neshta | 42b3efec41088a0afd2cc17e038169dd572baa116aa734a427012d39917f4107

General

Target

13a1c548abf86e0c908fdeca6fb315fe.exe
Size

1009KB
MD5

13a1c548abf86e0c908fdeca6fb315fe
SHA1

c2988a93906cffd63704990194eb9b3ba556a209
SHA256

42b3efec41088a0afd2cc17e038169dd572baa116aa734a427012d39917f4107
SHA512

db1b2013853fcad8c54337af2cb42f1c54a0b73cf438475e58d799a0623808686ca5100f275de8d90d3169747e0ed3ee132bca720c0e04eea565c33fde58a50d

Score

10^/10

neshta persistence spyware stealer

Malware Config

Signatures

Detect Neshta Payload 3 IoCs

Processes:

resource	yara_rule
behavioral2/memory/948-123-0x0000000000400000-0x000000000041B000-memory.dmp	family_neshta
behavioral2/memory/948-124-0x00000000004080E4-mapping.dmp	family_neshta
behavioral2/memory/948-125-0x0000000000400000-0x000000000041B000-memory.dmp	family_neshta

Modifies system executable filetype association 2 TTPs 1 IoCs

persistence

Modify Registry

T1112

Change Default File Association

T1042

Processes:

13a1c548abf86e0c908fdeca6fb315fe.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Windows\\svchost.com \"%1\" %*"	13a1c548abf86e0c908fdeca6fb315fe.exe

Neshta
Malware from the neshta family is designed to infect itself into other files to spread itself and cause damage.
persistence spyware neshta
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
Suspicious use of SetThreadContext 1 IoCs

Processes:

13a1c548abf86e0c908fdeca6fb315fe.exe

description pid process target process

PID 664 set thread context of 948 664 13a1c548abf86e0c908fdeca6fb315fe.exe 13a1c548abf86e0c908fdeca6fb315fe.exe

description	pid	process	target process
PID 664 set thread context of 948	664	13a1c548abf86e0c908fdeca6fb315fe.exe	13a1c548abf86e0c908fdeca6fb315fe.exe

Drops file in Program Files directory 55 IoCs

Processes:

13a1c548abf86e0c908fdeca6fb315fe.exe

description	ioc	process
File opened for modification	C:\PROGRA~3\PACKAG~1\{F4220~1\VC_RED~1.EXE	13a1c548abf86e0c908fdeca6fb315fe.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\FULLTR~1.EXE	13a1c548abf86e0c908fdeca6fb315fe.exe
File opened for modification	C:\PROGRA~3\MICROS~1\CLICKT~1\{9AC08~1\INTEGR~1.EXE	13a1c548abf86e0c908fdeca6fb315fe.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmlaunch.exe	13a1c548abf86e0c908fdeca6fb315fe.exe
File opened for modification	C:\PROGRA~2\Google\Update\1335~1.452\GO664E~1.EXE	13a1c548abf86e0c908fdeca6fb315fe.exe
File opened for modification	C:\PROGRA~2\WINDOW~2\wab.exe	13a1c548abf86e0c908fdeca6fb315fe.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\ACROTE~1.EXE	13a1c548abf86e0c908fdeca6fb315fe.exe
File opened for modification	C:\PROGRA~2\Google\Update\1335~1.452\GOF5E2~1.EXE	13a1c548abf86e0c908fdeca6fb315fe.exe
File opened for modification	C:\PROGRA~2\WI8A19~1\ImagingDevices.exe	13a1c548abf86e0c908fdeca6fb315fe.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\MSInfo\msinfo32.exe	13a1c548abf86e0c908fdeca6fb315fe.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmprph.exe	13a1c548abf86e0c908fdeca6fb315fe.exe
File opened for modification	C:\PROGRA~2\INTERN~1\ExtExport.exe	13a1c548abf86e0c908fdeca6fb315fe.exe
File opened for modification	C:\PROGRA~2\WINDOW~2\wabmig.exe	13a1c548abf86e0c908fdeca6fb315fe.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\AcroCEF\RdrCEF.exe	13a1c548abf86e0c908fdeca6fb315fe.exe
File opened for modification	C:\PROGRA~2\Google\Update\1335~1.452\GOOGLE~2.EXE	13a1c548abf86e0c908fdeca6fb315fe.exe
File opened for modification	C:\PROGRA~2\Google\Update\1335~1.452\GOOGLE~3.EXE	13a1c548abf86e0c908fdeca6fb315fe.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\Browser\WCCHRO~1\WCCHRO~1.EXE	13a1c548abf86e0c908fdeca6fb315fe.exe
File opened for modification	C:\PROGRA~2\INTERN~1\iexplore.exe	13a1c548abf86e0c908fdeca6fb315fe.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\AcroRd32.exe	13a1c548abf86e0c908fdeca6fb315fe.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\LOGTRA~1.EXE	13a1c548abf86e0c908fdeca6fb315fe.exe
File opened for modification	C:\PROGRA~2\INTERN~1\ieinstal.exe	13a1c548abf86e0c908fdeca6fb315fe.exe
File opened for modification	C:\PROGRA~2\MOZILL~1\UNINST~1.EXE	13a1c548abf86e0c908fdeca6fb315fe.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\WOW_HE~1.EXE	13a1c548abf86e0c908fdeca6fb315fe.exe
File opened for modification	C:\PROGRA~2\COMMON~1\Adobe\ARM\1.0\ADOBEA~1.EXE	13a1c548abf86e0c908fdeca6fb315fe.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\setup_wm.exe	13a1c548abf86e0c908fdeca6fb315fe.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\VSTO\10.0\VSTOIN~1.EXE	13a1c548abf86e0c908fdeca6fb315fe.exe
File opened for modification	C:\PROGRA~2\Google\Update\1335~1.452\GOOGLE~4.EXE	13a1c548abf86e0c908fdeca6fb315fe.exe
File opened for modification	C:\PROGRA~2\INTERN~1\ielowutil.exe	13a1c548abf86e0c908fdeca6fb315fe.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\ADelRCP.exe	13a1c548abf86e0c908fdeca6fb315fe.exe
File opened for modification	C:\PROGRA~2\COMMON~1\Adobe\ARM\1.0\AdobeARM.exe	13a1c548abf86e0c908fdeca6fb315fe.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\ADOBEC~1.EXE	13a1c548abf86e0c908fdeca6fb315fe.exe
File opened for modification	C:\PROGRA~2\COMMON~1\Java\JAVAUP~1\jucheck.exe	13a1c548abf86e0c908fdeca6fb315fe.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\plug_ins\PI_BRO~1\64BITM~1.EXE	13a1c548abf86e0c908fdeca6fb315fe.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\arh.exe	13a1c548abf86e0c908fdeca6fb315fe.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\plug_ins\PI_BRO~1\32BITM~1.EXE	13a1c548abf86e0c908fdeca6fb315fe.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{CA675~1\VCREDI~1.EXE	13a1c548abf86e0c908fdeca6fb315fe.exe
File opened for modification	C:\PROGRA~2\Google\Update\1335~1.452\GOBD5D~1.EXE	13a1c548abf86e0c908fdeca6fb315fe.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmpshare.exe	13a1c548abf86e0c908fdeca6fb315fe.exe
File opened for modification	C:\PROGRA~2\Google\Update\1335~1.452\GOOGLE~1.EXE	13a1c548abf86e0c908fdeca6fb315fe.exe
File opened for modification	C:\PROGRA~2\Google\Update\DISABL~1.EXE	13a1c548abf86e0c908fdeca6fb315fe.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmplayer.exe	13a1c548abf86e0c908fdeca6fb315fe.exe
File opened for modification	C:\PROGRA~3\Adobe\Setup\{AC76B~1\setup.exe	13a1c548abf86e0c908fdeca6fb315fe.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\Eula.exe	13a1c548abf86e0c908fdeca6fb315fe.exe
File opened for modification	C:\PROGRA~2\COMMON~1\Adobe\ARM\1.0\armsvc.exe	13a1c548abf86e0c908fdeca6fb315fe.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmpconfig.exe	13a1c548abf86e0c908fdeca6fb315fe.exe
File opened for modification	C:\PROGRA~2\COMMON~1\Java\JAVAUP~1\jaureg.exe	13a1c548abf86e0c908fdeca6fb315fe.exe
File opened for modification	C:\PROGRA~2\COMMON~1\Java\JAVAUP~1\jusched.exe	13a1c548abf86e0c908fdeca6fb315fe.exe
File opened for modification	C:\PROGRA~2\Google\Temp\GUM18A1.tmp\GOFB2B~1.EXE	13a1c548abf86e0c908fdeca6fb315fe.exe
File opened for modification	C:\PROGRA~2\Google\Update\1335~1.452\GOFB2B~1.EXE	13a1c548abf86e0c908fdeca6fb315fe.exe
File opened for modification	C:\PROGRA~2\MOZILL~1\MAINTE~1.EXE	13a1c548abf86e0c908fdeca6fb315fe.exe
File opened for modification	C:\PROGRA~2\WINDOW~2\WinMail.exe	13a1c548abf86e0c908fdeca6fb315fe.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\ACROBR~1.EXE	13a1c548abf86e0c908fdeca6fb315fe.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\READER~1.EXE	13a1c548abf86e0c908fdeca6fb315fe.exe
File opened for modification	C:\PROGRA~2\WINDOW~4\ACCESS~1\wordpad.exe	13a1c548abf86e0c908fdeca6fb315fe.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{EF6B0~1\VCREDI~1.EXE	13a1c548abf86e0c908fdeca6fb315fe.exe

Drops file in Windows directory 1 IoCs

Processes:

13a1c548abf86e0c908fdeca6fb315fe.exe

description ioc process

File opened for modification C:\Windows\svchost.com 13a1c548abf86e0c908fdeca6fb315fe.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	13a1c548abf86e0c908fdeca6fb315fe.exe

Modifies registry class 1 IoCs

Processes:

13a1c548abf86e0c908fdeca6fb315fe.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Windows\\svchost.com \"%1\" %*"	13a1c548abf86e0c908fdeca6fb315fe.exe

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

13a1c548abf86e0c908fdeca6fb315fe.exe

description	pid	process	target process
PID 664 wrote to memory of 948	664	13a1c548abf86e0c908fdeca6fb315fe.exe	13a1c548abf86e0c908fdeca6fb315fe.exe
PID 664 wrote to memory of 948	664	13a1c548abf86e0c908fdeca6fb315fe.exe	13a1c548abf86e0c908fdeca6fb315fe.exe
PID 664 wrote to memory of 948	664	13a1c548abf86e0c908fdeca6fb315fe.exe	13a1c548abf86e0c908fdeca6fb315fe.exe
PID 664 wrote to memory of 948	664	13a1c548abf86e0c908fdeca6fb315fe.exe	13a1c548abf86e0c908fdeca6fb315fe.exe
PID 664 wrote to memory of 948	664	13a1c548abf86e0c908fdeca6fb315fe.exe	13a1c548abf86e0c908fdeca6fb315fe.exe
PID 664 wrote to memory of 948	664	13a1c548abf86e0c908fdeca6fb315fe.exe	13a1c548abf86e0c908fdeca6fb315fe.exe
PID 664 wrote to memory of 948	664	13a1c548abf86e0c908fdeca6fb315fe.exe	13a1c548abf86e0c908fdeca6fb315fe.exe
PID 664 wrote to memory of 948	664	13a1c548abf86e0c908fdeca6fb315fe.exe	13a1c548abf86e0c908fdeca6fb315fe.exe
PID 664 wrote to memory of 948	664	13a1c548abf86e0c908fdeca6fb315fe.exe	13a1c548abf86e0c908fdeca6fb315fe.exe
PID 664 wrote to memory of 948	664	13a1c548abf86e0c908fdeca6fb315fe.exe	13a1c548abf86e0c908fdeca6fb315fe.exe
PID 664 wrote to memory of 948	664	13a1c548abf86e0c908fdeca6fb315fe.exe	13a1c548abf86e0c908fdeca6fb315fe.exe

C:\Users\Admin\AppData\Local\Temp\13a1c548abf86e0c908fdeca6fb315fe.exe
"C:\Users\Admin\AppData\Local\Temp\13a1c548abf86e0c908fdeca6fb315fe.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:664

C:\Users\Admin\AppData\Local\Temp\13a1c548abf86e0c908fdeca6fb315fe.exe
"C:\Users\Admin\AppData\Local\Temp\13a1c548abf86e0c908fdeca6fb315fe.exe"
2⤵
- Modifies system executable filetype association
- Drops file in Program Files directory
- Drops file in Windows directory
- Modifies registry class
PID:948

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

Credentials in Files

1

T1081

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Data from Local System

1

T1005

Command and Control

Exfiltration

Impact

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Downloads

memory/664-114-0x0000000000850000-0x0000000000851000-memory.dmp

Filesize
4KB

Download
memory/664-116-0x0000000005780000-0x0000000005781000-memory.dmp

Filesize
4KB

Download
memory/664-117-0x0000000005320000-0x0000000005321000-memory.dmp

Filesize
4KB

Download
memory/664-118-0x0000000005280000-0x000000000577E000-memory.dmp

Filesize
5.0MB

Download
memory/664-119-0x00000000052E0000-0x00000000052E1000-memory.dmp

Filesize
4KB

Download
memory/664-120-0x0000000007700000-0x0000000007711000-memory.dmp

Filesize
68KB

Download
memory/664-121-0x0000000007720000-0x0000000007721000-memory.dmp

Filesize
4KB

Download
memory/664-122-0x0000000007950000-0x00000000079A6000-memory.dmp

Filesize
344KB

Download
memory/948-123-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/948-124-0x00000000004080E4-mapping.dmp

Download
memory/948-125-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads