neshta | 06615aa82fc1f22d638441677ad10d2d311ce652d52abd96618e4f47766e6727

General

Target

06615aa82fc1f22d638441677ad10d2d311ce652d52abd96618e4f47766e6727.exe
Size

776KB
MD5

269c60d04d600ad46c365a3ae4c48880
SHA1

5658cf6ad38bb3fcc8fb8a6e827b1fa3cde38626
SHA256

06615aa82fc1f22d638441677ad10d2d311ce652d52abd96618e4f47766e6727
SHA512

ddb63d99a8059da1e4f165829d41b852d79b16731d268ab4e4c1ab18f9673b2f4d962618747e9f5f0f0cda8ba1e82a0929526418554165e9694163a55408a028
SSDEEP

6144:k9XXjWsbG9zng8ULQa3AlXjWsbG9zng8ULQa3AMr:2XjWsb0znha3KXjWsb0znha3r

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:

06615aa82fc1f22d638441677ad10d2d311ce652d52abd96618e4f47766e6727.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Windows\\svchost.com \"%1\" %*"	06615aa82fc1f22d638441677ad10d2d311ce652d52abd96618e4f47766e6727.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:

06615aa82fc1f22d638441677ad10d2d311ce652d52abd96618e4f47766e6727.exe

pid process

3480 06615aa82fc1f22d638441677ad10d2d311ce652d52abd96618e4f47766e6727.exe

pid	process
3480	06615aa82fc1f22d638441677ad10d2d311ce652d52abd96618e4f47766e6727.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:

06615aa82fc1f22d638441677ad10d2d311ce652d52abd96618e4f47766e6727.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2971393436-602173351-1645505021-1000\Control Panel\International\Geo\Nation	06615aa82fc1f22d638441677ad10d2d311ce652d52abd96618e4f47766e6727.exe

Drops file in Program Files directory 14 IoCs

Processes:

06615aa82fc1f22d638441677ad10d2d311ce652d52abd96618e4f47766e6727.exe

description	ioc	process
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\Eula.exe	06615aa82fc1f22d638441677ad10d2d311ce652d52abd96618e4f47766e6727.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\plug_ins\PI_BRO~1\64BITM~1.EXE	06615aa82fc1f22d638441677ad10d2d311ce652d52abd96618e4f47766e6727.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\FULLTR~1.EXE	06615aa82fc1f22d638441677ad10d2d311ce652d52abd96618e4f47766e6727.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\ACROBR~1.EXE	06615aa82fc1f22d638441677ad10d2d311ce652d52abd96618e4f47766e6727.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\ACROTE~1.EXE	06615aa82fc1f22d638441677ad10d2d311ce652d52abd96618e4f47766e6727.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\ADOBEC~1.EXE	06615aa82fc1f22d638441677ad10d2d311ce652d52abd96618e4f47766e6727.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\arh.exe	06615aa82fc1f22d638441677ad10d2d311ce652d52abd96618e4f47766e6727.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\Browser\WCCHRO~1\WCCHRO~1.EXE	06615aa82fc1f22d638441677ad10d2d311ce652d52abd96618e4f47766e6727.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\LOGTRA~1.EXE	06615aa82fc1f22d638441677ad10d2d311ce652d52abd96618e4f47766e6727.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\plug_ins\PI_BRO~1\32BITM~1.EXE	06615aa82fc1f22d638441677ad10d2d311ce652d52abd96618e4f47766e6727.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\READER~1.EXE	06615aa82fc1f22d638441677ad10d2d311ce652d52abd96618e4f47766e6727.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\AcroCEF\RdrCEF.exe	06615aa82fc1f22d638441677ad10d2d311ce652d52abd96618e4f47766e6727.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\AcroRd32.exe	06615aa82fc1f22d638441677ad10d2d311ce652d52abd96618e4f47766e6727.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\ADelRCP.exe	06615aa82fc1f22d638441677ad10d2d311ce652d52abd96618e4f47766e6727.exe

Drops file in Windows directory 1 IoCs

Processes:

06615aa82fc1f22d638441677ad10d2d311ce652d52abd96618e4f47766e6727.exe

description ioc process

File opened for modification C:\Windows\svchost.com 06615aa82fc1f22d638441677ad10d2d311ce652d52abd96618e4f47766e6727.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

4584 3480 WerFault.exe 06615aa82fc1f22d638441677ad10d2d311ce652d52abd96618e4f47766e6727.exe

description	ioc	process
File opened for modification	C:\Windows\svchost.com	06615aa82fc1f22d638441677ad10d2d311ce652d52abd96618e4f47766e6727.exe

pid	pid_target	process	target process
4584	3480	WerFault.exe	06615aa82fc1f22d638441677ad10d2d311ce652d52abd96618e4f47766e6727.exe

Modifies registry class 1 IoCs

Processes:

06615aa82fc1f22d638441677ad10d2d311ce652d52abd96618e4f47766e6727.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Windows\\svchost.com \"%1\" %*"	06615aa82fc1f22d638441677ad10d2d311ce652d52abd96618e4f47766e6727.exe

Suspicious use of WriteProcessMemory 2 IoCs

Processes:

06615aa82fc1f22d638441677ad10d2d311ce652d52abd96618e4f47766e6727.exe

description	pid	process	target process
PID 2236 wrote to memory of 3480	2236	06615aa82fc1f22d638441677ad10d2d311ce652d52abd96618e4f47766e6727.exe	06615aa82fc1f22d638441677ad10d2d311ce652d52abd96618e4f47766e6727.exe
PID 2236 wrote to memory of 3480	2236	06615aa82fc1f22d638441677ad10d2d311ce652d52abd96618e4f47766e6727.exe	06615aa82fc1f22d638441677ad10d2d311ce652d52abd96618e4f47766e6727.exe

C:\Users\Admin\AppData\Local\Temp\06615aa82fc1f22d638441677ad10d2d311ce652d52abd96618e4f47766e6727.exe
"C:\Users\Admin\AppData\Local\Temp\06615aa82fc1f22d638441677ad10d2d311ce652d52abd96618e4f47766e6727.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:2236

C:\Users\Admin\AppData\Local\Temp\3582-490\06615aa82fc1f22d638441677ad10d2d311ce652d52abd96618e4f47766e6727.exe
"C:\Users\Admin\AppData\Local\Temp\3582-490\06615aa82fc1f22d638441677ad10d2d311ce652d52abd96618e4f47766e6727.exe"
2⤵
- Executes dropped EXE
PID:3480

C:\Windows\system32\WerFault.exe
C:\Windows\system32\WerFault.exe -u -p 3480 -s 960
3⤵
- Program crash
PID:4584

C:\Windows\system32\WerFault.exe
C:\Windows\system32\WerFault.exe -pss -s 404 -p 3480 -ip 3480
1⤵
PID:396

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\06615aa82fc1f22d638441677ad10d2d311ce652d52abd96618e4f47766e6727.exe
Filesize
735KB

MD5
ee91068f37fd23106cb65c8d11ae16a1

SHA1
7e71a69ae5b46eff777abe19046f2af4040a4dc5

SHA256
ce30ae02620c6a4bde407374b2623469603d4b464fafcad02a3be0c04d232a9b

SHA512
f8ce3adee85e6cf2809fb20c8cfbd89ee2c23af0a928af966590d29f26a33b6d577d4ea038f6cd948eeed28dc49a9baab224129a049f6ffb46c1a9899d45853c

Download Submit
C:\Users\Admin\AppData\Local\Temp\3582-490\06615aa82fc1f22d638441677ad10d2d311ce652d52abd96618e4f47766e6727.exe
Filesize
735KB

MD5
ee91068f37fd23106cb65c8d11ae16a1

SHA1
7e71a69ae5b46eff777abe19046f2af4040a4dc5

SHA256
ce30ae02620c6a4bde407374b2623469603d4b464fafcad02a3be0c04d232a9b

SHA512
f8ce3adee85e6cf2809fb20c8cfbd89ee2c23af0a928af966590d29f26a33b6d577d4ea038f6cd948eeed28dc49a9baab224129a049f6ffb46c1a9899d45853c

Download Submit
memory/3480-132-0x0000000000000000-mapping.dmp

Download
memory/3480-135-0x0000000000AB0000-0x0000000000B6E000-memory.dmp

Filesize
760KB

Download
memory/3480-136-0x00007FFE48E20000-0x00007FFE498E1000-memory.dmp

Filesize
10.8MB

Download
memory/3480-137-0x00007FFE48E20000-0x00007FFE498E1000-memory.dmp

Filesize
10.8MB

Download
memory/3480-138-0x00007FFE48E20000-0x00007FFE498E1000-memory.dmp

Filesize
10.8MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads