neshta | bc85cf54592e1aaed718075fc8216a114f3848ce1eef5da6b40de761a3a32574

General

Target

bc85cf54592e1aaed718075fc8216a114f3848ce1eef5da6b40de761a3a32574.exe
Size

471KB
MD5

6a2ce11c38d1dbe2057ea8ab193450f9
SHA1

2146da22cb07e2c2416a65710517ae8ecd05ece3
SHA256

bc85cf54592e1aaed718075fc8216a114f3848ce1eef5da6b40de761a3a32574
SHA512

1cd44daa13f11788e53914ffcf1fc57f14a29c754260b80e061e88fa798665875b41f843a51897c63c979c10a50694f534cdd7e9b15ff46cede84cb17e2e736e

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:

bc85cf54592e1aaed718075fc8216a114f3848ce1eef5da6b40de761a3a32574.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Windows\\svchost.com \"%1\" %*"	bc85cf54592e1aaed718075fc8216a114f3848ce1eef5da6b40de761a3a32574.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:

bc85cf54592e1aaed718075fc8216a114f3848ce1eef5da6b40de761a3a32574.exe

pid process

1908 bc85cf54592e1aaed718075fc8216a114f3848ce1eef5da6b40de761a3a32574.exe

pid	process
1908	bc85cf54592e1aaed718075fc8216a114f3848ce1eef5da6b40de761a3a32574.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:

bc85cf54592e1aaed718075fc8216a114f3848ce1eef5da6b40de761a3a32574.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000\Control Panel\International\Geo\Nation	bc85cf54592e1aaed718075fc8216a114f3848ce1eef5da6b40de761a3a32574.exe

Drops file in Windows directory 7 IoCs

Processes:

svchost.exebc85cf54592e1aaed718075fc8216a114f3848ce1eef5da6b40de761a3a32574.exe

description	ioc	process
File opened for modification	C:\Windows\SoftwareDistribution\DataStore\Logs\edb.chk	svchost.exe
File opened for modification	C:\Windows\SoftwareDistribution\DataStore\Logs\edb.log	svchost.exe
File opened for modification	C:\Windows\SoftwareDistribution\DataStore\DataStore.edb	svchost.exe
File opened for modification	C:\Windows\SoftwareDistribution\DataStore\DataStore.jfm	svchost.exe
File opened for modification	C:\Windows\SoftwareDistribution\ReportingEvents.log	svchost.exe
File opened for modification	C:\Windows\svchost.com	bc85cf54592e1aaed718075fc8216a114f3848ce1eef5da6b40de761a3a32574.exe
File opened for modification	C:\Windows\WindowsUpdate.log	svchost.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

Modifies registry class 1 IoCs

Processes:

bc85cf54592e1aaed718075fc8216a114f3848ce1eef5da6b40de761a3a32574.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Windows\\svchost.com \"%1\" %*"	bc85cf54592e1aaed718075fc8216a114f3848ce1eef5da6b40de761a3a32574.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

Processes:

svchost.exe

description	pid	process
Token: SeShutdownPrivilege	4216	svchost.exe
Token: SeCreatePagefilePrivilege	4216	svchost.exe
Token: SeShutdownPrivilege	4216	svchost.exe
Token: SeCreatePagefilePrivilege	4216	svchost.exe
Token: SeShutdownPrivilege	4216	svchost.exe
Token: SeCreatePagefilePrivilege	4216	svchost.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

bc85cf54592e1aaed718075fc8216a114f3848ce1eef5da6b40de761a3a32574.exe

description	pid	process	target process
PID 4836 wrote to memory of 1908	4836	bc85cf54592e1aaed718075fc8216a114f3848ce1eef5da6b40de761a3a32574.exe	bc85cf54592e1aaed718075fc8216a114f3848ce1eef5da6b40de761a3a32574.exe
PID 4836 wrote to memory of 1908	4836	bc85cf54592e1aaed718075fc8216a114f3848ce1eef5da6b40de761a3a32574.exe	bc85cf54592e1aaed718075fc8216a114f3848ce1eef5da6b40de761a3a32574.exe
PID 4836 wrote to memory of 1908	4836	bc85cf54592e1aaed718075fc8216a114f3848ce1eef5da6b40de761a3a32574.exe	bc85cf54592e1aaed718075fc8216a114f3848ce1eef5da6b40de761a3a32574.exe

C:\Users\Admin\AppData\Local\Temp\bc85cf54592e1aaed718075fc8216a114f3848ce1eef5da6b40de761a3a32574.exe
"C:\Users\Admin\AppData\Local\Temp\bc85cf54592e1aaed718075fc8216a114f3848ce1eef5da6b40de761a3a32574.exe"
1⤵
- Modifies system executable filetype association
- Checks computer location settings
- Drops file in Windows directory
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:4836

C:\Users\Admin\AppData\Local\Temp\3582-490\bc85cf54592e1aaed718075fc8216a114f3848ce1eef5da6b40de761a3a32574.exe
"C:\Users\Admin\AppData\Local\Temp\3582-490\bc85cf54592e1aaed718075fc8216a114f3848ce1eef5da6b40de761a3a32574.exe"
2⤵
- Executes dropped EXE
PID:1908

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k netsvcs -p -s wuauserv
1⤵
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
PID:4216

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

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\3582-490\bc85cf54592e1aaed718075fc8216a114f3848ce1eef5da6b40de761a3a32574.exe
MD5
023028e675b8efbfaed53720026376a0

SHA1
12cdff8591d6fa09f3d7f6a6b134c4261974ea0d

SHA256
d76a2c33c7e4beccececfdd574c1a80500efd6672f8fa79d994b58ea04d145f9

SHA512
141fd47a381dcded22837805f3ed29bd086c5d1a88b4ca863eba012a5e8d40949d112b71fad71e096fa6455bf5837724145e4ca09ac2946c98e6ae4847133cab

Download Submit
C:\Users\Admin\AppData\Local\Temp\3582-490\bc85cf54592e1aaed718075fc8216a114f3848ce1eef5da6b40de761a3a32574.exe
MD5
023028e675b8efbfaed53720026376a0

SHA1
12cdff8591d6fa09f3d7f6a6b134c4261974ea0d

SHA256
d76a2c33c7e4beccececfdd574c1a80500efd6672f8fa79d994b58ea04d145f9

SHA512
141fd47a381dcded22837805f3ed29bd086c5d1a88b4ca863eba012a5e8d40949d112b71fad71e096fa6455bf5837724145e4ca09ac2946c98e6ae4847133cab

Download Submit
memory/4216-144-0x0000017056430000-0x0000017056434000-memory.dmp

Filesize
16KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads