neshta | 90d2dc8efcb366052f00fae3e76d5188402a77a91b720958b9c74c15b9fb33d8

General

Target

90d2dc8efcb366052f00fae3e76d5188402a77a91b720958b9c74c15b9fb33d8.exe
Size

548KB
MD5

ad2365feea83d9c1aa8cf3985862fa36
SHA1

fcb80cedf8b24111c5b5d2650c9b242d3205c871
SHA256

90d2dc8efcb366052f00fae3e76d5188402a77a91b720958b9c74c15b9fb33d8
SHA512

b931f568b4f0280ed7e968b02382cc2708a30faa4954a9ae6c4e0a8c567787290bf1ec3707e471c49813652a0db5542ce014a4e4d2d2e15393276613e6ed946b

Score

10^/10

neshta persistence spyware

Malware Config

Signatures

Modifies system executable filetype association 2 TTPs 1 IoCs

persistence

Modify Registry

T1112

Change Default File Association

T1042

Processes:

90d2dc8efcb366052f00fae3e76d5188402a77a91b720958b9c74c15b9fb33d8.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Windows\\svchost.com \"%1\" %*"	90d2dc8efcb366052f00fae3e76d5188402a77a91b720958b9c74c15b9fb33d8.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:

90d2dc8efcb366052f00fae3e76d5188402a77a91b720958b9c74c15b9fb33d8.exe

pid process

1792 90d2dc8efcb366052f00fae3e76d5188402a77a91b720958b9c74c15b9fb33d8.exe

pid	process
1792	90d2dc8efcb366052f00fae3e76d5188402a77a91b720958b9c74c15b9fb33d8.exe

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

Processes:

90d2dc8efcb366052f00fae3e76d5188402a77a91b720958b9c74c15b9fb33d8.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Control Panel\International\Geo\Nation	90d2dc8efcb366052f00fae3e76d5188402a77a91b720958b9c74c15b9fb33d8.exe

Drops file in Program Files directory 13 IoCs

Processes:

90d2dc8efcb366052f00fae3e76d5188402a77a91b720958b9c74c15b9fb33d8.exe

description	ioc	process
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\Browser\WCCHRO~1\WCCHRO~1.EXE	90d2dc8efcb366052f00fae3e76d5188402a77a91b720958b9c74c15b9fb33d8.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\plug_ins\PI_BRO~1\32BITM~1.EXE	90d2dc8efcb366052f00fae3e76d5188402a77a91b720958b9c74c15b9fb33d8.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\plug_ins\PI_BRO~1\64BITM~1.EXE	90d2dc8efcb366052f00fae3e76d5188402a77a91b720958b9c74c15b9fb33d8.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\ACROBR~1.EXE	90d2dc8efcb366052f00fae3e76d5188402a77a91b720958b9c74c15b9fb33d8.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\AcroCEF\RdrCEF.exe	90d2dc8efcb366052f00fae3e76d5188402a77a91b720958b9c74c15b9fb33d8.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\AcroRd32.exe	90d2dc8efcb366052f00fae3e76d5188402a77a91b720958b9c74c15b9fb33d8.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\ACROTE~1.EXE	90d2dc8efcb366052f00fae3e76d5188402a77a91b720958b9c74c15b9fb33d8.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\arh.exe	90d2dc8efcb366052f00fae3e76d5188402a77a91b720958b9c74c15b9fb33d8.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\ADelRCP.exe	90d2dc8efcb366052f00fae3e76d5188402a77a91b720958b9c74c15b9fb33d8.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\ADOBEC~1.EXE	90d2dc8efcb366052f00fae3e76d5188402a77a91b720958b9c74c15b9fb33d8.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\Eula.exe	90d2dc8efcb366052f00fae3e76d5188402a77a91b720958b9c74c15b9fb33d8.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\FULLTR~1.EXE	90d2dc8efcb366052f00fae3e76d5188402a77a91b720958b9c74c15b9fb33d8.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\LOGTRA~1.EXE	90d2dc8efcb366052f00fae3e76d5188402a77a91b720958b9c74c15b9fb33d8.exe

Drops file in Windows directory 1 IoCs

Processes:

90d2dc8efcb366052f00fae3e76d5188402a77a91b720958b9c74c15b9fb33d8.exe

description ioc process

File opened for modification C:\Windows\svchost.com 90d2dc8efcb366052f00fae3e76d5188402a77a91b720958b9c74c15b9fb33d8.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	90d2dc8efcb366052f00fae3e76d5188402a77a91b720958b9c74c15b9fb33d8.exe

Modifies registry class 1 IoCs

Processes:

90d2dc8efcb366052f00fae3e76d5188402a77a91b720958b9c74c15b9fb33d8.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Windows\\svchost.com \"%1\" %*"	90d2dc8efcb366052f00fae3e76d5188402a77a91b720958b9c74c15b9fb33d8.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

90d2dc8efcb366052f00fae3e76d5188402a77a91b720958b9c74c15b9fb33d8.exe

description	pid	process	target process
PID 4628 wrote to memory of 1792	4628	90d2dc8efcb366052f00fae3e76d5188402a77a91b720958b9c74c15b9fb33d8.exe	90d2dc8efcb366052f00fae3e76d5188402a77a91b720958b9c74c15b9fb33d8.exe
PID 4628 wrote to memory of 1792	4628	90d2dc8efcb366052f00fae3e76d5188402a77a91b720958b9c74c15b9fb33d8.exe	90d2dc8efcb366052f00fae3e76d5188402a77a91b720958b9c74c15b9fb33d8.exe
PID 4628 wrote to memory of 1792	4628	90d2dc8efcb366052f00fae3e76d5188402a77a91b720958b9c74c15b9fb33d8.exe	90d2dc8efcb366052f00fae3e76d5188402a77a91b720958b9c74c15b9fb33d8.exe

C:\Users\Admin\AppData\Local\Temp\90d2dc8efcb366052f00fae3e76d5188402a77a91b720958b9c74c15b9fb33d8.exe
"C:\Users\Admin\AppData\Local\Temp\90d2dc8efcb366052f00fae3e76d5188402a77a91b720958b9c74c15b9fb33d8.exe"
1⤵
- Modifies system executable filetype association
- Checks computer location settings
- Drops file in Program Files directory
- Drops file in Windows directory
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:4628

C:\Users\Admin\AppData\Local\Temp\3582-490\90d2dc8efcb366052f00fae3e76d5188402a77a91b720958b9c74c15b9fb33d8.exe
"C:\Users\Admin\AppData\Local\Temp\3582-490\90d2dc8efcb366052f00fae3e76d5188402a77a91b720958b9c74c15b9fb33d8.exe"
2⤵
- Executes dropped EXE
PID:1792

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

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\3582-490\90d2dc8efcb366052f00fae3e76d5188402a77a91b720958b9c74c15b9fb33d8.exe
Filesize
507KB

MD5
932edd3df442ad62af3ca8c8ed0b44d9

SHA1
b1fee0fd1daaa6c00873b02a9b048f2b31ac8011

SHA256
33043d752e3f68aef12dfab8ae7770132be91b8c2a86335cff5ba05670225e06

SHA512
d14dd25afe40be0416e244c6c25f050f5a7f1defd645b6623369ca40a4bd904aea819f328be1bcdb3d2d943cc7fdcfee64c9e24ce53ab0c4633ba787ab0ad5ca

Download Submit
C:\Users\Admin\AppData\Local\Temp\3582-490\90d2dc8efcb366052f00fae3e76d5188402a77a91b720958b9c74c15b9fb33d8.exe
Filesize
507KB

MD5
932edd3df442ad62af3ca8c8ed0b44d9

SHA1
b1fee0fd1daaa6c00873b02a9b048f2b31ac8011

SHA256
33043d752e3f68aef12dfab8ae7770132be91b8c2a86335cff5ba05670225e06

SHA512
d14dd25afe40be0416e244c6c25f050f5a7f1defd645b6623369ca40a4bd904aea819f328be1bcdb3d2d943cc7fdcfee64c9e24ce53ab0c4633ba787ab0ad5ca

Download Submit
memory/1792-130-0x0000000000000000-mapping.dmp

Download
memory/1792-133-0x00000000001F0000-0x0000000000276000-memory.dmp

Filesize
536KB

Download
memory/1792-134-0x0000000007240000-0x00000000072DC000-memory.dmp

Filesize
624KB

Download
memory/1792-135-0x0000000007890000-0x0000000007E34000-memory.dmp

Filesize
5.6MB

Download
memory/1792-136-0x00000000072E0000-0x0000000007372000-memory.dmp

Filesize
584KB

Download
memory/1792-137-0x00000000071B0000-0x00000000071BA000-memory.dmp

Filesize
40KB

Download
memory/1792-138-0x0000000007470000-0x00000000074C6000-memory.dmp

Filesize
344KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads