neshta | c0e4d0d4b55b4bda727c09e7756275b910b080c2f6b3eea1427e00176b2d5498

Analysis

max time kernel
118s
max time network
121s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
05-12-2024 21:36

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General

Target

Client.exe
Size

5.8MB
MD5

732ea742b87e1cccd0937389f800d386
SHA1

311f9b36f63d3435597fa441dc12ea8256f72a9d
SHA256

c0e4d0d4b55b4bda727c09e7756275b910b080c2f6b3eea1427e00176b2d5498
SHA512

d9b82cbd894a063df957ffb852cd7a26716a2301cb44863fcb06c2d546540246cdb362e09553be565a11d1079e8b5fd3e9c8a6c1d4414f0291ebf5db804bb3f0
SSDEEP

98304:2y08IGg4S+eh6gcmzT4T3F4MUpj7xfebyUf9Ecuhp2JiudmmJKAZRVB6P4/56di3:2IG6gcmzT4T3F8SyUf9EcuhkgUR+E56e

Score

10^/10

neshta discovery persistence spyware stealer

Malware Config

Signatures

Detect Neshta payload 5 IoCs

resource	yara_rule
behavioral1/memory/388-0-0x0000000000400000-0x000000000042B000-memory.dmp	family_neshta
behavioral1/files/0x0001000000010314-10.dat	family_neshta
behavioral1/memory/388-85-0x0000000000400000-0x000000000042B000-memory.dmp	family_neshta
behavioral1/memory/388-86-0x0000000000400000-0x000000000042B000-memory.dmp	family_neshta
behavioral1/memory/388-88-0x0000000000400000-0x000000000042B000-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

Executes dropped EXE 1 IoCs

pid	Process
2352	Client.exe

Loads dropped DLL 2 IoCs

pid	Process
388	Client.exe
388	Client.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\" %*"	Client.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\Office14\CNFNOT32.EXE	Client.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\ONENOTEM.EXE	Client.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmpconfig.exe	Client.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\ACROBR~1.EXE	Client.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\LICLUA.EXE	Client.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\ACCICONS.EXE	Client.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\GRAPH.EXE	Client.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\DW\DWTRIG20.EXE	Client.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOF5E2~1.EXE	Client.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\SETUPF~1\{AC76B~1\Setup.exe	Client.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{33D1F~1\VCREDI~1.EXE	Client.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOOGLE~4.EXE	Client.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOOGLE~2.EXE	Client.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSTORE.EXE	Client.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\OIS.EXE	Client.exe
File opened for modification	C:\PROGRA~2\WINDOW~2\ACCESS~1\wordpad.exe	Client.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\ADOBEC~1.EXE	Client.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\OFFICE~1\ODeploy.exe	Client.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSOHTMED.EXE	Client.exe
File opened for modification	C:\PROGRA~2\MOZILL~1\MAINTE~1.EXE	Client.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmprph.exe	Client.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\MSOXMLED.EXE	Client.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\SOURCE~1\OSE.EXE	Client.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSOSYNC.EXE	Client.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\WORDICON.EXE	Client.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{61087~1\VCREDI~1.EXE	Client.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{EF6B0~1\VCREDI~1.EXE	Client.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\GROOVEMN.EXE	Client.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\INFOPATH.EXE	Client.exe
File opened for modification	C:\PROGRA~2\INTERN~1\iexplore.exe	Client.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\BCSSync.exe	Client.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\IECONT~1.EXE	Client.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{4D8DC~1\VC_RED~1.EXE	Client.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\Oarpmany.exe	Client.exe
File opened for modification	C:\PROGRA~2\INTERN~1\ieinstal.exe	Client.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\VSTO\10.0\VSTOIN~1.EXE	Client.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\NAMECO~1.EXE	Client.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Resource\Icons\SC_REA~1.EXE	Client.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\DW\DW20.EXE	Client.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\ink\mip.exe	Client.exe
File opened for modification	C:\PROGRA~2\Google\Update\DISABL~1.EXE	Client.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSTORDB.EXE	Client.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\Eula.exe	Client.exe
File opened for modification	C:\PROGRA~2\COMMON~1\Adobe\Updater6\ADOBEU~1.EXE	Client.exe
File opened for modification	C:\PROGRA~2\INTERN~1\ielowutil.exe	Client.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\POWERPNT.EXE	Client.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\VPREVIEW.EXE	Client.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmplayer.exe	Client.exe
File opened for modification	C:\PROGRA~2\WINDOW~4\ImagingDevices.exe	Client.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\EQUATION\EQNEDT32.EXE	Client.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\OFFICE~1\Setup.exe	Client.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\FLTLDR.EXE	Client.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\TextConv\WksConv\Wkconv.exe	Client.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOOGLE~3.EXE	Client.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\CLVIEW.EXE	Client.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSQRY32.EXE	Client.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\SELFCERT.EXE	Client.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\A3DUTI~1.EXE	Client.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\MSInfo\msinfo32.exe	Client.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{CA675~1\VCREDI~1.EXE	Client.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOBD5D~1.EXE	Client.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\ONENOTE.EXE	Client.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\WMPDMC.exe	Client.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\AcroRd32.exe	Client.exe

Drops file in Windows directory 1 IoCs

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

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

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 388 wrote to memory of 2352	388	Client.exe	31
PID 388 wrote to memory of 2352	388	Client.exe	31
PID 388 wrote to memory of 2352	388	Client.exe	31
PID 388 wrote to memory of 2352	388	Client.exe	31

C:\Users\Admin\AppData\Local\Temp\Client.exe
"C:\Users\Admin\AppData\Local\Temp\Client.exe"
1⤵
- Loads dropped DLL
- 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:388
- C:\Users\Admin\AppData\Local\Temp\3582-490\Client.exe
  "C:\Users\Admin\AppData\Local\Temp\3582-490\Client.exe"
  2⤵
  - Executes dropped EXE
  PID:2352

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

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:\MSOCache\ALLUSE~1\{90140~1\dwtrig20.exe

Filesize
547KB

MD5
e0f2257e0ad4b04429c932673ead4884

SHA1
352fcc1fe1019cd069ab52b409b31bbd0a08ea9a

SHA256
6e11a49479c1d2b35f15901b0700e307712338f343e1c03fcfe715946fab5969

SHA512
d77e790e63b1b2307df2ef0bb774bcbfa5cdc716764050dfa055a23449cffa5c6f61759b0819712f3e3be06037cbc3469082ba2b02af990017f28658f0103763

Download Submit
\PROGRA~2\Adobe\READER~1.0\Reader\LOGTRA~1.EXE

Filesize
252KB

MD5
9e2b9928c89a9d0da1d3e8f4bd96afa7

SHA1
ec66cda99f44b62470c6930e5afda061579cde35

SHA256
8899b4ed3446b7d55b54defbc1acb7c5392a4b3bc8ec2cdc7c31171708965043

SHA512
2ca5ad1d0e12a8049de885b90b7f56fe77c868e0d6dae4ec4b6f3bc0bf7b2e73295cc9b1328c2b45357ffb0d7804622ab3f91a56140b098e93b691032d508156

Download Submit
\Users\Admin\AppData\Local\Temp\3582-490\Client.exe

Filesize
5.8MB

MD5
281837be71c594c7f7aa10e8336e1463

SHA1
a560aa8295bba491d599abe50ec18ff2a3ac79e9

SHA256
2733fc65d64521126ae8a7b1ee02beb8559703d441e22d5cdf9fa9bdb92e1f5f

SHA512
37d802a673b5d3b5813f240b4e00fde5dcc1472116ddab2482181d4bb6663beefacf9a706bdba557c4754e8da2ea1f442ed37e79955db912b00f2acb14503428

Download Submit
memory/388-0-0x0000000000400000-0x000000000042B000-memory.dmp

Filesize
172KB

Download
memory/388-85-0x0000000000400000-0x000000000042B000-memory.dmp

Filesize
172KB

Download
memory/388-86-0x0000000000400000-0x000000000042B000-memory.dmp

Filesize
172KB

Download
memory/388-88-0x0000000000400000-0x000000000042B000-memory.dmp

Filesize
172KB

Download
memory/2352-83-0x00000000009E0000-0x0000000001028000-memory.dmp

Filesize
6.3MB

Download
memory/2352-84-0x00000000009E0000-0x0000000001028000-memory.dmp

Filesize
6.3MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads