neshta | 1d226b56295ad4b0ab6b908b8e9b2275960de0d607c4f53394519d4187e4ec42

Analysis

max time kernel
20s
max time network
18s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
05-12-2024 01:52

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General

Target

1d226b56295ad4b0ab6b908b8e9b2275960de0d607c4f53394519d4187e4ec42N.exe
Size

9.0MB
MD5

ee338d60fbd0d7c40241a8162021fc70
SHA1

1b47304d70c59457317e7ad80a4b7908cb7b6501
SHA256

1d226b56295ad4b0ab6b908b8e9b2275960de0d607c4f53394519d4187e4ec42
SHA512

37079c6d6d3abce0e03f25d5a91cd9b108943b24d2b6b17559e976aaba73de8eaee8f43013571fa167a7ff6ae75f13e6d38f0c99da87220c786eaac4e0ec8128
SSDEEP

98304:rcWWRIkaeXtJngYtpGRF03Adojw3EW9EU12ihD0g0lPiZSEwXDfUJVIYZuT18xO+:wlNb3T8EU6hzEZVDKWqK

Score

10^/10

neshta discovery persistence spyware stealer

Malware Config

Signatures

Detect Neshta payload 4 IoCs

resource	yara_rule
behavioral1/files/0x0001000000010319-11.dat	family_neshta
behavioral1/memory/1456-84-0x0000000000400000-0x000000000041B000-memory.dmp	family_neshta
behavioral1/memory/1456-85-0x0000000000400000-0x000000000041B000-memory.dmp	family_neshta
behavioral1/memory/1456-87-0x0000000000400000-0x000000000041B000-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
2448	1d226b56295ad4b0ab6b908b8e9b2275960de0d607c4f53394519d4187e4ec42N.exe

Loads dropped DLL 2 IoCs

pid	Process
1456	1d226b56295ad4b0ab6b908b8e9b2275960de0d607c4f53394519d4187e4ec42N.exe
1456	1d226b56295ad4b0ab6b908b8e9b2275960de0d607c4f53394519d4187e4ec42N.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\" %*"	1d226b56295ad4b0ab6b908b8e9b2275960de0d607c4f53394519d4187e4ec42N.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\VPREVIEW.EXE	1d226b56295ad4b0ab6b908b8e9b2275960de0d607c4f53394519d4187e4ec42N.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{4D8DC~1\VC_RED~1.EXE	1d226b56295ad4b0ab6b908b8e9b2275960de0d607c4f53394519d4187e4ec42N.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\SETUPF~1\{AC76B~1\Setup.exe	1d226b56295ad4b0ab6b908b8e9b2275960de0d607c4f53394519d4187e4ec42N.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\INFOPATH.EXE	1d226b56295ad4b0ab6b908b8e9b2275960de0d607c4f53394519d4187e4ec42N.exe
File opened for modification	C:\PROGRA~2\WINDOW~1\wab.exe	1d226b56295ad4b0ab6b908b8e9b2275960de0d607c4f53394519d4187e4ec42N.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\setup_wm.exe	1d226b56295ad4b0ab6b908b8e9b2275960de0d607c4f53394519d4187e4ec42N.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Resource\Icons\SC_REA~1.EXE	1d226b56295ad4b0ab6b908b8e9b2275960de0d607c4f53394519d4187e4ec42N.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOF5E2~1.EXE	1d226b56295ad4b0ab6b908b8e9b2275960de0d607c4f53394519d4187e4ec42N.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\OFFICE~1\Setup.exe	1d226b56295ad4b0ab6b908b8e9b2275960de0d607c4f53394519d4187e4ec42N.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\XLICONS.EXE	1d226b56295ad4b0ab6b908b8e9b2275960de0d607c4f53394519d4187e4ec42N.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\A3DUTI~1.EXE	1d226b56295ad4b0ab6b908b8e9b2275960de0d607c4f53394519d4187e4ec42N.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\OFFICE~1\ODeploy.exe	1d226b56295ad4b0ab6b908b8e9b2275960de0d607c4f53394519d4187e4ec42N.exe
File opened for modification	C:\PROGRA~2\MOZILL~1\MAINTE~1.EXE	1d226b56295ad4b0ab6b908b8e9b2275960de0d607c4f53394519d4187e4ec42N.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmpconfig.exe	1d226b56295ad4b0ab6b908b8e9b2275960de0d607c4f53394519d4187e4ec42N.exe
File opened for modification	C:\PROGRA~2\WINDOW~2\ACCESS~1\wordpad.exe	1d226b56295ad4b0ab6b908b8e9b2275960de0d607c4f53394519d4187e4ec42N.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\AcroRd32.exe	1d226b56295ad4b0ab6b908b8e9b2275960de0d607c4f53394519d4187e4ec42N.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\GRAPH.EXE	1d226b56295ad4b0ab6b908b8e9b2275960de0d607c4f53394519d4187e4ec42N.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\Oarpmany.exe	1d226b56295ad4b0ab6b908b8e9b2275960de0d607c4f53394519d4187e4ec42N.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOOGLE~2.EXE	1d226b56295ad4b0ab6b908b8e9b2275960de0d607c4f53394519d4187e4ec42N.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\IECONT~1.EXE	1d226b56295ad4b0ab6b908b8e9b2275960de0d607c4f53394519d4187e4ec42N.exe
File opened for modification	C:\PROGRA~2\COMMON~1\ADOBEA~1\Versions\1.0\ADOBEA~1.EXE	1d226b56295ad4b0ab6b908b8e9b2275960de0d607c4f53394519d4187e4ec42N.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\DW\DWTRIG20.EXE	1d226b56295ad4b0ab6b908b8e9b2275960de0d607c4f53394519d4187e4ec42N.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GO664E~1.EXE	1d226b56295ad4b0ab6b908b8e9b2275960de0d607c4f53394519d4187e4ec42N.exe
File opened for modification	C:\PROGRA~2\Google\Update\DISABL~1.EXE	1d226b56295ad4b0ab6b908b8e9b2275960de0d607c4f53394519d4187e4ec42N.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\misc.exe	1d226b56295ad4b0ab6b908b8e9b2275960de0d607c4f53394519d4187e4ec42N.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSOHTMED.EXE	1d226b56295ad4b0ab6b908b8e9b2275960de0d607c4f53394519d4187e4ec42N.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\NAMECO~1.EXE	1d226b56295ad4b0ab6b908b8e9b2275960de0d607c4f53394519d4187e4ec42N.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{57A73~1\VC_RED~1.EXE	1d226b56295ad4b0ab6b908b8e9b2275960de0d607c4f53394519d4187e4ec42N.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\MSInfo\msinfo32.exe	1d226b56295ad4b0ab6b908b8e9b2275960de0d607c4f53394519d4187e4ec42N.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\TextConv\WksConv\Wkconv.exe	1d226b56295ad4b0ab6b908b8e9b2275960de0d607c4f53394519d4187e4ec42N.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{33D1F~1\VCREDI~1.EXE	1d226b56295ad4b0ab6b908b8e9b2275960de0d607c4f53394519d4187e4ec42N.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOBD5D~1.EXE	1d226b56295ad4b0ab6b908b8e9b2275960de0d607c4f53394519d4187e4ec42N.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\1033\ONELEV.EXE	1d226b56295ad4b0ab6b908b8e9b2275960de0d607c4f53394519d4187e4ec42N.exe
File opened for modification	C:\PROGRA~2\WINDOW~1\WinMail.exe	1d226b56295ad4b0ab6b908b8e9b2275960de0d607c4f53394519d4187e4ec42N.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\LICLUA.EXE	1d226b56295ad4b0ab6b908b8e9b2275960de0d607c4f53394519d4187e4ec42N.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\WORDICON.EXE	1d226b56295ad4b0ab6b908b8e9b2275960de0d607c4f53394519d4187e4ec42N.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\MSOXMLED.EXE	1d226b56295ad4b0ab6b908b8e9b2275960de0d607c4f53394519d4187e4ec42N.exe
File opened for modification	C:\PROGRA~2\INTERN~1\iexplore.exe	1d226b56295ad4b0ab6b908b8e9b2275960de0d607c4f53394519d4187e4ec42N.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\CLVIEW.EXE	1d226b56295ad4b0ab6b908b8e9b2275960de0d607c4f53394519d4187e4ec42N.exe
File opened for modification	C:\PROGRA~2\MOZILL~1\UNINST~1.EXE	1d226b56295ad4b0ab6b908b8e9b2275960de0d607c4f53394519d4187e4ec42N.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{CA675~1\VCREDI~1.EXE	1d226b56295ad4b0ab6b908b8e9b2275960de0d607c4f53394519d4187e4ec42N.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\ACROBR~1.EXE	1d226b56295ad4b0ab6b908b8e9b2275960de0d607c4f53394519d4187e4ec42N.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\FLTLDR.EXE	1d226b56295ad4b0ab6b908b8e9b2275960de0d607c4f53394519d4187e4ec42N.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\SELFCERT.EXE	1d226b56295ad4b0ab6b908b8e9b2275960de0d607c4f53394519d4187e4ec42N.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\WMPDMC.exe	1d226b56295ad4b0ab6b908b8e9b2275960de0d607c4f53394519d4187e4ec42N.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmplayer.exe	1d226b56295ad4b0ab6b908b8e9b2275960de0d607c4f53394519d4187e4ec42N.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{61087~1\VCREDI~1.EXE	1d226b56295ad4b0ab6b908b8e9b2275960de0d607c4f53394519d4187e4ec42N.exe
File opened for modification	C:\PROGRA~2\INTERN~1\ielowutil.exe	1d226b56295ad4b0ab6b908b8e9b2275960de0d607c4f53394519d4187e4ec42N.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\POWERPNT.EXE	1d226b56295ad4b0ab6b908b8e9b2275960de0d607c4f53394519d4187e4ec42N.exe
File opened for modification	C:\PROGRA~2\COMMON~1\Adobe\Updater6\ADOBE_~1.EXE	1d226b56295ad4b0ab6b908b8e9b2275960de0d607c4f53394519d4187e4ec42N.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\EQUATION\EQNEDT32.EXE	1d226b56295ad4b0ab6b908b8e9b2275960de0d607c4f53394519d4187e4ec42N.exe
File opened for modification	C:\PROGRA~2\INTERN~1\ieinstal.exe	1d226b56295ad4b0ab6b908b8e9b2275960de0d607c4f53394519d4187e4ec42N.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\GROOVEMN.EXE	1d226b56295ad4b0ab6b908b8e9b2275960de0d607c4f53394519d4187e4ec42N.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\ONENOTE.EXE	1d226b56295ad4b0ab6b908b8e9b2275960de0d607c4f53394519d4187e4ec42N.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\PPTICO.EXE	1d226b56295ad4b0ab6b908b8e9b2275960de0d607c4f53394519d4187e4ec42N.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\ADOBEC~1.EXE	1d226b56295ad4b0ab6b908b8e9b2275960de0d607c4f53394519d4187e4ec42N.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\Eula.exe	1d226b56295ad4b0ab6b908b8e9b2275960de0d607c4f53394519d4187e4ec42N.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\ink\mip.exe	1d226b56295ad4b0ab6b908b8e9b2275960de0d607c4f53394519d4187e4ec42N.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\MSOICONS.EXE	1d226b56295ad4b0ab6b908b8e9b2275960de0d607c4f53394519d4187e4ec42N.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\VSTO\10.0\VSTOIN~1.EXE	1d226b56295ad4b0ab6b908b8e9b2275960de0d607c4f53394519d4187e4ec42N.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\CNFNOT32.EXE	1d226b56295ad4b0ab6b908b8e9b2275960de0d607c4f53394519d4187e4ec42N.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSOSYNC.EXE	1d226b56295ad4b0ab6b908b8e9b2275960de0d607c4f53394519d4187e4ec42N.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSOUC.EXE	1d226b56295ad4b0ab6b908b8e9b2275960de0d607c4f53394519d4187e4ec42N.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\LOGTRA~1.EXE	1d226b56295ad4b0ab6b908b8e9b2275960de0d607c4f53394519d4187e4ec42N.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\svchost.com	1d226b56295ad4b0ab6b908b8e9b2275960de0d607c4f53394519d4187e4ec42N.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	1d226b56295ad4b0ab6b908b8e9b2275960de0d607c4f53394519d4187e4ec42N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	1d226b56295ad4b0ab6b908b8e9b2275960de0d607c4f53394519d4187e4ec42N.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\" %*"	1d226b56295ad4b0ab6b908b8e9b2275960de0d607c4f53394519d4187e4ec42N.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2448	1d226b56295ad4b0ab6b908b8e9b2275960de0d607c4f53394519d4187e4ec42N.exe
2448	1d226b56295ad4b0ab6b908b8e9b2275960de0d607c4f53394519d4187e4ec42N.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1456 wrote to memory of 2448	1456	1d226b56295ad4b0ab6b908b8e9b2275960de0d607c4f53394519d4187e4ec42N.exe	29
PID 1456 wrote to memory of 2448	1456	1d226b56295ad4b0ab6b908b8e9b2275960de0d607c4f53394519d4187e4ec42N.exe	29
PID 1456 wrote to memory of 2448	1456	1d226b56295ad4b0ab6b908b8e9b2275960de0d607c4f53394519d4187e4ec42N.exe	29
PID 1456 wrote to memory of 2448	1456	1d226b56295ad4b0ab6b908b8e9b2275960de0d607c4f53394519d4187e4ec42N.exe	29

C:\Users\Admin\AppData\Local\Temp\1d226b56295ad4b0ab6b908b8e9b2275960de0d607c4f53394519d4187e4ec42N.exe
"C:\Users\Admin\AppData\Local\Temp\1d226b56295ad4b0ab6b908b8e9b2275960de0d607c4f53394519d4187e4ec42N.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:1456
- C:\Users\Admin\AppData\Local\Temp\3582-490\1d226b56295ad4b0ab6b908b8e9b2275960de0d607c4f53394519d4187e4ec42N.exe
  "C:\Users\Admin\AppData\Local\Temp\3582-490\1d226b56295ad4b0ab6b908b8e9b2275960de0d607c4f53394519d4187e4ec42N.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  PID:2448

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\1d226b56295ad4b0ab6b908b8e9b2275960de0d607c4f53394519d4187e4ec42N.exe

Filesize
8.9MB

MD5
f091c207822b5f26fb14420ec1d2da7e

SHA1
b7496c7e43a547333e5152be4f3869f705b2e69b

SHA256
6143bd64160a8f27c46a3ebf49fa75602e6bbf49c254954f657a0a5dbbcc8f0b

SHA512
48a5151d5bc959849edd39d604bbcfc6a6cff5d71cebef9c9ffdfd3693715adefb2ff6a3d291793bf93f60383c5b70c12221ba0708b85fc8b88efe4925525e41

Download Submit
memory/1456-84-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

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memory/1456-85-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

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memory/1456-87-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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