neshta | b5747ae3bf18d93175f58ddda7b333be165418ed66cb9daafe09a8cfe9d87863

General

Target

b5747ae3bf18d93175f58ddda7b333be165418ed66cb9daafe09a8cfe9d87863N.exe
Size

223KB
MD5

41884f63add38b5d09ad352c471feb20
SHA1

978d51163a3415ab4f27781184302c98d23172c4
SHA256

b5747ae3bf18d93175f58ddda7b333be165418ed66cb9daafe09a8cfe9d87863
SHA512

2cffd7ec6b46373aafd802731fb56598283d861f3f9a96b4a05991716c900119cf812ea94ff062c995446cd57833a03dc73c48cb26205a5eea5d12923c764526
SSDEEP

3072:sr85CYo3hcEuY5KTe/E+EyesA8aNCyLv2NdMTXWZRJN+di66:k9IEuOE+EyJHaNCyjwv+d76

Score

10^/10

neshta discovery persistence spyware stealer

Malware Config

Signatures

Detect Neshta payload 5 IoCs

Processes:

resource	yara_rule
C:\PROGRA~2\Adobe\ACROBA~1\Reader\ACROTE~1.EXE	family_neshta
behavioral2/memory/3624-94-0x0000000000400000-0x000000000041B000-memory.dmp	family_neshta
behavioral2/memory/3624-95-0x0000000000400000-0x000000000041B000-memory.dmp	family_neshta
behavioral2/memory/3624-96-0x0000000000400000-0x000000000041B000-memory.dmp	family_neshta
behavioral2/memory/3624-98-0x0000000000400000-0x000000000041B000-memory.dmp	family_neshta

Neshta
Malware from the neshta family is designed to infect itself into other files to spread itself and cause damage.
persistence spyware neshta
Neshta family
neshta

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:

b5747ae3bf18d93175f58ddda7b333be165418ed66cb9daafe09a8cfe9d87863N.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\Control Panel\International\Geo\Nation	b5747ae3bf18d93175f58ddda7b333be165418ed66cb9daafe09a8cfe9d87863N.exe

Executes dropped EXE 1 IoCs

Processes:

b5747ae3bf18d93175f58ddda7b333be165418ed66cb9daafe09a8cfe9d87863N.exe

pid process

956 b5747ae3bf18d93175f58ddda7b333be165418ed66cb9daafe09a8cfe9d87863N.exe

pid	process
956	b5747ae3bf18d93175f58ddda7b333be165418ed66cb9daafe09a8cfe9d87863N.exe

Modifies system executable filetype association 2 TTPs 1 IoCs

persistence

Modify Registry

T1112

Change Default File Association

T1546.001

Processes:

b5747ae3bf18d93175f58ddda7b333be165418ed66cb9daafe09a8cfe9d87863N.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Windows\\svchost.com \"%1\" %*"	b5747ae3bf18d93175f58ddda7b333be165418ed66cb9daafe09a8cfe9d87863N.exe

Reads user/profile data of web browsers 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001

Credentials from Web Browsers
T1555.003

Drops file in Program Files directory 64 IoCs

Processes:

b5747ae3bf18d93175f58ddda7b333be165418ed66cb9daafe09a8cfe9d87863N.exe

description	ioc	process
File opened for modification	C:\PROGRA~3\PACKAG~1\{CA675~1\VCREDI~1.EXE	b5747ae3bf18d93175f58ddda7b333be165418ed66cb9daafe09a8cfe9d87863N.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\Browser\WCCHRO~1\WCCHRO~1.EXE	b5747ae3bf18d93175f58ddda7b333be165418ed66cb9daafe09a8cfe9d87863N.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\FULLTR~1.EXE	b5747ae3bf18d93175f58ddda7b333be165418ed66cb9daafe09a8cfe9d87863N.exe
File opened for modification	C:\PROGRA~2\COMMON~1\Oracle\Java\javapath\javaws.exe	b5747ae3bf18d93175f58ddda7b333be165418ed66cb9daafe09a8cfe9d87863N.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\PWAHEL~1.EXE	b5747ae3bf18d93175f58ddda7b333be165418ed66cb9daafe09a8cfe9d87863N.exe
File opened for modification	C:\PROGRA~2\MICROS~1\EDGEUP~1\13147~1.37\MICROS~2.EXE	b5747ae3bf18d93175f58ddda7b333be165418ed66cb9daafe09a8cfe9d87863N.exe
File opened for modification	C:\PROGRA~2\MICROS~1\EDGEUP~1\13147~1.37\MIA062~1.EXE	b5747ae3bf18d93175f58ddda7b333be165418ed66cb9daafe09a8cfe9d87863N.exe
File opened for modification	C:\PROGRA~2\WINDOW~2\wabmig.exe	b5747ae3bf18d93175f58ddda7b333be165418ed66cb9daafe09a8cfe9d87863N.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\LOGTRA~1.EXE	b5747ae3bf18d93175f58ddda7b333be165418ed66cb9daafe09a8cfe9d87863N.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\plug_ins\PI_BRO~1\64BITM~1.EXE	b5747ae3bf18d93175f58ddda7b333be165418ed66cb9daafe09a8cfe9d87863N.exe
File opened for modification	C:\PROGRA~2\WINDOW~3\ACCESS~1\wordpad.exe	b5747ae3bf18d93175f58ddda7b333be165418ed66cb9daafe09a8cfe9d87863N.exe
File opened for modification	C:\PROGRA~3\Adobe\Setup\{AC76B~1\setup.exe	b5747ae3bf18d93175f58ddda7b333be165418ed66cb9daafe09a8cfe9d87863N.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\arh.exe	b5747ae3bf18d93175f58ddda7b333be165418ed66cb9daafe09a8cfe9d87863N.exe
File opened for modification	C:\PROGRA~2\INTERN~1\ExtExport.exe	b5747ae3bf18d93175f58ddda7b333be165418ed66cb9daafe09a8cfe9d87863N.exe
File opened for modification	C:\PROGRA~2\INTERN~1\ielowutil.exe	b5747ae3bf18d93175f58ddda7b333be165418ed66cb9daafe09a8cfe9d87863N.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\ELEVAT~1.EXE	b5747ae3bf18d93175f58ddda7b333be165418ed66cb9daafe09a8cfe9d87863N.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\NOTIFI~1.EXE	b5747ae3bf18d93175f58ddda7b333be165418ed66cb9daafe09a8cfe9d87863N.exe
File opened for modification	C:\PROGRA~2\WINDOW~4\wmlaunch.exe	b5747ae3bf18d93175f58ddda7b333be165418ed66cb9daafe09a8cfe9d87863N.exe
File opened for modification	C:\PROGRA~2\WI8A19~1\ImagingDevices.exe	b5747ae3bf18d93175f58ddda7b333be165418ed66cb9daafe09a8cfe9d87863N.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{4D8DC~1\VC_RED~1.EXE	b5747ae3bf18d93175f58ddda7b333be165418ed66cb9daafe09a8cfe9d87863N.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\AcroRd32.exe	b5747ae3bf18d93175f58ddda7b333be165418ed66cb9daafe09a8cfe9d87863N.exe
File opened for modification	C:\PROGRA~2\COMMON~1\Java\JAVAUP~1\jaureg.exe	b5747ae3bf18d93175f58ddda7b333be165418ed66cb9daafe09a8cfe9d87863N.exe
File opened for modification	C:\PROGRA~2\MICROS~1\EDGEUP~1\13147~1.37\MID1AD~1.EXE	b5747ae3bf18d93175f58ddda7b333be165418ed66cb9daafe09a8cfe9d87863N.exe
File opened for modification	C:\PROGRA~2\MICROS~1\EDGEUP~1\13147~1.37\MI9C33~1.EXE	b5747ae3bf18d93175f58ddda7b333be165418ed66cb9daafe09a8cfe9d87863N.exe
File opened for modification	C:\PROGRA~2\WINDOW~4\wmpconfig.exe	b5747ae3bf18d93175f58ddda7b333be165418ed66cb9daafe09a8cfe9d87863N.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{61087~1\VCREDI~1.EXE	b5747ae3bf18d93175f58ddda7b333be165418ed66cb9daafe09a8cfe9d87863N.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{EF5AF~1\WINDOW~1.EXE	b5747ae3bf18d93175f58ddda7b333be165418ed66cb9daafe09a8cfe9d87863N.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\ACROBR~1.EXE	b5747ae3bf18d93175f58ddda7b333be165418ed66cb9daafe09a8cfe9d87863N.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\READER~1.EXE	b5747ae3bf18d93175f58ddda7b333be165418ed66cb9daafe09a8cfe9d87863N.exe
File opened for modification	C:\PROGRA~2\MICROS~1\EDGEUP~1\13147~1.37\MICROS~4.EXE	b5747ae3bf18d93175f58ddda7b333be165418ed66cb9daafe09a8cfe9d87863N.exe
File opened for modification	C:\PROGRA~2\WINDOW~4\wmpshare.exe	b5747ae3bf18d93175f58ddda7b333be165418ed66cb9daafe09a8cfe9d87863N.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.371\GOOGLE~1.EXE	b5747ae3bf18d93175f58ddda7b333be165418ed66cb9daafe09a8cfe9d87863N.exe
File opened for modification	C:\PROGRA~2\MOZILL~1\UNINST~1.EXE	b5747ae3bf18d93175f58ddda7b333be165418ed66cb9daafe09a8cfe9d87863N.exe
File opened for modification	C:\PROGRA~2\WINDOW~4\wmplayer.exe	b5747ae3bf18d93175f58ddda7b333be165418ed66cb9daafe09a8cfe9d87863N.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{D87AE~1\WINDOW~1.EXE	b5747ae3bf18d93175f58ddda7b333be165418ed66cb9daafe09a8cfe9d87863N.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\AcroCEF\RdrCEF.exe	b5747ae3bf18d93175f58ddda7b333be165418ed66cb9daafe09a8cfe9d87863N.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\ADOBEC~1.EXE	b5747ae3bf18d93175f58ddda7b333be165418ed66cb9daafe09a8cfe9d87863N.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\plug_ins\PI_BRO~1\32BITM~1.EXE	b5747ae3bf18d93175f58ddda7b333be165418ed66cb9daafe09a8cfe9d87863N.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\MSInfo\msinfo32.exe	b5747ae3bf18d93175f58ddda7b333be165418ed66cb9daafe09a8cfe9d87863N.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\VSTO\10.0\VSTOIN~1.EXE	b5747ae3bf18d93175f58ddda7b333be165418ed66cb9daafe09a8cfe9d87863N.exe
File opened for modification	C:\PROGRA~2\MOZILL~1\MAINTE~1.EXE	b5747ae3bf18d93175f58ddda7b333be165418ed66cb9daafe09a8cfe9d87863N.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\ACROTE~1.EXE	b5747ae3bf18d93175f58ddda7b333be165418ed66cb9daafe09a8cfe9d87863N.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\ADelRCP.exe	b5747ae3bf18d93175f58ddda7b333be165418ed66cb9daafe09a8cfe9d87863N.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.371\GOF5E2~1.EXE	b5747ae3bf18d93175f58ddda7b333be165418ed66cb9daafe09a8cfe9d87863N.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\IDENTI~1.EXE	b5747ae3bf18d93175f58ddda7b333be165418ed66cb9daafe09a8cfe9d87863N.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\INSTAL~1\setup.exe	b5747ae3bf18d93175f58ddda7b333be165418ed66cb9daafe09a8cfe9d87863N.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{63880~1\WINDOW~1.EXE	b5747ae3bf18d93175f58ddda7b333be165418ed66cb9daafe09a8cfe9d87863N.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\Eula.exe	b5747ae3bf18d93175f58ddda7b333be165418ed66cb9daafe09a8cfe9d87863N.exe
File opened for modification	C:\PROGRA~2\COMMON~1\Oracle\Java\javapath\javaw.exe	b5747ae3bf18d93175f58ddda7b333be165418ed66cb9daafe09a8cfe9d87863N.exe
File opened for modification	C:\PROGRA~2\Google\Update\DISABL~1.EXE	b5747ae3bf18d93175f58ddda7b333be165418ed66cb9daafe09a8cfe9d87863N.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\MSEDGE~3.EXE	b5747ae3bf18d93175f58ddda7b333be165418ed66cb9daafe09a8cfe9d87863N.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\msedge.exe	b5747ae3bf18d93175f58ddda7b333be165418ed66cb9daafe09a8cfe9d87863N.exe
File opened for modification	C:\PROGRA~2\MICROS~1\EDGEUP~1\13147~1.37\MICROS~1.EXE	b5747ae3bf18d93175f58ddda7b333be165418ed66cb9daafe09a8cfe9d87863N.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{EF6B0~1\VCREDI~1.EXE	b5747ae3bf18d93175f58ddda7b333be165418ed66cb9daafe09a8cfe9d87863N.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\WOW_HE~1.EXE	b5747ae3bf18d93175f58ddda7b333be165418ed66cb9daafe09a8cfe9d87863N.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.371\GO664E~1.EXE	b5747ae3bf18d93175f58ddda7b333be165418ed66cb9daafe09a8cfe9d87863N.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.371\GOBD5D~1.EXE	b5747ae3bf18d93175f58ddda7b333be165418ed66cb9daafe09a8cfe9d87863N.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\msedge.exe	b5747ae3bf18d93175f58ddda7b333be165418ed66cb9daafe09a8cfe9d87863N.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.371\GOOGLE~3.EXE	b5747ae3bf18d93175f58ddda7b333be165418ed66cb9daafe09a8cfe9d87863N.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.371\GOOGLE~4.EXE	b5747ae3bf18d93175f58ddda7b333be165418ed66cb9daafe09a8cfe9d87863N.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\BHO\IE_TO_~1.EXE	b5747ae3bf18d93175f58ddda7b333be165418ed66cb9daafe09a8cfe9d87863N.exe
File opened for modification	C:\PROGRA~2\WINDOW~4\wmprph.exe	b5747ae3bf18d93175f58ddda7b333be165418ed66cb9daafe09a8cfe9d87863N.exe
File opened for modification	C:\PROGRA~2\COMMON~1\Adobe\ARM\1.0\ADOBEA~1.EXE	b5747ae3bf18d93175f58ddda7b333be165418ed66cb9daafe09a8cfe9d87863N.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\MSEDGE~1.EXE	b5747ae3bf18d93175f58ddda7b333be165418ed66cb9daafe09a8cfe9d87863N.exe

Drops file in Windows directory 1 IoCs

Processes:

b5747ae3bf18d93175f58ddda7b333be165418ed66cb9daafe09a8cfe9d87863N.exe

description ioc process

File opened for modification C:\Windows\svchost.com b5747ae3bf18d93175f58ddda7b333be165418ed66cb9daafe09a8cfe9d87863N.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

description	ioc	process
File opened for modification	C:\Windows\svchost.com	b5747ae3bf18d93175f58ddda7b333be165418ed66cb9daafe09a8cfe9d87863N.exe

System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

Processes:

b5747ae3bf18d93175f58ddda7b333be165418ed66cb9daafe09a8cfe9d87863N.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	b5747ae3bf18d93175f58ddda7b333be165418ed66cb9daafe09a8cfe9d87863N.exe

Modifies registry class 1 IoCs

Processes:

b5747ae3bf18d93175f58ddda7b333be165418ed66cb9daafe09a8cfe9d87863N.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Windows\\svchost.com \"%1\" %*"	b5747ae3bf18d93175f58ddda7b333be165418ed66cb9daafe09a8cfe9d87863N.exe

Suspicious use of WriteProcessMemory 2 IoCs

Processes:

b5747ae3bf18d93175f58ddda7b333be165418ed66cb9daafe09a8cfe9d87863N.exe

description	pid	process	target process
PID 3624 wrote to memory of 956	3624	b5747ae3bf18d93175f58ddda7b333be165418ed66cb9daafe09a8cfe9d87863N.exe	b5747ae3bf18d93175f58ddda7b333be165418ed66cb9daafe09a8cfe9d87863N.exe
PID 3624 wrote to memory of 956	3624	b5747ae3bf18d93175f58ddda7b333be165418ed66cb9daafe09a8cfe9d87863N.exe	b5747ae3bf18d93175f58ddda7b333be165418ed66cb9daafe09a8cfe9d87863N.exe

C:\Users\Admin\AppData\Local\Temp\b5747ae3bf18d93175f58ddda7b333be165418ed66cb9daafe09a8cfe9d87863N.exe
"C:\Users\Admin\AppData\Local\Temp\b5747ae3bf18d93175f58ddda7b333be165418ed66cb9daafe09a8cfe9d87863N.exe"
1⤵
- Checks computer location settings
- Modifies system executable filetype association
- Drops file in Program Files directory
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:3624
- C:\Users\Admin\AppData\Local\Temp\3582-490\b5747ae3bf18d93175f58ddda7b333be165418ed66cb9daafe09a8cfe9d87863N.exe
  "C:\Users\Admin\AppData\Local\Temp\3582-490\b5747ae3bf18d93175f58ddda7b333be165418ed66cb9daafe09a8cfe9d87863N.exe"
  2⤵
  - Executes dropped EXE
  PID:956

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Event Triggered Execution

1

T1546

Change Default File Association

1

T1546.001

Privilege Escalation

Event Triggered Execution

1

T1546

Change Default File Association

1

T1546.001

Defense Evasion

Modify Registry

1

T1112

Credential Access

Credentials from Password Stores

1

T1555

Credentials from Web Browsers

1

T1555.003

Unsecured Credentials

1

T1552

Credentials In Files

1

T1552.001

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Data from Local System

1

T1005

Command and Control

Exfiltration

Impact

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Downloads

C:\PROGRA~2\Adobe\ACROBA~1\Reader\ACROTE~1.EXE

Filesize
86KB

MD5
3b73078a714bf61d1c19ebc3afc0e454

SHA1
9abeabd74613a2f533e2244c9ee6f967188e4e7e

SHA256
ded54d1fcca07b6bff2bc3b9a1131eac29ff1f836e5d7a7c5c325ec5abe96e29

SHA512
75959d4e8a7649c3268b551a2a378e6d27c0bfb03d2422ebeeb67b0a3f78c079473214057518930f2d72773ce79b106fd2d78405e8e3d8883459dcbb49c163c4

Download Submit
C:\Users\Admin\AppData\Local\Temp\3582-490\b5747ae3bf18d93175f58ddda7b333be165418ed66cb9daafe09a8cfe9d87863N.exe

Filesize
183KB

MD5
bab2fa70a8548fd706683e9c330dbce7

SHA1
03b8311c24fce33614932f0c57808f2c47c50001

SHA256
8b3b9ddde5ee2221580ee64ea40eac12f8fa0c0301ad280d1d3c088084eee10d

SHA512
3a49e66163d4e0e3e256d6ea2ceee8f476a830ab99c95bcae25aebb6c7414049dde04777449a34c7e51b15911c54143df1e7577683d729638475f1a0966385bf

Download Submit
memory/3624-94-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/3624-95-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/3624-96-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/3624-98-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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