neshta | 1a42fd396a33565f4b3edb35324aba481650c4cc392ae429954be70b479a3395

Analysis

max time kernel
21s
max time network
16s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
11-01-2025 19:03

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General

Target

1a42fd396a33565f4b3edb35324aba481650c4cc392ae429954be70b479a3395.exe
Size

439KB
MD5

e9d70155f6129f007a4e0f682b173fba
SHA1

fd0f22dc85d37d8459b3d22ed25675e28b3d90e7
SHA256

1a42fd396a33565f4b3edb35324aba481650c4cc392ae429954be70b479a3395
SHA512

2c7e3ad3eacbfe5110f5aef34449d72d0d4071bd3bcf29f214d9fbac58fed47460ae295b15fe5d8364bfc3953520253ffd974d0a6d8ee6685889f3bee11d5662
SSDEEP

6144:k9P7mwrGyPXu+39MUwHyruaoLMEyUib1pUjDBoP30g/53SfF63:KXGA++2UB0wEybpKHmEgRwF63

Score

10^/10

neshta discovery persistence spyware stealer

Malware Config

Signatures

Detect Neshta payload 3 IoCs

resource	yara_rule
behavioral1/files/0x0001000000010314-9.dat	family_neshta
behavioral1/memory/3036-85-0x0000000000400000-0x000000000041B000-memory.dmp	family_neshta
behavioral1/memory/3036-87-0x0000000000400000-0x000000000041B000-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
2740	1a42fd396a33565f4b3edb35324aba481650c4cc392ae429954be70b479a3395.exe

Loads dropped DLL 2 IoCs

pid	Process
3036	1a42fd396a33565f4b3edb35324aba481650c4cc392ae429954be70b479a3395.exe
3036	1a42fd396a33565f4b3edb35324aba481650c4cc392ae429954be70b479a3395.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\" %*"	1a42fd396a33565f4b3edb35324aba481650c4cc392ae429954be70b479a3395.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\Adobe\READER~1.0\Reader\A3DUTI~1.EXE	1a42fd396a33565f4b3edb35324aba481650c4cc392ae429954be70b479a3395.exe
File opened for modification	C:\PROGRA~2\COMMON~1\ADOBEA~1\Versions\1.0\ADOBEA~1.EXE	1a42fd396a33565f4b3edb35324aba481650c4cc392ae429954be70b479a3395.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\WORDICON.EXE	1a42fd396a33565f4b3edb35324aba481650c4cc392ae429954be70b479a3395.exe
File opened for modification	C:\PROGRA~2\WI4223~1\sidebar.exe	1a42fd396a33565f4b3edb35324aba481650c4cc392ae429954be70b479a3395.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{57A73~1\VC_RED~1.EXE	1a42fd396a33565f4b3edb35324aba481650c4cc392ae429954be70b479a3395.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\LOGTRA~1.EXE	1a42fd396a33565f4b3edb35324aba481650c4cc392ae429954be70b479a3395.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\SOURCE~1\OSE.EXE	1a42fd396a33565f4b3edb35324aba481650c4cc392ae429954be70b479a3395.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\NAMECO~1.EXE	1a42fd396a33565f4b3edb35324aba481650c4cc392ae429954be70b479a3395.exe
File opened for modification	C:\PROGRA~2\WINDOW~1\wab.exe	1a42fd396a33565f4b3edb35324aba481650c4cc392ae429954be70b479a3395.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmpconfig.exe	1a42fd396a33565f4b3edb35324aba481650c4cc392ae429954be70b479a3395.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmplayer.exe	1a42fd396a33565f4b3edb35324aba481650c4cc392ae429954be70b479a3395.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\SETUPF~1\{AC76B~1\Setup.exe	1a42fd396a33565f4b3edb35324aba481650c4cc392ae429954be70b479a3395.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\DW\DWTRIG20.EXE	1a42fd396a33565f4b3edb35324aba481650c4cc392ae429954be70b479a3395.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\IECONT~1.EXE	1a42fd396a33565f4b3edb35324aba481650c4cc392ae429954be70b479a3395.exe
File opened for modification	C:\PROGRA~2\WINDOW~2\ACCESS~1\wordpad.exe	1a42fd396a33565f4b3edb35324aba481650c4cc392ae429954be70b479a3395.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\FLTLDR.EXE	1a42fd396a33565f4b3edb35324aba481650c4cc392ae429954be70b479a3395.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOBD5D~1.EXE	1a42fd396a33565f4b3edb35324aba481650c4cc392ae429954be70b479a3395.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\SELFCERT.EXE	1a42fd396a33565f4b3edb35324aba481650c4cc392ae429954be70b479a3395.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{EF6B0~1\VCREDI~1.EXE	1a42fd396a33565f4b3edb35324aba481650c4cc392ae429954be70b479a3395.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\AcroRd32.exe	1a42fd396a33565f4b3edb35324aba481650c4cc392ae429954be70b479a3395.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSOSYNC.EXE	1a42fd396a33565f4b3edb35324aba481650c4cc392ae429954be70b479a3395.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\OIS.EXE	1a42fd396a33565f4b3edb35324aba481650c4cc392ae429954be70b479a3395.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\MSOXMLED.EXE	1a42fd396a33565f4b3edb35324aba481650c4cc392ae429954be70b479a3395.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\OFFICE~1\Setup.exe	1a42fd396a33565f4b3edb35324aba481650c4cc392ae429954be70b479a3395.exe
File opened for modification	C:\PROGRA~2\Google\Update\DISABL~1.EXE	1a42fd396a33565f4b3edb35324aba481650c4cc392ae429954be70b479a3395.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\1033\ONELEV.EXE	1a42fd396a33565f4b3edb35324aba481650c4cc392ae429954be70b479a3395.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\XLICONS.EXE	1a42fd396a33565f4b3edb35324aba481650c4cc392ae429954be70b479a3395.exe
File opened for modification	C:\PROGRA~2\WINDOW~1\wabmig.exe	1a42fd396a33565f4b3edb35324aba481650c4cc392ae429954be70b479a3395.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmpshare.exe	1a42fd396a33565f4b3edb35324aba481650c4cc392ae429954be70b479a3395.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\ACROBR~1.EXE	1a42fd396a33565f4b3edb35324aba481650c4cc392ae429954be70b479a3395.exe
File opened for modification	C:\PROGRA~2\COMMON~1\Adobe\Updater6\ADOBEU~1.EXE	1a42fd396a33565f4b3edb35324aba481650c4cc392ae429954be70b479a3395.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\VSTO\10.0\VSTOIN~1.EXE	1a42fd396a33565f4b3edb35324aba481650c4cc392ae429954be70b479a3395.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSOUC.EXE	1a42fd396a33565f4b3edb35324aba481650c4cc392ae429954be70b479a3395.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSQRY32.EXE	1a42fd396a33565f4b3edb35324aba481650c4cc392ae429954be70b479a3395.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\ONENOTE.EXE	1a42fd396a33565f4b3edb35324aba481650c4cc392ae429954be70b479a3395.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\ink\mip.exe	1a42fd396a33565f4b3edb35324aba481650c4cc392ae429954be70b479a3395.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\LICLUA.EXE	1a42fd396a33565f4b3edb35324aba481650c4cc392ae429954be70b479a3395.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOOGLE~1.EXE	1a42fd396a33565f4b3edb35324aba481650c4cc392ae429954be70b479a3395.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\WINWORD.EXE	1a42fd396a33565f4b3edb35324aba481650c4cc392ae429954be70b479a3395.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{61087~1\VCREDI~1.EXE	1a42fd396a33565f4b3edb35324aba481650c4cc392ae429954be70b479a3395.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\Eula.exe	1a42fd396a33565f4b3edb35324aba481650c4cc392ae429954be70b479a3395.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOOGLE~3.EXE	1a42fd396a33565f4b3edb35324aba481650c4cc392ae429954be70b479a3395.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\GRAPH.EXE	1a42fd396a33565f4b3edb35324aba481650c4cc392ae429954be70b479a3395.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\WMPDMC.exe	1a42fd396a33565f4b3edb35324aba481650c4cc392ae429954be70b479a3395.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\ADOBEC~1.EXE	1a42fd396a33565f4b3edb35324aba481650c4cc392ae429954be70b479a3395.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Resource\Icons\SC_REA~1.EXE	1a42fd396a33565f4b3edb35324aba481650c4cc392ae429954be70b479a3395.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\OFFICE~1\ODeploy.exe	1a42fd396a33565f4b3edb35324aba481650c4cc392ae429954be70b479a3395.exe
File opened for modification	C:\PROGRA~2\INTERN~1\ieinstal.exe	1a42fd396a33565f4b3edb35324aba481650c4cc392ae429954be70b479a3395.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSOHTMED.EXE	1a42fd396a33565f4b3edb35324aba481650c4cc392ae429954be70b479a3395.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSTORDB.EXE	1a42fd396a33565f4b3edb35324aba481650c4cc392ae429954be70b479a3395.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GO664E~1.EXE	1a42fd396a33565f4b3edb35324aba481650c4cc392ae429954be70b479a3395.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOF5E2~1.EXE	1a42fd396a33565f4b3edb35324aba481650c4cc392ae429954be70b479a3395.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\GROOVEMN.EXE	1a42fd396a33565f4b3edb35324aba481650c4cc392ae429954be70b479a3395.exe
File opened for modification	C:\PROGRA~2\WINDOW~1\WinMail.exe	1a42fd396a33565f4b3edb35324aba481650c4cc392ae429954be70b479a3395.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\MSOICONS.EXE	1a42fd396a33565f4b3edb35324aba481650c4cc392ae429954be70b479a3395.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{CA675~1\VCREDI~1.EXE	1a42fd396a33565f4b3edb35324aba481650c4cc392ae429954be70b479a3395.exe
File opened for modification	C:\PROGRA~2\COMMON~1\Adobe\Updater6\ADOBE_~1.EXE	1a42fd396a33565f4b3edb35324aba481650c4cc392ae429954be70b479a3395.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\MSInfo\msinfo32.exe	1a42fd396a33565f4b3edb35324aba481650c4cc392ae429954be70b479a3395.exe
File opened for modification	C:\PROGRA~2\INTERN~1\ielowutil.exe	1a42fd396a33565f4b3edb35324aba481650c4cc392ae429954be70b479a3395.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\ONENOTEM.EXE	1a42fd396a33565f4b3edb35324aba481650c4cc392ae429954be70b479a3395.exe
File opened for modification	C:\PROGRA~2\MOZILL~1\UNINST~1.EXE	1a42fd396a33565f4b3edb35324aba481650c4cc392ae429954be70b479a3395.exe
File opened for modification	C:\PROGRA~2\WINDOW~4\ImagingDevices.exe	1a42fd396a33565f4b3edb35324aba481650c4cc392ae429954be70b479a3395.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\VPREVIEW.EXE	1a42fd396a33565f4b3edb35324aba481650c4cc392ae429954be70b479a3395.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmprph.exe	1a42fd396a33565f4b3edb35324aba481650c4cc392ae429954be70b479a3395.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\svchost.com	1a42fd396a33565f4b3edb35324aba481650c4cc392ae429954be70b479a3395.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	1a42fd396a33565f4b3edb35324aba481650c4cc392ae429954be70b479a3395.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	1a42fd396a33565f4b3edb35324aba481650c4cc392ae429954be70b479a3395.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\" %*"	1a42fd396a33565f4b3edb35324aba481650c4cc392ae429954be70b479a3395.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 3036 wrote to memory of 2740	3036	1a42fd396a33565f4b3edb35324aba481650c4cc392ae429954be70b479a3395.exe	30
PID 3036 wrote to memory of 2740	3036	1a42fd396a33565f4b3edb35324aba481650c4cc392ae429954be70b479a3395.exe	30
PID 3036 wrote to memory of 2740	3036	1a42fd396a33565f4b3edb35324aba481650c4cc392ae429954be70b479a3395.exe	30
PID 3036 wrote to memory of 2740	3036	1a42fd396a33565f4b3edb35324aba481650c4cc392ae429954be70b479a3395.exe	30

C:\Users\Admin\AppData\Local\Temp\1a42fd396a33565f4b3edb35324aba481650c4cc392ae429954be70b479a3395.exe
"C:\Users\Admin\AppData\Local\Temp\1a42fd396a33565f4b3edb35324aba481650c4cc392ae429954be70b479a3395.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:3036
- C:\Users\Admin\AppData\Local\Temp\3582-490\1a42fd396a33565f4b3edb35324aba481650c4cc392ae429954be70b479a3395.exe
  "C:\Users\Admin\AppData\Local\Temp\3582-490\1a42fd396a33565f4b3edb35324aba481650c4cc392ae429954be70b479a3395.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:2740

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
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\1a42fd396a33565f4b3edb35324aba481650c4cc392ae429954be70b479a3395.exe

Filesize
398KB

MD5
c3825b3964cbd2559db6b307cd65f1ec

SHA1
2145ae2121e0724bae0a74207dbb75e212bca831

SHA256
43a0aca7d18daf4dc8003fd88485e36e8170d973635a734d74a5106fa9226cd5

SHA512
42286fc983b428bf6a9de4a86035f2240fc95c1f2fe420b2446159a183a634217024bfea7e0606294dc5edabec0086e900d538dab988e56905096f9c4c0db99d

Download Submit
memory/2740-11-0x00000000003D0000-0x00000000003D1000-memory.dmp

Filesize
4KB

Download
memory/2740-84-0x0000000000010000-0x0000000000079000-memory.dmp

Filesize
420KB

Download
memory/3036-85-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/3036-87-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads