neshta | a9b6b66f8dee0bb9a341444993fa9c37a681b6037d765aa69270ef61e0addb58

Analysis

max time kernel
83s
max time network
19s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
16-12-2024 01:32

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General

Target

a9b6b66f8dee0bb9a341444993fa9c37a681b6037d765aa69270ef61e0addb58N.exe
Size

3.0MB
MD5

6c46c707246851443029ac8f8f8b7420
SHA1

fd37899d8cff4b0dbb50ddc5e4d4aadad6feda2a
SHA256

a9b6b66f8dee0bb9a341444993fa9c37a681b6037d765aa69270ef61e0addb58
SHA512

3e025eb96d3f1f7cc282816a336e12e51b797263585db23ee089eabd889090df41c953b5ac86d4e7f9c70999169becee8f97b983ffaacfa922fb2e3e20f942ae
SSDEEP

49152:HcHhHAR1gGMFbrNrybwSay8+BLKuhc5a2wxbK+E0RJg6M9GOPqWUovCq0L:3fScNDc5a2wZVKGwL7vf0L

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
2596	a9b6b66f8dee0bb9a341444993fa9c37a681b6037d765aa69270ef61e0addb58N.exe

Loads dropped DLL 2 IoCs

pid	Process
540	a9b6b66f8dee0bb9a341444993fa9c37a681b6037d765aa69270ef61e0addb58N.exe
540	a9b6b66f8dee0bb9a341444993fa9c37a681b6037d765aa69270ef61e0addb58N.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\" %*"	a9b6b66f8dee0bb9a341444993fa9c37a681b6037d765aa69270ef61e0addb58N.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\ACROBR~1.EXE	a9b6b66f8dee0bb9a341444993fa9c37a681b6037d765aa69270ef61e0addb58N.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\LOGTRA~1.EXE	a9b6b66f8dee0bb9a341444993fa9c37a681b6037d765aa69270ef61e0addb58N.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\ink\mip.exe	a9b6b66f8dee0bb9a341444993fa9c37a681b6037d765aa69270ef61e0addb58N.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\NAMECO~1.EXE	a9b6b66f8dee0bb9a341444993fa9c37a681b6037d765aa69270ef61e0addb58N.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\OIS.EXE	a9b6b66f8dee0bb9a341444993fa9c37a681b6037d765aa69270ef61e0addb58N.exe
File opened for modification	C:\PROGRA~2\WINDOW~1\wab.exe	a9b6b66f8dee0bb9a341444993fa9c37a681b6037d765aa69270ef61e0addb58N.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOOGLE~4.EXE	a9b6b66f8dee0bb9a341444993fa9c37a681b6037d765aa69270ef61e0addb58N.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOOGLE~2.EXE	a9b6b66f8dee0bb9a341444993fa9c37a681b6037d765aa69270ef61e0addb58N.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOF5E2~1.EXE	a9b6b66f8dee0bb9a341444993fa9c37a681b6037d765aa69270ef61e0addb58N.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\misc.exe	a9b6b66f8dee0bb9a341444993fa9c37a681b6037d765aa69270ef61e0addb58N.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\Oarpmany.exe	a9b6b66f8dee0bb9a341444993fa9c37a681b6037d765aa69270ef61e0addb58N.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\SOURCE~1\OSE.EXE	a9b6b66f8dee0bb9a341444993fa9c37a681b6037d765aa69270ef61e0addb58N.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\TextConv\WksConv\Wkconv.exe	a9b6b66f8dee0bb9a341444993fa9c37a681b6037d765aa69270ef61e0addb58N.exe
File opened for modification	C:\PROGRA~2\WINDOW~1\wabmig.exe	a9b6b66f8dee0bb9a341444993fa9c37a681b6037d765aa69270ef61e0addb58N.exe
File opened for modification	C:\PROGRA~2\WINDOW~2\ACCESS~1\wordpad.exe	a9b6b66f8dee0bb9a341444993fa9c37a681b6037d765aa69270ef61e0addb58N.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\MSOICONS.EXE	a9b6b66f8dee0bb9a341444993fa9c37a681b6037d765aa69270ef61e0addb58N.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSOHTMED.EXE	a9b6b66f8dee0bb9a341444993fa9c37a681b6037d765aa69270ef61e0addb58N.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSOUC.EXE	a9b6b66f8dee0bb9a341444993fa9c37a681b6037d765aa69270ef61e0addb58N.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmpshare.exe	a9b6b66f8dee0bb9a341444993fa9c37a681b6037d765aa69270ef61e0addb58N.exe
File opened for modification	C:\PROGRA~2\WINDOW~4\ImagingDevices.exe	a9b6b66f8dee0bb9a341444993fa9c37a681b6037d765aa69270ef61e0addb58N.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\DW\DW20.EXE	a9b6b66f8dee0bb9a341444993fa9c37a681b6037d765aa69270ef61e0addb58N.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\DW\DWTRIG20.EXE	a9b6b66f8dee0bb9a341444993fa9c37a681b6037d765aa69270ef61e0addb58N.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\GRAPH.EXE	a9b6b66f8dee0bb9a341444993fa9c37a681b6037d765aa69270ef61e0addb58N.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSQRY32.EXE	a9b6b66f8dee0bb9a341444993fa9c37a681b6037d765aa69270ef61e0addb58N.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\POWERPNT.EXE	a9b6b66f8dee0bb9a341444993fa9c37a681b6037d765aa69270ef61e0addb58N.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\SELFCERT.EXE	a9b6b66f8dee0bb9a341444993fa9c37a681b6037d765aa69270ef61e0addb58N.exe
File opened for modification	C:\PROGRA~2\MOZILL~1\MAINTE~1.EXE	a9b6b66f8dee0bb9a341444993fa9c37a681b6037d765aa69270ef61e0addb58N.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\AcroRd32.exe	a9b6b66f8dee0bb9a341444993fa9c37a681b6037d765aa69270ef61e0addb58N.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOBD5D~1.EXE	a9b6b66f8dee0bb9a341444993fa9c37a681b6037d765aa69270ef61e0addb58N.exe
File opened for modification	C:\PROGRA~2\INTERN~1\ieinstal.exe	a9b6b66f8dee0bb9a341444993fa9c37a681b6037d765aa69270ef61e0addb58N.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\ONENOTE.EXE	a9b6b66f8dee0bb9a341444993fa9c37a681b6037d765aa69270ef61e0addb58N.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmlaunch.exe	a9b6b66f8dee0bb9a341444993fa9c37a681b6037d765aa69270ef61e0addb58N.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmplayer.exe	a9b6b66f8dee0bb9a341444993fa9c37a681b6037d765aa69270ef61e0addb58N.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\EQUATION\EQNEDT32.EXE	a9b6b66f8dee0bb9a341444993fa9c37a681b6037d765aa69270ef61e0addb58N.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\CLVIEW.EXE	a9b6b66f8dee0bb9a341444993fa9c37a681b6037d765aa69270ef61e0addb58N.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\GROOVEMN.EXE	a9b6b66f8dee0bb9a341444993fa9c37a681b6037d765aa69270ef61e0addb58N.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\IECONT~1.EXE	a9b6b66f8dee0bb9a341444993fa9c37a681b6037d765aa69270ef61e0addb58N.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\WORDICON.EXE	a9b6b66f8dee0bb9a341444993fa9c37a681b6037d765aa69270ef61e0addb58N.exe
File opened for modification	C:\PROGRA~2\WI4223~1\sidebar.exe	a9b6b66f8dee0bb9a341444993fa9c37a681b6037d765aa69270ef61e0addb58N.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\A3DUTI~1.EXE	a9b6b66f8dee0bb9a341444993fa9c37a681b6037d765aa69270ef61e0addb58N.exe
File opened for modification	C:\PROGRA~2\COMMON~1\Adobe\Updater6\ADOBEU~1.EXE	a9b6b66f8dee0bb9a341444993fa9c37a681b6037d765aa69270ef61e0addb58N.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\OFFICE~1\ODeploy.exe	a9b6b66f8dee0bb9a341444993fa9c37a681b6037d765aa69270ef61e0addb58N.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSTORDB.EXE	a9b6b66f8dee0bb9a341444993fa9c37a681b6037d765aa69270ef61e0addb58N.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\ACCICONS.EXE	a9b6b66f8dee0bb9a341444993fa9c37a681b6037d765aa69270ef61e0addb58N.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\VPREVIEW.EXE	a9b6b66f8dee0bb9a341444993fa9c37a681b6037d765aa69270ef61e0addb58N.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\setup_wm.exe	a9b6b66f8dee0bb9a341444993fa9c37a681b6037d765aa69270ef61e0addb58N.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOOGLE~3.EXE	a9b6b66f8dee0bb9a341444993fa9c37a681b6037d765aa69270ef61e0addb58N.exe
File opened for modification	C:\PROGRA~2\MOZILL~1\UNINST~1.EXE	a9b6b66f8dee0bb9a341444993fa9c37a681b6037d765aa69270ef61e0addb58N.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{CA675~1\VCREDI~1.EXE	a9b6b66f8dee0bb9a341444993fa9c37a681b6037d765aa69270ef61e0addb58N.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSOSYNC.EXE	a9b6b66f8dee0bb9a341444993fa9c37a681b6037d765aa69270ef61e0addb58N.exe
File opened for modification	C:\PROGRA~2\WINDOW~1\WinMail.exe	a9b6b66f8dee0bb9a341444993fa9c37a681b6037d765aa69270ef61e0addb58N.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\LICLUA.EXE	a9b6b66f8dee0bb9a341444993fa9c37a681b6037d765aa69270ef61e0addb58N.exe
File opened for modification	C:\PROGRA~2\INTERN~1\ielowutil.exe	a9b6b66f8dee0bb9a341444993fa9c37a681b6037d765aa69270ef61e0addb58N.exe
File opened for modification	C:\PROGRA~2\INTERN~1\iexplore.exe	a9b6b66f8dee0bb9a341444993fa9c37a681b6037d765aa69270ef61e0addb58N.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\INFOPATH.EXE	a9b6b66f8dee0bb9a341444993fa9c37a681b6037d765aa69270ef61e0addb58N.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\WINWORD.EXE	a9b6b66f8dee0bb9a341444993fa9c37a681b6037d765aa69270ef61e0addb58N.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{57A73~1\VC_RED~1.EXE	a9b6b66f8dee0bb9a341444993fa9c37a681b6037d765aa69270ef61e0addb58N.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\Eula.exe	a9b6b66f8dee0bb9a341444993fa9c37a681b6037d765aa69270ef61e0addb58N.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\MSInfo\msinfo32.exe	a9b6b66f8dee0bb9a341444993fa9c37a681b6037d765aa69270ef61e0addb58N.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\VSTO\10.0\VSTOIN~1.EXE	a9b6b66f8dee0bb9a341444993fa9c37a681b6037d765aa69270ef61e0addb58N.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GO664E~1.EXE	a9b6b66f8dee0bb9a341444993fa9c37a681b6037d765aa69270ef61e0addb58N.exe
File opened for modification	C:\PROGRA~2\COMMON~1\Adobe\Updater6\ADOBE_~1.EXE	a9b6b66f8dee0bb9a341444993fa9c37a681b6037d765aa69270ef61e0addb58N.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\MSOXMLED.EXE	a9b6b66f8dee0bb9a341444993fa9c37a681b6037d765aa69270ef61e0addb58N.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\PPTICO.EXE	a9b6b66f8dee0bb9a341444993fa9c37a681b6037d765aa69270ef61e0addb58N.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\svchost.com	a9b6b66f8dee0bb9a341444993fa9c37a681b6037d765aa69270ef61e0addb58N.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	a9b6b66f8dee0bb9a341444993fa9c37a681b6037d765aa69270ef61e0addb58N.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\" %*"	a9b6b66f8dee0bb9a341444993fa9c37a681b6037d765aa69270ef61e0addb58N.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 540 wrote to memory of 2596	540	a9b6b66f8dee0bb9a341444993fa9c37a681b6037d765aa69270ef61e0addb58N.exe	31
PID 540 wrote to memory of 2596	540	a9b6b66f8dee0bb9a341444993fa9c37a681b6037d765aa69270ef61e0addb58N.exe	31
PID 540 wrote to memory of 2596	540	a9b6b66f8dee0bb9a341444993fa9c37a681b6037d765aa69270ef61e0addb58N.exe	31
PID 540 wrote to memory of 2596	540	a9b6b66f8dee0bb9a341444993fa9c37a681b6037d765aa69270ef61e0addb58N.exe	31

C:\Users\Admin\AppData\Local\Temp\a9b6b66f8dee0bb9a341444993fa9c37a681b6037d765aa69270ef61e0addb58N.exe
"C:\Users\Admin\AppData\Local\Temp\a9b6b66f8dee0bb9a341444993fa9c37a681b6037d765aa69270ef61e0addb58N.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:540
- C:\Users\Admin\AppData\Local\Temp\3582-490\a9b6b66f8dee0bb9a341444993fa9c37a681b6037d765aa69270ef61e0addb58N.exe
  "C:\Users\Admin\AppData\Local\Temp\3582-490\a9b6b66f8dee0bb9a341444993fa9c37a681b6037d765aa69270ef61e0addb58N.exe"
  2⤵
  - Executes dropped EXE
  PID:2596

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
75a2a8802845cc8720f7c49d68b8048c

SHA1
99275e230521ca70b971c755c9b05ae587496cd0

SHA256
a1aa4bf4af5e00fd4d54a5b4552aae368b92e6b60494025762c27647ff6901e0

SHA512
5ab14f273aad0cfe8fe4c37fab2b4d13ad24b0a82394bcef647162b20deef7d5544022b034a43432713d214c008496aadd4b8d2495e431af879c47ada1c3956d

Download Submit
C:\Users\Admin\AppData\Local\Temp\3582-490\a9b6b66f8dee0bb9a341444993fa9c37a681b6037d765aa69270ef61e0addb58N.exe

Filesize
3.0MB

MD5
6317b07d7ee7ea48b0a1f62b1680d9fd

SHA1
75d8977571ee3ec39916c473a7b4eb9bacfd1c0d

SHA256
a4ee797aa4da4663f5ce0f24f351a32428a6e9e0bfe1e72511bd04572f86eea7

SHA512
fd58c5358c2d891b28f1a0c119955fca7c438a14ceb0bd8dafae56e170e985cdcf266ee351bab692b8dcc92d2e44a58b12f28c5745cb17cea25a5d1688dc4571

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

Filesize
252KB

MD5
9e2b9928c89a9d0da1d3e8f4bd96afa7

SHA1
ec66cda99f44b62470c6930e5afda061579cde35

SHA256
8899b4ed3446b7d55b54defbc1acb7c5392a4b3bc8ec2cdc7c31171708965043

SHA512
2ca5ad1d0e12a8049de885b90b7f56fe77c868e0d6dae4ec4b6f3bc0bf7b2e73295cc9b1328c2b45357ffb0d7804622ab3f91a56140b098e93b691032d508156

Download Submit
memory/540-82-0x0000000000400000-0x0000000000446000-memory.dmp

Filesize
280KB

Download
memory/540-84-0x0000000000400000-0x0000000000446000-memory.dmp

Filesize
280KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads