neshta | 331f0cc8745260fd5597bebe324bdcba92335183545d8d9e782f6a80011d09c8

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 00:03

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General

Target

331f0cc8745260fd5597bebe324bdcba92335183545d8d9e782f6a80011d09c8N.exe
Size

944KB
MD5

bf87c19c959a4453c8ca1ff114d3eec0
SHA1

9d7758607f9f901d9f89320b24eaefa7f602154c
SHA256

331f0cc8745260fd5597bebe324bdcba92335183545d8d9e782f6a80011d09c8
SHA512

211fd312910f8576f6ed739e1f2f8e4922706d9556d83872c865c6e5026a6323f9189c460327bf7cbf9138ab4561848a69e885eb8170d913d6d478657e13f209
SSDEEP

12288:lzeB/vtDBrhOGd9X8WoKxD/g7YRbKMIvsexWDyNjxsPI6ZpwM0SP3+Ij6J:xeZVDBdxLiEF2vfxxp6ZpwM0I+X

Score

10^/10

neshta discovery persistence spyware stealer

Malware Config

Signatures

Detect Neshta payload 3 IoCs

resource	yara_rule
behavioral1/files/0x0001000000010319-9.dat	family_neshta
behavioral1/memory/1164-83-0x0000000000400000-0x000000000041B000-memory.dmp	family_neshta
behavioral1/memory/1164-85-0x0000000000400000-0x000000000041B000-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

Executes dropped EXE 1 IoCs

pid	Process
2848	331f0cc8745260fd5597bebe324bdcba92335183545d8d9e782f6a80011d09c8N.exe

Loads dropped DLL 2 IoCs

pid	Process
1164	331f0cc8745260fd5597bebe324bdcba92335183545d8d9e782f6a80011d09c8N.exe
1164	331f0cc8745260fd5597bebe324bdcba92335183545d8d9e782f6a80011d09c8N.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\" %*"	331f0cc8745260fd5597bebe324bdcba92335183545d8d9e782f6a80011d09c8N.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\WINDOW~1\wab.exe	331f0cc8745260fd5597bebe324bdcba92335183545d8d9e782f6a80011d09c8N.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\WMPDMC.exe	331f0cc8745260fd5597bebe324bdcba92335183545d8d9e782f6a80011d09c8N.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSOUC.EXE	331f0cc8745260fd5597bebe324bdcba92335183545d8d9e782f6a80011d09c8N.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\PPTICO.EXE	331f0cc8745260fd5597bebe324bdcba92335183545d8d9e782f6a80011d09c8N.exe
File opened for modification	C:\PROGRA~2\INTERN~1\ieinstal.exe	331f0cc8745260fd5597bebe324bdcba92335183545d8d9e782f6a80011d09c8N.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\WORDICON.EXE	331f0cc8745260fd5597bebe324bdcba92335183545d8d9e782f6a80011d09c8N.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmprph.exe	331f0cc8745260fd5597bebe324bdcba92335183545d8d9e782f6a80011d09c8N.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOOGLE~3.EXE	331f0cc8745260fd5597bebe324bdcba92335183545d8d9e782f6a80011d09c8N.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOOGLE~2.EXE	331f0cc8745260fd5597bebe324bdcba92335183545d8d9e782f6a80011d09c8N.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\OFFICE~1\Setup.exe	331f0cc8745260fd5597bebe324bdcba92335183545d8d9e782f6a80011d09c8N.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\VSTO\10.0\VSTOIN~1.EXE	331f0cc8745260fd5597bebe324bdcba92335183545d8d9e782f6a80011d09c8N.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSOSYNC.EXE	331f0cc8745260fd5597bebe324bdcba92335183545d8d9e782f6a80011d09c8N.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSQRY32.EXE	331f0cc8745260fd5597bebe324bdcba92335183545d8d9e782f6a80011d09c8N.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\WINWORD.EXE	331f0cc8745260fd5597bebe324bdcba92335183545d8d9e782f6a80011d09c8N.exe
File opened for modification	C:\PROGRA~2\MOZILL~1\UNINST~1.EXE	331f0cc8745260fd5597bebe324bdcba92335183545d8d9e782f6a80011d09c8N.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\DW\DWTRIG20.EXE	331f0cc8745260fd5597bebe324bdcba92335183545d8d9e782f6a80011d09c8N.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\LICLUA.EXE	331f0cc8745260fd5597bebe324bdcba92335183545d8d9e782f6a80011d09c8N.exe
File opened for modification	C:\PROGRA~2\WINDOW~1\wabmig.exe	331f0cc8745260fd5597bebe324bdcba92335183545d8d9e782f6a80011d09c8N.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmpconfig.exe	331f0cc8745260fd5597bebe324bdcba92335183545d8d9e782f6a80011d09c8N.exe
File opened for modification	C:\PROGRA~2\WINDOW~4\ImagingDevices.exe	331f0cc8745260fd5597bebe324bdcba92335183545d8d9e782f6a80011d09c8N.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\ACROBR~1.EXE	331f0cc8745260fd5597bebe324bdcba92335183545d8d9e782f6a80011d09c8N.exe
File opened for modification	C:\PROGRA~2\COMMON~1\Adobe\Updater6\ADOBE_~1.EXE	331f0cc8745260fd5597bebe324bdcba92335183545d8d9e782f6a80011d09c8N.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\BCSSync.exe	331f0cc8745260fd5597bebe324bdcba92335183545d8d9e782f6a80011d09c8N.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\misc.exe	331f0cc8745260fd5597bebe324bdcba92335183545d8d9e782f6a80011d09c8N.exe
File opened for modification	C:\PROGRA~2\WINDOW~2\ACCESS~1\wordpad.exe	331f0cc8745260fd5597bebe324bdcba92335183545d8d9e782f6a80011d09c8N.exe
File opened for modification	C:\PROGRA~2\WI4223~1\sidebar.exe	331f0cc8745260fd5597bebe324bdcba92335183545d8d9e782f6a80011d09c8N.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{CA675~1\VCREDI~1.EXE	331f0cc8745260fd5597bebe324bdcba92335183545d8d9e782f6a80011d09c8N.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\ADOBEC~1.EXE	331f0cc8745260fd5597bebe324bdcba92335183545d8d9e782f6a80011d09c8N.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOBD5D~1.EXE	331f0cc8745260fd5597bebe324bdcba92335183545d8d9e782f6a80011d09c8N.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{4D8DC~1\VC_RED~1.EXE	331f0cc8745260fd5597bebe324bdcba92335183545d8d9e782f6a80011d09c8N.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOOGLE~4.EXE	331f0cc8745260fd5597bebe324bdcba92335183545d8d9e782f6a80011d09c8N.exe
File opened for modification	C:\PROGRA~2\MOZILL~1\MAINTE~1.EXE	331f0cc8745260fd5597bebe324bdcba92335183545d8d9e782f6a80011d09c8N.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\EQUATION\EQNEDT32.EXE	331f0cc8745260fd5597bebe324bdcba92335183545d8d9e782f6a80011d09c8N.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOOGLE~1.EXE	331f0cc8745260fd5597bebe324bdcba92335183545d8d9e782f6a80011d09c8N.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOF5E2~1.EXE	331f0cc8745260fd5597bebe324bdcba92335183545d8d9e782f6a80011d09c8N.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSTORDB.EXE	331f0cc8745260fd5597bebe324bdcba92335183545d8d9e782f6a80011d09c8N.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\POWERPNT.EXE	331f0cc8745260fd5597bebe324bdcba92335183545d8d9e782f6a80011d09c8N.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{57A73~1\VC_RED~1.EXE	331f0cc8745260fd5597bebe324bdcba92335183545d8d9e782f6a80011d09c8N.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\AcroRd32.exe	331f0cc8745260fd5597bebe324bdcba92335183545d8d9e782f6a80011d09c8N.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\LOGTRA~1.EXE	331f0cc8745260fd5597bebe324bdcba92335183545d8d9e782f6a80011d09c8N.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{61087~1\VCREDI~1.EXE	331f0cc8745260fd5597bebe324bdcba92335183545d8d9e782f6a80011d09c8N.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\NAMECO~1.EXE	331f0cc8745260fd5597bebe324bdcba92335183545d8d9e782f6a80011d09c8N.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\ONENOTEM.EXE	331f0cc8745260fd5597bebe324bdcba92335183545d8d9e782f6a80011d09c8N.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Resource\Icons\SC_REA~1.EXE	331f0cc8745260fd5597bebe324bdcba92335183545d8d9e782f6a80011d09c8N.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\FLTLDR.EXE	331f0cc8745260fd5597bebe324bdcba92335183545d8d9e782f6a80011d09c8N.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GO664E~1.EXE	331f0cc8745260fd5597bebe324bdcba92335183545d8d9e782f6a80011d09c8N.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSTORE.EXE	331f0cc8745260fd5597bebe324bdcba92335183545d8d9e782f6a80011d09c8N.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\OIS.EXE	331f0cc8745260fd5597bebe324bdcba92335183545d8d9e782f6a80011d09c8N.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\setup_wm.exe	331f0cc8745260fd5597bebe324bdcba92335183545d8d9e782f6a80011d09c8N.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\MSOICONS.EXE	331f0cc8745260fd5597bebe324bdcba92335183545d8d9e782f6a80011d09c8N.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\MSOXMLED.EXE	331f0cc8745260fd5597bebe324bdcba92335183545d8d9e782f6a80011d09c8N.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\SOURCE~1\OSE.EXE	331f0cc8745260fd5597bebe324bdcba92335183545d8d9e782f6a80011d09c8N.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\1033\ONELEV.EXE	331f0cc8745260fd5597bebe324bdcba92335183545d8d9e782f6a80011d09c8N.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSOHTMED.EXE	331f0cc8745260fd5597bebe324bdcba92335183545d8d9e782f6a80011d09c8N.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\VPREVIEW.EXE	331f0cc8745260fd5597bebe324bdcba92335183545d8d9e782f6a80011d09c8N.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\DW\DW20.EXE	331f0cc8745260fd5597bebe324bdcba92335183545d8d9e782f6a80011d09c8N.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\Oarpmany.exe	331f0cc8745260fd5597bebe324bdcba92335183545d8d9e782f6a80011d09c8N.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\ink\mip.exe	331f0cc8745260fd5597bebe324bdcba92335183545d8d9e782f6a80011d09c8N.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\SETUPF~1\{AC76B~1\Setup.exe	331f0cc8745260fd5597bebe324bdcba92335183545d8d9e782f6a80011d09c8N.exe
File opened for modification	C:\PROGRA~2\COMMON~1\Adobe\Updater6\ADOBEU~1.EXE	331f0cc8745260fd5597bebe324bdcba92335183545d8d9e782f6a80011d09c8N.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\XLICONS.EXE	331f0cc8745260fd5597bebe324bdcba92335183545d8d9e782f6a80011d09c8N.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmlaunch.exe	331f0cc8745260fd5597bebe324bdcba92335183545d8d9e782f6a80011d09c8N.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\MSInfo\msinfo32.exe	331f0cc8745260fd5597bebe324bdcba92335183545d8d9e782f6a80011d09c8N.exe
File opened for modification	C:\PROGRA~2\INTERN~1\iexplore.exe	331f0cc8745260fd5597bebe324bdcba92335183545d8d9e782f6a80011d09c8N.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\svchost.com	331f0cc8745260fd5597bebe324bdcba92335183545d8d9e782f6a80011d09c8N.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	331f0cc8745260fd5597bebe324bdcba92335183545d8d9e782f6a80011d09c8N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	331f0cc8745260fd5597bebe324bdcba92335183545d8d9e782f6a80011d09c8N.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\" %*"	331f0cc8745260fd5597bebe324bdcba92335183545d8d9e782f6a80011d09c8N.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2848	331f0cc8745260fd5597bebe324bdcba92335183545d8d9e782f6a80011d09c8N.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1164 wrote to memory of 2848	1164	331f0cc8745260fd5597bebe324bdcba92335183545d8d9e782f6a80011d09c8N.exe	29
PID 1164 wrote to memory of 2848	1164	331f0cc8745260fd5597bebe324bdcba92335183545d8d9e782f6a80011d09c8N.exe	29
PID 1164 wrote to memory of 2848	1164	331f0cc8745260fd5597bebe324bdcba92335183545d8d9e782f6a80011d09c8N.exe	29
PID 1164 wrote to memory of 2848	1164	331f0cc8745260fd5597bebe324bdcba92335183545d8d9e782f6a80011d09c8N.exe	29

C:\Users\Admin\AppData\Local\Temp\331f0cc8745260fd5597bebe324bdcba92335183545d8d9e782f6a80011d09c8N.exe
"C:\Users\Admin\AppData\Local\Temp\331f0cc8745260fd5597bebe324bdcba92335183545d8d9e782f6a80011d09c8N.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:1164
- C:\Users\Admin\AppData\Local\Temp\3582-490\331f0cc8745260fd5597bebe324bdcba92335183545d8d9e782f6a80011d09c8N.exe
  "C:\Users\Admin\AppData\Local\Temp\3582-490\331f0cc8745260fd5597bebe324bdcba92335183545d8d9e782f6a80011d09c8N.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  PID:2848

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

Replay Monitor

Loading Replay Monitor...

Downloads

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

Filesize
547KB

MD5
cf6c595d3e5e9667667af096762fd9c4

SHA1
9bb44da8d7f6457099cb56e4f7d1026963dce7ce

SHA256
593e60cc30ae0789448547195af77f550387f6648d45847ea244dd0dd7abf03d

SHA512
ff4f789df9e6a6d0fbe12b3250f951fcf11e857906c65e96a30bb46266e7e1180d6103a03db2f3764e0d1346b2de7afba8259ba080057e4a268e45e8654dfa80

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\331f0cc8745260fd5597bebe324bdcba92335183545d8d9e782f6a80011d09c8N.exe

Filesize
904KB

MD5
93319d7add53c7c8c364012d5b61f3c6

SHA1
b78f3c6e393b029a1596ad4c9671e2ec9c9a4f39

SHA256
9d053f657250bc0705d84644a3d05eb9d008f75a52d360b772140eea5e271c66

SHA512
f2b638483bc29c6a766041c434b79a574f34e1ddcd3cc2b5ac6bf4f970a74af919f531fd1868e0ac28dcc1eeb88646f9ee428d6f916a1beacf174e11e08f2361

Download Submit
memory/1164-83-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/1164-85-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download