neshta | b55573d54c18a8ae6256082a2afae50f208fcd61ecc8a5ef1a2ddbd3b73fef8f

General

Target

b55573d54c18a8ae6256082a2afae50f208fcd61ecc8a5ef1a2ddbd3b73fef8f.exe
Size

163KB
MD5

feccddaace6fecfd190c7ed21b46b028
SHA1

c970d6f679988e8f92ea26bb2771d129c9698899
SHA256

b55573d54c18a8ae6256082a2afae50f208fcd61ecc8a5ef1a2ddbd3b73fef8f
SHA512

c98e7122875a7bf0ed9256af045d7463d54719caa186535cd49bd9b5dd2d6c2e2f74d88982bcf4989cf7596bb3d9c146b5ca4116963b6c4c5ca04419ebe59dfc
SSDEEP

768:eyxqjQl/EMQt4Oei7RwsHxyP7nbxzOQdJOZWR7G4t1/RHcrvYXK+ZP+I5v7px9l:JxqjQ+P04wsmJCnKG4DRHcDAQI5v7px

Score

10^/10

neshta discovery persistence spyware stealer

Malware Config

Signatures

Modifies system executable filetype association 2 TTPs 1 IoCs

persistence

Modify Registry

T1112

Change Default File Association

T1042

Processes:

b55573d54c18a8ae6256082a2afae50f208fcd61ecc8a5ef1a2ddbd3b73fef8f.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Windows\\svchost.com \"%1\" %*"	b55573d54c18a8ae6256082a2afae50f208fcd61ecc8a5ef1a2ddbd3b73fef8f.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:

b55573d54c18a8ae6256082a2afae50f208fcd61ecc8a5ef1a2ddbd3b73fef8f.exe

pid process

2708 b55573d54c18a8ae6256082a2afae50f208fcd61ecc8a5ef1a2ddbd3b73fef8f.exe

Checks BIOS information in registry 2 TTPs 1 IoCs

BIOS information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

Processes:

b55573d54c18a8ae6256082a2afae50f208fcd61ecc8a5ef1a2ddbd3b73fef8f.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	b55573d54c18a8ae6256082a2afae50f208fcd61ecc8a5ef1a2ddbd3b73fef8f.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:

b55573d54c18a8ae6256082a2afae50f208fcd61ecc8a5ef1a2ddbd3b73fef8f.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\Control Panel\International\Geo\Nation	b55573d54c18a8ae6256082a2afae50f208fcd61ecc8a5ef1a2ddbd3b73fef8f.exe

Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081
Reads local data of messenger clients 2 TTPs
Infostealers often target stored data of messaging applications, which can include saved credentials and account information.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081
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
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
discovery

Query Registry
T1012
Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.

Processes:

flow ioc

49 whatismyip.akamai.com

flow	ioc
49	whatismyip.akamai.com

Drops file in Program Files directory 14 IoCs

Processes:

b55573d54c18a8ae6256082a2afae50f208fcd61ecc8a5ef1a2ddbd3b73fef8f.exe

description	ioc	process
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\AcroRd32.exe	b55573d54c18a8ae6256082a2afae50f208fcd61ecc8a5ef1a2ddbd3b73fef8f.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\ACROTE~1.EXE	b55573d54c18a8ae6256082a2afae50f208fcd61ecc8a5ef1a2ddbd3b73fef8f.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\ADOBEC~1.EXE	b55573d54c18a8ae6256082a2afae50f208fcd61ecc8a5ef1a2ddbd3b73fef8f.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\AcroCEF\RdrCEF.exe	b55573d54c18a8ae6256082a2afae50f208fcd61ecc8a5ef1a2ddbd3b73fef8f.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\Eula.exe	b55573d54c18a8ae6256082a2afae50f208fcd61ecc8a5ef1a2ddbd3b73fef8f.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\LOGTRA~1.EXE	b55573d54c18a8ae6256082a2afae50f208fcd61ecc8a5ef1a2ddbd3b73fef8f.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\plug_ins\PI_BRO~1\32BITM~1.EXE	b55573d54c18a8ae6256082a2afae50f208fcd61ecc8a5ef1a2ddbd3b73fef8f.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\READER~1.EXE	b55573d54c18a8ae6256082a2afae50f208fcd61ecc8a5ef1a2ddbd3b73fef8f.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\ADelRCP.exe	b55573d54c18a8ae6256082a2afae50f208fcd61ecc8a5ef1a2ddbd3b73fef8f.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\Browser\WCCHRO~1\WCCHRO~1.EXE	b55573d54c18a8ae6256082a2afae50f208fcd61ecc8a5ef1a2ddbd3b73fef8f.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\FULLTR~1.EXE	b55573d54c18a8ae6256082a2afae50f208fcd61ecc8a5ef1a2ddbd3b73fef8f.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\arh.exe	b55573d54c18a8ae6256082a2afae50f208fcd61ecc8a5ef1a2ddbd3b73fef8f.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\plug_ins\PI_BRO~1\64BITM~1.EXE	b55573d54c18a8ae6256082a2afae50f208fcd61ecc8a5ef1a2ddbd3b73fef8f.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\ACROBR~1.EXE	b55573d54c18a8ae6256082a2afae50f208fcd61ecc8a5ef1a2ddbd3b73fef8f.exe

Drops file in Windows directory 1 IoCs

Processes:

b55573d54c18a8ae6256082a2afae50f208fcd61ecc8a5ef1a2ddbd3b73fef8f.exe

description ioc process

File opened for modification C:\Windows\svchost.com b55573d54c18a8ae6256082a2afae50f208fcd61ecc8a5ef1a2ddbd3b73fef8f.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	b55573d54c18a8ae6256082a2afae50f208fcd61ecc8a5ef1a2ddbd3b73fef8f.exe

Checks processor information in registry 2 TTPs 3 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

Processes:

b55573d54c18a8ae6256082a2afae50f208fcd61ecc8a5ef1a2ddbd3b73fef8f.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	b55573d54c18a8ae6256082a2afae50f208fcd61ecc8a5ef1a2ddbd3b73fef8f.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	b55573d54c18a8ae6256082a2afae50f208fcd61ecc8a5ef1a2ddbd3b73fef8f.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier	b55573d54c18a8ae6256082a2afae50f208fcd61ecc8a5ef1a2ddbd3b73fef8f.exe

Modifies registry class 1 IoCs

Processes:

b55573d54c18a8ae6256082a2afae50f208fcd61ecc8a5ef1a2ddbd3b73fef8f.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Windows\\svchost.com \"%1\" %*"	b55573d54c18a8ae6256082a2afae50f208fcd61ecc8a5ef1a2ddbd3b73fef8f.exe

Suspicious behavior: EnumeratesProcesses 12 IoCs

Processes:

b55573d54c18a8ae6256082a2afae50f208fcd61ecc8a5ef1a2ddbd3b73fef8f.exe

pid	process
2708	b55573d54c18a8ae6256082a2afae50f208fcd61ecc8a5ef1a2ddbd3b73fef8f.exe
2708	b55573d54c18a8ae6256082a2afae50f208fcd61ecc8a5ef1a2ddbd3b73fef8f.exe
2708	b55573d54c18a8ae6256082a2afae50f208fcd61ecc8a5ef1a2ddbd3b73fef8f.exe
2708	b55573d54c18a8ae6256082a2afae50f208fcd61ecc8a5ef1a2ddbd3b73fef8f.exe
2708	b55573d54c18a8ae6256082a2afae50f208fcd61ecc8a5ef1a2ddbd3b73fef8f.exe
2708	b55573d54c18a8ae6256082a2afae50f208fcd61ecc8a5ef1a2ddbd3b73fef8f.exe
2708	b55573d54c18a8ae6256082a2afae50f208fcd61ecc8a5ef1a2ddbd3b73fef8f.exe
2708	b55573d54c18a8ae6256082a2afae50f208fcd61ecc8a5ef1a2ddbd3b73fef8f.exe
2708	b55573d54c18a8ae6256082a2afae50f208fcd61ecc8a5ef1a2ddbd3b73fef8f.exe
2708	b55573d54c18a8ae6256082a2afae50f208fcd61ecc8a5ef1a2ddbd3b73fef8f.exe
2708	b55573d54c18a8ae6256082a2afae50f208fcd61ecc8a5ef1a2ddbd3b73fef8f.exe
2708	b55573d54c18a8ae6256082a2afae50f208fcd61ecc8a5ef1a2ddbd3b73fef8f.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

b55573d54c18a8ae6256082a2afae50f208fcd61ecc8a5ef1a2ddbd3b73fef8f.exe

description	pid	process	target process
PID 5116 wrote to memory of 2708	5116	b55573d54c18a8ae6256082a2afae50f208fcd61ecc8a5ef1a2ddbd3b73fef8f.exe	b55573d54c18a8ae6256082a2afae50f208fcd61ecc8a5ef1a2ddbd3b73fef8f.exe
PID 5116 wrote to memory of 2708	5116	b55573d54c18a8ae6256082a2afae50f208fcd61ecc8a5ef1a2ddbd3b73fef8f.exe	b55573d54c18a8ae6256082a2afae50f208fcd61ecc8a5ef1a2ddbd3b73fef8f.exe
PID 5116 wrote to memory of 2708	5116	b55573d54c18a8ae6256082a2afae50f208fcd61ecc8a5ef1a2ddbd3b73fef8f.exe	b55573d54c18a8ae6256082a2afae50f208fcd61ecc8a5ef1a2ddbd3b73fef8f.exe

C:\Users\Admin\AppData\Local\Temp\b55573d54c18a8ae6256082a2afae50f208fcd61ecc8a5ef1a2ddbd3b73fef8f.exe
"C:\Users\Admin\AppData\Local\Temp\b55573d54c18a8ae6256082a2afae50f208fcd61ecc8a5ef1a2ddbd3b73fef8f.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:5116

C:\Users\Admin\AppData\Local\Temp\3582-490\b55573d54c18a8ae6256082a2afae50f208fcd61ecc8a5ef1a2ddbd3b73fef8f.exe
"C:\Users\Admin\AppData\Local\Temp\3582-490\b55573d54c18a8ae6256082a2afae50f208fcd61ecc8a5ef1a2ddbd3b73fef8f.exe"
2⤵
- Executes dropped EXE
- Checks BIOS information in registry
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
PID:2708

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

3

T1081

Discovery

Query Registry

4

T1012

System Information Discovery

4

T1082

Lateral Movement

Collection

Data from Local System

3

T1005

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\3582-490\b55573d54c18a8ae6256082a2afae50f208fcd61ecc8a5ef1a2ddbd3b73fef8f.exe
Filesize
122KB

MD5
14d3b7b0f53047217bccb335f6e23498

SHA1
6ae46c7c2b14b33458a4b2e1a480b245c7d1c869

SHA256
286e6b19471a5d5766d48852b6660d78e3aa6d19e624af23e76945550ca03b10

SHA512
ab6b5b8a3d663ca0bf489bc305ebe2ac594d4fbd129578dfbd5b3de82e57a9f422a1db2d52a977cca404387f1c4d0c881652de2d7c78d714e6f14f958d5c7067

Download Submit
C:\Users\Admin\AppData\Local\Temp\3582-490\b55573d54c18a8ae6256082a2afae50f208fcd61ecc8a5ef1a2ddbd3b73fef8f.exe
Filesize
122KB

MD5
14d3b7b0f53047217bccb335f6e23498

SHA1
6ae46c7c2b14b33458a4b2e1a480b245c7d1c869

SHA256
286e6b19471a5d5766d48852b6660d78e3aa6d19e624af23e76945550ca03b10

SHA512
ab6b5b8a3d663ca0bf489bc305ebe2ac594d4fbd129578dfbd5b3de82e57a9f422a1db2d52a977cca404387f1c4d0c881652de2d7c78d714e6f14f958d5c7067

Download Submit
memory/2708-132-0x0000000000000000-mapping.dmp

Download
memory/2708-135-0x0000000000400000-0x000000000045D000-memory.dmp

Filesize
372KB

Download
memory/2708-136-0x0000000000400000-0x000000000045D000-memory.dmp

Filesize
372KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads