neshta | 39b4395de000a66c4f6690fccea9ba359f2f8d89fe335a953557ace5296ebefc

Analysis

max time kernel
117s
max time network
118s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
05-02-2025 08:27

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

39b4395de000a66c4f6690fccea9ba359f2f8d89fe335a953557ace5296ebefcN.exe
Size

129KB
MD5

777efeb84bf5902d4cf2eed1a2bfbff0
SHA1

2fc42a9fb1e982dd03c705c9965b46a610dfc35c
SHA256

39b4395de000a66c4f6690fccea9ba359f2f8d89fe335a953557ace5296ebefc
SHA512

ee18e89acfcd3a942c07ca6fa80b98c66ffdb5a86eb781e8bf8868efa46a9bb271ead98db536219840d33027184b163dc60e921838f4aad94c12e356750b8c20
SSDEEP

3072:Rr8WDrC2w9U26Yyg6Dou5Qw9U26Yyg6Dou5Q0:tu28UnYXp8UnYXp0

Score

10^/10

neshta discovery persistence spyware stealer

Malware Config

Signatures

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
1684	39b4395de000a66c4f6690fccea9ba359f2f8d89fe335a953557ace5296ebefcN.exe

Loads dropped DLL 3 IoCs

pid	Process
2476	39b4395de000a66c4f6690fccea9ba359f2f8d89fe335a953557ace5296ebefcN.exe
2476	39b4395de000a66c4f6690fccea9ba359f2f8d89fe335a953557ace5296ebefcN.exe
2476	39b4395de000a66c4f6690fccea9ba359f2f8d89fe335a953557ace5296ebefcN.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\" %*"	39b4395de000a66c4f6690fccea9ba359f2f8d89fe335a953557ace5296ebefcN.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\COMMON~1\MICROS~1\OFFICE14\FLTLDR.EXE	39b4395de000a66c4f6690fccea9ba359f2f8d89fe335a953557ace5296ebefcN.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\CNFNOT32.EXE	39b4395de000a66c4f6690fccea9ba359f2f8d89fe335a953557ace5296ebefcN.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\POWERPNT.EXE	39b4395de000a66c4f6690fccea9ba359f2f8d89fe335a953557ace5296ebefcN.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmlaunch.exe	39b4395de000a66c4f6690fccea9ba359f2f8d89fe335a953557ace5296ebefcN.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\AcroRd32.exe	39b4395de000a66c4f6690fccea9ba359f2f8d89fe335a953557ace5296ebefcN.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\SETUPF~1\{AC76B~1\Setup.exe	39b4395de000a66c4f6690fccea9ba359f2f8d89fe335a953557ace5296ebefcN.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSOSYNC.EXE	39b4395de000a66c4f6690fccea9ba359f2f8d89fe335a953557ace5296ebefcN.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\WORDICON.EXE	39b4395de000a66c4f6690fccea9ba359f2f8d89fe335a953557ace5296ebefcN.exe
File opened for modification	C:\PROGRA~2\MOZILL~1\UNINST~1.EXE	39b4395de000a66c4f6690fccea9ba359f2f8d89fe335a953557ace5296ebefcN.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmprph.exe	39b4395de000a66c4f6690fccea9ba359f2f8d89fe335a953557ace5296ebefcN.exe
File opened for modification	C:\PROGRA~2\WINDOW~4\ImagingDevices.exe	39b4395de000a66c4f6690fccea9ba359f2f8d89fe335a953557ace5296ebefcN.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\DW\DW20.EXE	39b4395de000a66c4f6690fccea9ba359f2f8d89fe335a953557ace5296ebefcN.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\DW\DWTRIG20.EXE	39b4395de000a66c4f6690fccea9ba359f2f8d89fe335a953557ace5296ebefcN.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\VSTO\10.0\VSTOIN~1.EXE	39b4395de000a66c4f6690fccea9ba359f2f8d89fe335a953557ace5296ebefcN.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GO664E~1.EXE	39b4395de000a66c4f6690fccea9ba359f2f8d89fe335a953557ace5296ebefcN.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\CLVIEW.EXE	39b4395de000a66c4f6690fccea9ba359f2f8d89fe335a953557ace5296ebefcN.exe
File opened for modification	C:\PROGRA~2\WINDOW~2\ACCESS~1\wordpad.exe	39b4395de000a66c4f6690fccea9ba359f2f8d89fe335a953557ace5296ebefcN.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{57A73~1\VC_RED~1.EXE	39b4395de000a66c4f6690fccea9ba359f2f8d89fe335a953557ace5296ebefcN.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\LICLUA.EXE	39b4395de000a66c4f6690fccea9ba359f2f8d89fe335a953557ace5296ebefcN.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\OFFICE~1\ODeploy.exe	39b4395de000a66c4f6690fccea9ba359f2f8d89fe335a953557ace5296ebefcN.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOF5E2~1.EXE	39b4395de000a66c4f6690fccea9ba359f2f8d89fe335a953557ace5296ebefcN.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\GROOVEMN.EXE	39b4395de000a66c4f6690fccea9ba359f2f8d89fe335a953557ace5296ebefcN.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\IECONT~1.EXE	39b4395de000a66c4f6690fccea9ba359f2f8d89fe335a953557ace5296ebefcN.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\OFFICE~1\Setup.exe	39b4395de000a66c4f6690fccea9ba359f2f8d89fe335a953557ace5296ebefcN.exe
File opened for modification	C:\PROGRA~2\INTERN~1\ielowutil.exe	39b4395de000a66c4f6690fccea9ba359f2f8d89fe335a953557ace5296ebefcN.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\SELFCERT.EXE	39b4395de000a66c4f6690fccea9ba359f2f8d89fe335a953557ace5296ebefcN.exe
File opened for modification	C:\PROGRA~2\WINDOW~1\WinMail.exe	39b4395de000a66c4f6690fccea9ba359f2f8d89fe335a953557ace5296ebefcN.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\SOURCE~1\OSE.EXE	39b4395de000a66c4f6690fccea9ba359f2f8d89fe335a953557ace5296ebefcN.exe
File opened for modification	C:\PROGRA~2\WINDOW~1\wab.exe	39b4395de000a66c4f6690fccea9ba359f2f8d89fe335a953557ace5296ebefcN.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{33D1F~1\VCREDI~1.EXE	39b4395de000a66c4f6690fccea9ba359f2f8d89fe335a953557ace5296ebefcN.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\MSOICONS.EXE	39b4395de000a66c4f6690fccea9ba359f2f8d89fe335a953557ace5296ebefcN.exe
File opened for modification	C:\PROGRA~2\INTERN~1\iexplore.exe	39b4395de000a66c4f6690fccea9ba359f2f8d89fe335a953557ace5296ebefcN.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\ACCICONS.EXE	39b4395de000a66c4f6690fccea9ba359f2f8d89fe335a953557ace5296ebefcN.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\PPTICO.EXE	39b4395de000a66c4f6690fccea9ba359f2f8d89fe335a953557ace5296ebefcN.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\WMPDMC.exe	39b4395de000a66c4f6690fccea9ba359f2f8d89fe335a953557ace5296ebefcN.exe
File opened for modification	C:\PROGRA~2\COMMON~1\ADOBEA~1\Versions\1.0\ADOBEA~1.EXE	39b4395de000a66c4f6690fccea9ba359f2f8d89fe335a953557ace5296ebefcN.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOOGLE~2.EXE	39b4395de000a66c4f6690fccea9ba359f2f8d89fe335a953557ace5296ebefcN.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\misc.exe	39b4395de000a66c4f6690fccea9ba359f2f8d89fe335a953557ace5296ebefcN.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\ONENOTE.EXE	39b4395de000a66c4f6690fccea9ba359f2f8d89fe335a953557ace5296ebefcN.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\VPREVIEW.EXE	39b4395de000a66c4f6690fccea9ba359f2f8d89fe335a953557ace5296ebefcN.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmplayer.exe	39b4395de000a66c4f6690fccea9ba359f2f8d89fe335a953557ace5296ebefcN.exe
File opened for modification	C:\PROGRA~2\WI4223~1\sidebar.exe	39b4395de000a66c4f6690fccea9ba359f2f8d89fe335a953557ace5296ebefcN.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\A3DUTI~1.EXE	39b4395de000a66c4f6690fccea9ba359f2f8d89fe335a953557ace5296ebefcN.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\ink\mip.exe	39b4395de000a66c4f6690fccea9ba359f2f8d89fe335a953557ace5296ebefcN.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\1033\ONELEV.EXE	39b4395de000a66c4f6690fccea9ba359f2f8d89fe335a953557ace5296ebefcN.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\BCSSync.exe	39b4395de000a66c4f6690fccea9ba359f2f8d89fe335a953557ace5296ebefcN.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\INFOPATH.EXE	39b4395de000a66c4f6690fccea9ba359f2f8d89fe335a953557ace5296ebefcN.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\MSInfo\msinfo32.exe	39b4395de000a66c4f6690fccea9ba359f2f8d89fe335a953557ace5296ebefcN.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSTORE.EXE	39b4395de000a66c4f6690fccea9ba359f2f8d89fe335a953557ace5296ebefcN.exe
File opened for modification	C:\PROGRA~2\MOZILL~1\MAINTE~1.EXE	39b4395de000a66c4f6690fccea9ba359f2f8d89fe335a953557ace5296ebefcN.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmpconfig.exe	39b4395de000a66c4f6690fccea9ba359f2f8d89fe335a953557ace5296ebefcN.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{EF6B0~1\VCREDI~1.EXE	39b4395de000a66c4f6690fccea9ba359f2f8d89fe335a953557ace5296ebefcN.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\ACROBR~1.EXE	39b4395de000a66c4f6690fccea9ba359f2f8d89fe335a953557ace5296ebefcN.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\TextConv\WksConv\Wkconv.exe	39b4395de000a66c4f6690fccea9ba359f2f8d89fe335a953557ace5296ebefcN.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\ONENOTEM.EXE	39b4395de000a66c4f6690fccea9ba359f2f8d89fe335a953557ace5296ebefcN.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\XLICONS.EXE	39b4395de000a66c4f6690fccea9ba359f2f8d89fe335a953557ace5296ebefcN.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Resource\Icons\SC_REA~1.EXE	39b4395de000a66c4f6690fccea9ba359f2f8d89fe335a953557ace5296ebefcN.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOOGLE~1.EXE	39b4395de000a66c4f6690fccea9ba359f2f8d89fe335a953557ace5296ebefcN.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSOUC.EXE	39b4395de000a66c4f6690fccea9ba359f2f8d89fe335a953557ace5296ebefcN.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{61087~1\VCREDI~1.EXE	39b4395de000a66c4f6690fccea9ba359f2f8d89fe335a953557ace5296ebefcN.exe
File opened for modification	C:\PROGRA~2\COMMON~1\Adobe\Updater6\ADOBE_~1.EXE	39b4395de000a66c4f6690fccea9ba359f2f8d89fe335a953557ace5296ebefcN.exe
File opened for modification	C:\PROGRA~2\INTERN~1\ieinstal.exe	39b4395de000a66c4f6690fccea9ba359f2f8d89fe335a953557ace5296ebefcN.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\GRAPH.EXE	39b4395de000a66c4f6690fccea9ba359f2f8d89fe335a953557ace5296ebefcN.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSQRY32.EXE	39b4395de000a66c4f6690fccea9ba359f2f8d89fe335a953557ace5296ebefcN.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\svchost.com	39b4395de000a66c4f6690fccea9ba359f2f8d89fe335a953557ace5296ebefcN.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

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	39b4395de000a66c4f6690fccea9ba359f2f8d89fe335a953557ace5296ebefcN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	39b4395de000a66c4f6690fccea9ba359f2f8d89fe335a953557ace5296ebefcN.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\" %*"	39b4395de000a66c4f6690fccea9ba359f2f8d89fe335a953557ace5296ebefcN.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2476 wrote to memory of 1684	2476	39b4395de000a66c4f6690fccea9ba359f2f8d89fe335a953557ace5296ebefcN.exe	28
PID 2476 wrote to memory of 1684	2476	39b4395de000a66c4f6690fccea9ba359f2f8d89fe335a953557ace5296ebefcN.exe	28
PID 2476 wrote to memory of 1684	2476	39b4395de000a66c4f6690fccea9ba359f2f8d89fe335a953557ace5296ebefcN.exe	28
PID 2476 wrote to memory of 1684	2476	39b4395de000a66c4f6690fccea9ba359f2f8d89fe335a953557ace5296ebefcN.exe	28

C:\Users\Admin\AppData\Local\Temp\39b4395de000a66c4f6690fccea9ba359f2f8d89fe335a953557ace5296ebefcN.exe
"C:\Users\Admin\AppData\Local\Temp\39b4395de000a66c4f6690fccea9ba359f2f8d89fe335a953557ace5296ebefcN.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:2476
- C:\Users\Admin\AppData\Local\Temp\3582-490\39b4395de000a66c4f6690fccea9ba359f2f8d89fe335a953557ace5296ebefcN.exe
  "C:\Users\Admin\AppData\Local\Temp\3582-490\39b4395de000a66c4f6690fccea9ba359f2f8d89fe335a953557ace5296ebefcN.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:1684

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

Replay Monitor

Loading Replay Monitor...

Downloads

C:\MSOCache\ALLUSE~1\{90140~1\DW20.EXE

Filesize
859KB

MD5
beb6dae71186da2adfa2e5671bcfd154

SHA1
2c520dfe3490772dfc6bbc2783c5114ca303d39d

SHA256
832b42331ca55ce423a4556827cfacdca82c6dbef771619a28b965ef5c62b815

SHA512
002423a98f74c7f1244fa9caa06e82cecec67d6bf2c721c7cfb7deaf5995e5ba89ff0ce19c9f5294f0fea608753afdac0c324f194e76c0cac4b835de38fcd09e

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\39b4395de000a66c4f6690fccea9ba359f2f8d89fe335a953557ace5296ebefcN.exe

Filesize
88KB

MD5
0a8258ff64c0fccad87d3cfc2c05cd7b

SHA1
b0300ddbd191e2d30f682e18575a98cf3d8dc7e7

SHA256
b1e33c91097f63d8b76666a096bcbb3b25e4f312ee9456a4ba3a690e7765dc00

SHA512
3b2d10a9feb24f2e21806f0bb197560c9fe9bc8497aabb95f28f7060971cf6f5be1cf366224b91e43b3cf7f61dbbf9d13860ec2b0c965f2c54e5fd23918e52d2

Download Submit
memory/2476-87-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/2476-89-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads