neshta | b5d851a44ef10fb2eb7094a041743e48c77e1c39d72146315bcfd684e49597da

Analysis

max time kernel
16s
max time network
17s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
24-11-2024 12:39

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General

Target

b5d851a44ef10fb2eb7094a041743e48c77e1c39d72146315bcfd684e49597daN.exe
Size

3.1MB
MD5

57c0509c3d550cbf079ca18e88912ca0
SHA1

c4d48f8b1a2b561da64051f770a9ff9b2c044c7d
SHA256

b5d851a44ef10fb2eb7094a041743e48c77e1c39d72146315bcfd684e49597da
SHA512

d31028038725d223a20e35c6f789473b29b0fe2065d395e2108bffed887385a8e9c43d97581f4fa7a2772a436592c365de5fc6d23ff3d8a633932de80c174f00
SSDEEP

49152:7tLBcXqFpBR6SVb8kq4pgquLMMji4NYxtJpkxhGjIHTbQ333TYOWd:7tLutqgwh4NYxtJpkxhGj333T4

Score

10^/10

neshta discovery persistence spyware stealer

Malware Config

Signatures

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

Executes dropped EXE 1 IoCs

pid	Process
2512	b5d851a44ef10fb2eb7094a041743e48c77e1c39d72146315bcfd684e49597daN.exe

Loads dropped DLL 2 IoCs

pid	Process
1760	b5d851a44ef10fb2eb7094a041743e48c77e1c39d72146315bcfd684e49597daN.exe
1760	b5d851a44ef10fb2eb7094a041743e48c77e1c39d72146315bcfd684e49597daN.exe

Modifies system executable filetype association 2 TTPs 1 IoCs

persistence

Modify Registry

T1112

Change Default File Association

T1546.001

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Windows\\svchost.com \"%1\" %*"	b5d851a44ef10fb2eb7094a041743e48c77e1c39d72146315bcfd684e49597daN.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

description	ioc	Process
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOOGLE~1.EXE	b5d851a44ef10fb2eb7094a041743e48c77e1c39d72146315bcfd684e49597daN.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\Eula.exe	b5d851a44ef10fb2eb7094a041743e48c77e1c39d72146315bcfd684e49597daN.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Resource\Icons\SC_REA~1.EXE	b5d851a44ef10fb2eb7094a041743e48c77e1c39d72146315bcfd684e49597daN.exe
File opened for modification	C:\PROGRA~2\COMMON~1\Adobe\Updater6\ADOBEU~1.EXE	b5d851a44ef10fb2eb7094a041743e48c77e1c39d72146315bcfd684e49597daN.exe
File opened for modification	C:\PROGRA~2\COMMON~1\Adobe\Updater6\ADOBE_~1.EXE	b5d851a44ef10fb2eb7094a041743e48c77e1c39d72146315bcfd684e49597daN.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\Oarpmany.exe	b5d851a44ef10fb2eb7094a041743e48c77e1c39d72146315bcfd684e49597daN.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\ADOBEC~1.EXE	b5d851a44ef10fb2eb7094a041743e48c77e1c39d72146315bcfd684e49597daN.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\TextConv\WksConv\Wkconv.exe	b5d851a44ef10fb2eb7094a041743e48c77e1c39d72146315bcfd684e49597daN.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\ACCICONS.EXE	b5d851a44ef10fb2eb7094a041743e48c77e1c39d72146315bcfd684e49597daN.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\misc.exe	b5d851a44ef10fb2eb7094a041743e48c77e1c39d72146315bcfd684e49597daN.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\DW\DW20.EXE	b5d851a44ef10fb2eb7094a041743e48c77e1c39d72146315bcfd684e49597daN.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\VSTO\10.0\VSTOIN~1.EXE	b5d851a44ef10fb2eb7094a041743e48c77e1c39d72146315bcfd684e49597daN.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\INFOPATH.EXE	b5d851a44ef10fb2eb7094a041743e48c77e1c39d72146315bcfd684e49597daN.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\OIS.EXE	b5d851a44ef10fb2eb7094a041743e48c77e1c39d72146315bcfd684e49597daN.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmprph.exe	b5d851a44ef10fb2eb7094a041743e48c77e1c39d72146315bcfd684e49597daN.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSOSYNC.EXE	b5d851a44ef10fb2eb7094a041743e48c77e1c39d72146315bcfd684e49597daN.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\WORDICON.EXE	b5d851a44ef10fb2eb7094a041743e48c77e1c39d72146315bcfd684e49597daN.exe
File opened for modification	C:\PROGRA~2\WINDOW~4\ImagingDevices.exe	b5d851a44ef10fb2eb7094a041743e48c77e1c39d72146315bcfd684e49597daN.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\OFFICE~1\Setup.exe	b5d851a44ef10fb2eb7094a041743e48c77e1c39d72146315bcfd684e49597daN.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOOGLE~3.EXE	b5d851a44ef10fb2eb7094a041743e48c77e1c39d72146315bcfd684e49597daN.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOOGLE~4.EXE	b5d851a44ef10fb2eb7094a041743e48c77e1c39d72146315bcfd684e49597daN.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOF5E2~1.EXE	b5d851a44ef10fb2eb7094a041743e48c77e1c39d72146315bcfd684e49597daN.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSOHTMED.EXE	b5d851a44ef10fb2eb7094a041743e48c77e1c39d72146315bcfd684e49597daN.exe
File opened for modification	C:\PROGRA~2\WINDOW~1\wab.exe	b5d851a44ef10fb2eb7094a041743e48c77e1c39d72146315bcfd684e49597daN.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{57A73~1\VC_RED~1.EXE	b5d851a44ef10fb2eb7094a041743e48c77e1c39d72146315bcfd684e49597daN.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{CA675~1\VCREDI~1.EXE	b5d851a44ef10fb2eb7094a041743e48c77e1c39d72146315bcfd684e49597daN.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\MSOICONS.EXE	b5d851a44ef10fb2eb7094a041743e48c77e1c39d72146315bcfd684e49597daN.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\SOURCE~1\OSE.EXE	b5d851a44ef10fb2eb7094a041743e48c77e1c39d72146315bcfd684e49597daN.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOOGLE~2.EXE	b5d851a44ef10fb2eb7094a041743e48c77e1c39d72146315bcfd684e49597daN.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\GROOVEMN.EXE	b5d851a44ef10fb2eb7094a041743e48c77e1c39d72146315bcfd684e49597daN.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\POWERPNT.EXE	b5d851a44ef10fb2eb7094a041743e48c77e1c39d72146315bcfd684e49597daN.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\WMPDMC.exe	b5d851a44ef10fb2eb7094a041743e48c77e1c39d72146315bcfd684e49597daN.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\MSInfo\msinfo32.exe	b5d851a44ef10fb2eb7094a041743e48c77e1c39d72146315bcfd684e49597daN.exe
File opened for modification	C:\PROGRA~2\Google\Update\DISABL~1.EXE	b5d851a44ef10fb2eb7094a041743e48c77e1c39d72146315bcfd684e49597daN.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\GRAPH.EXE	b5d851a44ef10fb2eb7094a041743e48c77e1c39d72146315bcfd684e49597daN.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\setup_wm.exe	b5d851a44ef10fb2eb7094a041743e48c77e1c39d72146315bcfd684e49597daN.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmlaunch.exe	b5d851a44ef10fb2eb7094a041743e48c77e1c39d72146315bcfd684e49597daN.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\A3DUTI~1.EXE	b5d851a44ef10fb2eb7094a041743e48c77e1c39d72146315bcfd684e49597daN.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GO664E~1.EXE	b5d851a44ef10fb2eb7094a041743e48c77e1c39d72146315bcfd684e49597daN.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\NAMECO~1.EXE	b5d851a44ef10fb2eb7094a041743e48c77e1c39d72146315bcfd684e49597daN.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmplayer.exe	b5d851a44ef10fb2eb7094a041743e48c77e1c39d72146315bcfd684e49597daN.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{EF6B0~1\VCREDI~1.EXE	b5d851a44ef10fb2eb7094a041743e48c77e1c39d72146315bcfd684e49597daN.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{61087~1\VCREDI~1.EXE	b5d851a44ef10fb2eb7094a041743e48c77e1c39d72146315bcfd684e49597daN.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\DW\DWTRIG20.EXE	b5d851a44ef10fb2eb7094a041743e48c77e1c39d72146315bcfd684e49597daN.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOBD5D~1.EXE	b5d851a44ef10fb2eb7094a041743e48c77e1c39d72146315bcfd684e49597daN.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\BCSSync.exe	b5d851a44ef10fb2eb7094a041743e48c77e1c39d72146315bcfd684e49597daN.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\ONENOTE.EXE	b5d851a44ef10fb2eb7094a041743e48c77e1c39d72146315bcfd684e49597daN.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\XLICONS.EXE	b5d851a44ef10fb2eb7094a041743e48c77e1c39d72146315bcfd684e49597daN.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\EQUATION\EQNEDT32.EXE	b5d851a44ef10fb2eb7094a041743e48c77e1c39d72146315bcfd684e49597daN.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\ink\mip.exe	b5d851a44ef10fb2eb7094a041743e48c77e1c39d72146315bcfd684e49597daN.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\AcroRd32.exe	b5d851a44ef10fb2eb7094a041743e48c77e1c39d72146315bcfd684e49597daN.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\FLTLDR.EXE	b5d851a44ef10fb2eb7094a041743e48c77e1c39d72146315bcfd684e49597daN.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSTORDB.EXE	b5d851a44ef10fb2eb7094a041743e48c77e1c39d72146315bcfd684e49597daN.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSTORE.EXE	b5d851a44ef10fb2eb7094a041743e48c77e1c39d72146315bcfd684e49597daN.exe
File opened for modification	C:\PROGRA~2\MOZILL~1\MAINTE~1.EXE	b5d851a44ef10fb2eb7094a041743e48c77e1c39d72146315bcfd684e49597daN.exe
File opened for modification	C:\PROGRA~2\INTERN~1\ieinstal.exe	b5d851a44ef10fb2eb7094a041743e48c77e1c39d72146315bcfd684e49597daN.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\CLVIEW.EXE	b5d851a44ef10fb2eb7094a041743e48c77e1c39d72146315bcfd684e49597daN.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\WINWORD.EXE	b5d851a44ef10fb2eb7094a041743e48c77e1c39d72146315bcfd684e49597daN.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\SELFCERT.EXE	b5d851a44ef10fb2eb7094a041743e48c77e1c39d72146315bcfd684e49597daN.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmpconfig.exe	b5d851a44ef10fb2eb7094a041743e48c77e1c39d72146315bcfd684e49597daN.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmpshare.exe	b5d851a44ef10fb2eb7094a041743e48c77e1c39d72146315bcfd684e49597daN.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\LOGTRA~1.EXE	b5d851a44ef10fb2eb7094a041743e48c77e1c39d72146315bcfd684e49597daN.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\SETUPF~1\{AC76B~1\Setup.exe	b5d851a44ef10fb2eb7094a041743e48c77e1c39d72146315bcfd684e49597daN.exe
File opened for modification	C:\PROGRA~2\COMMON~1\ADOBEA~1\Versions\1.0\ADOBEA~1.EXE	b5d851a44ef10fb2eb7094a041743e48c77e1c39d72146315bcfd684e49597daN.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\svchost.com	b5d851a44ef10fb2eb7094a041743e48c77e1c39d72146315bcfd684e49597daN.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

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

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	b5d851a44ef10fb2eb7094a041743e48c77e1c39d72146315bcfd684e49597daN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	b5d851a44ef10fb2eb7094a041743e48c77e1c39d72146315bcfd684e49597daN.exe

Modifies registry class 1 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Windows\\svchost.com \"%1\" %*"	b5d851a44ef10fb2eb7094a041743e48c77e1c39d72146315bcfd684e49597daN.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1760 wrote to memory of 2512	1760	b5d851a44ef10fb2eb7094a041743e48c77e1c39d72146315bcfd684e49597daN.exe	30
PID 1760 wrote to memory of 2512	1760	b5d851a44ef10fb2eb7094a041743e48c77e1c39d72146315bcfd684e49597daN.exe	30
PID 1760 wrote to memory of 2512	1760	b5d851a44ef10fb2eb7094a041743e48c77e1c39d72146315bcfd684e49597daN.exe	30
PID 1760 wrote to memory of 2512	1760	b5d851a44ef10fb2eb7094a041743e48c77e1c39d72146315bcfd684e49597daN.exe	30
PID 1760 wrote to memory of 2512	1760	b5d851a44ef10fb2eb7094a041743e48c77e1c39d72146315bcfd684e49597daN.exe	30
PID 1760 wrote to memory of 2512	1760	b5d851a44ef10fb2eb7094a041743e48c77e1c39d72146315bcfd684e49597daN.exe	30
PID 1760 wrote to memory of 2512	1760	b5d851a44ef10fb2eb7094a041743e48c77e1c39d72146315bcfd684e49597daN.exe	30

C:\Users\Admin\AppData\Local\Temp\b5d851a44ef10fb2eb7094a041743e48c77e1c39d72146315bcfd684e49597daN.exe
"C:\Users\Admin\AppData\Local\Temp\b5d851a44ef10fb2eb7094a041743e48c77e1c39d72146315bcfd684e49597daN.exe"
1⤵
- Loads dropped DLL
- 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:1760
- C:\Users\Admin\AppData\Local\Temp\3582-490\b5d851a44ef10fb2eb7094a041743e48c77e1c39d72146315bcfd684e49597daN.exe
  "C:\Users\Admin\AppData\Local\Temp\3582-490\b5d851a44ef10fb2eb7094a041743e48c77e1c39d72146315bcfd684e49597daN.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:2512

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Event Triggered Execution

T1546

Change Default File Association

T1546.001

Privilege Escalation

Event Triggered Execution

T1546

Change Default File Association

T1546.001

Defense Evasion

Modify Registry

T1112

Credential Access

Credentials from Password Stores

T1555

Credentials from Web Browsers

T1555.003

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

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Downloads

C:\MSOCache\ALLUSE~1\{90140~1\dwtrig20.exe

Filesize
547KB

MD5
d30b36247185a670852f45098eb9a8e6

SHA1
f37447d3b870174444e0834bd13629fc9804e6f2

SHA256
e57de7cf83c9f5dc4810d748b3907f65f2909eb6391c140ed0b049c452f7d270

SHA512
d1100b0403e95b035e66841db8a64a710a5f7f1b984f51089259468a21ef7696d65e7a3e84b2f774b000c8016eead784810b336455fc9cd7b6663ebf9abb433b

Download Submit
\PROGRA~2\Adobe\READER~1.0\Reader\LOGTRA~1.EXE

Filesize
252KB

MD5
9e2b9928c89a9d0da1d3e8f4bd96afa7

SHA1
ec66cda99f44b62470c6930e5afda061579cde35

SHA256
8899b4ed3446b7d55b54defbc1acb7c5392a4b3bc8ec2cdc7c31171708965043

SHA512
2ca5ad1d0e12a8049de885b90b7f56fe77c868e0d6dae4ec4b6f3bc0bf7b2e73295cc9b1328c2b45357ffb0d7804622ab3f91a56140b098e93b691032d508156

Download Submit
\Users\Admin\AppData\Local\Temp\3582-490\b5d851a44ef10fb2eb7094a041743e48c77e1c39d72146315bcfd684e49597daN.exe

Filesize
3.1MB

MD5
7c11d93c9c74ec0a1cf98ed0cdf529bd

SHA1
d3d44c1e98ebc18a1d69d688bcfc8cb2cd9427d2

SHA256
2d5fa06343940d52b169a1f13a104267b81221edb6756d8c6688b17faf6302a8

SHA512
b3f99e6f36c9078050e8aeb292d0c168e01918309fc93c8c26ea4cea7fa3cae6de07bc81cd8a90bae96f23a5bd35eb2c2e5b30e6c18a8d5dde638676a2d58d1e

Download Submit
memory/1760-86-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/1760-88-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/2512-11-0x00000000001D0000-0x00000000001D1000-memory.dmp

Filesize
4KB

Download
memory/2512-85-0x0000000000400000-0x000000000071C000-memory.dmp

Filesize
3.1MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads