neshta | 257a301a7923c9aa1d5dd95f72520561db1fe05f4edb7264e5cc9d7dc04543bb

General

Target

257a301a7923c9aa1d5dd95f72520561db1fe05f4edb7264e5cc9d7dc04543bb.exe
Size

4.4MB
MD5

5461609a3a289e28da6f562a22184bf5
SHA1

33c1cf42136fba41731a41057b3c6dfbbb1e819f
SHA256

257a301a7923c9aa1d5dd95f72520561db1fe05f4edb7264e5cc9d7dc04543bb
SHA512

da04ebbb16731cea30a4833d898fc602db3d80bca6a7c7e272dd0696ac4205a24832c0f0a7404f41c69eac9309abefdb5fd22cf23e2d49439e5588e71389d9e4

Score

10^/10

neshta persistence spyware stealer

Malware Config

Signatures

Modifies system executable filetype association 2 TTPs 1 IoCs

persistence

Modify Registry

T1112

Change Default File Association

T1042

Processes:

257a301a7923c9aa1d5dd95f72520561db1fe05f4edb7264e5cc9d7dc04543bb.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Windows\\svchost.com \"%1\" %*"	257a301a7923c9aa1d5dd95f72520561db1fe05f4edb7264e5cc9d7dc04543bb.exe

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

Processes:

257a301a7923c9aa1d5dd95f72520561db1fe05f4edb7264e5cc9d7dc04543bb.exe

pid process

1720 257a301a7923c9aa1d5dd95f72520561db1fe05f4edb7264e5cc9d7dc04543bb.exe

pid	process
1720	257a301a7923c9aa1d5dd95f72520561db1fe05f4edb7264e5cc9d7dc04543bb.exe

Loads dropped DLL 3 IoCs

Processes:

257a301a7923c9aa1d5dd95f72520561db1fe05f4edb7264e5cc9d7dc04543bb.exe

pid	process
1612	257a301a7923c9aa1d5dd95f72520561db1fe05f4edb7264e5cc9d7dc04543bb.exe
1612	257a301a7923c9aa1d5dd95f72520561db1fe05f4edb7264e5cc9d7dc04543bb.exe
1612	257a301a7923c9aa1d5dd95f72520561db1fe05f4edb7264e5cc9d7dc04543bb.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
T1081

Drops file in Program Files directory 64 IoCs

Processes:

257a301a7923c9aa1d5dd95f72520561db1fe05f4edb7264e5cc9d7dc04543bb.exe

description	ioc	process
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\Eula.exe	257a301a7923c9aa1d5dd95f72520561db1fe05f4edb7264e5cc9d7dc04543bb.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\1033\ONELEV.EXE	257a301a7923c9aa1d5dd95f72520561db1fe05f4edb7264e5cc9d7dc04543bb.exe
File opened for modification	C:\PROGRA~2\WINDOW~2\ACCESS~1\wordpad.exe	257a301a7923c9aa1d5dd95f72520561db1fe05f4edb7264e5cc9d7dc04543bb.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\DW\DW20.EXE	257a301a7923c9aa1d5dd95f72520561db1fe05f4edb7264e5cc9d7dc04543bb.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{EF6B0~1\VCREDI~1.EXE	257a301a7923c9aa1d5dd95f72520561db1fe05f4edb7264e5cc9d7dc04543bb.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\ink\mip.exe	257a301a7923c9aa1d5dd95f72520561db1fe05f4edb7264e5cc9d7dc04543bb.exe
File opened for modification	C:\PROGRA~2\MOZILL~1\UNINST~1.EXE	257a301a7923c9aa1d5dd95f72520561db1fe05f4edb7264e5cc9d7dc04543bb.exe
File opened for modification	C:\PROGRA~2\WINDOW~1\wabmig.exe	257a301a7923c9aa1d5dd95f72520561db1fe05f4edb7264e5cc9d7dc04543bb.exe
File opened for modification	C:\PROGRA~2\WINDOW~1\WinMail.exe	257a301a7923c9aa1d5dd95f72520561db1fe05f4edb7264e5cc9d7dc04543bb.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmpconfig.exe	257a301a7923c9aa1d5dd95f72520561db1fe05f4edb7264e5cc9d7dc04543bb.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmplayer.exe	257a301a7923c9aa1d5dd95f72520561db1fe05f4edb7264e5cc9d7dc04543bb.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\ACROBR~1.EXE	257a301a7923c9aa1d5dd95f72520561db1fe05f4edb7264e5cc9d7dc04543bb.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\EQUATION\EQNEDT32.EXE	257a301a7923c9aa1d5dd95f72520561db1fe05f4edb7264e5cc9d7dc04543bb.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.71\GOOGLE~1.EXE	257a301a7923c9aa1d5dd95f72520561db1fe05f4edb7264e5cc9d7dc04543bb.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.71\GOF5E2~1.EXE	257a301a7923c9aa1d5dd95f72520561db1fe05f4edb7264e5cc9d7dc04543bb.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\ONENOTE.EXE	257a301a7923c9aa1d5dd95f72520561db1fe05f4edb7264e5cc9d7dc04543bb.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\POWERPNT.EXE	257a301a7923c9aa1d5dd95f72520561db1fe05f4edb7264e5cc9d7dc04543bb.exe
File opened for modification	C:\PROGRA~2\WINDOW~4\ImagingDevices.exe	257a301a7923c9aa1d5dd95f72520561db1fe05f4edb7264e5cc9d7dc04543bb.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{61087~1\VCREDI~1.EXE	257a301a7923c9aa1d5dd95f72520561db1fe05f4edb7264e5cc9d7dc04543bb.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\A3DUTI~1.EXE	257a301a7923c9aa1d5dd95f72520561db1fe05f4edb7264e5cc9d7dc04543bb.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\DW\DWTRIG20.EXE	257a301a7923c9aa1d5dd95f72520561db1fe05f4edb7264e5cc9d7dc04543bb.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\MSOXMLED.EXE	257a301a7923c9aa1d5dd95f72520561db1fe05f4edb7264e5cc9d7dc04543bb.exe
File opened for modification	C:\PROGRA~2\INTERN~1\ieinstal.exe	257a301a7923c9aa1d5dd95f72520561db1fe05f4edb7264e5cc9d7dc04543bb.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\misc.exe	257a301a7923c9aa1d5dd95f72520561db1fe05f4edb7264e5cc9d7dc04543bb.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSQRY32.EXE	257a301a7923c9aa1d5dd95f72520561db1fe05f4edb7264e5cc9d7dc04543bb.exe
File opened for modification	C:\PROGRA~2\WI4223~1\sidebar.exe	257a301a7923c9aa1d5dd95f72520561db1fe05f4edb7264e5cc9d7dc04543bb.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\WORDICON.EXE	257a301a7923c9aa1d5dd95f72520561db1fe05f4edb7264e5cc9d7dc04543bb.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{33D1F~1\VCREDI~1.EXE	257a301a7923c9aa1d5dd95f72520561db1fe05f4edb7264e5cc9d7dc04543bb.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\FLTLDR.EXE	257a301a7923c9aa1d5dd95f72520561db1fe05f4edb7264e5cc9d7dc04543bb.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.71\GOBD5D~1.EXE	257a301a7923c9aa1d5dd95f72520561db1fe05f4edb7264e5cc9d7dc04543bb.exe
File opened for modification	C:\PROGRA~2\INTERN~1\ielowutil.exe	257a301a7923c9aa1d5dd95f72520561db1fe05f4edb7264e5cc9d7dc04543bb.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSOHTMED.EXE	257a301a7923c9aa1d5dd95f72520561db1fe05f4edb7264e5cc9d7dc04543bb.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\SELFCERT.EXE	257a301a7923c9aa1d5dd95f72520561db1fe05f4edb7264e5cc9d7dc04543bb.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\VPREVIEW.EXE	257a301a7923c9aa1d5dd95f72520561db1fe05f4edb7264e5cc9d7dc04543bb.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{57A73~1\VC_RED~1.EXE	257a301a7923c9aa1d5dd95f72520561db1fe05f4edb7264e5cc9d7dc04543bb.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\OFFICE~1\Setup.exe	257a301a7923c9aa1d5dd95f72520561db1fe05f4edb7264e5cc9d7dc04543bb.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\GRAPH.EXE	257a301a7923c9aa1d5dd95f72520561db1fe05f4edb7264e5cc9d7dc04543bb.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\GROOVEMN.EXE	257a301a7923c9aa1d5dd95f72520561db1fe05f4edb7264e5cc9d7dc04543bb.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\IECONT~1.EXE	257a301a7923c9aa1d5dd95f72520561db1fe05f4edb7264e5cc9d7dc04543bb.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\NAMECO~1.EXE	257a301a7923c9aa1d5dd95f72520561db1fe05f4edb7264e5cc9d7dc04543bb.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmprph.exe	257a301a7923c9aa1d5dd95f72520561db1fe05f4edb7264e5cc9d7dc04543bb.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\MSInfo\msinfo32.exe	257a301a7923c9aa1d5dd95f72520561db1fe05f4edb7264e5cc9d7dc04543bb.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\SOURCE~1\OSE.EXE	257a301a7923c9aa1d5dd95f72520561db1fe05f4edb7264e5cc9d7dc04543bb.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\INFOPATH.EXE	257a301a7923c9aa1d5dd95f72520561db1fe05f4edb7264e5cc9d7dc04543bb.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSTORE.EXE	257a301a7923c9aa1d5dd95f72520561db1fe05f4edb7264e5cc9d7dc04543bb.exe
File opened for modification	C:\PROGRA~2\MOZILL~1\MAINTE~1.EXE	257a301a7923c9aa1d5dd95f72520561db1fe05f4edb7264e5cc9d7dc04543bb.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\setup_wm.exe	257a301a7923c9aa1d5dd95f72520561db1fe05f4edb7264e5cc9d7dc04543bb.exe
File opened for modification	C:\PROGRA~2\WINDOW~1\wab.exe	257a301a7923c9aa1d5dd95f72520561db1fe05f4edb7264e5cc9d7dc04543bb.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\ADOBEC~1.EXE	257a301a7923c9aa1d5dd95f72520561db1fe05f4edb7264e5cc9d7dc04543bb.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\Oarpmany.exe	257a301a7923c9aa1d5dd95f72520561db1fe05f4edb7264e5cc9d7dc04543bb.exe
File opened for modification	C:\PROGRA~2\Google\Update\DISABL~1.EXE	257a301a7923c9aa1d5dd95f72520561db1fe05f4edb7264e5cc9d7dc04543bb.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSOUC.EXE	257a301a7923c9aa1d5dd95f72520561db1fe05f4edb7264e5cc9d7dc04543bb.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\ONENOTEM.EXE	257a301a7923c9aa1d5dd95f72520561db1fe05f4edb7264e5cc9d7dc04543bb.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\WINWORD.EXE	257a301a7923c9aa1d5dd95f72520561db1fe05f4edb7264e5cc9d7dc04543bb.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\MSOICONS.EXE	257a301a7923c9aa1d5dd95f72520561db1fe05f4edb7264e5cc9d7dc04543bb.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSTORDB.EXE	257a301a7923c9aa1d5dd95f72520561db1fe05f4edb7264e5cc9d7dc04543bb.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{4D8DC~1\VC_RED~1.EXE	257a301a7923c9aa1d5dd95f72520561db1fe05f4edb7264e5cc9d7dc04543bb.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\AcroRd32.exe	257a301a7923c9aa1d5dd95f72520561db1fe05f4edb7264e5cc9d7dc04543bb.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\OFFICE~1\ODeploy.exe	257a301a7923c9aa1d5dd95f72520561db1fe05f4edb7264e5cc9d7dc04543bb.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\TextConv\WksConv\Wkconv.exe	257a301a7923c9aa1d5dd95f72520561db1fe05f4edb7264e5cc9d7dc04543bb.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\OIS.EXE	257a301a7923c9aa1d5dd95f72520561db1fe05f4edb7264e5cc9d7dc04543bb.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\PPTICO.EXE	257a301a7923c9aa1d5dd95f72520561db1fe05f4edb7264e5cc9d7dc04543bb.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\WMPDMC.exe	257a301a7923c9aa1d5dd95f72520561db1fe05f4edb7264e5cc9d7dc04543bb.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\LOGTRA~1.EXE	257a301a7923c9aa1d5dd95f72520561db1fe05f4edb7264e5cc9d7dc04543bb.exe

Drops file in Windows directory 1 IoCs

Processes:

257a301a7923c9aa1d5dd95f72520561db1fe05f4edb7264e5cc9d7dc04543bb.exe

description ioc process

File opened for modification C:\Windows\svchost.com 257a301a7923c9aa1d5dd95f72520561db1fe05f4edb7264e5cc9d7dc04543bb.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

description	ioc	process
File opened for modification	C:\Windows\svchost.com	257a301a7923c9aa1d5dd95f72520561db1fe05f4edb7264e5cc9d7dc04543bb.exe

Modifies registry class 1 IoCs

Processes:

257a301a7923c9aa1d5dd95f72520561db1fe05f4edb7264e5cc9d7dc04543bb.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Windows\\svchost.com \"%1\" %*"	257a301a7923c9aa1d5dd95f72520561db1fe05f4edb7264e5cc9d7dc04543bb.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

257a301a7923c9aa1d5dd95f72520561db1fe05f4edb7264e5cc9d7dc04543bb.exe

pid process

1720 257a301a7923c9aa1d5dd95f72520561db1fe05f4edb7264e5cc9d7dc04543bb.exe

pid	process
1720	257a301a7923c9aa1d5dd95f72520561db1fe05f4edb7264e5cc9d7dc04543bb.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

257a301a7923c9aa1d5dd95f72520561db1fe05f4edb7264e5cc9d7dc04543bb.exe

description	pid	process	target process
PID 1612 wrote to memory of 1720	1612	257a301a7923c9aa1d5dd95f72520561db1fe05f4edb7264e5cc9d7dc04543bb.exe	257a301a7923c9aa1d5dd95f72520561db1fe05f4edb7264e5cc9d7dc04543bb.exe
PID 1612 wrote to memory of 1720	1612	257a301a7923c9aa1d5dd95f72520561db1fe05f4edb7264e5cc9d7dc04543bb.exe	257a301a7923c9aa1d5dd95f72520561db1fe05f4edb7264e5cc9d7dc04543bb.exe
PID 1612 wrote to memory of 1720	1612	257a301a7923c9aa1d5dd95f72520561db1fe05f4edb7264e5cc9d7dc04543bb.exe	257a301a7923c9aa1d5dd95f72520561db1fe05f4edb7264e5cc9d7dc04543bb.exe
PID 1612 wrote to memory of 1720	1612	257a301a7923c9aa1d5dd95f72520561db1fe05f4edb7264e5cc9d7dc04543bb.exe	257a301a7923c9aa1d5dd95f72520561db1fe05f4edb7264e5cc9d7dc04543bb.exe

C:\Users\Admin\AppData\Local\Temp\257a301a7923c9aa1d5dd95f72520561db1fe05f4edb7264e5cc9d7dc04543bb.exe
"C:\Users\Admin\AppData\Local\Temp\257a301a7923c9aa1d5dd95f72520561db1fe05f4edb7264e5cc9d7dc04543bb.exe"
1⤵
- Modifies system executable filetype association
- Loads dropped DLL
- Drops file in Program Files directory
- Drops file in Windows directory
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:1612

C:\Users\Admin\AppData\Local\Temp\3582-490\257a301a7923c9aa1d5dd95f72520561db1fe05f4edb7264e5cc9d7dc04543bb.exe
"C:\Users\Admin\AppData\Local\Temp\3582-490\257a301a7923c9aa1d5dd95f72520561db1fe05f4edb7264e5cc9d7dc04543bb.exe"
2⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
PID:1720

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Change Default File Association

1

T1042

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Credentials in Files

1

T1081

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Data from Local System

1

T1005

Exfiltration

Command and Control

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\3582-490\257a301a7923c9aa1d5dd95f72520561db1fe05f4edb7264e5cc9d7dc04543bb.exe
Filesize
3.8MB

MD5
40b50ee5886556a20c59717f4bc7fda1

SHA1
60772497dbafb9bf5768f2af928ea3584a293773

SHA256
3d1c3ee776ed3e43baad2c880a85f230ad1dc26b4a5ad7a5976b76fb3f3e6740

SHA512
e8dbbd728aa54f7ccdfac2b74b47dd0fad5017e0468febfeafd74cd95337fbec08a8dd4f886d9c106d04502850195cfcb15051256cb6b09194ce232cbfba0e7a

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\257a301a7923c9aa1d5dd95f72520561db1fe05f4edb7264e5cc9d7dc04543bb.exe
Filesize
4.0MB

MD5
e6b0b3b04d516ae0fc6a10e59cf4714f

SHA1
b760283b73f45038fd96c56cbe5d2d5d6fdaf491

SHA256
918321c1664ad8e942d06538047f4ab3e6bc4c7657b5c158177325c76b9afefd

SHA512
42d4ef6cafbfb3ae496cf321d0e1346b191f562787bd39e5e874b27ca01cbf24b57d62e2169fa24033c614d67218b1b5d517323e7e3c8b495a8a404e0df29016

Download Submit
\Users\Admin\AppData\Local\Temp\3582-490\257a301a7923c9aa1d5dd95f72520561db1fe05f4edb7264e5cc9d7dc04543bb.exe
Filesize
3.5MB

MD5
1f4a1ad395cdfe91d53b9fccb9ba886d

SHA1
60f0a7f067d6f9213d895ab85f0310aed0bcfb91

SHA256
25826684df571878499138af04c4cd814a6250c1fee61a2dc2649a9b45de257f

SHA512
3ec611bfde0aeaea689e7ba656fbcb3b92e53562008d5bcb5847476b8ed1506f8396b86f450015a610bac284951e1f8bd267f1e9155ec958c44101dc367b1870

Download Submit
memory/1612-54-0x0000000076531000-0x0000000076533000-memory.dmp

Filesize
8KB

Download
memory/1720-57-0x0000000000000000-mapping.dmp

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Analysis

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MITRE ATT&CK Matrix ATT&CK v6

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