neshta | 35f6969f46bdfad60514dbd8e64368e3b6d13e0ff92f21f649fab69a80fcd7b0

General

Target

35f6969f46bdfad60514dbd8e64368e3b6d13e0ff92f21f649fab69a80fcd7b0.exe
Size

430KB
MD5

f2fa726aa15a0bedc7de81cab3c2a5db
SHA1

a45ffdd8a301976719abe2f7400c0185b6662432
SHA256

35f6969f46bdfad60514dbd8e64368e3b6d13e0ff92f21f649fab69a80fcd7b0
SHA512

9413137d3eeb19a84b02ed8249074e1f1e6d2ff791786f682bd28ca32b3323c2980292b828023e9d01f82237fb2132f2632344cb625c631230f2c98b1f1c5b9b
SSDEEP

6144:k9+feVjBpeExgVTFSXFoMc5RhCaL37mwww0JwwmSnvYqm9nxLW0Bs/kSTiOWGr9U:RZlPzCy37h8cW7Kcc

Score

10^/10

neshta persistence spyware upx

Malware Config

Signatures

Modifies system executable filetype association 2 TTPs 1 IoCs

persistence

Modify Registry

T1112

Change Default File Association

T1042

Processes:

35f6969f46bdfad60514dbd8e64368e3b6d13e0ff92f21f649fab69a80fcd7b0.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Windows\\svchost.com \"%1\" %*"	35f6969f46bdfad60514dbd8e64368e3b6d13e0ff92f21f649fab69a80fcd7b0.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:

35f6969f46bdfad60514dbd8e64368e3b6d13e0ff92f21f649fab69a80fcd7b0.exe

pid process

2412 35f6969f46bdfad60514dbd8e64368e3b6d13e0ff92f21f649fab69a80fcd7b0.exe

pid	process
2412	35f6969f46bdfad60514dbd8e64368e3b6d13e0ff92f21f649fab69a80fcd7b0.exe

UPX packed file 3 IoCs

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

upx

Processes:

resource	yara_rule
C:\Users\Admin\AppData\Local\Temp\3582-490\35f6969f46bdfad60514dbd8e64368e3b6d13e0ff92f21f649fab69a80fcd7b0.exe	upx
C:\Users\Admin\AppData\Local\Temp\3582-490\35f6969f46bdfad60514dbd8e64368e3b6d13e0ff92f21f649fab69a80fcd7b0.exe	upx
behavioral2/memory/2412-135-0x0000000000400000-0x00000000004E8000-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:

35f6969f46bdfad60514dbd8e64368e3b6d13e0ff92f21f649fab69a80fcd7b0.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\Control Panel\International\Geo\Nation	35f6969f46bdfad60514dbd8e64368e3b6d13e0ff92f21f649fab69a80fcd7b0.exe

Drops file in Program Files directory 45 IoCs

Processes:

35f6969f46bdfad60514dbd8e64368e3b6d13e0ff92f21f649fab69a80fcd7b0.exe

description	ioc	process
File opened for modification	C:\PROGRA~2\COMMON~1\Adobe\ARM\1.0\ADOBEA~1.EXE	35f6969f46bdfad60514dbd8e64368e3b6d13e0ff92f21f649fab69a80fcd7b0.exe
File opened for modification	C:\PROGRA~2\COMMON~1\Java\JAVAUP~1\jucheck.exe	35f6969f46bdfad60514dbd8e64368e3b6d13e0ff92f21f649fab69a80fcd7b0.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\VSTO\10.0\VSTOIN~1.EXE	35f6969f46bdfad60514dbd8e64368e3b6d13e0ff92f21f649fab69a80fcd7b0.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.71\GOOGLE~2.EXE	35f6969f46bdfad60514dbd8e64368e3b6d13e0ff92f21f649fab69a80fcd7b0.exe
File opened for modification	C:\PROGRA~2\INTERN~1\ExtExport.exe	35f6969f46bdfad60514dbd8e64368e3b6d13e0ff92f21f649fab69a80fcd7b0.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\PWAHEL~1.EXE	35f6969f46bdfad60514dbd8e64368e3b6d13e0ff92f21f649fab69a80fcd7b0.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\FULLTR~1.EXE	35f6969f46bdfad60514dbd8e64368e3b6d13e0ff92f21f649fab69a80fcd7b0.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\READER~1.EXE	35f6969f46bdfad60514dbd8e64368e3b6d13e0ff92f21f649fab69a80fcd7b0.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.71\GOOGLE~4.EXE	35f6969f46bdfad60514dbd8e64368e3b6d13e0ff92f21f649fab69a80fcd7b0.exe
File opened for modification	C:\PROGRA~2\Google\Update\DISABL~1.EXE	35f6969f46bdfad60514dbd8e64368e3b6d13e0ff92f21f649fab69a80fcd7b0.exe
File opened for modification	C:\PROGRA~2\INTERN~1\ieinstal.exe	35f6969f46bdfad60514dbd8e64368e3b6d13e0ff92f21f649fab69a80fcd7b0.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\BHO\IE_TO_~1.EXE	35f6969f46bdfad60514dbd8e64368e3b6d13e0ff92f21f649fab69a80fcd7b0.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\ELEVAT~1.EXE	35f6969f46bdfad60514dbd8e64368e3b6d13e0ff92f21f649fab69a80fcd7b0.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\AcroRd32.exe	35f6969f46bdfad60514dbd8e64368e3b6d13e0ff92f21f649fab69a80fcd7b0.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\plug_ins\PI_BRO~1\64BITM~1.EXE	35f6969f46bdfad60514dbd8e64368e3b6d13e0ff92f21f649fab69a80fcd7b0.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\WOW_HE~1.EXE	35f6969f46bdfad60514dbd8e64368e3b6d13e0ff92f21f649fab69a80fcd7b0.exe
File opened for modification	C:\PROGRA~2\COMMON~1\Java\JAVAUP~1\jaureg.exe	35f6969f46bdfad60514dbd8e64368e3b6d13e0ff92f21f649fab69a80fcd7b0.exe
File opened for modification	C:\PROGRA~2\INTERN~1\ielowutil.exe	35f6969f46bdfad60514dbd8e64368e3b6d13e0ff92f21f649fab69a80fcd7b0.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\INSTAL~1\setup.exe	35f6969f46bdfad60514dbd8e64368e3b6d13e0ff92f21f649fab69a80fcd7b0.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\arh.exe	35f6969f46bdfad60514dbd8e64368e3b6d13e0ff92f21f649fab69a80fcd7b0.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\Browser\WCCHRO~1\WCCHRO~1.EXE	35f6969f46bdfad60514dbd8e64368e3b6d13e0ff92f21f649fab69a80fcd7b0.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\Eula.exe	35f6969f46bdfad60514dbd8e64368e3b6d13e0ff92f21f649fab69a80fcd7b0.exe
File opened for modification	C:\PROGRA~2\COMMON~1\Adobe\ARM\1.0\AdobeARM.exe	35f6969f46bdfad60514dbd8e64368e3b6d13e0ff92f21f649fab69a80fcd7b0.exe
File opened for modification	C:\PROGRA~2\COMMON~1\Java\JAVAUP~1\jusched.exe	35f6969f46bdfad60514dbd8e64368e3b6d13e0ff92f21f649fab69a80fcd7b0.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.71\GOOGLE~1.EXE	35f6969f46bdfad60514dbd8e64368e3b6d13e0ff92f21f649fab69a80fcd7b0.exe
File opened for modification	C:\PROGRA~2\INTERN~1\iexplore.exe	35f6969f46bdfad60514dbd8e64368e3b6d13e0ff92f21f649fab69a80fcd7b0.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\MSEDGE~3.EXE	35f6969f46bdfad60514dbd8e64368e3b6d13e0ff92f21f649fab69a80fcd7b0.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\ADOBEC~1.EXE	35f6969f46bdfad60514dbd8e64368e3b6d13e0ff92f21f649fab69a80fcd7b0.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\NOTIFI~1.EXE	35f6969f46bdfad60514dbd8e64368e3b6d13e0ff92f21f649fab69a80fcd7b0.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.71\GOF5E2~1.EXE	35f6969f46bdfad60514dbd8e64368e3b6d13e0ff92f21f649fab69a80fcd7b0.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\IDENTI~1.EXE	35f6969f46bdfad60514dbd8e64368e3b6d13e0ff92f21f649fab69a80fcd7b0.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\ACROTE~1.EXE	35f6969f46bdfad60514dbd8e64368e3b6d13e0ff92f21f649fab69a80fcd7b0.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\LOGTRA~1.EXE	35f6969f46bdfad60514dbd8e64368e3b6d13e0ff92f21f649fab69a80fcd7b0.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.71\GOOGLE~3.EXE	35f6969f46bdfad60514dbd8e64368e3b6d13e0ff92f21f649fab69a80fcd7b0.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.71\GOBD5D~1.EXE	35f6969f46bdfad60514dbd8e64368e3b6d13e0ff92f21f649fab69a80fcd7b0.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\msedge.exe	35f6969f46bdfad60514dbd8e64368e3b6d13e0ff92f21f649fab69a80fcd7b0.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\MSEDGE~1.EXE	35f6969f46bdfad60514dbd8e64368e3b6d13e0ff92f21f649fab69a80fcd7b0.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\MSEDGE~2.EXE	35f6969f46bdfad60514dbd8e64368e3b6d13e0ff92f21f649fab69a80fcd7b0.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\ACROBR~1.EXE	35f6969f46bdfad60514dbd8e64368e3b6d13e0ff92f21f649fab69a80fcd7b0.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\MSInfo\msinfo32.exe	35f6969f46bdfad60514dbd8e64368e3b6d13e0ff92f21f649fab69a80fcd7b0.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.71\GO664E~1.EXE	35f6969f46bdfad60514dbd8e64368e3b6d13e0ff92f21f649fab69a80fcd7b0.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\COOKIE~1.EXE	35f6969f46bdfad60514dbd8e64368e3b6d13e0ff92f21f649fab69a80fcd7b0.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\AcroCEF\RdrCEF.exe	35f6969f46bdfad60514dbd8e64368e3b6d13e0ff92f21f649fab69a80fcd7b0.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\plug_ins\PI_BRO~1\32BITM~1.EXE	35f6969f46bdfad60514dbd8e64368e3b6d13e0ff92f21f649fab69a80fcd7b0.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\ADelRCP.exe	35f6969f46bdfad60514dbd8e64368e3b6d13e0ff92f21f649fab69a80fcd7b0.exe

Drops file in Windows directory 1 IoCs

Processes:

35f6969f46bdfad60514dbd8e64368e3b6d13e0ff92f21f649fab69a80fcd7b0.exe

description ioc process

File opened for modification C:\Windows\svchost.com 35f6969f46bdfad60514dbd8e64368e3b6d13e0ff92f21f649fab69a80fcd7b0.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082
Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

224 2412 WerFault.exe 35f6969f46bdfad60514dbd8e64368e3b6d13e0ff92f21f649fab69a80fcd7b0.exe

description	ioc	process
File opened for modification	C:\Windows\svchost.com	35f6969f46bdfad60514dbd8e64368e3b6d13e0ff92f21f649fab69a80fcd7b0.exe

pid	pid_target	process	target process
224	2412	WerFault.exe	35f6969f46bdfad60514dbd8e64368e3b6d13e0ff92f21f649fab69a80fcd7b0.exe

Modifies registry class 1 IoCs

Processes:

35f6969f46bdfad60514dbd8e64368e3b6d13e0ff92f21f649fab69a80fcd7b0.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Windows\\svchost.com \"%1\" %*"	35f6969f46bdfad60514dbd8e64368e3b6d13e0ff92f21f649fab69a80fcd7b0.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

35f6969f46bdfad60514dbd8e64368e3b6d13e0ff92f21f649fab69a80fcd7b0.exe

description	pid	process	target process
PID 2952 wrote to memory of 2412	2952	35f6969f46bdfad60514dbd8e64368e3b6d13e0ff92f21f649fab69a80fcd7b0.exe	35f6969f46bdfad60514dbd8e64368e3b6d13e0ff92f21f649fab69a80fcd7b0.exe
PID 2952 wrote to memory of 2412	2952	35f6969f46bdfad60514dbd8e64368e3b6d13e0ff92f21f649fab69a80fcd7b0.exe	35f6969f46bdfad60514dbd8e64368e3b6d13e0ff92f21f649fab69a80fcd7b0.exe
PID 2952 wrote to memory of 2412	2952	35f6969f46bdfad60514dbd8e64368e3b6d13e0ff92f21f649fab69a80fcd7b0.exe	35f6969f46bdfad60514dbd8e64368e3b6d13e0ff92f21f649fab69a80fcd7b0.exe

C:\Users\Admin\AppData\Local\Temp\35f6969f46bdfad60514dbd8e64368e3b6d13e0ff92f21f649fab69a80fcd7b0.exe
"C:\Users\Admin\AppData\Local\Temp\35f6969f46bdfad60514dbd8e64368e3b6d13e0ff92f21f649fab69a80fcd7b0.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:2952

C:\Users\Admin\AppData\Local\Temp\3582-490\35f6969f46bdfad60514dbd8e64368e3b6d13e0ff92f21f649fab69a80fcd7b0.exe
"C:\Users\Admin\AppData\Local\Temp\3582-490\35f6969f46bdfad60514dbd8e64368e3b6d13e0ff92f21f649fab69a80fcd7b0.exe"
2⤵
- Executes dropped EXE
PID:2412

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2412 -s 548
3⤵
- Program crash
PID:224

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 2412 -ip 2412
1⤵
PID:308

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

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\3582-490\35f6969f46bdfad60514dbd8e64368e3b6d13e0ff92f21f649fab69a80fcd7b0.exe
Filesize
390KB

MD5
a7a1af091ae0999c280e9ec9c5dd9cca

SHA1
5e21140a5020370e2489f95f1868e1da6873c6e0

SHA256
c3e3ac828f51ea2c263904a398dd5bcfaf0d410793add67b08d738f054ea10a6

SHA512
c4f3cb0732c1197f652d94121bdb7bf7199a0bedb2eb4f90a4f627e9b9527381674048f029d57d4b11490774743a56b9698385eabf85e0c6da18bc95a29cb2ee

Download Submit
C:\Users\Admin\AppData\Local\Temp\3582-490\35f6969f46bdfad60514dbd8e64368e3b6d13e0ff92f21f649fab69a80fcd7b0.exe
Filesize
390KB

MD5
a7a1af091ae0999c280e9ec9c5dd9cca

SHA1
5e21140a5020370e2489f95f1868e1da6873c6e0

SHA256
c3e3ac828f51ea2c263904a398dd5bcfaf0d410793add67b08d738f054ea10a6

SHA512
c4f3cb0732c1197f652d94121bdb7bf7199a0bedb2eb4f90a4f627e9b9527381674048f029d57d4b11490774743a56b9698385eabf85e0c6da18bc95a29cb2ee

Download Submit
memory/2412-132-0x0000000000000000-mapping.dmp

Download
memory/2412-135-0x0000000000400000-0x00000000004E8000-memory.dmp

Filesize
928KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads