neshta | 113a256d2409890e7c51b6f6e95bd6dfd2d369889edeeb2f7bcb17ec9670b6fb

General

Target

4f2dbb2a915ed03feac4344429a409c9aa718d915af3df5baa52a868ac0d406e.exe
Size

1.1MB
MD5

eeaeea92d2dbaad938e486a973061eef
SHA1

4917d410767daa62aa7fd5c9f39a3b0c7795628e
SHA256

4f2dbb2a915ed03feac4344429a409c9aa718d915af3df5baa52a868ac0d406e
SHA512

700fb84200eecdea136611fb9fee8e2fcfd0ec17219752f6b48448c75572dfa1c969aea8afbd8a3c501aabf11a1c9758c3cc8b7c91435065d3e56b2b00276b74
SSDEEP

24576:ERBrzwX0YmJI8DRnCD4jtnT8Q1r0ly78ipwR7H:eJzdnm4lT8Q1r0pieR7H

Score

10^/10

neshta xmrig miner persistence spyware stealer upx

Malware Config

Signatures

Modifies system executable filetype association 2 TTPs 1 IoCs

persistence

Modify Registry

T1112

Change Default File Association

T1042

Processes:

4f2dbb2a915ed03feac4344429a409c9aa718d915af3df5baa52a868ac0d406e.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Windows\\svchost.com \"%1\" %*"	4f2dbb2a915ed03feac4344429a409c9aa718d915af3df5baa52a868ac0d406e.exe

Neshta
Malware from the neshta family is designed to infect itself into other files to spread itself and cause damage.
persistence spyware neshta
xmrig
XMRig is a high performance, open source, cross platform CPU/GPU miner.
miner xmrig

XMRig Miner payload 1 IoCs

miner

Processes:

resource	yara_rule
behavioral2/memory/1120-136-0x0000000000400000-0x0000000000871000-memory.dmp	xmrig

Executes dropped EXE 1 IoCs

Processes:

4f2dbb2a915ed03feac4344429a409c9aa718d915af3df5baa52a868ac0d406e.exe

pid process

1120 4f2dbb2a915ed03feac4344429a409c9aa718d915af3df5baa52a868ac0d406e.exe

pid	process
1120	4f2dbb2a915ed03feac4344429a409c9aa718d915af3df5baa52a868ac0d406e.exe

UPX packed file 4 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

Processes:

resource	yara_rule
C:\Users\Admin\AppData\Local\Temp\3582-490\4f2dbb2a915ed03feac4344429a409c9aa718d915af3df5baa52a868ac0d406e.exe	upx
C:\Users\Admin\AppData\Local\Temp\3582-490\4f2dbb2a915ed03feac4344429a409c9aa718d915af3df5baa52a868ac0d406e.exe	upx
behavioral2/memory/1120-135-0x0000000000400000-0x0000000000871000-memory.dmp	upx
behavioral2/memory/1120-136-0x0000000000400000-0x0000000000871000-memory.dmp	upx

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:

4f2dbb2a915ed03feac4344429a409c9aa718d915af3df5baa52a868ac0d406e.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Control Panel\International\Geo\Nation	4f2dbb2a915ed03feac4344429a409c9aa718d915af3df5baa52a868ac0d406e.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:

4f2dbb2a915ed03feac4344429a409c9aa718d915af3df5baa52a868ac0d406e.exe

description	ioc	process
File opened for modification	C:\PROGRA~2\MICROS~1\EdgeCore\104012~1.47\COOKIE~1.EXE	4f2dbb2a915ed03feac4344429a409c9aa718d915af3df5baa52a868ac0d406e.exe
File opened for modification	C:\PROGRA~2\MICROS~1\EdgeCore\104012~1.47\MSEDGE~3.EXE	4f2dbb2a915ed03feac4344429a409c9aa718d915af3df5baa52a868ac0d406e.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\arh.exe	4f2dbb2a915ed03feac4344429a409c9aa718d915af3df5baa52a868ac0d406e.exe
File opened for modification	C:\PROGRA~2\INTERN~1\ExtExport.exe	4f2dbb2a915ed03feac4344429a409c9aa718d915af3df5baa52a868ac0d406e.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\ELEVAT~1.EXE	4f2dbb2a915ed03feac4344429a409c9aa718d915af3df5baa52a868ac0d406e.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\VSTO\10.0\VSTOIN~1.EXE	4f2dbb2a915ed03feac4344429a409c9aa718d915af3df5baa52a868ac0d406e.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{57A73~1\VC_RED~1.EXE	4f2dbb2a915ed03feac4344429a409c9aa718d915af3df5baa52a868ac0d406e.exe
File opened for modification	C:\PROGRA~2\COMMON~1\Java\JAVAUP~1\jucheck.exe	4f2dbb2a915ed03feac4344429a409c9aa718d915af3df5baa52a868ac0d406e.exe
File opened for modification	C:\PROGRA~2\MICROS~1\EdgeCore\104012~1.47\INSTAL~1\setup.exe	4f2dbb2a915ed03feac4344429a409c9aa718d915af3df5baa52a868ac0d406e.exe
File opened for modification	C:\PROGRA~2\MICROS~1\EdgeCore\104012~1.47\msedge.exe	4f2dbb2a915ed03feac4344429a409c9aa718d915af3df5baa52a868ac0d406e.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.71\GOF5E2~1.EXE	4f2dbb2a915ed03feac4344429a409c9aa718d915af3df5baa52a868ac0d406e.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\NOTIFI~1.EXE	4f2dbb2a915ed03feac4344429a409c9aa718d915af3df5baa52a868ac0d406e.exe
File opened for modification	C:\PROGRA~2\MICROS~1\EdgeCore\104012~1.47\PWAHEL~1.EXE	4f2dbb2a915ed03feac4344429a409c9aa718d915af3df5baa52a868ac0d406e.exe
File opened for modification	C:\PROGRA~2\MICROS~1\EDGEUP~1\13165~1.21\MIA062~1.EXE	4f2dbb2a915ed03feac4344429a409c9aa718d915af3df5baa52a868ac0d406e.exe
File opened for modification	C:\PROGRA~2\MOZILL~1\UNINST~1.EXE	4f2dbb2a915ed03feac4344429a409c9aa718d915af3df5baa52a868ac0d406e.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\Eula.exe	4f2dbb2a915ed03feac4344429a409c9aa718d915af3df5baa52a868ac0d406e.exe
File opened for modification	C:\PROGRA~2\COMMON~1\Adobe\ARM\1.0\ADOBEA~1.EXE	4f2dbb2a915ed03feac4344429a409c9aa718d915af3df5baa52a868ac0d406e.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.71\GO664E~1.EXE	4f2dbb2a915ed03feac4344429a409c9aa718d915af3df5baa52a868ac0d406e.exe
File opened for modification	C:\PROGRA~2\WINDOW~4\setup_wm.exe	4f2dbb2a915ed03feac4344429a409c9aa718d915af3df5baa52a868ac0d406e.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{4D8DC~1\VC_RED~1.EXE	4f2dbb2a915ed03feac4344429a409c9aa718d915af3df5baa52a868ac0d406e.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\MSEDGE~2.EXE	4f2dbb2a915ed03feac4344429a409c9aa718d915af3df5baa52a868ac0d406e.exe
File opened for modification	C:\PROGRA~2\WI8A19~1\ImagingDevices.exe	4f2dbb2a915ed03feac4344429a409c9aa718d915af3df5baa52a868ac0d406e.exe
File opened for modification	C:\PROGRA~3\Adobe\Setup\{AC76B~1\setup.exe	4f2dbb2a915ed03feac4344429a409c9aa718d915af3df5baa52a868ac0d406e.exe
File opened for modification	C:\PROGRA~2\INTERN~1\ieinstal.exe	4f2dbb2a915ed03feac4344429a409c9aa718d915af3df5baa52a868ac0d406e.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\COOKIE~1.EXE	4f2dbb2a915ed03feac4344429a409c9aa718d915af3df5baa52a868ac0d406e.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\MSEDGE~1.EXE	4f2dbb2a915ed03feac4344429a409c9aa718d915af3df5baa52a868ac0d406e.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\MSEDGE~1.EXE	4f2dbb2a915ed03feac4344429a409c9aa718d915af3df5baa52a868ac0d406e.exe
File opened for modification	C:\PROGRA~2\MICROS~1\EdgeCore\104012~1.47\IDENTI~1.EXE	4f2dbb2a915ed03feac4344429a409c9aa718d915af3df5baa52a868ac0d406e.exe
File opened for modification	C:\PROGRA~2\MICROS~1\EDGEUP~1\13165~1.21\MICROS~3.EXE	4f2dbb2a915ed03feac4344429a409c9aa718d915af3df5baa52a868ac0d406e.exe
File opened for modification	C:\PROGRA~2\MICROS~1\EDGEUP~1\13165~1.21\MICROS~2.EXE	4f2dbb2a915ed03feac4344429a409c9aa718d915af3df5baa52a868ac0d406e.exe
File opened for modification	C:\PROGRA~2\WINDOW~2\wabmig.exe	4f2dbb2a915ed03feac4344429a409c9aa718d915af3df5baa52a868ac0d406e.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.71\GOOGLE~1.EXE	4f2dbb2a915ed03feac4344429a409c9aa718d915af3df5baa52a868ac0d406e.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.71\GOBD5D~1.EXE	4f2dbb2a915ed03feac4344429a409c9aa718d915af3df5baa52a868ac0d406e.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\PWAHEL~1.EXE	4f2dbb2a915ed03feac4344429a409c9aa718d915af3df5baa52a868ac0d406e.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{33D1F~1\VCREDI~1.EXE	4f2dbb2a915ed03feac4344429a409c9aa718d915af3df5baa52a868ac0d406e.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\PWAHEL~1.EXE	4f2dbb2a915ed03feac4344429a409c9aa718d915af3df5baa52a868ac0d406e.exe
File opened for modification	C:\PROGRA~2\WINDOW~4\wmplayer.exe	4f2dbb2a915ed03feac4344429a409c9aa718d915af3df5baa52a868ac0d406e.exe
File opened for modification	C:\PROGRA~2\WINDOW~4\wmprph.exe	4f2dbb2a915ed03feac4344429a409c9aa718d915af3df5baa52a868ac0d406e.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{EF6B0~1\VCREDI~1.EXE	4f2dbb2a915ed03feac4344429a409c9aa718d915af3df5baa52a868ac0d406e.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\AcroRd32.exe	4f2dbb2a915ed03feac4344429a409c9aa718d915af3df5baa52a868ac0d406e.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\ADOBEC~1.EXE	4f2dbb2a915ed03feac4344429a409c9aa718d915af3df5baa52a868ac0d406e.exe
File opened for modification	C:\PROGRA~2\COMMON~1\Adobe\ARM\1.0\AdobeARM.exe	4f2dbb2a915ed03feac4344429a409c9aa718d915af3df5baa52a868ac0d406e.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\INSTAL~1\setup.exe	4f2dbb2a915ed03feac4344429a409c9aa718d915af3df5baa52a868ac0d406e.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\msedge.exe	4f2dbb2a915ed03feac4344429a409c9aa718d915af3df5baa52a868ac0d406e.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\ACROBR~1.EXE	4f2dbb2a915ed03feac4344429a409c9aa718d915af3df5baa52a868ac0d406e.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\ACROTE~1.EXE	4f2dbb2a915ed03feac4344429a409c9aa718d915af3df5baa52a868ac0d406e.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\ADelRCP.exe	4f2dbb2a915ed03feac4344429a409c9aa718d915af3df5baa52a868ac0d406e.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{61087~1\VCREDI~1.EXE	4f2dbb2a915ed03feac4344429a409c9aa718d915af3df5baa52a868ac0d406e.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\msedge.exe	4f2dbb2a915ed03feac4344429a409c9aa718d915af3df5baa52a868ac0d406e.exe
File opened for modification	C:\PROGRA~2\MICROS~1\EDGEUP~1\MicrosoftEdgeUpdate.exe	4f2dbb2a915ed03feac4344429a409c9aa718d915af3df5baa52a868ac0d406e.exe
File opened for modification	C:\PROGRA~2\WINDOW~4\wmpconfig.exe	4f2dbb2a915ed03feac4344429a409c9aa718d915af3df5baa52a868ac0d406e.exe
File opened for modification	C:\PROGRA~2\MICROS~1\EDGEUP~1\13165~1.21\MICROS~4.EXE	4f2dbb2a915ed03feac4344429a409c9aa718d915af3df5baa52a868ac0d406e.exe
File opened for modification	C:\PROGRA~2\MICROS~1\EDGEUP~1\13165~1.21\MI9C33~1.EXE	4f2dbb2a915ed03feac4344429a409c9aa718d915af3df5baa52a868ac0d406e.exe
File opened for modification	C:\PROGRA~2\WINDOW~4\wmpshare.exe	4f2dbb2a915ed03feac4344429a409c9aa718d915af3df5baa52a868ac0d406e.exe
File opened for modification	C:\PROGRA~3\MICROS~1\CLICKT~1\{9AC08~1\INTEGR~1.EXE	4f2dbb2a915ed03feac4344429a409c9aa718d915af3df5baa52a868ac0d406e.exe
File opened for modification	C:\PROGRA~2\COMMON~1\Java\JAVAUP~1\jaureg.exe	4f2dbb2a915ed03feac4344429a409c9aa718d915af3df5baa52a868ac0d406e.exe
File opened for modification	C:\PROGRA~2\COMMON~1\Java\JAVAUP~1\jusched.exe	4f2dbb2a915ed03feac4344429a409c9aa718d915af3df5baa52a868ac0d406e.exe
File opened for modification	C:\PROGRA~2\Google\Update\DISABL~1.EXE	4f2dbb2a915ed03feac4344429a409c9aa718d915af3df5baa52a868ac0d406e.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\plug_ins\PI_BRO~1\64BITM~1.EXE	4f2dbb2a915ed03feac4344429a409c9aa718d915af3df5baa52a868ac0d406e.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\MSEDGE~3.EXE	4f2dbb2a915ed03feac4344429a409c9aa718d915af3df5baa52a868ac0d406e.exe
File opened for modification	C:\PROGRA~2\MICROS~1\EdgeCore\104012~1.47\MSEDGE~1.EXE	4f2dbb2a915ed03feac4344429a409c9aa718d915af3df5baa52a868ac0d406e.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\Browser\WCCHRO~1\WCCHRO~1.EXE	4f2dbb2a915ed03feac4344429a409c9aa718d915af3df5baa52a868ac0d406e.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\LOGTRA~1.EXE	4f2dbb2a915ed03feac4344429a409c9aa718d915af3df5baa52a868ac0d406e.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\plug_ins\PI_BRO~1\32BITM~1.EXE	4f2dbb2a915ed03feac4344429a409c9aa718d915af3df5baa52a868ac0d406e.exe

Drops file in Windows directory 1 IoCs

Processes:

4f2dbb2a915ed03feac4344429a409c9aa718d915af3df5baa52a868ac0d406e.exe

description ioc process

File opened for modification C:\Windows\svchost.com 4f2dbb2a915ed03feac4344429a409c9aa718d915af3df5baa52a868ac0d406e.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	4f2dbb2a915ed03feac4344429a409c9aa718d915af3df5baa52a868ac0d406e.exe

Modifies registry class 1 IoCs

Processes:

4f2dbb2a915ed03feac4344429a409c9aa718d915af3df5baa52a868ac0d406e.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Windows\\svchost.com \"%1\" %*"	4f2dbb2a915ed03feac4344429a409c9aa718d915af3df5baa52a868ac0d406e.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

4f2dbb2a915ed03feac4344429a409c9aa718d915af3df5baa52a868ac0d406e.exe

description	pid	process	target process
PID 3204 wrote to memory of 1120	3204	4f2dbb2a915ed03feac4344429a409c9aa718d915af3df5baa52a868ac0d406e.exe	4f2dbb2a915ed03feac4344429a409c9aa718d915af3df5baa52a868ac0d406e.exe
PID 3204 wrote to memory of 1120	3204	4f2dbb2a915ed03feac4344429a409c9aa718d915af3df5baa52a868ac0d406e.exe	4f2dbb2a915ed03feac4344429a409c9aa718d915af3df5baa52a868ac0d406e.exe
PID 3204 wrote to memory of 1120	3204	4f2dbb2a915ed03feac4344429a409c9aa718d915af3df5baa52a868ac0d406e.exe	4f2dbb2a915ed03feac4344429a409c9aa718d915af3df5baa52a868ac0d406e.exe

C:\Users\Admin\AppData\Local\Temp\4f2dbb2a915ed03feac4344429a409c9aa718d915af3df5baa52a868ac0d406e.exe
"C:\Users\Admin\AppData\Local\Temp\4f2dbb2a915ed03feac4344429a409c9aa718d915af3df5baa52a868ac0d406e.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:3204

C:\Users\Admin\AppData\Local\Temp\3582-490\4f2dbb2a915ed03feac4344429a409c9aa718d915af3df5baa52a868ac0d406e.exe
"C:\Users\Admin\AppData\Local\Temp\3582-490\4f2dbb2a915ed03feac4344429a409c9aa718d915af3df5baa52a868ac0d406e.exe"
2⤵
- Executes dropped EXE
PID:1120

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

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Data from Local System

1

T1005

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\3582-490\4f2dbb2a915ed03feac4344429a409c9aa718d915af3df5baa52a868ac0d406e.exe
Filesize
1.1MB

MD5
80ff3475582de86c9132364ac9f973c0

SHA1
cc1f51b642d6cf47ee809d1015f174a0adb06841

SHA256
612aa000654882bbb324a233f7599cb4e1eb6fa74c9c29f8cbcd49f158c0d214

SHA512
a65374d87bd1bae1a106c423dffd91936892cb76ee0dace833e600baaef65f06c865811ba3882aa7b69033b127355fed2d3770d81f2efe5c6ef954aaa5be72bf

Download Submit
C:\Users\Admin\AppData\Local\Temp\3582-490\4f2dbb2a915ed03feac4344429a409c9aa718d915af3df5baa52a868ac0d406e.exe
Filesize
1.1MB

MD5
80ff3475582de86c9132364ac9f973c0

SHA1
cc1f51b642d6cf47ee809d1015f174a0adb06841

SHA256
612aa000654882bbb324a233f7599cb4e1eb6fa74c9c29f8cbcd49f158c0d214

SHA512
a65374d87bd1bae1a106c423dffd91936892cb76ee0dace833e600baaef65f06c865811ba3882aa7b69033b127355fed2d3770d81f2efe5c6ef954aaa5be72bf

Download Submit
memory/1120-132-0x0000000000000000-mapping.dmp

Download
memory/1120-135-0x0000000000400000-0x0000000000871000-memory.dmp

Filesize
4.4MB

Download
memory/1120-136-0x0000000000400000-0x0000000000871000-memory.dmp

Filesize
4.4MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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