neshta | 97c23d0c8984f365a0d2517641b93f72283752ed891826d2ee7f8702a307317b

Analysis

max time kernel
16s
max time network
17s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
25-12-2024 16:14

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General

Target

97c23d0c8984f365a0d2517641b93f72283752ed891826d2ee7f8702a307317bN.exe
Size

837KB
MD5

2c1ee0f9b6b20fa6fc2e8505a2f9efe0
SHA1

d1a5399902f1cc3183d1621d60472ba4e863d8bf
SHA256

97c23d0c8984f365a0d2517641b93f72283752ed891826d2ee7f8702a307317b
SHA512

ce93495a4fc8407238fd6bdb242ea5280d56d1fa865d5c9cc75aef42658eb457e3b61a3d7d267348975f3425dc1e857812de16c7b154bb0a1c01a8a845e84269
SSDEEP

3072:sr85CVsdtIkuE3vXzkesZ3G1Gd/m6jVsfDAr28/vje+Ecryvg/NXYn0PXvWVqo/3:k9VIf3nMon4g6asf5vloDBT3eNQf

Score

10^/10

neshta discovery persistence spyware stealer

Malware Config

Signatures

Detect Neshta payload 3 IoCs

resource	yara_rule
behavioral1/files/0x0001000000010314-10.dat	family_neshta
behavioral1/memory/2184-85-0x0000000000400000-0x000000000041B000-memory.dmp	family_neshta
behavioral1/memory/2184-87-0x0000000000400000-0x000000000041B000-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
2008	97c23d0c8984f365a0d2517641b93f72283752ed891826d2ee7f8702a307317bN.exe

Loads dropped DLL 2 IoCs

pid	Process
2184	97c23d0c8984f365a0d2517641b93f72283752ed891826d2ee7f8702a307317bN.exe
2184	97c23d0c8984f365a0d2517641b93f72283752ed891826d2ee7f8702a307317bN.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\" %*"	97c23d0c8984f365a0d2517641b93f72283752ed891826d2ee7f8702a307317bN.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\MICROS~1\Office14\INFOPATH.EXE	97c23d0c8984f365a0d2517641b93f72283752ed891826d2ee7f8702a307317bN.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSTORDB.EXE	97c23d0c8984f365a0d2517641b93f72283752ed891826d2ee7f8702a307317bN.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\ONENOTEM.EXE	97c23d0c8984f365a0d2517641b93f72283752ed891826d2ee7f8702a307317bN.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\WINWORD.EXE	97c23d0c8984f365a0d2517641b93f72283752ed891826d2ee7f8702a307317bN.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\ADOBEC~1.EXE	97c23d0c8984f365a0d2517641b93f72283752ed891826d2ee7f8702a307317bN.exe
File opened for modification	C:\PROGRA~2\COMMON~1\Adobe\Updater6\ADOBEU~1.EXE	97c23d0c8984f365a0d2517641b93f72283752ed891826d2ee7f8702a307317bN.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOBD5D~1.EXE	97c23d0c8984f365a0d2517641b93f72283752ed891826d2ee7f8702a307317bN.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\BCSSync.exe	97c23d0c8984f365a0d2517641b93f72283752ed891826d2ee7f8702a307317bN.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\WMPDMC.exe	97c23d0c8984f365a0d2517641b93f72283752ed891826d2ee7f8702a307317bN.exe
File opened for modification	C:\PROGRA~2\WINDOW~4\ImagingDevices.exe	97c23d0c8984f365a0d2517641b93f72283752ed891826d2ee7f8702a307317bN.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{CA675~1\VCREDI~1.EXE	97c23d0c8984f365a0d2517641b93f72283752ed891826d2ee7f8702a307317bN.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\NAMECO~1.EXE	97c23d0c8984f365a0d2517641b93f72283752ed891826d2ee7f8702a307317bN.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\ONENOTE.EXE	97c23d0c8984f365a0d2517641b93f72283752ed891826d2ee7f8702a307317bN.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmlaunch.exe	97c23d0c8984f365a0d2517641b93f72283752ed891826d2ee7f8702a307317bN.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\TextConv\WksConv\Wkconv.exe	97c23d0c8984f365a0d2517641b93f72283752ed891826d2ee7f8702a307317bN.exe
File opened for modification	C:\PROGRA~2\INTERN~1\ielowutil.exe	97c23d0c8984f365a0d2517641b93f72283752ed891826d2ee7f8702a307317bN.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSOSYNC.EXE	97c23d0c8984f365a0d2517641b93f72283752ed891826d2ee7f8702a307317bN.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSQRY32.EXE	97c23d0c8984f365a0d2517641b93f72283752ed891826d2ee7f8702a307317bN.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\GROOVEMN.EXE	97c23d0c8984f365a0d2517641b93f72283752ed891826d2ee7f8702a307317bN.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\misc.exe	97c23d0c8984f365a0d2517641b93f72283752ed891826d2ee7f8702a307317bN.exe
File opened for modification	C:\PROGRA~2\WINDOW~1\wabmig.exe	97c23d0c8984f365a0d2517641b93f72283752ed891826d2ee7f8702a307317bN.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\SETUPF~1\{AC76B~1\Setup.exe	97c23d0c8984f365a0d2517641b93f72283752ed891826d2ee7f8702a307317bN.exe
File opened for modification	C:\PROGRA~2\COMMON~1\Adobe\Updater6\ADOBE_~1.EXE	97c23d0c8984f365a0d2517641b93f72283752ed891826d2ee7f8702a307317bN.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\DW\DW20.EXE	97c23d0c8984f365a0d2517641b93f72283752ed891826d2ee7f8702a307317bN.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOF5E2~1.EXE	97c23d0c8984f365a0d2517641b93f72283752ed891826d2ee7f8702a307317bN.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\OFFICE~1\Setup.exe	97c23d0c8984f365a0d2517641b93f72283752ed891826d2ee7f8702a307317bN.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOOGLE~3.EXE	97c23d0c8984f365a0d2517641b93f72283752ed891826d2ee7f8702a307317bN.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GO664E~1.EXE	97c23d0c8984f365a0d2517641b93f72283752ed891826d2ee7f8702a307317bN.exe
File opened for modification	C:\PROGRA~2\Google\Update\DISABL~1.EXE	97c23d0c8984f365a0d2517641b93f72283752ed891826d2ee7f8702a307317bN.exe
File opened for modification	C:\PROGRA~2\INTERN~1\ieinstal.exe	97c23d0c8984f365a0d2517641b93f72283752ed891826d2ee7f8702a307317bN.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\POWERPNT.EXE	97c23d0c8984f365a0d2517641b93f72283752ed891826d2ee7f8702a307317bN.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\WORDICON.EXE	97c23d0c8984f365a0d2517641b93f72283752ed891826d2ee7f8702a307317bN.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmpconfig.exe	97c23d0c8984f365a0d2517641b93f72283752ed891826d2ee7f8702a307317bN.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\AcroRd32.exe	97c23d0c8984f365a0d2517641b93f72283752ed891826d2ee7f8702a307317bN.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\FLTLDR.EXE	97c23d0c8984f365a0d2517641b93f72283752ed891826d2ee7f8702a307317bN.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOOGLE~4.EXE	97c23d0c8984f365a0d2517641b93f72283752ed891826d2ee7f8702a307317bN.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOOGLE~2.EXE	97c23d0c8984f365a0d2517641b93f72283752ed891826d2ee7f8702a307317bN.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmpshare.exe	97c23d0c8984f365a0d2517641b93f72283752ed891826d2ee7f8702a307317bN.exe
File opened for modification	C:\PROGRA~2\WINDOW~2\ACCESS~1\wordpad.exe	97c23d0c8984f365a0d2517641b93f72283752ed891826d2ee7f8702a307317bN.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\ACCICONS.EXE	97c23d0c8984f365a0d2517641b93f72283752ed891826d2ee7f8702a307317bN.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSOUC.EXE	97c23d0c8984f365a0d2517641b93f72283752ed891826d2ee7f8702a307317bN.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\OIS.EXE	97c23d0c8984f365a0d2517641b93f72283752ed891826d2ee7f8702a307317bN.exe
File opened for modification	C:\PROGRA~2\WINDOW~1\WinMail.exe	97c23d0c8984f365a0d2517641b93f72283752ed891826d2ee7f8702a307317bN.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\DW\DWTRIG20.EXE	97c23d0c8984f365a0d2517641b93f72283752ed891826d2ee7f8702a307317bN.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\CNFNOT32.EXE	97c23d0c8984f365a0d2517641b93f72283752ed891826d2ee7f8702a307317bN.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\XLICONS.EXE	97c23d0c8984f365a0d2517641b93f72283752ed891826d2ee7f8702a307317bN.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\setup_wm.exe	97c23d0c8984f365a0d2517641b93f72283752ed891826d2ee7f8702a307317bN.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\Oarpmany.exe	97c23d0c8984f365a0d2517641b93f72283752ed891826d2ee7f8702a307317bN.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmplayer.exe	97c23d0c8984f365a0d2517641b93f72283752ed891826d2ee7f8702a307317bN.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{33D1F~1\VCREDI~1.EXE	97c23d0c8984f365a0d2517641b93f72283752ed891826d2ee7f8702a307317bN.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\VSTO\10.0\VSTOIN~1.EXE	97c23d0c8984f365a0d2517641b93f72283752ed891826d2ee7f8702a307317bN.exe
File opened for modification	C:\PROGRA~2\INTERN~1\iexplore.exe	97c23d0c8984f365a0d2517641b93f72283752ed891826d2ee7f8702a307317bN.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\CLVIEW.EXE	97c23d0c8984f365a0d2517641b93f72283752ed891826d2ee7f8702a307317bN.exe
File opened for modification	C:\PROGRA~2\MOZILL~1\UNINST~1.EXE	97c23d0c8984f365a0d2517641b93f72283752ed891826d2ee7f8702a307317bN.exe
File opened for modification	C:\PROGRA~2\MOZILL~1\MAINTE~1.EXE	97c23d0c8984f365a0d2517641b93f72283752ed891826d2ee7f8702a307317bN.exe
File opened for modification	C:\PROGRA~2\WINDOW~1\wab.exe	97c23d0c8984f365a0d2517641b93f72283752ed891826d2ee7f8702a307317bN.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmprph.exe	97c23d0c8984f365a0d2517641b93f72283752ed891826d2ee7f8702a307317bN.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\LOGTRA~1.EXE	97c23d0c8984f365a0d2517641b93f72283752ed891826d2ee7f8702a307317bN.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\EQUATION\EQNEDT32.EXE	97c23d0c8984f365a0d2517641b93f72283752ed891826d2ee7f8702a307317bN.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\MSInfo\msinfo32.exe	97c23d0c8984f365a0d2517641b93f72283752ed891826d2ee7f8702a307317bN.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\SELFCERT.EXE	97c23d0c8984f365a0d2517641b93f72283752ed891826d2ee7f8702a307317bN.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\MSOXMLED.EXE	97c23d0c8984f365a0d2517641b93f72283752ed891826d2ee7f8702a307317bN.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\SOURCE~1\OSE.EXE	97c23d0c8984f365a0d2517641b93f72283752ed891826d2ee7f8702a307317bN.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\VPREVIEW.EXE	97c23d0c8984f365a0d2517641b93f72283752ed891826d2ee7f8702a307317bN.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\svchost.com	97c23d0c8984f365a0d2517641b93f72283752ed891826d2ee7f8702a307317bN.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	97c23d0c8984f365a0d2517641b93f72283752ed891826d2ee7f8702a307317bN.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\" %*"	97c23d0c8984f365a0d2517641b93f72283752ed891826d2ee7f8702a307317bN.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2184 wrote to memory of 2008	2184	97c23d0c8984f365a0d2517641b93f72283752ed891826d2ee7f8702a307317bN.exe	30
PID 2184 wrote to memory of 2008	2184	97c23d0c8984f365a0d2517641b93f72283752ed891826d2ee7f8702a307317bN.exe	30
PID 2184 wrote to memory of 2008	2184	97c23d0c8984f365a0d2517641b93f72283752ed891826d2ee7f8702a307317bN.exe	30
PID 2184 wrote to memory of 2008	2184	97c23d0c8984f365a0d2517641b93f72283752ed891826d2ee7f8702a307317bN.exe	30
PID 2008 wrote to memory of 1252	2008	97c23d0c8984f365a0d2517641b93f72283752ed891826d2ee7f8702a307317bN.exe	31
PID 2008 wrote to memory of 1252	2008	97c23d0c8984f365a0d2517641b93f72283752ed891826d2ee7f8702a307317bN.exe	31
PID 2008 wrote to memory of 1252	2008	97c23d0c8984f365a0d2517641b93f72283752ed891826d2ee7f8702a307317bN.exe	31

C:\Users\Admin\AppData\Local\Temp\97c23d0c8984f365a0d2517641b93f72283752ed891826d2ee7f8702a307317bN.exe
"C:\Users\Admin\AppData\Local\Temp\97c23d0c8984f365a0d2517641b93f72283752ed891826d2ee7f8702a307317bN.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:2184
- C:\Users\Admin\AppData\Local\Temp\3582-490\97c23d0c8984f365a0d2517641b93f72283752ed891826d2ee7f8702a307317bN.exe
  "C:\Users\Admin\AppData\Local\Temp\3582-490\97c23d0c8984f365a0d2517641b93f72283752ed891826d2ee7f8702a307317bN.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of WriteProcessMemory
  PID:2008
- - C:\Windows\system32\WerFault.exe
    C:\Windows\system32\WerFault.exe -u -p 2008 -s 528
    3⤵
    PID:1252

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\97c23d0c8984f365a0d2517641b93f72283752ed891826d2ee7f8702a307317bN.exe

Filesize
797KB

MD5
3f625a2fde17c15fdb3dc2981a37e994

SHA1
75a833c81d58942a65c840975f6967ba3b9a89e0

SHA256
9cd67ebdb097539c8f692610b27c66e672eec0e5846a13ba9ea02915a67290e0

SHA512
8f9a1fbc7466bfcef615b1d4cc0a4958f84baace2a73068fb373ce2956b20b2f8b84a6f98f4b4a039b9f8542b47d8ee4cc8f902e7937fc6f5985e57f1f38b9e9

Download Submit
memory/2008-11-0x000007FEF59A3000-0x000007FEF59A4000-memory.dmp

Filesize
4KB

Download
memory/2008-12-0x0000000000CF0000-0x0000000000DBA000-memory.dmp

Filesize
808KB

Download
memory/2184-85-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/2184-87-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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