neshta | 494b5c21d28798235ef25e80961ebd37021d609121a9b09b0c137bbfd9cd4812

Analysis

max time kernel
41s
max time network
20s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
15-09-2024 11:10

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General

Target

fb76a5b722405efc72c9965d527a8fd0N.exe
Size

1.6MB
MD5

fb76a5b722405efc72c9965d527a8fd0
SHA1

4d23317bc62b3c0776bcb207fb29908ae5096e14
SHA256

494b5c21d28798235ef25e80961ebd37021d609121a9b09b0c137bbfd9cd4812
SHA512

90ba2ca6e9bf968e1e534397661b550dfbe68049e1a3ccf666338abb0915fc45ccd1b12b0fe81f0d16106e8b6081977a8d2e55f1005053e04844c05939167f6c
SSDEEP

24576:yNsE09kEyTClJQ56C17Gf/VtsFVAVXCkaqtZpy:y2EKkEyTCDQwI7GHLsX8VZQ

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

Executes dropped EXE 1 IoCs

pid	Process
2140	fb76a5b722405efc72c9965d527a8fd0N.exe

Loads dropped DLL 2 IoCs

pid	Process
3000	fb76a5b722405efc72c9965d527a8fd0N.exe
3000	fb76a5b722405efc72c9965d527a8fd0N.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\" %*"	fb76a5b722405efc72c9965d527a8fd0N.exe

Reads user/profile data of web browsers 2 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

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\SELFCERT.EXE	fb76a5b722405efc72c9965d527a8fd0N.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmplayer.exe	fb76a5b722405efc72c9965d527a8fd0N.exe
File opened for modification	C:\PROGRA~2\INTERN~1\ielowutil.exe	fb76a5b722405efc72c9965d527a8fd0N.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOBD5D~1.EXE	fb76a5b722405efc72c9965d527a8fd0N.exe
File opened for modification	C:\PROGRA~2\COMMON~1\Adobe\Updater6\ADOBEU~1.EXE	fb76a5b722405efc72c9965d527a8fd0N.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOOGLE~3.EXE	fb76a5b722405efc72c9965d527a8fd0N.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\GROOVEMN.EXE	fb76a5b722405efc72c9965d527a8fd0N.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\IECONT~1.EXE	fb76a5b722405efc72c9965d527a8fd0N.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\NAMECO~1.EXE	fb76a5b722405efc72c9965d527a8fd0N.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\TextConv\WksConv\Wkconv.exe	fb76a5b722405efc72c9965d527a8fd0N.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{57A73~1\VC_RED~1.EXE	fb76a5b722405efc72c9965d527a8fd0N.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\Eula.exe	fb76a5b722405efc72c9965d527a8fd0N.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\1033\ONELEV.EXE	fb76a5b722405efc72c9965d527a8fd0N.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\ACCICONS.EXE	fb76a5b722405efc72c9965d527a8fd0N.exe
File opened for modification	C:\PROGRA~2\WINDOW~1\WinMail.exe	fb76a5b722405efc72c9965d527a8fd0N.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\ACROBR~1.EXE	fb76a5b722405efc72c9965d527a8fd0N.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\misc.exe	fb76a5b722405efc72c9965d527a8fd0N.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSQRY32.EXE	fb76a5b722405efc72c9965d527a8fd0N.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSTORDB.EXE	fb76a5b722405efc72c9965d527a8fd0N.exe
File opened for modification	C:\PROGRA~2\WINDOW~1\wab.exe	fb76a5b722405efc72c9965d527a8fd0N.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{EF6B0~1\VCREDI~1.EXE	fb76a5b722405efc72c9965d527a8fd0N.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GO664E~1.EXE	fb76a5b722405efc72c9965d527a8fd0N.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\DW\DWTRIG20.EXE	fb76a5b722405efc72c9965d527a8fd0N.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\MSOXMLED.EXE	fb76a5b722405efc72c9965d527a8fd0N.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOF5E2~1.EXE	fb76a5b722405efc72c9965d527a8fd0N.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\INFOPATH.EXE	fb76a5b722405efc72c9965d527a8fd0N.exe
File opened for modification	C:\PROGRA~2\WINDOW~1\wabmig.exe	fb76a5b722405efc72c9965d527a8fd0N.exe
File opened for modification	C:\PROGRA~2\WINDOW~2\ACCESS~1\wordpad.exe	fb76a5b722405efc72c9965d527a8fd0N.exe
File opened for modification	C:\PROGRA~2\WINDOW~4\ImagingDevices.exe	fb76a5b722405efc72c9965d527a8fd0N.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\AcroRd32.exe	fb76a5b722405efc72c9965d527a8fd0N.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\FLTLDR.EXE	fb76a5b722405efc72c9965d527a8fd0N.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\LICLUA.EXE	fb76a5b722405efc72c9965d527a8fd0N.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOOGLE~2.EXE	fb76a5b722405efc72c9965d527a8fd0N.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmlaunch.exe	fb76a5b722405efc72c9965d527a8fd0N.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{33D1F~1\VCREDI~1.EXE	fb76a5b722405efc72c9965d527a8fd0N.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\EQUATION\EQNEDT32.EXE	fb76a5b722405efc72c9965d527a8fd0N.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\SOURCE~1\OSE.EXE	fb76a5b722405efc72c9965d527a8fd0N.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\VSTO\10.0\VSTOIN~1.EXE	fb76a5b722405efc72c9965d527a8fd0N.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOOGLE~4.EXE	fb76a5b722405efc72c9965d527a8fd0N.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\BCSSync.exe	fb76a5b722405efc72c9965d527a8fd0N.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSOUC.EXE	fb76a5b722405efc72c9965d527a8fd0N.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\OIS.EXE	fb76a5b722405efc72c9965d527a8fd0N.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\DW\DW20.EXE	fb76a5b722405efc72c9965d527a8fd0N.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\LOGTRA~1.EXE	fb76a5b722405efc72c9965d527a8fd0N.exe
File opened for modification	C:\PROGRA~2\COMMON~1\Adobe\Updater6\ADOBE_~1.EXE	fb76a5b722405efc72c9965d527a8fd0N.exe
File opened for modification	C:\PROGRA~2\COMMON~1\ADOBEA~1\Versions\1.0\ADOBEA~1.EXE	fb76a5b722405efc72c9965d527a8fd0N.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\Oarpmany.exe	fb76a5b722405efc72c9965d527a8fd0N.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\OFFICE~1\ODeploy.exe	fb76a5b722405efc72c9965d527a8fd0N.exe
File opened for modification	C:\PROGRA~2\Google\Update\DISABL~1.EXE	fb76a5b722405efc72c9965d527a8fd0N.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\CLVIEW.EXE	fb76a5b722405efc72c9965d527a8fd0N.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\ADOBEC~1.EXE	fb76a5b722405efc72c9965d527a8fd0N.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSTORE.EXE	fb76a5b722405efc72c9965d527a8fd0N.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\WINWORD.EXE	fb76a5b722405efc72c9965d527a8fd0N.exe
File opened for modification	C:\PROGRA~2\MOZILL~1\UNINST~1.EXE	fb76a5b722405efc72c9965d527a8fd0N.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\setup_wm.exe	fb76a5b722405efc72c9965d527a8fd0N.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\WMPDMC.exe	fb76a5b722405efc72c9965d527a8fd0N.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\GRAPH.EXE	fb76a5b722405efc72c9965d527a8fd0N.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOOGLE~1.EXE	fb76a5b722405efc72c9965d527a8fd0N.exe
File opened for modification	C:\PROGRA~2\INTERN~1\ieinstal.exe	fb76a5b722405efc72c9965d527a8fd0N.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\CNFNOT32.EXE	fb76a5b722405efc72c9965d527a8fd0N.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\WORDICON.EXE	fb76a5b722405efc72c9965d527a8fd0N.exe
File opened for modification	C:\PROGRA~2\MOZILL~1\MAINTE~1.EXE	fb76a5b722405efc72c9965d527a8fd0N.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{61087~1\VCREDI~1.EXE	fb76a5b722405efc72c9965d527a8fd0N.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\MSInfo\msinfo32.exe	fb76a5b722405efc72c9965d527a8fd0N.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\svchost.com	fb76a5b722405efc72c9965d527a8fd0N.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 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

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	fb76a5b722405efc72c9965d527a8fd0N.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\" %*"	fb76a5b722405efc72c9965d527a8fd0N.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 3000 wrote to memory of 2140	3000	fb76a5b722405efc72c9965d527a8fd0N.exe	30
PID 3000 wrote to memory of 2140	3000	fb76a5b722405efc72c9965d527a8fd0N.exe	30
PID 3000 wrote to memory of 2140	3000	fb76a5b722405efc72c9965d527a8fd0N.exe	30
PID 3000 wrote to memory of 2140	3000	fb76a5b722405efc72c9965d527a8fd0N.exe	30

C:\Users\Admin\AppData\Local\Temp\fb76a5b722405efc72c9965d527a8fd0N.exe
"C:\Users\Admin\AppData\Local\Temp\fb76a5b722405efc72c9965d527a8fd0N.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:3000
- C:\Users\Admin\AppData\Local\Temp\3582-490\fb76a5b722405efc72c9965d527a8fd0N.exe
  "C:\Users\Admin\AppData\Local\Temp\3582-490\fb76a5b722405efc72c9965d527a8fd0N.exe"
  2⤵
  - Executes dropped EXE
  PID:2140

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

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\DW20.EXE

Filesize
859KB

MD5
754309b7b83050a50768236ee966224f

SHA1
10ed7efc2e594417ddeb00a42deb8fd9f804ed53

SHA256
acd32dd903e5464b0ecd153fb3f71da520d2e59a63d4c355d9c1874c919d04e6

SHA512
e5aaddf62c08c8fcc1ae3f29df220c5c730a2efa96dd18685ee19f5a9d66c4735bb4416c4828033661990604669ed345415ef2dc096ec75e1ab378dd804b1614

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\fb76a5b722405efc72c9965d527a8fd0N.exe

Filesize
1.5MB

MD5
c1d680ca95873d5772a39b93d3a9ab15

SHA1
f5352bb32a587f484211b43d0c023edb435d294f

SHA256
67e6d8bb2c99c3f87c02189fc48427fe8e9aaff37de7a2c98ac4be2204916093

SHA512
b9b53cdb30b9e7ed9bdc73e5d78c299287268bbcee34aeb0203584a3e95586ce349521bbb0eb940437050d7f05e353a359013873fcaf9af5ac44810def1edb01

Download Submit
memory/3000-84-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/3000-85-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/3000-86-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/3000-87-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/3000-89-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads