neshta | 8fdbf538b7650efb41fb65269578af86c679cc0577399057f7385931c77075fb

Analysis

max time kernel
120s
max time network
123s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
04/02/2024, 04:35

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General

Target

8e39ddc4dcea638cc3ce10c7c9e4666b.exe
Size

227KB
MD5

8e39ddc4dcea638cc3ce10c7c9e4666b
SHA1

06a532c9059b15466e0e0de7a2f78a101d3bee00
SHA256

8fdbf538b7650efb41fb65269578af86c679cc0577399057f7385931c77075fb
SHA512

dcac3b07b076cccf3a3b998376038683d64939116e3d99539a8a6870a235cd40d8e0a611febac82481975cd7f599827fbe3476c2ce94db867c13a241927b91eb
SSDEEP

3072:Rr8WDrC8PkADIRnrxSuyJ1gjuYUEHjE2YKHMq8gus0ccntpQQDO+41YmbQy4tpQ2:tuDcIRouWgi0LDZoQ1VY7y+Q1VY7yw

Score

10^/10

neshta 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

Executes dropped EXE 1 IoCs

pid	Process
2352	8e39ddc4dcea638cc3ce10c7c9e4666b.exe

Loads dropped DLL 3 IoCs

pid	Process
2380	8e39ddc4dcea638cc3ce10c7c9e4666b.exe
2380	8e39ddc4dcea638cc3ce10c7c9e4666b.exe
2380	8e39ddc4dcea638cc3ce10c7c9e4666b.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\" %*"	8e39ddc4dcea638cc3ce10c7c9e4666b.exe

Reads user/profile data of web browsers 2 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

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\VSTO\10.0\VSTOIN~1.EXE	8e39ddc4dcea638cc3ce10c7c9e4666b.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\1033\ONELEV.EXE	8e39ddc4dcea638cc3ce10c7c9e4666b.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{61087~1\VCREDI~1.EXE	8e39ddc4dcea638cc3ce10c7c9e4666b.exe
File opened for modification	C:\PROGRA~2\INTERN~1\ieinstal.exe	8e39ddc4dcea638cc3ce10c7c9e4666b.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSTORDB.EXE	8e39ddc4dcea638cc3ce10c7c9e4666b.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\NAMECO~1.EXE	8e39ddc4dcea638cc3ce10c7c9e4666b.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\XLICONS.EXE	8e39ddc4dcea638cc3ce10c7c9e4666b.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{33D1F~1\VCREDI~1.EXE	8e39ddc4dcea638cc3ce10c7c9e4666b.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\DW\DW20.EXE	8e39ddc4dcea638cc3ce10c7c9e4666b.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\EQUATION\EQNEDT32.EXE	8e39ddc4dcea638cc3ce10c7c9e4666b.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\LICLUA.EXE	8e39ddc4dcea638cc3ce10c7c9e4666b.exe
File opened for modification	C:\PROGRA~2\WINDOW~1\WinMail.exe	8e39ddc4dcea638cc3ce10c7c9e4666b.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\Eula.exe	8e39ddc4dcea638cc3ce10c7c9e4666b.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\OFFICE~1\Setup.exe	8e39ddc4dcea638cc3ce10c7c9e4666b.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\WINWORD.EXE	8e39ddc4dcea638cc3ce10c7c9e4666b.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\misc.exe	8e39ddc4dcea638cc3ce10c7c9e4666b.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmlaunch.exe	8e39ddc4dcea638cc3ce10c7c9e4666b.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\ACROBR~1.EXE	8e39ddc4dcea638cc3ce10c7c9e4666b.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\MSOICONS.EXE	8e39ddc4dcea638cc3ce10c7c9e4666b.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\GRAPH.EXE	8e39ddc4dcea638cc3ce10c7c9e4666b.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\WMPDMC.exe	8e39ddc4dcea638cc3ce10c7c9e4666b.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Resource\Icons\SC_REA~1.EXE	8e39ddc4dcea638cc3ce10c7c9e4666b.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\SETUPF~1\{AC76B~1\Setup.exe	8e39ddc4dcea638cc3ce10c7c9e4666b.exe
File opened for modification	C:\PROGRA~2\MOZILL~1\MAINTE~1.EXE	8e39ddc4dcea638cc3ce10c7c9e4666b.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSOUC.EXE	8e39ddc4dcea638cc3ce10c7c9e4666b.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\VPREVIEW.EXE	8e39ddc4dcea638cc3ce10c7c9e4666b.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\WORDICON.EXE	8e39ddc4dcea638cc3ce10c7c9e4666b.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\setup_wm.exe	8e39ddc4dcea638cc3ce10c7c9e4666b.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\ADOBEC~1.EXE	8e39ddc4dcea638cc3ce10c7c9e4666b.exe
File opened for modification	C:\PROGRA~2\COMMON~1\Adobe\Updater6\ADOBEU~1.EXE	8e39ddc4dcea638cc3ce10c7c9e4666b.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\ACCICONS.EXE	8e39ddc4dcea638cc3ce10c7c9e4666b.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\TextConv\WksConv\Wkconv.exe	8e39ddc4dcea638cc3ce10c7c9e4666b.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOOGLE~1.EXE	8e39ddc4dcea638cc3ce10c7c9e4666b.exe
File opened for modification	C:\PROGRA~2\WI4223~1\sidebar.exe	8e39ddc4dcea638cc3ce10c7c9e4666b.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\LOGTRA~1.EXE	8e39ddc4dcea638cc3ce10c7c9e4666b.exe
File opened for modification	C:\PROGRA~2\COMMON~1\ADOBEA~1\Versions\1.0\ADOBEA~1.EXE	8e39ddc4dcea638cc3ce10c7c9e4666b.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\MSInfo\msinfo32.exe	8e39ddc4dcea638cc3ce10c7c9e4666b.exe
File opened for modification	C:\PROGRA~2\COMMON~1\Adobe\Updater6\ADOBE_~1.EXE	8e39ddc4dcea638cc3ce10c7c9e4666b.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GO664E~1.EXE	8e39ddc4dcea638cc3ce10c7c9e4666b.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSOHTMED.EXE	8e39ddc4dcea638cc3ce10c7c9e4666b.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\BCSSync.exe	8e39ddc4dcea638cc3ce10c7c9e4666b.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\ONENOTEM.EXE	8e39ddc4dcea638cc3ce10c7c9e4666b.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\SOURCE~1\OSE.EXE	8e39ddc4dcea638cc3ce10c7c9e4666b.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOOGLE~4.EXE	8e39ddc4dcea638cc3ce10c7c9e4666b.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOBD5D~1.EXE	8e39ddc4dcea638cc3ce10c7c9e4666b.exe
File opened for modification	C:\PROGRA~2\Google\Update\DISABL~1.EXE	8e39ddc4dcea638cc3ce10c7c9e4666b.exe
File opened for modification	C:\PROGRA~2\MOZILL~1\UNINST~1.EXE	8e39ddc4dcea638cc3ce10c7c9e4666b.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmpconfig.exe	8e39ddc4dcea638cc3ce10c7c9e4666b.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmprph.exe	8e39ddc4dcea638cc3ce10c7c9e4666b.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{CA675~1\VCREDI~1.EXE	8e39ddc4dcea638cc3ce10c7c9e4666b.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\AcroRd32.exe	8e39ddc4dcea638cc3ce10c7c9e4666b.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOOGLE~2.EXE	8e39ddc4dcea638cc3ce10c7c9e4666b.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOF5E2~1.EXE	8e39ddc4dcea638cc3ce10c7c9e4666b.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSOSYNC.EXE	8e39ddc4dcea638cc3ce10c7c9e4666b.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSTORE.EXE	8e39ddc4dcea638cc3ce10c7c9e4666b.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{57A73~1\VC_RED~1.EXE	8e39ddc4dcea638cc3ce10c7c9e4666b.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\INFOPATH.EXE	8e39ddc4dcea638cc3ce10c7c9e4666b.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\FLTLDR.EXE	8e39ddc4dcea638cc3ce10c7c9e4666b.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\OFFICE~1\ODeploy.exe	8e39ddc4dcea638cc3ce10c7c9e4666b.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOOGLE~3.EXE	8e39ddc4dcea638cc3ce10c7c9e4666b.exe
File opened for modification	C:\PROGRA~2\WINDOW~1\wab.exe	8e39ddc4dcea638cc3ce10c7c9e4666b.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{4D8DC~1\VC_RED~1.EXE	8e39ddc4dcea638cc3ce10c7c9e4666b.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\A3DUTI~1.EXE	8e39ddc4dcea638cc3ce10c7c9e4666b.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\OIS.EXE	8e39ddc4dcea638cc3ce10c7c9e4666b.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\svchost.com	8e39ddc4dcea638cc3ce10c7c9e4666b.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Modifies registry class 1 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Windows\\svchost.com \"%1\" %*"	8e39ddc4dcea638cc3ce10c7c9e4666b.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2380 wrote to memory of 2352	2380	8e39ddc4dcea638cc3ce10c7c9e4666b.exe	28
PID 2380 wrote to memory of 2352	2380	8e39ddc4dcea638cc3ce10c7c9e4666b.exe	28
PID 2380 wrote to memory of 2352	2380	8e39ddc4dcea638cc3ce10c7c9e4666b.exe	28
PID 2380 wrote to memory of 2352	2380	8e39ddc4dcea638cc3ce10c7c9e4666b.exe	28

C:\Users\Admin\AppData\Local\Temp\8e39ddc4dcea638cc3ce10c7c9e4666b.exe
"C:\Users\Admin\AppData\Local\Temp\8e39ddc4dcea638cc3ce10c7c9e4666b.exe"
1⤵
- Loads dropped DLL
- Modifies system executable filetype association
- Drops file in Program Files directory
- Drops file in Windows directory
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:2380
- C:\Users\Admin\AppData\Local\Temp\3582-490\8e39ddc4dcea638cc3ce10c7c9e4666b.exe
  "C:\Users\Admin\AppData\Local\Temp\3582-490\8e39ddc4dcea638cc3ce10c7c9e4666b.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

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

System Information Discovery

T1082

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\8e39ddc4dcea638cc3ce10c7c9e4666b.exe

Filesize
187KB

MD5
4bb925a6cb23abe798c26d97df059912

SHA1
cab0aef795bb41eab5f7efdc7a02ec76582ddb0b

SHA256
1fb3441c3f3d7cdd590687b1545fc0582e143d357e8cfa10f269fa223554a93f

SHA512
0a306752a33c52272ed5de94ec2c272989c1633c5886862bdb6605a47ed09ef2c3ba17c7da6ecd6dbf0c46f0af33cc3b334e4b0dbba1b1ed4c329ab6269247a9

Download Submit
memory/2380-87-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/2380-88-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/2380-90-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads