neshta | 6faa6b70401bda86a53e85c24e767fb918206a83d365ce6e7dcf4df7b3982b58

General

Target

6faa6b70401bda86a53e85c24e767fb918206a83d365ce6e7dcf4df7b3982b58.exe
Size

694KB
MD5

379a1a8ee773f5cac581582ecb564edf
SHA1

0bbc529e9f65ddc70adb582fd4f637de5c5a57c1
SHA256

6faa6b70401bda86a53e85c24e767fb918206a83d365ce6e7dcf4df7b3982b58
SHA512

86b5ecf17982169f138cd43839654551ad2148d34fdd99af04397b807895aee89de44c17e26272046fa0cafea99e034894f43ecdca76d0401449ecd81c4ebb61

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:

6faa6b70401bda86a53e85c24e767fb918206a83d365ce6e7dcf4df7b3982b58.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Windows\\svchost.com \"%1\" %*"	6faa6b70401bda86a53e85c24e767fb918206a83d365ce6e7dcf4df7b3982b58.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:

6faa6b70401bda86a53e85c24e767fb918206a83d365ce6e7dcf4df7b3982b58.exe

pid process

5048 6faa6b70401bda86a53e85c24e767fb918206a83d365ce6e7dcf4df7b3982b58.exe

pid	process
5048	6faa6b70401bda86a53e85c24e767fb918206a83d365ce6e7dcf4df7b3982b58.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:

6faa6b70401bda86a53e85c24e767fb918206a83d365ce6e7dcf4df7b3982b58.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\Control Panel\International\Geo\Nation	6faa6b70401bda86a53e85c24e767fb918206a83d365ce6e7dcf4df7b3982b58.exe

Drops file in Program Files directory 14 IoCs

Processes:

6faa6b70401bda86a53e85c24e767fb918206a83d365ce6e7dcf4df7b3982b58.exe

description	ioc	process
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\AcroRd32.exe	6faa6b70401bda86a53e85c24e767fb918206a83d365ce6e7dcf4df7b3982b58.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\ACROTE~1.EXE	6faa6b70401bda86a53e85c24e767fb918206a83d365ce6e7dcf4df7b3982b58.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\FULLTR~1.EXE	6faa6b70401bda86a53e85c24e767fb918206a83d365ce6e7dcf4df7b3982b58.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\AcroCEF\RdrCEF.exe	6faa6b70401bda86a53e85c24e767fb918206a83d365ce6e7dcf4df7b3982b58.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\ADOBEC~1.EXE	6faa6b70401bda86a53e85c24e767fb918206a83d365ce6e7dcf4df7b3982b58.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\Eula.exe	6faa6b70401bda86a53e85c24e767fb918206a83d365ce6e7dcf4df7b3982b58.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\plug_ins\PI_BRO~1\64BITM~1.EXE	6faa6b70401bda86a53e85c24e767fb918206a83d365ce6e7dcf4df7b3982b58.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\READER~1.EXE	6faa6b70401bda86a53e85c24e767fb918206a83d365ce6e7dcf4df7b3982b58.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\ACROBR~1.EXE	6faa6b70401bda86a53e85c24e767fb918206a83d365ce6e7dcf4df7b3982b58.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\ADelRCP.exe	6faa6b70401bda86a53e85c24e767fb918206a83d365ce6e7dcf4df7b3982b58.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\arh.exe	6faa6b70401bda86a53e85c24e767fb918206a83d365ce6e7dcf4df7b3982b58.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\Browser\WCCHRO~1\WCCHRO~1.EXE	6faa6b70401bda86a53e85c24e767fb918206a83d365ce6e7dcf4df7b3982b58.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\LOGTRA~1.EXE	6faa6b70401bda86a53e85c24e767fb918206a83d365ce6e7dcf4df7b3982b58.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\plug_ins\PI_BRO~1\32BITM~1.EXE	6faa6b70401bda86a53e85c24e767fb918206a83d365ce6e7dcf4df7b3982b58.exe

Drops file in Windows directory 1 IoCs

Processes:

6faa6b70401bda86a53e85c24e767fb918206a83d365ce6e7dcf4df7b3982b58.exe

description ioc process

File opened for modification C:\Windows\svchost.com 6faa6b70401bda86a53e85c24e767fb918206a83d365ce6e7dcf4df7b3982b58.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

672 5048 WerFault.exe 6faa6b70401bda86a53e85c24e767fb918206a83d365ce6e7dcf4df7b3982b58.exe

description	ioc	process
File opened for modification	C:\Windows\svchost.com	6faa6b70401bda86a53e85c24e767fb918206a83d365ce6e7dcf4df7b3982b58.exe

pid	pid_target	process	target process
672	5048	WerFault.exe	6faa6b70401bda86a53e85c24e767fb918206a83d365ce6e7dcf4df7b3982b58.exe

Modifies registry class 1 IoCs

Processes:

6faa6b70401bda86a53e85c24e767fb918206a83d365ce6e7dcf4df7b3982b58.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Windows\\svchost.com \"%1\" %*"	6faa6b70401bda86a53e85c24e767fb918206a83d365ce6e7dcf4df7b3982b58.exe

Suspicious use of WriteProcessMemory 2 IoCs

Processes:

6faa6b70401bda86a53e85c24e767fb918206a83d365ce6e7dcf4df7b3982b58.exe

description	pid	process	target process
PID 1160 wrote to memory of 5048	1160	6faa6b70401bda86a53e85c24e767fb918206a83d365ce6e7dcf4df7b3982b58.exe	6faa6b70401bda86a53e85c24e767fb918206a83d365ce6e7dcf4df7b3982b58.exe
PID 1160 wrote to memory of 5048	1160	6faa6b70401bda86a53e85c24e767fb918206a83d365ce6e7dcf4df7b3982b58.exe	6faa6b70401bda86a53e85c24e767fb918206a83d365ce6e7dcf4df7b3982b58.exe

C:\Users\Admin\AppData\Local\Temp\6faa6b70401bda86a53e85c24e767fb918206a83d365ce6e7dcf4df7b3982b58.exe
"C:\Users\Admin\AppData\Local\Temp\6faa6b70401bda86a53e85c24e767fb918206a83d365ce6e7dcf4df7b3982b58.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:1160

C:\Users\Admin\AppData\Local\Temp\3582-490\6faa6b70401bda86a53e85c24e767fb918206a83d365ce6e7dcf4df7b3982b58.exe
"C:\Users\Admin\AppData\Local\Temp\3582-490\6faa6b70401bda86a53e85c24e767fb918206a83d365ce6e7dcf4df7b3982b58.exe"
2⤵
- Executes dropped EXE
PID:5048

C:\Windows\system32\WerFault.exe
C:\Windows\system32\WerFault.exe -u -p 5048 -s 800
3⤵
- Program crash
PID:672

C:\Windows\system32\WerFault.exe
C:\Windows\system32\WerFault.exe -pss -s 204 -p 5048 -ip 5048
1⤵
PID:4724

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\6faa6b70401bda86a53e85c24e767fb918206a83d365ce6e7dcf4df7b3982b58.exe
Filesize
653KB

MD5
b78bc6dc4e5f2b0a6e651b34b54c37d2

SHA1
e19188dbfad20b61ff7f36585a9f5225f3a4f6b8

SHA256
24491ebdb6641ca0ba23fc6a0f10e75a5520e924ef0901072a1413b23eff5711

SHA512
724c61065c51f367ada9cbdeb993ea68fecca0635852d7bba24e8dd2c7e7818ece9a75ba214a0a49f63c6964fe73f2d8824c17170e58d8196e405bc66fb28ee5

Download Submit
C:\Users\Admin\AppData\Local\Temp\3582-490\6faa6b70401bda86a53e85c24e767fb918206a83d365ce6e7dcf4df7b3982b58.exe
Filesize
653KB

MD5
b78bc6dc4e5f2b0a6e651b34b54c37d2

SHA1
e19188dbfad20b61ff7f36585a9f5225f3a4f6b8

SHA256
24491ebdb6641ca0ba23fc6a0f10e75a5520e924ef0901072a1413b23eff5711

SHA512
724c61065c51f367ada9cbdeb993ea68fecca0635852d7bba24e8dd2c7e7818ece9a75ba214a0a49f63c6964fe73f2d8824c17170e58d8196e405bc66fb28ee5

Download Submit
memory/5048-133-0x0000012E77D70000-0x0000012E77E18000-memory.dmp

Filesize
672KB

Download
memory/5048-130-0x0000000000000000-mapping.dmp

Download
memory/5048-134-0x00007FFDDBEA0000-0x00007FFDDC961000-memory.dmp

Filesize
10.8MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads