neshta | f55df82a0d72e1866204231eca7f385aa827dde2c9e59e030b74ab27a7a83ebf

Analysis

max time kernel
76s
max time network
18s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
27-10-2024 21:05

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General

Target

f55df82a0d72e1866204231eca7f385aa827dde2c9e59e030b74ab27a7a83ebfN.exe
Size

169KB
MD5

573cdc65c850ff8337b38af6aac30460
SHA1

08a4c1000929ab9dca64e7aac7005e01de6f45ba
SHA256

f55df82a0d72e1866204231eca7f385aa827dde2c9e59e030b74ab27a7a83ebf
SHA512

7c58bffdafb987a97759d914bdc207b5ae785f097f453443b5938331aea745ac49d898b09a007176d857ff852761f27a7baa592201a2b1d67ad0885520a3e2e1
SSDEEP

3072:Rr8WDrCIQlp7tlnq26l2APUxymupgfjTSHfqdjMWDI:tujldvX+500g7XoYI

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

Processes:

f55df82a0d72e1866204231eca7f385aa827dde2c9e59e030b74ab27a7a83ebfN.exe

pid	Process
2796	f55df82a0d72e1866204231eca7f385aa827dde2c9e59e030b74ab27a7a83ebfN.exe

Loads dropped DLL 5 IoCs

Processes:

f55df82a0d72e1866204231eca7f385aa827dde2c9e59e030b74ab27a7a83ebfN.exef55df82a0d72e1866204231eca7f385aa827dde2c9e59e030b74ab27a7a83ebfN.exe

pid	Process
2688	f55df82a0d72e1866204231eca7f385aa827dde2c9e59e030b74ab27a7a83ebfN.exe
2796	f55df82a0d72e1866204231eca7f385aa827dde2c9e59e030b74ab27a7a83ebfN.exe
2796	f55df82a0d72e1866204231eca7f385aa827dde2c9e59e030b74ab27a7a83ebfN.exe
2796	f55df82a0d72e1866204231eca7f385aa827dde2c9e59e030b74ab27a7a83ebfN.exe
2688	f55df82a0d72e1866204231eca7f385aa827dde2c9e59e030b74ab27a7a83ebfN.exe

Modifies system executable filetype association 2 TTPs 1 IoCs

persistence

Modify Registry

T1112

Change Default File Association

T1546.001

Processes:

f55df82a0d72e1866204231eca7f385aa827dde2c9e59e030b74ab27a7a83ebfN.exe

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Windows\\svchost.com \"%1\" %*"	f55df82a0d72e1866204231eca7f385aa827dde2c9e59e030b74ab27a7a83ebfN.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:

f55df82a0d72e1866204231eca7f385aa827dde2c9e59e030b74ab27a7a83ebfN.exe

description	ioc	Process
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\ONENOTE.EXE	f55df82a0d72e1866204231eca7f385aa827dde2c9e59e030b74ab27a7a83ebfN.exe
File opened for modification	C:\PROGRA~2\WINDOW~4\ImagingDevices.exe	f55df82a0d72e1866204231eca7f385aa827dde2c9e59e030b74ab27a7a83ebfN.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSQRY32.EXE	f55df82a0d72e1866204231eca7f385aa827dde2c9e59e030b74ab27a7a83ebfN.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmlaunch.exe	f55df82a0d72e1866204231eca7f385aa827dde2c9e59e030b74ab27a7a83ebfN.exe
File opened for modification	C:\PROGRA~2\WINDOW~1\wabmig.exe	f55df82a0d72e1866204231eca7f385aa827dde2c9e59e030b74ab27a7a83ebfN.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{CA675~1\VCREDI~1.EXE	f55df82a0d72e1866204231eca7f385aa827dde2c9e59e030b74ab27a7a83ebfN.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Resource\Icons\SC_REA~1.EXE	f55df82a0d72e1866204231eca7f385aa827dde2c9e59e030b74ab27a7a83ebfN.exe
File opened for modification	C:\PROGRA~2\COMMON~1\ADOBEA~1\Versions\1.0\ADOBEA~1.EXE	f55df82a0d72e1866204231eca7f385aa827dde2c9e59e030b74ab27a7a83ebfN.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\FLTLDR.EXE	f55df82a0d72e1866204231eca7f385aa827dde2c9e59e030b74ab27a7a83ebfN.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\VPREVIEW.EXE	f55df82a0d72e1866204231eca7f385aa827dde2c9e59e030b74ab27a7a83ebfN.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\XLICONS.EXE	f55df82a0d72e1866204231eca7f385aa827dde2c9e59e030b74ab27a7a83ebfN.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\DW\DW20.EXE	f55df82a0d72e1866204231eca7f385aa827dde2c9e59e030b74ab27a7a83ebfN.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOOGLE~3.EXE	f55df82a0d72e1866204231eca7f385aa827dde2c9e59e030b74ab27a7a83ebfN.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\1033\ONELEV.EXE	f55df82a0d72e1866204231eca7f385aa827dde2c9e59e030b74ab27a7a83ebfN.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{EF6B0~1\VCREDI~1.EXE	f55df82a0d72e1866204231eca7f385aa827dde2c9e59e030b74ab27a7a83ebfN.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\SETUPF~1\{AC76B~1\Setup.exe	f55df82a0d72e1866204231eca7f385aa827dde2c9e59e030b74ab27a7a83ebfN.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\VSTO\10.0\VSTOIN~1.EXE	f55df82a0d72e1866204231eca7f385aa827dde2c9e59e030b74ab27a7a83ebfN.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\OIS.EXE	f55df82a0d72e1866204231eca7f385aa827dde2c9e59e030b74ab27a7a83ebfN.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\LICLUA.EXE	f55df82a0d72e1866204231eca7f385aa827dde2c9e59e030b74ab27a7a83ebfN.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\TextConv\WksConv\Wkconv.exe	f55df82a0d72e1866204231eca7f385aa827dde2c9e59e030b74ab27a7a83ebfN.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmplayer.exe	f55df82a0d72e1866204231eca7f385aa827dde2c9e59e030b74ab27a7a83ebfN.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmprph.exe	f55df82a0d72e1866204231eca7f385aa827dde2c9e59e030b74ab27a7a83ebfN.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{33D1F~1\VCREDI~1.EXE	f55df82a0d72e1866204231eca7f385aa827dde2c9e59e030b74ab27a7a83ebfN.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOOGLE~4.EXE	f55df82a0d72e1866204231eca7f385aa827dde2c9e59e030b74ab27a7a83ebfN.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\ACCICONS.EXE	f55df82a0d72e1866204231eca7f385aa827dde2c9e59e030b74ab27a7a83ebfN.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\CLVIEW.EXE	f55df82a0d72e1866204231eca7f385aa827dde2c9e59e030b74ab27a7a83ebfN.exe
File opened for modification	C:\PROGRA~2\WINDOW~2\ACCESS~1\wordpad.exe	f55df82a0d72e1866204231eca7f385aa827dde2c9e59e030b74ab27a7a83ebfN.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\INFOPATH.EXE	f55df82a0d72e1866204231eca7f385aa827dde2c9e59e030b74ab27a7a83ebfN.exe
File opened for modification	C:\PROGRA~2\MOZILL~1\UNINST~1.EXE	f55df82a0d72e1866204231eca7f385aa827dde2c9e59e030b74ab27a7a83ebfN.exe
File opened for modification	C:\PROGRA~2\WINDOW~1\wab.exe	f55df82a0d72e1866204231eca7f385aa827dde2c9e59e030b74ab27a7a83ebfN.exe
File opened for modification	C:\PROGRA~2\MOZILL~1\MAINTE~1.EXE	f55df82a0d72e1866204231eca7f385aa827dde2c9e59e030b74ab27a7a83ebfN.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{61087~1\VCREDI~1.EXE	f55df82a0d72e1866204231eca7f385aa827dde2c9e59e030b74ab27a7a83ebfN.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\CNFNOT32.EXE	f55df82a0d72e1866204231eca7f385aa827dde2c9e59e030b74ab27a7a83ebfN.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\IECONT~1.EXE	f55df82a0d72e1866204231eca7f385aa827dde2c9e59e030b74ab27a7a83ebfN.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\POWERPNT.EXE	f55df82a0d72e1866204231eca7f385aa827dde2c9e59e030b74ab27a7a83ebfN.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\BCSSync.exe	f55df82a0d72e1866204231eca7f385aa827dde2c9e59e030b74ab27a7a83ebfN.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\SELFCERT.EXE	f55df82a0d72e1866204231eca7f385aa827dde2c9e59e030b74ab27a7a83ebfN.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{57A73~1\VC_RED~1.EXE	f55df82a0d72e1866204231eca7f385aa827dde2c9e59e030b74ab27a7a83ebfN.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\ACROBR~1.EXE	f55df82a0d72e1866204231eca7f385aa827dde2c9e59e030b74ab27a7a83ebfN.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\MSOXMLED.EXE	f55df82a0d72e1866204231eca7f385aa827dde2c9e59e030b74ab27a7a83ebfN.exe
File opened for modification	C:\PROGRA~2\INTERN~1\ieinstal.exe	f55df82a0d72e1866204231eca7f385aa827dde2c9e59e030b74ab27a7a83ebfN.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\WMPDMC.exe	f55df82a0d72e1866204231eca7f385aa827dde2c9e59e030b74ab27a7a83ebfN.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\EQUATION\EQNEDT32.EXE	f55df82a0d72e1866204231eca7f385aa827dde2c9e59e030b74ab27a7a83ebfN.exe
File opened for modification	C:\PROGRA~2\Google\Update\DISABL~1.EXE	f55df82a0d72e1866204231eca7f385aa827dde2c9e59e030b74ab27a7a83ebfN.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\GROOVEMN.EXE	f55df82a0d72e1866204231eca7f385aa827dde2c9e59e030b74ab27a7a83ebfN.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOOGLE~2.EXE	f55df82a0d72e1866204231eca7f385aa827dde2c9e59e030b74ab27a7a83ebfN.exe
File opened for modification	C:\PROGRA~2\INTERN~1\ielowutil.exe	f55df82a0d72e1866204231eca7f385aa827dde2c9e59e030b74ab27a7a83ebfN.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\NAMECO~1.EXE	f55df82a0d72e1866204231eca7f385aa827dde2c9e59e030b74ab27a7a83ebfN.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\WINWORD.EXE	f55df82a0d72e1866204231eca7f385aa827dde2c9e59e030b74ab27a7a83ebfN.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmpshare.exe	f55df82a0d72e1866204231eca7f385aa827dde2c9e59e030b74ab27a7a83ebfN.exe
File opened for modification	C:\PROGRA~2\COMMON~1\Adobe\Updater6\ADOBE_~1.EXE	f55df82a0d72e1866204231eca7f385aa827dde2c9e59e030b74ab27a7a83ebfN.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\OFFICE~1\ODeploy.exe	f55df82a0d72e1866204231eca7f385aa827dde2c9e59e030b74ab27a7a83ebfN.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GO664E~1.EXE	f55df82a0d72e1866204231eca7f385aa827dde2c9e59e030b74ab27a7a83ebfN.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\SOURCE~1\OSE.EXE	f55df82a0d72e1866204231eca7f385aa827dde2c9e59e030b74ab27a7a83ebfN.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOBD5D~1.EXE	f55df82a0d72e1866204231eca7f385aa827dde2c9e59e030b74ab27a7a83ebfN.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\misc.exe	f55df82a0d72e1866204231eca7f385aa827dde2c9e59e030b74ab27a7a83ebfN.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSOSYNC.EXE	f55df82a0d72e1866204231eca7f385aa827dde2c9e59e030b74ab27a7a83ebfN.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\ONENOTEM.EXE	f55df82a0d72e1866204231eca7f385aa827dde2c9e59e030b74ab27a7a83ebfN.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\A3DUTI~1.EXE	f55df82a0d72e1866204231eca7f385aa827dde2c9e59e030b74ab27a7a83ebfN.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\ADOBEC~1.EXE	f55df82a0d72e1866204231eca7f385aa827dde2c9e59e030b74ab27a7a83ebfN.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\OFFICE~1\Setup.exe	f55df82a0d72e1866204231eca7f385aa827dde2c9e59e030b74ab27a7a83ebfN.exe
File opened for modification	C:\PROGRA~2\WI4223~1\sidebar.exe	f55df82a0d72e1866204231eca7f385aa827dde2c9e59e030b74ab27a7a83ebfN.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{4D8DC~1\VC_RED~1.EXE	f55df82a0d72e1866204231eca7f385aa827dde2c9e59e030b74ab27a7a83ebfN.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSOUC.EXE	f55df82a0d72e1866204231eca7f385aa827dde2c9e59e030b74ab27a7a83ebfN.exe

Drops file in Windows directory 1 IoCs

Processes:

f55df82a0d72e1866204231eca7f385aa827dde2c9e59e030b74ab27a7a83ebfN.exe

description	ioc	Process
File opened for modification	C:\Windows\svchost.com	f55df82a0d72e1866204231eca7f385aa827dde2c9e59e030b74ab27a7a83ebfN.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

Processes:

f55df82a0d72e1866204231eca7f385aa827dde2c9e59e030b74ab27a7a83ebfN.exef55df82a0d72e1866204231eca7f385aa827dde2c9e59e030b74ab27a7a83ebfN.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	f55df82a0d72e1866204231eca7f385aa827dde2c9e59e030b74ab27a7a83ebfN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	f55df82a0d72e1866204231eca7f385aa827dde2c9e59e030b74ab27a7a83ebfN.exe

Modifies registry class 1 IoCs

Processes:

f55df82a0d72e1866204231eca7f385aa827dde2c9e59e030b74ab27a7a83ebfN.exe

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Windows\\svchost.com \"%1\" %*"	f55df82a0d72e1866204231eca7f385aa827dde2c9e59e030b74ab27a7a83ebfN.exe

Suspicious use of WriteProcessMemory 7 IoCs

Processes:

f55df82a0d72e1866204231eca7f385aa827dde2c9e59e030b74ab27a7a83ebfN.exe

description	pid	Process	procid_target
PID 2688 wrote to memory of 2796	2688	f55df82a0d72e1866204231eca7f385aa827dde2c9e59e030b74ab27a7a83ebfN.exe	30
PID 2688 wrote to memory of 2796	2688	f55df82a0d72e1866204231eca7f385aa827dde2c9e59e030b74ab27a7a83ebfN.exe	30
PID 2688 wrote to memory of 2796	2688	f55df82a0d72e1866204231eca7f385aa827dde2c9e59e030b74ab27a7a83ebfN.exe	30
PID 2688 wrote to memory of 2796	2688	f55df82a0d72e1866204231eca7f385aa827dde2c9e59e030b74ab27a7a83ebfN.exe	30
PID 2688 wrote to memory of 2796	2688	f55df82a0d72e1866204231eca7f385aa827dde2c9e59e030b74ab27a7a83ebfN.exe	30
PID 2688 wrote to memory of 2796	2688	f55df82a0d72e1866204231eca7f385aa827dde2c9e59e030b74ab27a7a83ebfN.exe	30
PID 2688 wrote to memory of 2796	2688	f55df82a0d72e1866204231eca7f385aa827dde2c9e59e030b74ab27a7a83ebfN.exe	30

C:\Users\Admin\AppData\Local\Temp\f55df82a0d72e1866204231eca7f385aa827dde2c9e59e030b74ab27a7a83ebfN.exe
"C:\Users\Admin\AppData\Local\Temp\f55df82a0d72e1866204231eca7f385aa827dde2c9e59e030b74ab27a7a83ebfN.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:2688
- C:\Users\Admin\AppData\Local\Temp\3582-490\f55df82a0d72e1866204231eca7f385aa827dde2c9e59e030b74ab27a7a83ebfN.exe
  "C:\Users\Admin\AppData\Local\Temp\3582-490\f55df82a0d72e1866204231eca7f385aa827dde2c9e59e030b74ab27a7a83ebfN.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  PID:2796

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\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\f55df82a0d72e1866204231eca7f385aa827dde2c9e59e030b74ab27a7a83ebfN.exe

Filesize
129KB

MD5
8e0b7433169f866b7526fc7667bc40fe

SHA1
237b1a2c96ed0ea904e4c1db80d41cea3163b8f3

SHA256
0ea3275e0b4846163d77d0a56a2ee6ffcebd2e453eab4606cce2c02b2ed67abf

SHA512
2b3cc9312718d1309cbd7056b243ac68f9240a306667ff631366a53f352efe13db3f29e22b4229b5ce2c20191d816cdbea18c73b51bb3e1f2e735dd81cc95a29

Download Submit
memory/2688-88-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/2688-90-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download