neshta | 4d6f56358f9407c1f404728ccc70c36ed41942cdcab6658045a17e1d0308223b

General

Target

4d6f56358f9407c1f404728ccc70c36ed41942cdcab6658045a17e1d0308223b.exe
Size

1.3MB
MD5

1910bca72ea1b731aaa67b12271a7248
SHA1

ac1780d5c694956faa51f9ed22034322deef2bc0
SHA256

4d6f56358f9407c1f404728ccc70c36ed41942cdcab6658045a17e1d0308223b
SHA512

a375f6e36dcb07015472bd313a1869b4cefae29ea2857a5d269ba60b451c21cf3136d112210e7ba0f38426333b67f5424b2c0ba00acb86e9ad66d9baa21a9d54
SSDEEP

24576:xRbMoyj2HEcjRDbUXpafKYvHbPITNLmmb0b9hLP/3xSvcXvEUGHe5UKCTK+u+nmK:xRbMo+RcjRXuafhmbY9hLP/3xkePCT9f

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/4880-95-0x0000000000400000-0x000000000041B000-memory.dmp	family_neshta
behavioral2/memory/4880-96-0x0000000000400000-0x000000000041B000-memory.dmp	family_neshta
behavioral2/memory/4880-97-0x0000000000400000-0x000000000041B000-memory.dmp	family_neshta
behavioral2/memory/4880-99-0x0000000000400000-0x000000000041B000-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:

4d6f56358f9407c1f404728ccc70c36ed41942cdcab6658045a17e1d0308223b.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\Control Panel\International\Geo\Nation	4d6f56358f9407c1f404728ccc70c36ed41942cdcab6658045a17e1d0308223b.exe

Executes dropped EXE 1 IoCs

Processes:

4d6f56358f9407c1f404728ccc70c36ed41942cdcab6658045a17e1d0308223b.exe

pid process

2140 4d6f56358f9407c1f404728ccc70c36ed41942cdcab6658045a17e1d0308223b.exe

pid	process
2140	4d6f56358f9407c1f404728ccc70c36ed41942cdcab6658045a17e1d0308223b.exe

Modifies system executable filetype association 2 TTPs 1 IoCs

persistence

Modify Registry

T1112

Change Default File Association

T1546.001

Processes:

4d6f56358f9407c1f404728ccc70c36ed41942cdcab6658045a17e1d0308223b.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Windows\\svchost.com \"%1\" %*"	4d6f56358f9407c1f404728ccc70c36ed41942cdcab6658045a17e1d0308223b.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:

4d6f56358f9407c1f404728ccc70c36ed41942cdcab6658045a17e1d0308223b.exe

description	ioc	process
File opened for modification	C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\BHO\IE_TO_~1.EXE	4d6f56358f9407c1f404728ccc70c36ed41942cdcab6658045a17e1d0308223b.exe
File opened for modification	C:\PROGRA~2\MICROS~1\EDGEUP~1\13147~1.37\MICROS~1.EXE	4d6f56358f9407c1f404728ccc70c36ed41942cdcab6658045a17e1d0308223b.exe
File opened for modification	C:\PROGRA~2\WINDOW~4\wmlaunch.exe	4d6f56358f9407c1f404728ccc70c36ed41942cdcab6658045a17e1d0308223b.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\ADelRCP.exe	4d6f56358f9407c1f404728ccc70c36ed41942cdcab6658045a17e1d0308223b.exe
File opened for modification	C:\PROGRA~2\COMMON~1\Oracle\Java\javapath\javaw.exe	4d6f56358f9407c1f404728ccc70c36ed41942cdcab6658045a17e1d0308223b.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\msedge.exe	4d6f56358f9407c1f404728ccc70c36ed41942cdcab6658045a17e1d0308223b.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\PWAHEL~1.EXE	4d6f56358f9407c1f404728ccc70c36ed41942cdcab6658045a17e1d0308223b.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\MSEDGE~3.EXE	4d6f56358f9407c1f404728ccc70c36ed41942cdcab6658045a17e1d0308223b.exe
File opened for modification	C:\PROGRA~2\WINDOW~4\wmpshare.exe	4d6f56358f9407c1f404728ccc70c36ed41942cdcab6658045a17e1d0308223b.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{33D1F~1\VCREDI~1.EXE	4d6f56358f9407c1f404728ccc70c36ed41942cdcab6658045a17e1d0308223b.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{57A73~1\VC_RED~1.EXE	4d6f56358f9407c1f404728ccc70c36ed41942cdcab6658045a17e1d0308223b.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\ACROBR~1.EXE	4d6f56358f9407c1f404728ccc70c36ed41942cdcab6658045a17e1d0308223b.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\WOW_HE~1.EXE	4d6f56358f9407c1f404728ccc70c36ed41942cdcab6658045a17e1d0308223b.exe
File opened for modification	C:\PROGRA~2\Google\Update\DISABL~1.EXE	4d6f56358f9407c1f404728ccc70c36ed41942cdcab6658045a17e1d0308223b.exe
File opened for modification	C:\PROGRA~2\INTERN~1\ieinstal.exe	4d6f56358f9407c1f404728ccc70c36ed41942cdcab6658045a17e1d0308223b.exe
File opened for modification	C:\PROGRA~2\MICROS~1\EDGEUP~1\13147~1.37\MICROS~2.EXE	4d6f56358f9407c1f404728ccc70c36ed41942cdcab6658045a17e1d0308223b.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{D87AE~1\WINDOW~1.EXE	4d6f56358f9407c1f404728ccc70c36ed41942cdcab6658045a17e1d0308223b.exe
File opened for modification	C:\PROGRA~2\COMMON~1\Adobe\ARM\1.0\ADOBEA~1.EXE	4d6f56358f9407c1f404728ccc70c36ed41942cdcab6658045a17e1d0308223b.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.371\GOF5E2~1.EXE	4d6f56358f9407c1f404728ccc70c36ed41942cdcab6658045a17e1d0308223b.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\AcroCEF\RdrCEF.exe	4d6f56358f9407c1f404728ccc70c36ed41942cdcab6658045a17e1d0308223b.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\INSTAL~1\setup.exe	4d6f56358f9407c1f404728ccc70c36ed41942cdcab6658045a17e1d0308223b.exe
File opened for modification	C:\PROGRA~2\MOZILL~1\UNINST~1.EXE	4d6f56358f9407c1f404728ccc70c36ed41942cdcab6658045a17e1d0308223b.exe
File opened for modification	C:\PROGRA~2\WINDOW~4\wmprph.exe	4d6f56358f9407c1f404728ccc70c36ed41942cdcab6658045a17e1d0308223b.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{EF5AF~1\WINDOW~1.EXE	4d6f56358f9407c1f404728ccc70c36ed41942cdcab6658045a17e1d0308223b.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.371\GOOGLE~4.EXE	4d6f56358f9407c1f404728ccc70c36ed41942cdcab6658045a17e1d0308223b.exe
File opened for modification	C:\PROGRA~2\INTERN~1\ExtExport.exe	4d6f56358f9407c1f404728ccc70c36ed41942cdcab6658045a17e1d0308223b.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\IDENTI~1.EXE	4d6f56358f9407c1f404728ccc70c36ed41942cdcab6658045a17e1d0308223b.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\msedge.exe	4d6f56358f9407c1f404728ccc70c36ed41942cdcab6658045a17e1d0308223b.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\MSEDGE~1.EXE	4d6f56358f9407c1f404728ccc70c36ed41942cdcab6658045a17e1d0308223b.exe
File opened for modification	C:\PROGRA~2\MICROS~1\EDGEUP~1\13147~1.37\MICROS~4.EXE	4d6f56358f9407c1f404728ccc70c36ed41942cdcab6658045a17e1d0308223b.exe
File opened for modification	C:\PROGRA~2\MICROS~1\EDGEUP~1\13147~1.37\MID1AD~1.EXE	4d6f56358f9407c1f404728ccc70c36ed41942cdcab6658045a17e1d0308223b.exe
File opened for modification	C:\PROGRA~2\WINDOW~2\wabmig.exe	4d6f56358f9407c1f404728ccc70c36ed41942cdcab6658045a17e1d0308223b.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\FULLTR~1.EXE	4d6f56358f9407c1f404728ccc70c36ed41942cdcab6658045a17e1d0308223b.exe
File opened for modification	C:\PROGRA~2\COMMON~1\Oracle\Java\javapath\java.exe	4d6f56358f9407c1f404728ccc70c36ed41942cdcab6658045a17e1d0308223b.exe
File opened for modification	C:\PROGRA~2\WI8A19~1\ImagingDevices.exe	4d6f56358f9407c1f404728ccc70c36ed41942cdcab6658045a17e1d0308223b.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\NOTIFI~1.EXE	4d6f56358f9407c1f404728ccc70c36ed41942cdcab6658045a17e1d0308223b.exe
File opened for modification	C:\PROGRA~2\MICROS~1\EDGEUP~1\13147~1.37\MI9C33~1.EXE	4d6f56358f9407c1f404728ccc70c36ed41942cdcab6658045a17e1d0308223b.exe
File opened for modification	C:\PROGRA~2\MOZILL~1\MAINTE~1.EXE	4d6f56358f9407c1f404728ccc70c36ed41942cdcab6658045a17e1d0308223b.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{CA675~1\VCREDI~1.EXE	4d6f56358f9407c1f404728ccc70c36ed41942cdcab6658045a17e1d0308223b.exe
File opened for modification	C:\PROGRA~2\COMMON~1\Oracle\Java\javapath\javaws.exe	4d6f56358f9407c1f404728ccc70c36ed41942cdcab6658045a17e1d0308223b.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\ELEVAT~1.EXE	4d6f56358f9407c1f404728ccc70c36ed41942cdcab6658045a17e1d0308223b.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{63880~1\WINDOW~1.EXE	4d6f56358f9407c1f404728ccc70c36ed41942cdcab6658045a17e1d0308223b.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\ACROTE~1.EXE	4d6f56358f9407c1f404728ccc70c36ed41942cdcab6658045a17e1d0308223b.exe
File opened for modification	C:\PROGRA~2\MICROS~1\EDGEUP~1\13147~1.37\MICROS~3.EXE	4d6f56358f9407c1f404728ccc70c36ed41942cdcab6658045a17e1d0308223b.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\COOKIE~1.EXE	4d6f56358f9407c1f404728ccc70c36ed41942cdcab6658045a17e1d0308223b.exe
File opened for modification	C:\PROGRA~3\MICROS~1\CLICKT~1\{9AC08~1\INTEGR~1.EXE	4d6f56358f9407c1f404728ccc70c36ed41942cdcab6658045a17e1d0308223b.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{4D8DC~1\VC_RED~1.EXE	4d6f56358f9407c1f404728ccc70c36ed41942cdcab6658045a17e1d0308223b.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{61087~1\VCREDI~1.EXE	4d6f56358f9407c1f404728ccc70c36ed41942cdcab6658045a17e1d0308223b.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{EF6B0~1\VCREDI~1.EXE	4d6f56358f9407c1f404728ccc70c36ed41942cdcab6658045a17e1d0308223b.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\arh.exe	4d6f56358f9407c1f404728ccc70c36ed41942cdcab6658045a17e1d0308223b.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\READER~1.EXE	4d6f56358f9407c1f404728ccc70c36ed41942cdcab6658045a17e1d0308223b.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.371\GO664E~1.EXE	4d6f56358f9407c1f404728ccc70c36ed41942cdcab6658045a17e1d0308223b.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\MSEDGE~2.EXE	4d6f56358f9407c1f404728ccc70c36ed41942cdcab6658045a17e1d0308223b.exe
File opened for modification	C:\PROGRA~2\WINDOW~4\setup_wm.exe	4d6f56358f9407c1f404728ccc70c36ed41942cdcab6658045a17e1d0308223b.exe
File opened for modification	C:\PROGRA~2\WINDOW~3\ACCESS~1\wordpad.exe	4d6f56358f9407c1f404728ccc70c36ed41942cdcab6658045a17e1d0308223b.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\LOGTRA~1.EXE	4d6f56358f9407c1f404728ccc70c36ed41942cdcab6658045a17e1d0308223b.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\MSInfo\msinfo32.exe	4d6f56358f9407c1f404728ccc70c36ed41942cdcab6658045a17e1d0308223b.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.371\GOBD5D~1.EXE	4d6f56358f9407c1f404728ccc70c36ed41942cdcab6658045a17e1d0308223b.exe
File opened for modification	C:\PROGRA~2\INTERN~1\iexplore.exe	4d6f56358f9407c1f404728ccc70c36ed41942cdcab6658045a17e1d0308223b.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\plug_ins\PI_BRO~1\64BITM~1.EXE	4d6f56358f9407c1f404728ccc70c36ed41942cdcab6658045a17e1d0308223b.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.371\GOOGLE~3.EXE	4d6f56358f9407c1f404728ccc70c36ed41942cdcab6658045a17e1d0308223b.exe
File opened for modification	C:\PROGRA~2\COMMON~1\Adobe\ARM\1.0\AdobeARM.exe	4d6f56358f9407c1f404728ccc70c36ed41942cdcab6658045a17e1d0308223b.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\VSTO\10.0\VSTOIN~1.EXE	4d6f56358f9407c1f404728ccc70c36ed41942cdcab6658045a17e1d0308223b.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.371\GOOGLE~1.EXE	4d6f56358f9407c1f404728ccc70c36ed41942cdcab6658045a17e1d0308223b.exe

Drops file in Windows directory 1 IoCs

Processes:

4d6f56358f9407c1f404728ccc70c36ed41942cdcab6658045a17e1d0308223b.exe

description ioc process

File opened for modification C:\Windows\svchost.com 4d6f56358f9407c1f404728ccc70c36ed41942cdcab6658045a17e1d0308223b.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	4d6f56358f9407c1f404728ccc70c36ed41942cdcab6658045a17e1d0308223b.exe

System Location Discovery: System Language Discovery 1 TTPs 2 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:

4d6f56358f9407c1f404728ccc70c36ed41942cdcab6658045a17e1d0308223b.exe4d6f56358f9407c1f404728ccc70c36ed41942cdcab6658045a17e1d0308223b.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	4d6f56358f9407c1f404728ccc70c36ed41942cdcab6658045a17e1d0308223b.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	4d6f56358f9407c1f404728ccc70c36ed41942cdcab6658045a17e1d0308223b.exe

Modifies registry class 1 IoCs

Processes:

4d6f56358f9407c1f404728ccc70c36ed41942cdcab6658045a17e1d0308223b.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Windows\\svchost.com \"%1\" %*"	4d6f56358f9407c1f404728ccc70c36ed41942cdcab6658045a17e1d0308223b.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

4d6f56358f9407c1f404728ccc70c36ed41942cdcab6658045a17e1d0308223b.exe

description	pid	process	target process
PID 4880 wrote to memory of 2140	4880	4d6f56358f9407c1f404728ccc70c36ed41942cdcab6658045a17e1d0308223b.exe	4d6f56358f9407c1f404728ccc70c36ed41942cdcab6658045a17e1d0308223b.exe
PID 4880 wrote to memory of 2140	4880	4d6f56358f9407c1f404728ccc70c36ed41942cdcab6658045a17e1d0308223b.exe	4d6f56358f9407c1f404728ccc70c36ed41942cdcab6658045a17e1d0308223b.exe
PID 4880 wrote to memory of 2140	4880	4d6f56358f9407c1f404728ccc70c36ed41942cdcab6658045a17e1d0308223b.exe	4d6f56358f9407c1f404728ccc70c36ed41942cdcab6658045a17e1d0308223b.exe

C:\Users\Admin\AppData\Local\Temp\4d6f56358f9407c1f404728ccc70c36ed41942cdcab6658045a17e1d0308223b.exe
"C:\Users\Admin\AppData\Local\Temp\4d6f56358f9407c1f404728ccc70c36ed41942cdcab6658045a17e1d0308223b.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:4880
- C:\Users\Admin\AppData\Local\Temp\3582-490\4d6f56358f9407c1f404728ccc70c36ed41942cdcab6658045a17e1d0308223b.exe
  "C:\Users\Admin\AppData\Local\Temp\3582-490\4d6f56358f9407c1f404728ccc70c36ed41942cdcab6658045a17e1d0308223b.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:2140

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\4d6f56358f9407c1f404728ccc70c36ed41942cdcab6658045a17e1d0308223b.exe

Filesize
1.2MB

MD5
bf6abb5133b87ab9456953df701e3a28

SHA1
9367fe0b399f07264a276b4c1592754581842e23

SHA256
8a1d8d72f121cd60a07f9baafbb9551b3259a5b4564265abc18455148253e799

SHA512
dda515ad334c0fd233dc30801c23977e0777ca47a7c9c37a9bf17b7e88ceb7bff2d561b1d7f1aafa3a8f4e610ef24b9ece1ecc9712752f3dbf7203e279ea85a1

Download Submit
memory/4880-95-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/4880-96-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/4880-97-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/4880-99-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads