neshta | b100bf975efbb7fece7c9970c44cd1bd3707eda78f34de114198a4524f84ac7a

Analysis

max time kernel
118s
max time network
120s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
23-11-2024 02:29

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General

Target

b100bf975efbb7fece7c9970c44cd1bd3707eda78f34de114198a4524f84ac7a.exe
Size

8.8MB
MD5

1478950da74dbb0ee28cb2ea02c849bf
SHA1

9d7e3f7794f65ae05bef48e614e42de9e200f2d8
SHA256

b100bf975efbb7fece7c9970c44cd1bd3707eda78f34de114198a4524f84ac7a
SHA512

97f056b2f81e664b61035f2f51dee892264cdb3e7623e2a375ef8cb4a8ef18dc3f191d3bc22ddfc3204589abe6b4d7d95a8feae993324a39b3f79095ed5f8ac3
SSDEEP

196608:9whtquphsJkphIsD7YekrpPPj9JEP7j24ntQCz1m0t:9whtvpskphIsD7Ye4pnjnETPSCpm+

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
2876	b100bf975efbb7fece7c9970c44cd1bd3707eda78f34de114198a4524f84ac7a.exe

Loads dropped DLL 2 IoCs

pid	Process
1628	b100bf975efbb7fece7c9970c44cd1bd3707eda78f34de114198a4524f84ac7a.exe
1628	b100bf975efbb7fece7c9970c44cd1bd3707eda78f34de114198a4524f84ac7a.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\" %*"	b100bf975efbb7fece7c9970c44cd1bd3707eda78f34de114198a4524f84ac7a.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\WINDOW~4\ImagingDevices.exe	b100bf975efbb7fece7c9970c44cd1bd3707eda78f34de114198a4524f84ac7a.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{EF6B0~1\VCREDI~1.EXE	b100bf975efbb7fece7c9970c44cd1bd3707eda78f34de114198a4524f84ac7a.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\1033\ONELEV.EXE	b100bf975efbb7fece7c9970c44cd1bd3707eda78f34de114198a4524f84ac7a.exe
File opened for modification	C:\PROGRA~2\INTERN~1\iexplore.exe	b100bf975efbb7fece7c9970c44cd1bd3707eda78f34de114198a4524f84ac7a.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\EQUATION\EQNEDT32.EXE	b100bf975efbb7fece7c9970c44cd1bd3707eda78f34de114198a4524f84ac7a.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Resource\Icons\SC_REA~1.EXE	b100bf975efbb7fece7c9970c44cd1bd3707eda78f34de114198a4524f84ac7a.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\CLVIEW.EXE	b100bf975efbb7fece7c9970c44cd1bd3707eda78f34de114198a4524f84ac7a.exe
File opened for modification	C:\PROGRA~2\WINDOW~1\WinMail.exe	b100bf975efbb7fece7c9970c44cd1bd3707eda78f34de114198a4524f84ac7a.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmpconfig.exe	b100bf975efbb7fece7c9970c44cd1bd3707eda78f34de114198a4524f84ac7a.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\AcroRd32.exe	b100bf975efbb7fece7c9970c44cd1bd3707eda78f34de114198a4524f84ac7a.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GO664E~1.EXE	b100bf975efbb7fece7c9970c44cd1bd3707eda78f34de114198a4524f84ac7a.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSOUC.EXE	b100bf975efbb7fece7c9970c44cd1bd3707eda78f34de114198a4524f84ac7a.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\ONENOTE.EXE	b100bf975efbb7fece7c9970c44cd1bd3707eda78f34de114198a4524f84ac7a.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\VPREVIEW.EXE	b100bf975efbb7fece7c9970c44cd1bd3707eda78f34de114198a4524f84ac7a.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\WORDICON.EXE	b100bf975efbb7fece7c9970c44cd1bd3707eda78f34de114198a4524f84ac7a.exe
File opened for modification	C:\PROGRA~2\WINDOW~1\wabmig.exe	b100bf975efbb7fece7c9970c44cd1bd3707eda78f34de114198a4524f84ac7a.exe
File opened for modification	C:\PROGRA~2\WINDOW~2\ACCESS~1\wordpad.exe	b100bf975efbb7fece7c9970c44cd1bd3707eda78f34de114198a4524f84ac7a.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\DW\DW20.EXE	b100bf975efbb7fece7c9970c44cd1bd3707eda78f34de114198a4524f84ac7a.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\SOURCE~1\OSE.EXE	b100bf975efbb7fece7c9970c44cd1bd3707eda78f34de114198a4524f84ac7a.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\TextConv\WksConv\Wkconv.exe	b100bf975efbb7fece7c9970c44cd1bd3707eda78f34de114198a4524f84ac7a.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOOGLE~2.EXE	b100bf975efbb7fece7c9970c44cd1bd3707eda78f34de114198a4524f84ac7a.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\BCSSync.exe	b100bf975efbb7fece7c9970c44cd1bd3707eda78f34de114198a4524f84ac7a.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSOHTMED.EXE	b100bf975efbb7fece7c9970c44cd1bd3707eda78f34de114198a4524f84ac7a.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\ONENOTEM.EXE	b100bf975efbb7fece7c9970c44cd1bd3707eda78f34de114198a4524f84ac7a.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmlaunch.exe	b100bf975efbb7fece7c9970c44cd1bd3707eda78f34de114198a4524f84ac7a.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\ACROBR~1.EXE	b100bf975efbb7fece7c9970c44cd1bd3707eda78f34de114198a4524f84ac7a.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\WMPDMC.exe	b100bf975efbb7fece7c9970c44cd1bd3707eda78f34de114198a4524f84ac7a.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\INFOPATH.EXE	b100bf975efbb7fece7c9970c44cd1bd3707eda78f34de114198a4524f84ac7a.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSQRY32.EXE	b100bf975efbb7fece7c9970c44cd1bd3707eda78f34de114198a4524f84ac7a.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\OFFICE~1\Setup.exe	b100bf975efbb7fece7c9970c44cd1bd3707eda78f34de114198a4524f84ac7a.exe
File opened for modification	C:\PROGRA~2\Google\Update\DISABL~1.EXE	b100bf975efbb7fece7c9970c44cd1bd3707eda78f34de114198a4524f84ac7a.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\IECONT~1.EXE	b100bf975efbb7fece7c9970c44cd1bd3707eda78f34de114198a4524f84ac7a.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\SELFCERT.EXE	b100bf975efbb7fece7c9970c44cd1bd3707eda78f34de114198a4524f84ac7a.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{33D1F~1\VCREDI~1.EXE	b100bf975efbb7fece7c9970c44cd1bd3707eda78f34de114198a4524f84ac7a.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOOGLE~1.EXE	b100bf975efbb7fece7c9970c44cd1bd3707eda78f34de114198a4524f84ac7a.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\DW\DWTRIG20.EXE	b100bf975efbb7fece7c9970c44cd1bd3707eda78f34de114198a4524f84ac7a.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\OFFICE~1\ODeploy.exe	b100bf975efbb7fece7c9970c44cd1bd3707eda78f34de114198a4524f84ac7a.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSTORE.EXE	b100bf975efbb7fece7c9970c44cd1bd3707eda78f34de114198a4524f84ac7a.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\NAMECO~1.EXE	b100bf975efbb7fece7c9970c44cd1bd3707eda78f34de114198a4524f84ac7a.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\WINWORD.EXE	b100bf975efbb7fece7c9970c44cd1bd3707eda78f34de114198a4524f84ac7a.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\LOGTRA~1.EXE	b100bf975efbb7fece7c9970c44cd1bd3707eda78f34de114198a4524f84ac7a.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\Oarpmany.exe	b100bf975efbb7fece7c9970c44cd1bd3707eda78f34de114198a4524f84ac7a.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSOSYNC.EXE	b100bf975efbb7fece7c9970c44cd1bd3707eda78f34de114198a4524f84ac7a.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSTORDB.EXE	b100bf975efbb7fece7c9970c44cd1bd3707eda78f34de114198a4524f84ac7a.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\POWERPNT.EXE	b100bf975efbb7fece7c9970c44cd1bd3707eda78f34de114198a4524f84ac7a.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmpshare.exe	b100bf975efbb7fece7c9970c44cd1bd3707eda78f34de114198a4524f84ac7a.exe
File opened for modification	C:\PROGRA~2\WI4223~1\sidebar.exe	b100bf975efbb7fece7c9970c44cd1bd3707eda78f34de114198a4524f84ac7a.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\A3DUTI~1.EXE	b100bf975efbb7fece7c9970c44cd1bd3707eda78f34de114198a4524f84ac7a.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmplayer.exe	b100bf975efbb7fece7c9970c44cd1bd3707eda78f34de114198a4524f84ac7a.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\Eula.exe	b100bf975efbb7fece7c9970c44cd1bd3707eda78f34de114198a4524f84ac7a.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\GROOVEMN.EXE	b100bf975efbb7fece7c9970c44cd1bd3707eda78f34de114198a4524f84ac7a.exe
File opened for modification	C:\PROGRA~2\WINDOW~1\wab.exe	b100bf975efbb7fece7c9970c44cd1bd3707eda78f34de114198a4524f84ac7a.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{57A73~1\VC_RED~1.EXE	b100bf975efbb7fece7c9970c44cd1bd3707eda78f34de114198a4524f84ac7a.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{CA675~1\VCREDI~1.EXE	b100bf975efbb7fece7c9970c44cd1bd3707eda78f34de114198a4524f84ac7a.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOF5E2~1.EXE	b100bf975efbb7fece7c9970c44cd1bd3707eda78f34de114198a4524f84ac7a.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\XLICONS.EXE	b100bf975efbb7fece7c9970c44cd1bd3707eda78f34de114198a4524f84ac7a.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmprph.exe	b100bf975efbb7fece7c9970c44cd1bd3707eda78f34de114198a4524f84ac7a.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\FLTLDR.EXE	b100bf975efbb7fece7c9970c44cd1bd3707eda78f34de114198a4524f84ac7a.exe
File opened for modification	C:\PROGRA~2\COMMON~1\Adobe\Updater6\ADOBEU~1.EXE	b100bf975efbb7fece7c9970c44cd1bd3707eda78f34de114198a4524f84ac7a.exe
File opened for modification	C:\PROGRA~2\COMMON~1\ADOBEA~1\Versions\1.0\ADOBEA~1.EXE	b100bf975efbb7fece7c9970c44cd1bd3707eda78f34de114198a4524f84ac7a.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\MSOXMLED.EXE	b100bf975efbb7fece7c9970c44cd1bd3707eda78f34de114198a4524f84ac7a.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOOGLE~4.EXE	b100bf975efbb7fece7c9970c44cd1bd3707eda78f34de114198a4524f84ac7a.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOBD5D~1.EXE	b100bf975efbb7fece7c9970c44cd1bd3707eda78f34de114198a4524f84ac7a.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\CNFNOT32.EXE	b100bf975efbb7fece7c9970c44cd1bd3707eda78f34de114198a4524f84ac7a.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\svchost.com	b100bf975efbb7fece7c9970c44cd1bd3707eda78f34de114198a4524f84ac7a.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	b100bf975efbb7fece7c9970c44cd1bd3707eda78f34de114198a4524f84ac7a.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\" %*"	b100bf975efbb7fece7c9970c44cd1bd3707eda78f34de114198a4524f84ac7a.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1628 wrote to memory of 2876	1628	b100bf975efbb7fece7c9970c44cd1bd3707eda78f34de114198a4524f84ac7a.exe	30
PID 1628 wrote to memory of 2876	1628	b100bf975efbb7fece7c9970c44cd1bd3707eda78f34de114198a4524f84ac7a.exe	30
PID 1628 wrote to memory of 2876	1628	b100bf975efbb7fece7c9970c44cd1bd3707eda78f34de114198a4524f84ac7a.exe	30
PID 1628 wrote to memory of 2876	1628	b100bf975efbb7fece7c9970c44cd1bd3707eda78f34de114198a4524f84ac7a.exe	30

C:\Users\Admin\AppData\Local\Temp\b100bf975efbb7fece7c9970c44cd1bd3707eda78f34de114198a4524f84ac7a.exe
"C:\Users\Admin\AppData\Local\Temp\b100bf975efbb7fece7c9970c44cd1bd3707eda78f34de114198a4524f84ac7a.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:1628
- C:\Users\Admin\AppData\Local\Temp\3582-490\b100bf975efbb7fece7c9970c44cd1bd3707eda78f34de114198a4524f84ac7a.exe
  "C:\Users\Admin\AppData\Local\Temp\3582-490\b100bf975efbb7fece7c9970c44cd1bd3707eda78f34de114198a4524f84ac7a.exe"
  2⤵
  - Executes dropped EXE
  PID:2876

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
d30b36247185a670852f45098eb9a8e6

SHA1
f37447d3b870174444e0834bd13629fc9804e6f2

SHA256
e57de7cf83c9f5dc4810d748b3907f65f2909eb6391c140ed0b049c452f7d270

SHA512
d1100b0403e95b035e66841db8a64a710a5f7f1b984f51089259468a21ef7696d65e7a3e84b2f774b000c8016eead784810b336455fc9cd7b6663ebf9abb433b

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\b100bf975efbb7fece7c9970c44cd1bd3707eda78f34de114198a4524f84ac7a.exe

Filesize
8.7MB

MD5
cdcf4d6af94f807c26b0f3de4ddeeee3

SHA1
7f2953db327eb5004eb2a98dddf6748978867eab

SHA256
b08332d53d66e8ea0789dc1cb3165c3fdd84bbf4169049163f32137221e78d57

SHA512
464514e6acff56c8a193b6635c5559a861e73e1680923fd6de12cbcffbe1d118d9e715db350edbe992f1a4bc899359f4b4f7a7ee729f7ddf535439b3d8e87fc5

Download Submit
memory/1628-83-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/1628-85-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads