neshta | b670974df7d56d22038c00af4f5f19b2062fa6a6fe24e339f05a8dec8eb356dd

General

Target

b670974df7d56d22038c00af4f5f19b2062fa6a6fe24e339f05a8dec8eb356ddN.exe
Size

702KB
MD5

31218c782b3837e4efd3ef3ab7e932e0
SHA1

1ee215fb9b409f4d10fba323706a4c9c13822fa2
SHA256

b670974df7d56d22038c00af4f5f19b2062fa6a6fe24e339f05a8dec8eb356dd
SHA512

4023320de0c40ebe908b8f176bf8184ecd847d99536acd09d348ce1d2cb64c0431567a70404775012a61c6f9b501ee6f08c43622d9beee42962fd6d3400e5efe
SSDEEP

6144:k9OkMoPOqNjsusisP5N1akMoPOqNjsusisPpBnV4M:sz5Kz5gn

Score

10^/10

neshta discovery persistence spyware stealer

Malware Config

Signatures

Detect Neshta payload 4 IoCs

Processes:

resource	yara_rule
C:\PROGRA~2\Adobe\ACROBA~1\Reader\ACROTE~1.EXE	family_neshta
behavioral2/memory/5064-97-0x0000000000400000-0x000000000041B000-memory.dmp	family_neshta
behavioral2/memory/5064-98-0x0000000000400000-0x000000000041B000-memory.dmp	family_neshta
behavioral2/memory/5064-100-0x0000000000400000-0x000000000041B000-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:

b670974df7d56d22038c00af4f5f19b2062fa6a6fe24e339f05a8dec8eb356ddN.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\Control Panel\International\Geo\Nation	b670974df7d56d22038c00af4f5f19b2062fa6a6fe24e339f05a8dec8eb356ddN.exe

Executes dropped EXE 1 IoCs

Processes:

b670974df7d56d22038c00af4f5f19b2062fa6a6fe24e339f05a8dec8eb356ddN.exe

pid process

3868 b670974df7d56d22038c00af4f5f19b2062fa6a6fe24e339f05a8dec8eb356ddN.exe

pid	process
3868	b670974df7d56d22038c00af4f5f19b2062fa6a6fe24e339f05a8dec8eb356ddN.exe

Modifies system executable filetype association 2 TTPs 1 IoCs

persistence

Modify Registry

T1112

Change Default File Association

T1546.001

Processes:

b670974df7d56d22038c00af4f5f19b2062fa6a6fe24e339f05a8dec8eb356ddN.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Windows\\svchost.com \"%1\" %*"	b670974df7d56d22038c00af4f5f19b2062fa6a6fe24e339f05a8dec8eb356ddN.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:

b670974df7d56d22038c00af4f5f19b2062fa6a6fe24e339f05a8dec8eb356ddN.exe

description	ioc	process
File opened for modification	C:\PROGRA~2\MICROS~1\EDGEUP~1\13147~1.37\MI9C33~1.EXE	b670974df7d56d22038c00af4f5f19b2062fa6a6fe24e339f05a8dec8eb356ddN.exe
File opened for modification	C:\PROGRA~2\MOZILL~1\UNINST~1.EXE	b670974df7d56d22038c00af4f5f19b2062fa6a6fe24e339f05a8dec8eb356ddN.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{61087~1\VCREDI~1.EXE	b670974df7d56d22038c00af4f5f19b2062fa6a6fe24e339f05a8dec8eb356ddN.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\AcroRd32.exe	b670974df7d56d22038c00af4f5f19b2062fa6a6fe24e339f05a8dec8eb356ddN.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\arh.exe	b670974df7d56d22038c00af4f5f19b2062fa6a6fe24e339f05a8dec8eb356ddN.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\plug_ins\PI_BRO~1\32BITM~1.EXE	b670974df7d56d22038c00af4f5f19b2062fa6a6fe24e339f05a8dec8eb356ddN.exe
File opened for modification	C:\PROGRA~2\COMMON~1\Oracle\Java\javapath\java.exe	b670974df7d56d22038c00af4f5f19b2062fa6a6fe24e339f05a8dec8eb356ddN.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.371\GOF5E2~1.EXE	b670974df7d56d22038c00af4f5f19b2062fa6a6fe24e339f05a8dec8eb356ddN.exe
File opened for modification	C:\PROGRA~2\WINDOW~4\wmplayer.exe	b670974df7d56d22038c00af4f5f19b2062fa6a6fe24e339f05a8dec8eb356ddN.exe
File opened for modification	C:\PROGRA~2\WINDOW~4\wmprph.exe	b670974df7d56d22038c00af4f5f19b2062fa6a6fe24e339f05a8dec8eb356ddN.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\plug_ins\PI_BRO~1\64BITM~1.EXE	b670974df7d56d22038c00af4f5f19b2062fa6a6fe24e339f05a8dec8eb356ddN.exe
File opened for modification	C:\PROGRA~2\INTERN~1\ExtExport.exe	b670974df7d56d22038c00af4f5f19b2062fa6a6fe24e339f05a8dec8eb356ddN.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\MSEDGE~1.EXE	b670974df7d56d22038c00af4f5f19b2062fa6a6fe24e339f05a8dec8eb356ddN.exe
File opened for modification	C:\PROGRA~2\WINDOW~2\wab.exe	b670974df7d56d22038c00af4f5f19b2062fa6a6fe24e339f05a8dec8eb356ddN.exe
File opened for modification	C:\PROGRA~2\WINDOW~4\wmlaunch.exe	b670974df7d56d22038c00af4f5f19b2062fa6a6fe24e339f05a8dec8eb356ddN.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\MSEDGE~3.EXE	b670974df7d56d22038c00af4f5f19b2062fa6a6fe24e339f05a8dec8eb356ddN.exe
File opened for modification	C:\PROGRA~2\WINDOW~3\ACCESS~1\wordpad.exe	b670974df7d56d22038c00af4f5f19b2062fa6a6fe24e339f05a8dec8eb356ddN.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\Browser\WCCHRO~1\WCCHRO~1.EXE	b670974df7d56d22038c00af4f5f19b2062fa6a6fe24e339f05a8dec8eb356ddN.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\MSInfo\msinfo32.exe	b670974df7d56d22038c00af4f5f19b2062fa6a6fe24e339f05a8dec8eb356ddN.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.371\GOOGLE~1.EXE	b670974df7d56d22038c00af4f5f19b2062fa6a6fe24e339f05a8dec8eb356ddN.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.371\GOBD5D~1.EXE	b670974df7d56d22038c00af4f5f19b2062fa6a6fe24e339f05a8dec8eb356ddN.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\BHO\IE_TO_~1.EXE	b670974df7d56d22038c00af4f5f19b2062fa6a6fe24e339f05a8dec8eb356ddN.exe
File opened for modification	C:\PROGRA~3\MICROS~1\CLICKT~1\{9AC08~1\INTEGR~1.EXE	b670974df7d56d22038c00af4f5f19b2062fa6a6fe24e339f05a8dec8eb356ddN.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\ADOBEC~1.EXE	b670974df7d56d22038c00af4f5f19b2062fa6a6fe24e339f05a8dec8eb356ddN.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.371\GOOGLE~4.EXE	b670974df7d56d22038c00af4f5f19b2062fa6a6fe24e339f05a8dec8eb356ddN.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.371\GOOGLE~2.EXE	b670974df7d56d22038c00af4f5f19b2062fa6a6fe24e339f05a8dec8eb356ddN.exe
File opened for modification	C:\PROGRA~2\INTERN~1\ielowutil.exe	b670974df7d56d22038c00af4f5f19b2062fa6a6fe24e339f05a8dec8eb356ddN.exe
File opened for modification	C:\PROGRA~2\WINDOW~4\wmpshare.exe	b670974df7d56d22038c00af4f5f19b2062fa6a6fe24e339f05a8dec8eb356ddN.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\VSTO\10.0\VSTOIN~1.EXE	b670974df7d56d22038c00af4f5f19b2062fa6a6fe24e339f05a8dec8eb356ddN.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.371\GO664E~1.EXE	b670974df7d56d22038c00af4f5f19b2062fa6a6fe24e339f05a8dec8eb356ddN.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\NOTIFI~1.EXE	b670974df7d56d22038c00af4f5f19b2062fa6a6fe24e339f05a8dec8eb356ddN.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\msedge.exe	b670974df7d56d22038c00af4f5f19b2062fa6a6fe24e339f05a8dec8eb356ddN.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\AcroCEF\RdrCEF.exe	b670974df7d56d22038c00af4f5f19b2062fa6a6fe24e339f05a8dec8eb356ddN.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\FULLTR~1.EXE	b670974df7d56d22038c00af4f5f19b2062fa6a6fe24e339f05a8dec8eb356ddN.exe
File opened for modification	C:\PROGRA~2\MICROS~1\EDGEUP~1\13147~1.37\MIA062~1.EXE	b670974df7d56d22038c00af4f5f19b2062fa6a6fe24e339f05a8dec8eb356ddN.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{EF5AF~1\WINDOW~1.EXE	b670974df7d56d22038c00af4f5f19b2062fa6a6fe24e339f05a8dec8eb356ddN.exe
File opened for modification	C:\PROGRA~2\MICROS~1\EDGEUP~1\13147~1.37\MICROS~4.EXE	b670974df7d56d22038c00af4f5f19b2062fa6a6fe24e339f05a8dec8eb356ddN.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{D87AE~1\WINDOW~1.EXE	b670974df7d56d22038c00af4f5f19b2062fa6a6fe24e339f05a8dec8eb356ddN.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\LOGTRA~1.EXE	b670974df7d56d22038c00af4f5f19b2062fa6a6fe24e339f05a8dec8eb356ddN.exe
File opened for modification	C:\PROGRA~2\COMMON~1\Adobe\ARM\1.0\ADOBEA~1.EXE	b670974df7d56d22038c00af4f5f19b2062fa6a6fe24e339f05a8dec8eb356ddN.exe
File opened for modification	C:\PROGRA~2\COMMON~1\Oracle\Java\javapath\javaw.exe	b670974df7d56d22038c00af4f5f19b2062fa6a6fe24e339f05a8dec8eb356ddN.exe
File opened for modification	C:\PROGRA~2\COMMON~1\Oracle\Java\javapath\javaws.exe	b670974df7d56d22038c00af4f5f19b2062fa6a6fe24e339f05a8dec8eb356ddN.exe
File opened for modification	C:\PROGRA~2\MICROS~1\EDGEUP~1\13147~1.37\MICROS~3.EXE	b670974df7d56d22038c00af4f5f19b2062fa6a6fe24e339f05a8dec8eb356ddN.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.371\GOOGLE~3.EXE	b670974df7d56d22038c00af4f5f19b2062fa6a6fe24e339f05a8dec8eb356ddN.exe
File opened for modification	C:\PROGRA~2\INTERN~1\iexplore.exe	b670974df7d56d22038c00af4f5f19b2062fa6a6fe24e339f05a8dec8eb356ddN.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\ELEVAT~1.EXE	b670974df7d56d22038c00af4f5f19b2062fa6a6fe24e339f05a8dec8eb356ddN.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\MSEDGE~1.EXE	b670974df7d56d22038c00af4f5f19b2062fa6a6fe24e339f05a8dec8eb356ddN.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\Eula.exe	b670974df7d56d22038c00af4f5f19b2062fa6a6fe24e339f05a8dec8eb356ddN.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\INSTAL~1\setup.exe	b670974df7d56d22038c00af4f5f19b2062fa6a6fe24e339f05a8dec8eb356ddN.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\msedge.exe	b670974df7d56d22038c00af4f5f19b2062fa6a6fe24e339f05a8dec8eb356ddN.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\MSEDGE~2.EXE	b670974df7d56d22038c00af4f5f19b2062fa6a6fe24e339f05a8dec8eb356ddN.exe
File opened for modification	C:\PROGRA~2\MICROS~1\EDGEUP~1\13147~1.37\MID1AD~1.EXE	b670974df7d56d22038c00af4f5f19b2062fa6a6fe24e339f05a8dec8eb356ddN.exe
File opened for modification	C:\PROGRA~2\WINDOW~2\wabmig.exe	b670974df7d56d22038c00af4f5f19b2062fa6a6fe24e339f05a8dec8eb356ddN.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{33D1F~1\VCREDI~1.EXE	b670974df7d56d22038c00af4f5f19b2062fa6a6fe24e339f05a8dec8eb356ddN.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{57A73~1\VC_RED~1.EXE	b670974df7d56d22038c00af4f5f19b2062fa6a6fe24e339f05a8dec8eb356ddN.exe
File opened for modification	C:\PROGRA~2\INTERN~1\ieinstal.exe	b670974df7d56d22038c00af4f5f19b2062fa6a6fe24e339f05a8dec8eb356ddN.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\COOKIE~1.EXE	b670974df7d56d22038c00af4f5f19b2062fa6a6fe24e339f05a8dec8eb356ddN.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\IDENTI~1.EXE	b670974df7d56d22038c00af4f5f19b2062fa6a6fe24e339f05a8dec8eb356ddN.exe
File opened for modification	C:\PROGRA~2\MICROS~1\EDGEUP~1\13147~1.37\MICROS~1.EXE	b670974df7d56d22038c00af4f5f19b2062fa6a6fe24e339f05a8dec8eb356ddN.exe
File opened for modification	C:\PROGRA~2\MOZILL~1\MAINTE~1.EXE	b670974df7d56d22038c00af4f5f19b2062fa6a6fe24e339f05a8dec8eb356ddN.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\ADelRCP.exe	b670974df7d56d22038c00af4f5f19b2062fa6a6fe24e339f05a8dec8eb356ddN.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\READER~1.EXE	b670974df7d56d22038c00af4f5f19b2062fa6a6fe24e339f05a8dec8eb356ddN.exe
File opened for modification	C:\PROGRA~2\WINDOW~4\setup_wm.exe	b670974df7d56d22038c00af4f5f19b2062fa6a6fe24e339f05a8dec8eb356ddN.exe
File opened for modification	C:\PROGRA~3\Adobe\Setup\{AC76B~1\setup.exe	b670974df7d56d22038c00af4f5f19b2062fa6a6fe24e339f05a8dec8eb356ddN.exe

Drops file in Windows directory 1 IoCs

Processes:

b670974df7d56d22038c00af4f5f19b2062fa6a6fe24e339f05a8dec8eb356ddN.exe

description ioc process

File opened for modification C:\Windows\svchost.com b670974df7d56d22038c00af4f5f19b2062fa6a6fe24e339f05a8dec8eb356ddN.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	b670974df7d56d22038c00af4f5f19b2062fa6a6fe24e339f05a8dec8eb356ddN.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:

b670974df7d56d22038c00af4f5f19b2062fa6a6fe24e339f05a8dec8eb356ddN.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	b670974df7d56d22038c00af4f5f19b2062fa6a6fe24e339f05a8dec8eb356ddN.exe

Modifies registry class 1 IoCs

Processes:

b670974df7d56d22038c00af4f5f19b2062fa6a6fe24e339f05a8dec8eb356ddN.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Windows\\svchost.com \"%1\" %*"	b670974df7d56d22038c00af4f5f19b2062fa6a6fe24e339f05a8dec8eb356ddN.exe

Suspicious use of WriteProcessMemory 2 IoCs

Processes:

b670974df7d56d22038c00af4f5f19b2062fa6a6fe24e339f05a8dec8eb356ddN.exe

description	pid	process	target process
PID 5064 wrote to memory of 3868	5064	b670974df7d56d22038c00af4f5f19b2062fa6a6fe24e339f05a8dec8eb356ddN.exe	b670974df7d56d22038c00af4f5f19b2062fa6a6fe24e339f05a8dec8eb356ddN.exe
PID 5064 wrote to memory of 3868	5064	b670974df7d56d22038c00af4f5f19b2062fa6a6fe24e339f05a8dec8eb356ddN.exe	b670974df7d56d22038c00af4f5f19b2062fa6a6fe24e339f05a8dec8eb356ddN.exe

C:\Users\Admin\AppData\Local\Temp\b670974df7d56d22038c00af4f5f19b2062fa6a6fe24e339f05a8dec8eb356ddN.exe
"C:\Users\Admin\AppData\Local\Temp\b670974df7d56d22038c00af4f5f19b2062fa6a6fe24e339f05a8dec8eb356ddN.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:5064
- C:\Users\Admin\AppData\Local\Temp\3582-490\b670974df7d56d22038c00af4f5f19b2062fa6a6fe24e339f05a8dec8eb356ddN.exe
  "C:\Users\Admin\AppData\Local\Temp\3582-490\b670974df7d56d22038c00af4f5f19b2062fa6a6fe24e339f05a8dec8eb356ddN.exe"
  2⤵
  - Executes dropped EXE
  PID:3868

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

Replay Monitor

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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\b670974df7d56d22038c00af4f5f19b2062fa6a6fe24e339f05a8dec8eb356ddN.exe

Filesize
661KB

MD5
f1f54763cef3e3d3b9f19c33afa58206

SHA1
5318444443792b1e4739e95c7c30b273a1951322

SHA256
381b2eb941965870148e11fc4898fafefc0d62e2093a7538ae6fd440798cb16b

SHA512
c2755fadf49ee09167b570d9fc22897867177645475d45964a5c4892feabcf93f95e0cfa6be42bb1b1367b82878c41fcc1cd9bd2594fb6c3f7bf5f91438231bc

Download Submit
memory/3868-12-0x00007FFC4F9C3000-0x00007FFC4F9C5000-memory.dmp

Filesize
8KB

Download
memory/3868-13-0x000002062B5F0000-0x000002062B698000-memory.dmp

Filesize
672KB

Download
memory/5064-97-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/5064-98-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/5064-100-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads