neshta | bfbb93a0bbe30482233d210d3445daaf11dda7462ab49bca963264044f443ded

General

Target

bfbb93a0bbe30482233d210d3445daaf11dda7462ab49bca963264044f443dedN.exe
Size

1.0MB
MD5

7bda489a67ee569b9c9deb458e645280
SHA1

7fa397459ac83b3b8850a80f9887a51e549f1298
SHA256

bfbb93a0bbe30482233d210d3445daaf11dda7462ab49bca963264044f443ded
SHA512

772108539a218444cf4c122aa5182ce153684fe99036152c9ebc93bb7913ee5a3e8d1506336f0cfd7c9f244ad236aaf9369d227b4f4f8e5ad56f63d1132a597b
SSDEEP

24576:iziJb1XcYaJ+RXNyBo4kx929bL3Hnxbl//:iQb1vtYB+kn3Hnxbl//

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/1972-95-0x0000000000400000-0x000000000041B000-memory.dmp	family_neshta
behavioral2/memory/1972-96-0x0000000000400000-0x000000000041B000-memory.dmp	family_neshta
behavioral2/memory/1972-98-0x0000000000400000-0x000000000041B000-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:

bfbb93a0bbe30482233d210d3445daaf11dda7462ab49bca963264044f443dedN.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\Control Panel\International\Geo\Nation	bfbb93a0bbe30482233d210d3445daaf11dda7462ab49bca963264044f443dedN.exe

Executes dropped EXE 1 IoCs

Processes:

bfbb93a0bbe30482233d210d3445daaf11dda7462ab49bca963264044f443dedN.exe

pid process

4880 bfbb93a0bbe30482233d210d3445daaf11dda7462ab49bca963264044f443dedN.exe

pid	process
4880	bfbb93a0bbe30482233d210d3445daaf11dda7462ab49bca963264044f443dedN.exe

Modifies system executable filetype association 2 TTPs 1 IoCs

persistence

Modify Registry

T1112

Change Default File Association

T1546.001

Processes:

bfbb93a0bbe30482233d210d3445daaf11dda7462ab49bca963264044f443dedN.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Windows\\svchost.com \"%1\" %*"	bfbb93a0bbe30482233d210d3445daaf11dda7462ab49bca963264044f443dedN.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:

bfbb93a0bbe30482233d210d3445daaf11dda7462ab49bca963264044f443dedN.exe

description	ioc	process
File opened for modification	C:\PROGRA~2\INTERN~1\iexplore.exe	bfbb93a0bbe30482233d210d3445daaf11dda7462ab49bca963264044f443dedN.exe
File opened for modification	C:\PROGRA~2\WINDOW~4\wmlaunch.exe	bfbb93a0bbe30482233d210d3445daaf11dda7462ab49bca963264044f443dedN.exe
File opened for modification	C:\PROGRA~2\WI8A19~1\ImagingDevices.exe	bfbb93a0bbe30482233d210d3445daaf11dda7462ab49bca963264044f443dedN.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\ADelRCP.exe	bfbb93a0bbe30482233d210d3445daaf11dda7462ab49bca963264044f443dedN.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\READER~1.EXE	bfbb93a0bbe30482233d210d3445daaf11dda7462ab49bca963264044f443dedN.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\MSEDGE~2.EXE	bfbb93a0bbe30482233d210d3445daaf11dda7462ab49bca963264044f443dedN.exe
File opened for modification	C:\PROGRA~2\MICROS~1\EDGEUP~1\13147~1.37\MICROS~4.EXE	bfbb93a0bbe30482233d210d3445daaf11dda7462ab49bca963264044f443dedN.exe
File opened for modification	C:\PROGRA~2\MICROS~1\EDGEUP~1\13147~1.37\MID1AD~1.EXE	bfbb93a0bbe30482233d210d3445daaf11dda7462ab49bca963264044f443dedN.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\FULLTR~1.EXE	bfbb93a0bbe30482233d210d3445daaf11dda7462ab49bca963264044f443dedN.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.371\GOF5E2~1.EXE	bfbb93a0bbe30482233d210d3445daaf11dda7462ab49bca963264044f443dedN.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\msedge.exe	bfbb93a0bbe30482233d210d3445daaf11dda7462ab49bca963264044f443dedN.exe
File opened for modification	C:\PROGRA~2\COMMON~1\Adobe\ARM\1.0\ADOBEA~1.EXE	bfbb93a0bbe30482233d210d3445daaf11dda7462ab49bca963264044f443dedN.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\MSInfo\msinfo32.exe	bfbb93a0bbe30482233d210d3445daaf11dda7462ab49bca963264044f443dedN.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.371\GOOGLE~1.EXE	bfbb93a0bbe30482233d210d3445daaf11dda7462ab49bca963264044f443dedN.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\COOKIE~1.EXE	bfbb93a0bbe30482233d210d3445daaf11dda7462ab49bca963264044f443dedN.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\IDENTI~1.EXE	bfbb93a0bbe30482233d210d3445daaf11dda7462ab49bca963264044f443dedN.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\Eula.exe	bfbb93a0bbe30482233d210d3445daaf11dda7462ab49bca963264044f443dedN.exe
File opened for modification	C:\PROGRA~2\COMMON~1\Oracle\Java\javapath\javaws.exe	bfbb93a0bbe30482233d210d3445daaf11dda7462ab49bca963264044f443dedN.exe
File opened for modification	C:\PROGRA~2\COMMON~1\Adobe\ARM\1.0\AdobeARM.exe	bfbb93a0bbe30482233d210d3445daaf11dda7462ab49bca963264044f443dedN.exe
File opened for modification	C:\PROGRA~2\WINDOW~4\wmplayer.exe	bfbb93a0bbe30482233d210d3445daaf11dda7462ab49bca963264044f443dedN.exe
File opened for modification	C:\PROGRA~2\MOZILL~1\UNINST~1.EXE	bfbb93a0bbe30482233d210d3445daaf11dda7462ab49bca963264044f443dedN.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{EF5AF~1\WINDOW~1.EXE	bfbb93a0bbe30482233d210d3445daaf11dda7462ab49bca963264044f443dedN.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{EF6B0~1\VCREDI~1.EXE	bfbb93a0bbe30482233d210d3445daaf11dda7462ab49bca963264044f443dedN.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\Browser\WCCHRO~1\WCCHRO~1.EXE	bfbb93a0bbe30482233d210d3445daaf11dda7462ab49bca963264044f443dedN.exe
File opened for modification	C:\PROGRA~2\MOZILL~1\MAINTE~1.EXE	bfbb93a0bbe30482233d210d3445daaf11dda7462ab49bca963264044f443dedN.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\INSTAL~1\setup.exe	bfbb93a0bbe30482233d210d3445daaf11dda7462ab49bca963264044f443dedN.exe
File opened for modification	C:\PROGRA~2\MICROS~1\EDGEUP~1\13147~1.37\MICROS~3.EXE	bfbb93a0bbe30482233d210d3445daaf11dda7462ab49bca963264044f443dedN.exe
File opened for modification	C:\PROGRA~2\WINDOW~4\wmpconfig.exe	bfbb93a0bbe30482233d210d3445daaf11dda7462ab49bca963264044f443dedN.exe
File opened for modification	C:\PROGRA~2\WINDOW~4\wmprph.exe	bfbb93a0bbe30482233d210d3445daaf11dda7462ab49bca963264044f443dedN.exe
File opened for modification	C:\PROGRA~2\WINDOW~4\wmpshare.exe	bfbb93a0bbe30482233d210d3445daaf11dda7462ab49bca963264044f443dedN.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{61087~1\VCREDI~1.EXE	bfbb93a0bbe30482233d210d3445daaf11dda7462ab49bca963264044f443dedN.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\BHO\IE_TO_~1.EXE	bfbb93a0bbe30482233d210d3445daaf11dda7462ab49bca963264044f443dedN.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\ELEVAT~1.EXE	bfbb93a0bbe30482233d210d3445daaf11dda7462ab49bca963264044f443dedN.exe
File opened for modification	C:\PROGRA~2\MICROS~1\EDGEUP~1\13147~1.37\MICROS~1.EXE	bfbb93a0bbe30482233d210d3445daaf11dda7462ab49bca963264044f443dedN.exe
File opened for modification	C:\PROGRA~2\WINDOW~2\wabmig.exe	bfbb93a0bbe30482233d210d3445daaf11dda7462ab49bca963264044f443dedN.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\plug_ins\PI_BRO~1\32BITM~1.EXE	bfbb93a0bbe30482233d210d3445daaf11dda7462ab49bca963264044f443dedN.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\NOTIFI~1.EXE	bfbb93a0bbe30482233d210d3445daaf11dda7462ab49bca963264044f443dedN.exe
File opened for modification	C:\PROGRA~2\WINDOW~4\setup_wm.exe	bfbb93a0bbe30482233d210d3445daaf11dda7462ab49bca963264044f443dedN.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\LOGTRA~1.EXE	bfbb93a0bbe30482233d210d3445daaf11dda7462ab49bca963264044f443dedN.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\plug_ins\PI_BRO~1\64BITM~1.EXE	bfbb93a0bbe30482233d210d3445daaf11dda7462ab49bca963264044f443dedN.exe
File opened for modification	C:\PROGRA~2\INTERN~1\ielowutil.exe	bfbb93a0bbe30482233d210d3445daaf11dda7462ab49bca963264044f443dedN.exe
File opened for modification	C:\PROGRA~3\Adobe\Setup\{AC76B~1\setup.exe	bfbb93a0bbe30482233d210d3445daaf11dda7462ab49bca963264044f443dedN.exe
File opened for modification	C:\PROGRA~2\INTERN~1\ExtExport.exe	bfbb93a0bbe30482233d210d3445daaf11dda7462ab49bca963264044f443dedN.exe
File opened for modification	C:\PROGRA~2\WINDOW~2\wab.exe	bfbb93a0bbe30482233d210d3445daaf11dda7462ab49bca963264044f443dedN.exe
File opened for modification	C:\PROGRA~3\MICROS~1\CLICKT~1\{9AC08~1\INTEGR~1.EXE	bfbb93a0bbe30482233d210d3445daaf11dda7462ab49bca963264044f443dedN.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{D87AE~1\WINDOW~1.EXE	bfbb93a0bbe30482233d210d3445daaf11dda7462ab49bca963264044f443dedN.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\ACROTE~1.EXE	bfbb93a0bbe30482233d210d3445daaf11dda7462ab49bca963264044f443dedN.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\WOW_HE~1.EXE	bfbb93a0bbe30482233d210d3445daaf11dda7462ab49bca963264044f443dedN.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\MSEDGE~1.EXE	bfbb93a0bbe30482233d210d3445daaf11dda7462ab49bca963264044f443dedN.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\PWAHEL~1.EXE	bfbb93a0bbe30482233d210d3445daaf11dda7462ab49bca963264044f443dedN.exe
File opened for modification	C:\PROGRA~2\MICROS~1\EDGEUP~1\13147~1.37\MI9C33~1.EXE	bfbb93a0bbe30482233d210d3445daaf11dda7462ab49bca963264044f443dedN.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{33D1F~1\VCREDI~1.EXE	bfbb93a0bbe30482233d210d3445daaf11dda7462ab49bca963264044f443dedN.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\arh.exe	bfbb93a0bbe30482233d210d3445daaf11dda7462ab49bca963264044f443dedN.exe
File opened for modification	C:\PROGRA~2\COMMON~1\Oracle\Java\javapath\javaw.exe	bfbb93a0bbe30482233d210d3445daaf11dda7462ab49bca963264044f443dedN.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.371\GOOGLE~2.EXE	bfbb93a0bbe30482233d210d3445daaf11dda7462ab49bca963264044f443dedN.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\MSEDGE~3.EXE	bfbb93a0bbe30482233d210d3445daaf11dda7462ab49bca963264044f443dedN.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{63880~1\WINDOW~1.EXE	bfbb93a0bbe30482233d210d3445daaf11dda7462ab49bca963264044f443dedN.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{CA675~1\VCREDI~1.EXE	bfbb93a0bbe30482233d210d3445daaf11dda7462ab49bca963264044f443dedN.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\ACROBR~1.EXE	bfbb93a0bbe30482233d210d3445daaf11dda7462ab49bca963264044f443dedN.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\ADOBEC~1.EXE	bfbb93a0bbe30482233d210d3445daaf11dda7462ab49bca963264044f443dedN.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.371\GOOGLE~4.EXE	bfbb93a0bbe30482233d210d3445daaf11dda7462ab49bca963264044f443dedN.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.371\GOBD5D~1.EXE	bfbb93a0bbe30482233d210d3445daaf11dda7462ab49bca963264044f443dedN.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\PWAHEL~1.EXE	bfbb93a0bbe30482233d210d3445daaf11dda7462ab49bca963264044f443dedN.exe
File opened for modification	C:\PROGRA~2\MICROS~1\EDGEUP~1\13147~1.37\MICROS~2.EXE	bfbb93a0bbe30482233d210d3445daaf11dda7462ab49bca963264044f443dedN.exe

Drops file in Windows directory 1 IoCs

Processes:

bfbb93a0bbe30482233d210d3445daaf11dda7462ab49bca963264044f443dedN.exe

description ioc process

File opened for modification C:\Windows\svchost.com bfbb93a0bbe30482233d210d3445daaf11dda7462ab49bca963264044f443dedN.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	bfbb93a0bbe30482233d210d3445daaf11dda7462ab49bca963264044f443dedN.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:

bfbb93a0bbe30482233d210d3445daaf11dda7462ab49bca963264044f443dedN.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	bfbb93a0bbe30482233d210d3445daaf11dda7462ab49bca963264044f443dedN.exe

Modifies registry class 1 IoCs

Processes:

bfbb93a0bbe30482233d210d3445daaf11dda7462ab49bca963264044f443dedN.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Windows\\svchost.com \"%1\" %*"	bfbb93a0bbe30482233d210d3445daaf11dda7462ab49bca963264044f443dedN.exe

Suspicious use of WriteProcessMemory 2 IoCs

Processes:

bfbb93a0bbe30482233d210d3445daaf11dda7462ab49bca963264044f443dedN.exe

description	pid	process	target process
PID 1972 wrote to memory of 4880	1972	bfbb93a0bbe30482233d210d3445daaf11dda7462ab49bca963264044f443dedN.exe	bfbb93a0bbe30482233d210d3445daaf11dda7462ab49bca963264044f443dedN.exe
PID 1972 wrote to memory of 4880	1972	bfbb93a0bbe30482233d210d3445daaf11dda7462ab49bca963264044f443dedN.exe	bfbb93a0bbe30482233d210d3445daaf11dda7462ab49bca963264044f443dedN.exe

C:\Users\Admin\AppData\Local\Temp\bfbb93a0bbe30482233d210d3445daaf11dda7462ab49bca963264044f443dedN.exe
"C:\Users\Admin\AppData\Local\Temp\bfbb93a0bbe30482233d210d3445daaf11dda7462ab49bca963264044f443dedN.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:1972
- C:\Users\Admin\AppData\Local\Temp\3582-490\bfbb93a0bbe30482233d210d3445daaf11dda7462ab49bca963264044f443dedN.exe
  "C:\Users\Admin\AppData\Local\Temp\3582-490\bfbb93a0bbe30482233d210d3445daaf11dda7462ab49bca963264044f443dedN.exe"
  2⤵
  - Executes dropped EXE
  PID:4880

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

Loading Replay Monitor...

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\bfbb93a0bbe30482233d210d3445daaf11dda7462ab49bca963264044f443dedN.exe

Filesize
1.0MB

MD5
791a3f10f0eb024d91adcc84831e0e3c

SHA1
5699a93905749ef554f204365f076b0c60cfa811

SHA256
debc92fc0fdb98026e208df59c0683bd3559119c4873f388a3ffda90ab3571d5

SHA512
497f062ad033304a7cff1a7ba0d236bcbcc941c46cbe8067d30fea7d3e36840aace0ec0e795d6f36e94ef4495d6ec35c23fb84a2c55fd1b4b4b7be36c0d77ca4

Download Submit
memory/1972-95-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/1972-96-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/1972-98-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/4880-11-0x0000000140000000-0x0000000140108000-memory.dmp

Filesize
1.0MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads