neshta | ef5258f3297f4e3246cb3f8757f2d4eb60fa85b37c2fee221f617da4e406ffe3

Analysis

max time kernel
122s
max time network
123s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
23-11-2024 05:07

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General

Target

ef5258f3297f4e3246cb3f8757f2d4eb60fa85b37c2fee221f617da4e406ffe3.exe
Size

1.1MB
MD5

8f0e40b78001a4d851d2c058fd53c99d
SHA1

753c1ebf5f7f1532948ec453c56283ea2dbaba57
SHA256

ef5258f3297f4e3246cb3f8757f2d4eb60fa85b37c2fee221f617da4e406ffe3
SHA512

60726f1319f96836564ebc5aa7b72fceddea65b19f760f0828744b8df38f289d4e392f17cef5064bd68d29cfa04a2a01a68f8423a6a2f3b7788cb5aef91cef46
SSDEEP

24576:D+ycj6GoJ01R3riaKIe0MStS/o6ui2OkhAxx:ay6g0X3jKIeVSc/zuidxx

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 2 IoCs

Processes:

ef5258f3297f4e3246cb3f8757f2d4eb60fa85b37c2fee221f617da4e406ffe3.exe

pid	Process
1260	ef5258f3297f4e3246cb3f8757f2d4eb60fa85b37c2fee221f617da4e406ffe3.exe
1208

Loads dropped DLL 3 IoCs

Processes:

ef5258f3297f4e3246cb3f8757f2d4eb60fa85b37c2fee221f617da4e406ffe3.exe

pid	Process
2384	ef5258f3297f4e3246cb3f8757f2d4eb60fa85b37c2fee221f617da4e406ffe3.exe
2384	ef5258f3297f4e3246cb3f8757f2d4eb60fa85b37c2fee221f617da4e406ffe3.exe
2384	ef5258f3297f4e3246cb3f8757f2d4eb60fa85b37c2fee221f617da4e406ffe3.exe

Modifies system executable filetype association 2 TTPs 1 IoCs

persistence

Modify Registry

T1112

Change Default File Association

T1546.001

Processes:

ef5258f3297f4e3246cb3f8757f2d4eb60fa85b37c2fee221f617da4e406ffe3.exe

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Windows\\svchost.com \"%1\" %*"	ef5258f3297f4e3246cb3f8757f2d4eb60fa85b37c2fee221f617da4e406ffe3.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:

ef5258f3297f4e3246cb3f8757f2d4eb60fa85b37c2fee221f617da4e406ffe3.exe

description	ioc	Process
File opened for modification	C:\PROGRA~3\PACKAG~1\{EF6B0~1\VCREDI~1.EXE	ef5258f3297f4e3246cb3f8757f2d4eb60fa85b37c2fee221f617da4e406ffe3.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\ACROBR~1.EXE	ef5258f3297f4e3246cb3f8757f2d4eb60fa85b37c2fee221f617da4e406ffe3.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\AcroRd32.exe	ef5258f3297f4e3246cb3f8757f2d4eb60fa85b37c2fee221f617da4e406ffe3.exe
File opened for modification	C:\PROGRA~2\COMMON~1\Adobe\Updater6\ADOBE_~1.EXE	ef5258f3297f4e3246cb3f8757f2d4eb60fa85b37c2fee221f617da4e406ffe3.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\DW\DW20.EXE	ef5258f3297f4e3246cb3f8757f2d4eb60fa85b37c2fee221f617da4e406ffe3.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\INFOPATH.EXE	ef5258f3297f4e3246cb3f8757f2d4eb60fa85b37c2fee221f617da4e406ffe3.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmprph.exe	ef5258f3297f4e3246cb3f8757f2d4eb60fa85b37c2fee221f617da4e406ffe3.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\setup_wm.exe	ef5258f3297f4e3246cb3f8757f2d4eb60fa85b37c2fee221f617da4e406ffe3.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\EQUATION\EQNEDT32.EXE	ef5258f3297f4e3246cb3f8757f2d4eb60fa85b37c2fee221f617da4e406ffe3.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\MSInfo\msinfo32.exe	ef5258f3297f4e3246cb3f8757f2d4eb60fa85b37c2fee221f617da4e406ffe3.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOOGLE~3.EXE	ef5258f3297f4e3246cb3f8757f2d4eb60fa85b37c2fee221f617da4e406ffe3.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\ACCICONS.EXE	ef5258f3297f4e3246cb3f8757f2d4eb60fa85b37c2fee221f617da4e406ffe3.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\POWERPNT.EXE	ef5258f3297f4e3246cb3f8757f2d4eb60fa85b37c2fee221f617da4e406ffe3.exe
File opened for modification	C:\PROGRA~2\WINDOW~1\wab.exe	ef5258f3297f4e3246cb3f8757f2d4eb60fa85b37c2fee221f617da4e406ffe3.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GO664E~1.EXE	ef5258f3297f4e3246cb3f8757f2d4eb60fa85b37c2fee221f617da4e406ffe3.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\1033\ONELEV.EXE	ef5258f3297f4e3246cb3f8757f2d4eb60fa85b37c2fee221f617da4e406ffe3.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSOUC.EXE	ef5258f3297f4e3246cb3f8757f2d4eb60fa85b37c2fee221f617da4e406ffe3.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\PPTICO.EXE	ef5258f3297f4e3246cb3f8757f2d4eb60fa85b37c2fee221f617da4e406ffe3.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmplayer.exe	ef5258f3297f4e3246cb3f8757f2d4eb60fa85b37c2fee221f617da4e406ffe3.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{57A73~1\VC_RED~1.EXE	ef5258f3297f4e3246cb3f8757f2d4eb60fa85b37c2fee221f617da4e406ffe3.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSQRY32.EXE	ef5258f3297f4e3246cb3f8757f2d4eb60fa85b37c2fee221f617da4e406ffe3.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\NAMECO~1.EXE	ef5258f3297f4e3246cb3f8757f2d4eb60fa85b37c2fee221f617da4e406ffe3.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\A3DUTI~1.EXE	ef5258f3297f4e3246cb3f8757f2d4eb60fa85b37c2fee221f617da4e406ffe3.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\Oarpmany.exe	ef5258f3297f4e3246cb3f8757f2d4eb60fa85b37c2fee221f617da4e406ffe3.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\OFFICE~1\ODeploy.exe	ef5258f3297f4e3246cb3f8757f2d4eb60fa85b37c2fee221f617da4e406ffe3.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOOGLE~1.EXE	ef5258f3297f4e3246cb3f8757f2d4eb60fa85b37c2fee221f617da4e406ffe3.exe
File opened for modification	C:\PROGRA~2\Google\Update\DISABL~1.EXE	ef5258f3297f4e3246cb3f8757f2d4eb60fa85b37c2fee221f617da4e406ffe3.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSOSYNC.EXE	ef5258f3297f4e3246cb3f8757f2d4eb60fa85b37c2fee221f617da4e406ffe3.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\SELFCERT.EXE	ef5258f3297f4e3246cb3f8757f2d4eb60fa85b37c2fee221f617da4e406ffe3.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmlaunch.exe	ef5258f3297f4e3246cb3f8757f2d4eb60fa85b37c2fee221f617da4e406ffe3.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\WMPDMC.exe	ef5258f3297f4e3246cb3f8757f2d4eb60fa85b37c2fee221f617da4e406ffe3.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\LOGTRA~1.EXE	ef5258f3297f4e3246cb3f8757f2d4eb60fa85b37c2fee221f617da4e406ffe3.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\DW\DWTRIG20.EXE	ef5258f3297f4e3246cb3f8757f2d4eb60fa85b37c2fee221f617da4e406ffe3.exe
File opened for modification	C:\PROGRA~2\WI4223~1\sidebar.exe	ef5258f3297f4e3246cb3f8757f2d4eb60fa85b37c2fee221f617da4e406ffe3.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\VSTO\10.0\VSTOIN~1.EXE	ef5258f3297f4e3246cb3f8757f2d4eb60fa85b37c2fee221f617da4e406ffe3.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmpconfig.exe	ef5258f3297f4e3246cb3f8757f2d4eb60fa85b37c2fee221f617da4e406ffe3.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\MSOICONS.EXE	ef5258f3297f4e3246cb3f8757f2d4eb60fa85b37c2fee221f617da4e406ffe3.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\MSOXMLED.EXE	ef5258f3297f4e3246cb3f8757f2d4eb60fa85b37c2fee221f617da4e406ffe3.exe
File opened for modification	C:\PROGRA~2\INTERN~1\iexplore.exe	ef5258f3297f4e3246cb3f8757f2d4eb60fa85b37c2fee221f617da4e406ffe3.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\IECONT~1.EXE	ef5258f3297f4e3246cb3f8757f2d4eb60fa85b37c2fee221f617da4e406ffe3.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmpshare.exe	ef5258f3297f4e3246cb3f8757f2d4eb60fa85b37c2fee221f617da4e406ffe3.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{CA675~1\VCREDI~1.EXE	ef5258f3297f4e3246cb3f8757f2d4eb60fa85b37c2fee221f617da4e406ffe3.exe
File opened for modification	C:\PROGRA~2\MOZILL~1\MAINTE~1.EXE	ef5258f3297f4e3246cb3f8757f2d4eb60fa85b37c2fee221f617da4e406ffe3.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\SOURCE~1\OSE.EXE	ef5258f3297f4e3246cb3f8757f2d4eb60fa85b37c2fee221f617da4e406ffe3.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\misc.exe	ef5258f3297f4e3246cb3f8757f2d4eb60fa85b37c2fee221f617da4e406ffe3.exe
File opened for modification	C:\PROGRA~2\WINDOW~2\ACCESS~1\wordpad.exe	ef5258f3297f4e3246cb3f8757f2d4eb60fa85b37c2fee221f617da4e406ffe3.exe
File opened for modification	C:\PROGRA~2\COMMON~1\Adobe\Updater6\ADOBEU~1.EXE	ef5258f3297f4e3246cb3f8757f2d4eb60fa85b37c2fee221f617da4e406ffe3.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOOGLE~4.EXE	ef5258f3297f4e3246cb3f8757f2d4eb60fa85b37c2fee221f617da4e406ffe3.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOOGLE~2.EXE	ef5258f3297f4e3246cb3f8757f2d4eb60fa85b37c2fee221f617da4e406ffe3.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOF5E2~1.EXE	ef5258f3297f4e3246cb3f8757f2d4eb60fa85b37c2fee221f617da4e406ffe3.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSOHTMED.EXE	ef5258f3297f4e3246cb3f8757f2d4eb60fa85b37c2fee221f617da4e406ffe3.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\ADOBEC~1.EXE	ef5258f3297f4e3246cb3f8757f2d4eb60fa85b37c2fee221f617da4e406ffe3.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\FLTLDR.EXE	ef5258f3297f4e3246cb3f8757f2d4eb60fa85b37c2fee221f617da4e406ffe3.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\BCSSync.exe	ef5258f3297f4e3246cb3f8757f2d4eb60fa85b37c2fee221f617da4e406ffe3.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\CNFNOT32.EXE	ef5258f3297f4e3246cb3f8757f2d4eb60fa85b37c2fee221f617da4e406ffe3.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\VPREVIEW.EXE	ef5258f3297f4e3246cb3f8757f2d4eb60fa85b37c2fee221f617da4e406ffe3.exe
File opened for modification	C:\PROGRA~2\MOZILL~1\UNINST~1.EXE	ef5258f3297f4e3246cb3f8757f2d4eb60fa85b37c2fee221f617da4e406ffe3.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\ONENOTEM.EXE	ef5258f3297f4e3246cb3f8757f2d4eb60fa85b37c2fee221f617da4e406ffe3.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\Eula.exe	ef5258f3297f4e3246cb3f8757f2d4eb60fa85b37c2fee221f617da4e406ffe3.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\SETUPF~1\{AC76B~1\Setup.exe	ef5258f3297f4e3246cb3f8757f2d4eb60fa85b37c2fee221f617da4e406ffe3.exe
File opened for modification	C:\PROGRA~2\COMMON~1\ADOBEA~1\Versions\1.0\ADOBEA~1.EXE	ef5258f3297f4e3246cb3f8757f2d4eb60fa85b37c2fee221f617da4e406ffe3.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\TextConv\WksConv\Wkconv.exe	ef5258f3297f4e3246cb3f8757f2d4eb60fa85b37c2fee221f617da4e406ffe3.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\CLVIEW.EXE	ef5258f3297f4e3246cb3f8757f2d4eb60fa85b37c2fee221f617da4e406ffe3.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\GROOVEMN.EXE	ef5258f3297f4e3246cb3f8757f2d4eb60fa85b37c2fee221f617da4e406ffe3.exe

Drops file in Windows directory 1 IoCs

Processes:

ef5258f3297f4e3246cb3f8757f2d4eb60fa85b37c2fee221f617da4e406ffe3.exe

description	ioc	Process
File opened for modification	C:\Windows\svchost.com	ef5258f3297f4e3246cb3f8757f2d4eb60fa85b37c2fee221f617da4e406ffe3.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:

ef5258f3297f4e3246cb3f8757f2d4eb60fa85b37c2fee221f617da4e406ffe3.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ef5258f3297f4e3246cb3f8757f2d4eb60fa85b37c2fee221f617da4e406ffe3.exe

Modifies registry class 1 IoCs

Processes:

ef5258f3297f4e3246cb3f8757f2d4eb60fa85b37c2fee221f617da4e406ffe3.exe

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Windows\\svchost.com \"%1\" %*"	ef5258f3297f4e3246cb3f8757f2d4eb60fa85b37c2fee221f617da4e406ffe3.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

ef5258f3297f4e3246cb3f8757f2d4eb60fa85b37c2fee221f617da4e406ffe3.exe

pid	Process
1260	ef5258f3297f4e3246cb3f8757f2d4eb60fa85b37c2fee221f617da4e406ffe3.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

ef5258f3297f4e3246cb3f8757f2d4eb60fa85b37c2fee221f617da4e406ffe3.exe

description	pid	Process	procid_target
PID 2384 wrote to memory of 1260	2384	ef5258f3297f4e3246cb3f8757f2d4eb60fa85b37c2fee221f617da4e406ffe3.exe	30
PID 2384 wrote to memory of 1260	2384	ef5258f3297f4e3246cb3f8757f2d4eb60fa85b37c2fee221f617da4e406ffe3.exe	30
PID 2384 wrote to memory of 1260	2384	ef5258f3297f4e3246cb3f8757f2d4eb60fa85b37c2fee221f617da4e406ffe3.exe	30
PID 2384 wrote to memory of 1260	2384	ef5258f3297f4e3246cb3f8757f2d4eb60fa85b37c2fee221f617da4e406ffe3.exe	30

C:\Users\Admin\AppData\Local\Temp\ef5258f3297f4e3246cb3f8757f2d4eb60fa85b37c2fee221f617da4e406ffe3.exe
"C:\Users\Admin\AppData\Local\Temp\ef5258f3297f4e3246cb3f8757f2d4eb60fa85b37c2fee221f617da4e406ffe3.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:2384
- C:\Users\Admin\AppData\Local\Temp\3582-490\ef5258f3297f4e3246cb3f8757f2d4eb60fa85b37c2fee221f617da4e406ffe3.exe
  "C:\Users\Admin\AppData\Local\Temp\3582-490\ef5258f3297f4e3246cb3f8757f2d4eb60fa85b37c2fee221f617da4e406ffe3.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious behavior: GetForegroundWindowSpam
  PID:1260

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

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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\ef5258f3297f4e3246cb3f8757f2d4eb60fa85b37c2fee221f617da4e406ffe3.exe

Filesize
1.1MB

MD5
cc1c4a5fc8c3681c9ef199788152768a

SHA1
7c08ddb3b57cf9a00f02a484e23a4b6c8a6d738d

SHA256
0d2567730df546e03b6dd2774368e04864bf7e54cc7b244b67d377b267de3c4d

SHA512
911f762bd2f6d01369a33ccf4c956fe23e3e620e2a3fc732a75b2757c51c40649ba06f6d47768034901f361a0502a11cead6f20b7e55c63fcf4eb214595be165

Download Submit
memory/2384-86-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/2384-88-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download