ec7b43eb1a6947c182ccb8a806e7e72167ad2e9d98d1fd94ab3

Download Submit
C:\Users\Admin\AppData\Local\Temp\_MEI21282\base_library.zip

Filesize
1.3MB

MD5
08332a62eb782d03b959ba64013ac5bc

SHA1
b70b6ae91f1bded398ca3f62e883ae75e9966041

SHA256
8584f0eb44456a275e3bc69626e3acad595546fd78de21a946b2eb7d6ba02288

SHA512
a58e4a096d3ce738f6f93477c9a73ddbfcb4b82d212c0a19c0cf9e07f1e62b2f477a5dd468cd31cc5a13a73b93fa17f64d6b516afef2c56d38ede1ace35cf087

Download Submit
C:\Users\Admin\AppData\Local\Temp\_MEI21282\libcrypto-3.dll

Filesize
5.0MB

MD5
e547cf6d296a88f5b1c352c116df7c0c

SHA1
cafa14e0367f7c13ad140fd556f10f320a039783

SHA256
05fe080eab7fc535c51e10c1bd76a2f3e6217f9c91a25034774588881c3f99de

SHA512
9f42edf04c7af350a00fa4fdf92b8e2e6f47ab9d2d41491985b20cd0adde4f694253399f6a88f4bdd765c4f49792f25fb01e84ec03fd5d0be8bb61773d77d74d

Download Submit
C:\Users\Admin\AppData\Local\Temp\_MEI21282\python312.dll

Filesize
6.6MB

MD5
3c388ce47c0d9117d2a50b3fa5ac981d

SHA1
038484ff7460d03d1d36c23f0de4874cbaea2c48

SHA256
c98ba3354a7d1f69bdca42560feec933ccba93afcc707391049a065e1079cddb

SHA512
e529c5c1c028be01e44a156cd0e7cad0a24b5f91e5d34697fafc395b63e37780dc0fac8f4c5d075ad8fe4bd15d62a250b818ff3d4ead1e281530a4c7e3ce6d35

Download Submit
C:\Users\Admin\AppData\Local\Temp\_MEI21282\select.pyd

Filesize
29KB

MD5
92b440ca45447ec33e884752e4c65b07

SHA1
5477e21bb511cc33c988140521a4f8c11a427bcc

SHA256
680df34fb908c49410ac5f68a8c05d92858acd111e62d1194d15bdce520bd6c3

SHA512
40e60e1d1445592c5e8eb352a4052db28b1739a29e16b884b0ba15917b058e66196988214ce473ba158704837b101a13195d5e48cb1dc2f07262dfecfe8d8191

Download Submit
C:\Users\Admin\AppData\Local\Temp\_MEI21282\unicodedata.pyd

Filesize
1.1MB

MD5
16be9a6f941f1a2cb6b5fca766309b2c

SHA1
17b23ae0e6a11d5b8159c748073e36a936f3316a

SHA256
10ffd5207eeff5a836b330b237d766365d746c30e01abf0fd01f78548d1f1b04

SHA512
64b7ecc58ae7cf128f03a0d5d5428aaa0d4ad4ae7e7d19be0ea819bbbf99503836bfe4946df8ee3ab8a92331fdd002ab9a9de5146af3e86fef789ce46810796b

Download Submit
memory/3428-118-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/3428-119-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/3428-121-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads