neshta | b5a814bdf92d16fb33bafdee1454fddff2274b29c0eb6ac9172c0cf4c8a62eff

General

Target

b5a814bdf92d16fb33bafdee1454fddff2274b29c0eb6ac9172c0cf4c8a62eff.exe
Size

114KB
MD5

5011fac127044036903895169b99e568
SHA1

cea350e36d010c19e6d07676f4b7886af4f60c59
SHA256

b5a814bdf92d16fb33bafdee1454fddff2274b29c0eb6ac9172c0cf4c8a62eff
SHA512

09386cfc8efe3ad862c5a70fc93c2f53bf86522ac39a9138d211feb494b68f8fdac8b7cf6deff9541c74e4d40a3170fe8da726a20fdc03f96c854cf3d04c34a0
SSDEEP

1536:JxqjQ+P04wsmJCgfvm1XkSC6EM7644o0DTZYQOCgBcjr6lfDCJXHQ:sr85Cgfe1XlJ0DTZWpBcjOUtQ

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:

b5a814bdf92d16fb33bafdee1454fddff2274b29c0eb6ac9172c0cf4c8a62eff.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Windows\\svchost.com \"%1\" %*"	b5a814bdf92d16fb33bafdee1454fddff2274b29c0eb6ac9172c0cf4c8a62eff.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:

b5a814bdf92d16fb33bafdee1454fddff2274b29c0eb6ac9172c0cf4c8a62eff.exe

pid process

1420 b5a814bdf92d16fb33bafdee1454fddff2274b29c0eb6ac9172c0cf4c8a62eff.exe

pid	process
1420	b5a814bdf92d16fb33bafdee1454fddff2274b29c0eb6ac9172c0cf4c8a62eff.exe

Loads dropped DLL 3 IoCs

Processes:

b5a814bdf92d16fb33bafdee1454fddff2274b29c0eb6ac9172c0cf4c8a62eff.exe

pid	process
1952	b5a814bdf92d16fb33bafdee1454fddff2274b29c0eb6ac9172c0cf4c8a62eff.exe
1952	b5a814bdf92d16fb33bafdee1454fddff2274b29c0eb6ac9172c0cf4c8a62eff.exe
1952	b5a814bdf92d16fb33bafdee1454fddff2274b29c0eb6ac9172c0cf4c8a62eff.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:

b5a814bdf92d16fb33bafdee1454fddff2274b29c0eb6ac9172c0cf4c8a62eff.exe

description	ioc	process
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\ADOBEC~1.EXE	b5a814bdf92d16fb33bafdee1454fddff2274b29c0eb6ac9172c0cf4c8a62eff.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\Eula.exe	b5a814bdf92d16fb33bafdee1454fddff2274b29c0eb6ac9172c0cf4c8a62eff.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\MSInfo\msinfo32.exe	b5a814bdf92d16fb33bafdee1454fddff2274b29c0eb6ac9172c0cf4c8a62eff.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\OFFICE~1\ODeploy.exe	b5a814bdf92d16fb33bafdee1454fddff2274b29c0eb6ac9172c0cf4c8a62eff.exe
File opened for modification	C:\PROGRA~2\WINDOW~2\ACCESS~1\wordpad.exe	b5a814bdf92d16fb33bafdee1454fddff2274b29c0eb6ac9172c0cf4c8a62eff.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\ink\mip.exe	b5a814bdf92d16fb33bafdee1454fddff2274b29c0eb6ac9172c0cf4c8a62eff.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\FLTLDR.EXE	b5a814bdf92d16fb33bafdee1454fddff2274b29c0eb6ac9172c0cf4c8a62eff.exe
File opened for modification	C:\PROGRA~2\WINDOW~1\wab.exe	b5a814bdf92d16fb33bafdee1454fddff2274b29c0eb6ac9172c0cf4c8a62eff.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\WMPDMC.exe	b5a814bdf92d16fb33bafdee1454fddff2274b29c0eb6ac9172c0cf4c8a62eff.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{4D8DC~1\VC_RED~1.EXE	b5a814bdf92d16fb33bafdee1454fddff2274b29c0eb6ac9172c0cf4c8a62eff.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\VSTO\10.0\VSTOIN~1.EXE	b5a814bdf92d16fb33bafdee1454fddff2274b29c0eb6ac9172c0cf4c8a62eff.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.71\GOBD5D~1.EXE	b5a814bdf92d16fb33bafdee1454fddff2274b29c0eb6ac9172c0cf4c8a62eff.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\IECONT~1.EXE	b5a814bdf92d16fb33bafdee1454fddff2274b29c0eb6ac9172c0cf4c8a62eff.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSOSYNC.EXE	b5a814bdf92d16fb33bafdee1454fddff2274b29c0eb6ac9172c0cf4c8a62eff.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSQRY32.EXE	b5a814bdf92d16fb33bafdee1454fddff2274b29c0eb6ac9172c0cf4c8a62eff.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\WINWORD.EXE	b5a814bdf92d16fb33bafdee1454fddff2274b29c0eb6ac9172c0cf4c8a62eff.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{33D1F~1\VCREDI~1.EXE	b5a814bdf92d16fb33bafdee1454fddff2274b29c0eb6ac9172c0cf4c8a62eff.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmpshare.exe	b5a814bdf92d16fb33bafdee1454fddff2274b29c0eb6ac9172c0cf4c8a62eff.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.71\GOOGLE~1.EXE	b5a814bdf92d16fb33bafdee1454fddff2274b29c0eb6ac9172c0cf4c8a62eff.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.71\GOF5E2~1.EXE	b5a814bdf92d16fb33bafdee1454fddff2274b29c0eb6ac9172c0cf4c8a62eff.exe
File opened for modification	C:\PROGRA~2\INTERN~1\iexplore.exe	b5a814bdf92d16fb33bafdee1454fddff2274b29c0eb6ac9172c0cf4c8a62eff.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\1033\ONELEV.EXE	b5a814bdf92d16fb33bafdee1454fddff2274b29c0eb6ac9172c0cf4c8a62eff.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\ACCICONS.EXE	b5a814bdf92d16fb33bafdee1454fddff2274b29c0eb6ac9172c0cf4c8a62eff.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\INFOPATH.EXE	b5a814bdf92d16fb33bafdee1454fddff2274b29c0eb6ac9172c0cf4c8a62eff.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmprph.exe	b5a814bdf92d16fb33bafdee1454fddff2274b29c0eb6ac9172c0cf4c8a62eff.exe
File opened for modification	C:\PROGRA~2\COMMON~1\Adobe\Updater6\ADOBEU~1.EXE	b5a814bdf92d16fb33bafdee1454fddff2274b29c0eb6ac9172c0cf4c8a62eff.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\DW\DWTRIG20.EXE	b5a814bdf92d16fb33bafdee1454fddff2274b29c0eb6ac9172c0cf4c8a62eff.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\EQUATION\EQNEDT32.EXE	b5a814bdf92d16fb33bafdee1454fddff2274b29c0eb6ac9172c0cf4c8a62eff.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\POWERPNT.EXE	b5a814bdf92d16fb33bafdee1454fddff2274b29c0eb6ac9172c0cf4c8a62eff.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\WORDICON.EXE	b5a814bdf92d16fb33bafdee1454fddff2274b29c0eb6ac9172c0cf4c8a62eff.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\XLICONS.EXE	b5a814bdf92d16fb33bafdee1454fddff2274b29c0eb6ac9172c0cf4c8a62eff.exe
File opened for modification	C:\PROGRA~2\MOZILL~1\UNINST~1.EXE	b5a814bdf92d16fb33bafdee1454fddff2274b29c0eb6ac9172c0cf4c8a62eff.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmlaunch.exe	b5a814bdf92d16fb33bafdee1454fddff2274b29c0eb6ac9172c0cf4c8a62eff.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\A3DUTI~1.EXE	b5a814bdf92d16fb33bafdee1454fddff2274b29c0eb6ac9172c0cf4c8a62eff.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\DW\DW20.EXE	b5a814bdf92d16fb33bafdee1454fddff2274b29c0eb6ac9172c0cf4c8a62eff.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\LICLUA.EXE	b5a814bdf92d16fb33bafdee1454fddff2274b29c0eb6ac9172c0cf4c8a62eff.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\GRAPH.EXE	b5a814bdf92d16fb33bafdee1454fddff2274b29c0eb6ac9172c0cf4c8a62eff.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSOHTMED.EXE	b5a814bdf92d16fb33bafdee1454fddff2274b29c0eb6ac9172c0cf4c8a62eff.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSTORE.EXE	b5a814bdf92d16fb33bafdee1454fddff2274b29c0eb6ac9172c0cf4c8a62eff.exe
File opened for modification	C:\PROGRA~2\MOZILL~1\MAINTE~1.EXE	b5a814bdf92d16fb33bafdee1454fddff2274b29c0eb6ac9172c0cf4c8a62eff.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmplayer.exe	b5a814bdf92d16fb33bafdee1454fddff2274b29c0eb6ac9172c0cf4c8a62eff.exe
File opened for modification	C:\PROGRA~2\WI4223~1\sidebar.exe	b5a814bdf92d16fb33bafdee1454fddff2274b29c0eb6ac9172c0cf4c8a62eff.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{61087~1\VCREDI~1.EXE	b5a814bdf92d16fb33bafdee1454fddff2274b29c0eb6ac9172c0cf4c8a62eff.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\NAMECO~1.EXE	b5a814bdf92d16fb33bafdee1454fddff2274b29c0eb6ac9172c0cf4c8a62eff.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{57A73~1\VC_RED~1.EXE	b5a814bdf92d16fb33bafdee1454fddff2274b29c0eb6ac9172c0cf4c8a62eff.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\SETUPF~1\{AC76B~1\Setup.exe	b5a814bdf92d16fb33bafdee1454fddff2274b29c0eb6ac9172c0cf4c8a62eff.exe
File opened for modification	C:\PROGRA~2\Google\Update\DISABL~1.EXE	b5a814bdf92d16fb33bafdee1454fddff2274b29c0eb6ac9172c0cf4c8a62eff.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\BCSSync.exe	b5a814bdf92d16fb33bafdee1454fddff2274b29c0eb6ac9172c0cf4c8a62eff.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\misc.exe	b5a814bdf92d16fb33bafdee1454fddff2274b29c0eb6ac9172c0cf4c8a62eff.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\VPREVIEW.EXE	b5a814bdf92d16fb33bafdee1454fddff2274b29c0eb6ac9172c0cf4c8a62eff.exe
File opened for modification	C:\PROGRA~2\WINDOW~1\wabmig.exe	b5a814bdf92d16fb33bafdee1454fddff2274b29c0eb6ac9172c0cf4c8a62eff.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{EF6B0~1\VCREDI~1.EXE	b5a814bdf92d16fb33bafdee1454fddff2274b29c0eb6ac9172c0cf4c8a62eff.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Resource\Icons\SC_REA~1.EXE	b5a814bdf92d16fb33bafdee1454fddff2274b29c0eb6ac9172c0cf4c8a62eff.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.71\GOOGLE~3.EXE	b5a814bdf92d16fb33bafdee1454fddff2274b29c0eb6ac9172c0cf4c8a62eff.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\OIS.EXE	b5a814bdf92d16fb33bafdee1454fddff2274b29c0eb6ac9172c0cf4c8a62eff.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\SELFCERT.EXE	b5a814bdf92d16fb33bafdee1454fddff2274b29c0eb6ac9172c0cf4c8a62eff.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmpconfig.exe	b5a814bdf92d16fb33bafdee1454fddff2274b29c0eb6ac9172c0cf4c8a62eff.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\AcroRd32.exe	b5a814bdf92d16fb33bafdee1454fddff2274b29c0eb6ac9172c0cf4c8a62eff.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\CLVIEW.EXE	b5a814bdf92d16fb33bafdee1454fddff2274b29c0eb6ac9172c0cf4c8a62eff.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\ONENOTE.EXE	b5a814bdf92d16fb33bafdee1454fddff2274b29c0eb6ac9172c0cf4c8a62eff.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{CA675~1\VCREDI~1.EXE	b5a814bdf92d16fb33bafdee1454fddff2274b29c0eb6ac9172c0cf4c8a62eff.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\MSOXMLED.EXE	b5a814bdf92d16fb33bafdee1454fddff2274b29c0eb6ac9172c0cf4c8a62eff.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\TextConv\WksConv\Wkconv.exe	b5a814bdf92d16fb33bafdee1454fddff2274b29c0eb6ac9172c0cf4c8a62eff.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\CNFNOT32.EXE	b5a814bdf92d16fb33bafdee1454fddff2274b29c0eb6ac9172c0cf4c8a62eff.exe

Drops file in Windows directory 1 IoCs

Processes:

b5a814bdf92d16fb33bafdee1454fddff2274b29c0eb6ac9172c0cf4c8a62eff.exe

description ioc process

File opened for modification C:\Windows\svchost.com b5a814bdf92d16fb33bafdee1454fddff2274b29c0eb6ac9172c0cf4c8a62eff.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	b5a814bdf92d16fb33bafdee1454fddff2274b29c0eb6ac9172c0cf4c8a62eff.exe

Modifies registry class 1 IoCs

Processes:

b5a814bdf92d16fb33bafdee1454fddff2274b29c0eb6ac9172c0cf4c8a62eff.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Windows\\svchost.com \"%1\" %*"	b5a814bdf92d16fb33bafdee1454fddff2274b29c0eb6ac9172c0cf4c8a62eff.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

b5a814bdf92d16fb33bafdee1454fddff2274b29c0eb6ac9172c0cf4c8a62eff.exe

description	pid	process	target process
PID 1952 wrote to memory of 1420	1952	b5a814bdf92d16fb33bafdee1454fddff2274b29c0eb6ac9172c0cf4c8a62eff.exe	b5a814bdf92d16fb33bafdee1454fddff2274b29c0eb6ac9172c0cf4c8a62eff.exe
PID 1952 wrote to memory of 1420	1952	b5a814bdf92d16fb33bafdee1454fddff2274b29c0eb6ac9172c0cf4c8a62eff.exe	b5a814bdf92d16fb33bafdee1454fddff2274b29c0eb6ac9172c0cf4c8a62eff.exe
PID 1952 wrote to memory of 1420	1952	b5a814bdf92d16fb33bafdee1454fddff2274b29c0eb6ac9172c0cf4c8a62eff.exe	b5a814bdf92d16fb33bafdee1454fddff2274b29c0eb6ac9172c0cf4c8a62eff.exe
PID 1952 wrote to memory of 1420	1952	b5a814bdf92d16fb33bafdee1454fddff2274b29c0eb6ac9172c0cf4c8a62eff.exe	b5a814bdf92d16fb33bafdee1454fddff2274b29c0eb6ac9172c0cf4c8a62eff.exe

C:\Users\Admin\AppData\Local\Temp\b5a814bdf92d16fb33bafdee1454fddff2274b29c0eb6ac9172c0cf4c8a62eff.exe
"C:\Users\Admin\AppData\Local\Temp\b5a814bdf92d16fb33bafdee1454fddff2274b29c0eb6ac9172c0cf4c8a62eff.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:1952

C:\Users\Admin\AppData\Local\Temp\3582-490\b5a814bdf92d16fb33bafdee1454fddff2274b29c0eb6ac9172c0cf4c8a62eff.exe
"C:\Users\Admin\AppData\Local\Temp\3582-490\b5a814bdf92d16fb33bafdee1454fddff2274b29c0eb6ac9172c0cf4c8a62eff.exe"
2⤵
- Executes dropped EXE
PID:1420

Network

MITRE ATT&CK Enterprise 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

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\3582-490\b5a814bdf92d16fb33bafdee1454fddff2274b29c0eb6ac9172c0cf4c8a62eff.exe

Filesize
73KB

MD5
5c6d60c5b4ae9589c0bf866a14f1b867

SHA1
f6dd9ec21b43c3426960b0fa388f3f68f86e3b2f

SHA256
421f5b8bb1ec7e8c487a4dc61d15873f2a9077978dafeb6cc6bfdd55775f80de

SHA512
6b70c95a52ebc948fc54a6ee79d5c0cbb0751bd988ee77cca1b8896f429fe8290c2221e00b5ea9d596338237d2dba292716821c37f179453b5e2757aabdddf9e

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\b5a814bdf92d16fb33bafdee1454fddff2274b29c0eb6ac9172c0cf4c8a62eff.exe

Filesize
73KB

MD5
5c6d60c5b4ae9589c0bf866a14f1b867

SHA1
f6dd9ec21b43c3426960b0fa388f3f68f86e3b2f

SHA256
421f5b8bb1ec7e8c487a4dc61d15873f2a9077978dafeb6cc6bfdd55775f80de

SHA512
6b70c95a52ebc948fc54a6ee79d5c0cbb0751bd988ee77cca1b8896f429fe8290c2221e00b5ea9d596338237d2dba292716821c37f179453b5e2757aabdddf9e

Download Submit
\Users\Admin\AppData\Local\Temp\3582-490\b5a814bdf92d16fb33bafdee1454fddff2274b29c0eb6ac9172c0cf4c8a62eff.exe

Filesize
73KB

MD5
5c6d60c5b4ae9589c0bf866a14f1b867

SHA1
f6dd9ec21b43c3426960b0fa388f3f68f86e3b2f

SHA256
421f5b8bb1ec7e8c487a4dc61d15873f2a9077978dafeb6cc6bfdd55775f80de

SHA512
6b70c95a52ebc948fc54a6ee79d5c0cbb0751bd988ee77cca1b8896f429fe8290c2221e00b5ea9d596338237d2dba292716821c37f179453b5e2757aabdddf9e

Download Submit
memory/1420-57-0x0000000000000000-mapping.dmp

Download
memory/1952-54-0x00000000762F1000-0x00000000762F3000-memory.dmp

Filesize
8KB

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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