neshta | 137e8677d7629105f81f0b3a00af62efbfb8f663073a79c82f533d31df82b48b

Analysis

max time kernel
120s
max time network
125s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
31/05/2024, 01:34

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General

Target

137e8677d7629105f81f0b3a00af62efbfb8f663073a79c82f533d31df82b48b.exe
Size

686KB
MD5

23f0bb4db627c5700933d4a278ca280d
SHA1

da55a5b462266dc33a3d85b0014943ee3c0e1a2e
SHA256

137e8677d7629105f81f0b3a00af62efbfb8f663073a79c82f533d31df82b48b
SHA512

0274a499adbab0db111ddfe5197253a57a6769dfd88f0acc8566bb51783ed52bf55d816a79271a8f16a4b266929729a746c84a3247ddf9c3457fe07272c3f744
SSDEEP

12288:OuLrYCFd6xfj1V6O+y9bM5QzW6yV5yyxghcQ3Q27lAuc8RVkjZEM2n:z81xfj1V6ebM5YWxgyxucQg2TcOVkEj

Score

10^/10

neshta persistence spyware stealer

Malware Config

Signatures

Detect Neshta payload 6 IoCs

resource	yara_rule
behavioral1/memory/2640-19-0x0000000000400000-0x000000000041B000-memory.dmp	family_neshta
behavioral1/memory/2640-21-0x0000000000400000-0x000000000041B000-memory.dmp	family_neshta
behavioral1/memory/2640-23-0x0000000000400000-0x000000000041B000-memory.dmp	family_neshta
behavioral1/memory/2640-20-0x0000000000400000-0x000000000041B000-memory.dmp	family_neshta
behavioral1/memory/2640-104-0x0000000000400000-0x000000000041B000-memory.dmp	family_neshta
behavioral1/memory/2640-106-0x0000000000400000-0x000000000041B000-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

Loads dropped DLL 1 IoCs

pid	Process
2640	137e8677d7629105f81f0b3a00af62efbfb8f663073a79c82f533d31df82b48b.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\" %*"	137e8677d7629105f81f0b3a00af62efbfb8f663073a79c82f533d31df82b48b.exe

Reads user/profile data of web browsers 2 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

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3008 set thread context of 2640	3008	137e8677d7629105f81f0b3a00af62efbfb8f663073a79c82f533d31df82b48b.exe	28

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\VSTO\10.0\VSTOIN~1.EXE	137e8677d7629105f81f0b3a00af62efbfb8f663073a79c82f533d31df82b48b.exe
File opened for modification	C:\PROGRA~2\Google\Update\DISABL~1.EXE	137e8677d7629105f81f0b3a00af62efbfb8f663073a79c82f533d31df82b48b.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\CNFNOT32.EXE	137e8677d7629105f81f0b3a00af62efbfb8f663073a79c82f533d31df82b48b.exe
File opened for modification	C:\PROGRA~2\MOZILL~1\UNINST~1.EXE	137e8677d7629105f81f0b3a00af62efbfb8f663073a79c82f533d31df82b48b.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmpshare.exe	137e8677d7629105f81f0b3a00af62efbfb8f663073a79c82f533d31df82b48b.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\A3DUTI~1.EXE	137e8677d7629105f81f0b3a00af62efbfb8f663073a79c82f533d31df82b48b.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\OFFICE~1\ODeploy.exe	137e8677d7629105f81f0b3a00af62efbfb8f663073a79c82f533d31df82b48b.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOOGLE~4.EXE	137e8677d7629105f81f0b3a00af62efbfb8f663073a79c82f533d31df82b48b.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOBD5D~1.EXE	137e8677d7629105f81f0b3a00af62efbfb8f663073a79c82f533d31df82b48b.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\OIS.EXE	137e8677d7629105f81f0b3a00af62efbfb8f663073a79c82f533d31df82b48b.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{33D1F~1\VCREDI~1.EXE	137e8677d7629105f81f0b3a00af62efbfb8f663073a79c82f533d31df82b48b.exe
File opened for modification	C:\PROGRA~2\COMMON~1\Adobe\Updater6\ADOBE_~1.EXE	137e8677d7629105f81f0b3a00af62efbfb8f663073a79c82f533d31df82b48b.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GO664E~1.EXE	137e8677d7629105f81f0b3a00af62efbfb8f663073a79c82f533d31df82b48b.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\PPTICO.EXE	137e8677d7629105f81f0b3a00af62efbfb8f663073a79c82f533d31df82b48b.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{4D8DC~1\VC_RED~1.EXE	137e8677d7629105f81f0b3a00af62efbfb8f663073a79c82f533d31df82b48b.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{57A73~1\VC_RED~1.EXE	137e8677d7629105f81f0b3a00af62efbfb8f663073a79c82f533d31df82b48b.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\EQUATION\EQNEDT32.EXE	137e8677d7629105f81f0b3a00af62efbfb8f663073a79c82f533d31df82b48b.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\MSOXMLED.EXE	137e8677d7629105f81f0b3a00af62efbfb8f663073a79c82f533d31df82b48b.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSQRY32.EXE	137e8677d7629105f81f0b3a00af62efbfb8f663073a79c82f533d31df82b48b.exe
File opened for modification	C:\PROGRA~2\WINDOW~4\ImagingDevices.exe	137e8677d7629105f81f0b3a00af62efbfb8f663073a79c82f533d31df82b48b.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\setup_wm.exe	137e8677d7629105f81f0b3a00af62efbfb8f663073a79c82f533d31df82b48b.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmplayer.exe	137e8677d7629105f81f0b3a00af62efbfb8f663073a79c82f533d31df82b48b.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\SOURCE~1\OSE.EXE	137e8677d7629105f81f0b3a00af62efbfb8f663073a79c82f533d31df82b48b.exe
File opened for modification	C:\PROGRA~2\INTERN~1\ieinstal.exe	137e8677d7629105f81f0b3a00af62efbfb8f663073a79c82f533d31df82b48b.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\1033\ONELEV.EXE	137e8677d7629105f81f0b3a00af62efbfb8f663073a79c82f533d31df82b48b.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSOUC.EXE	137e8677d7629105f81f0b3a00af62efbfb8f663073a79c82f533d31df82b48b.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\SELFCERT.EXE	137e8677d7629105f81f0b3a00af62efbfb8f663073a79c82f533d31df82b48b.exe
File opened for modification	C:\PROGRA~2\WINDOW~1\wabmig.exe	137e8677d7629105f81f0b3a00af62efbfb8f663073a79c82f533d31df82b48b.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmprph.exe	137e8677d7629105f81f0b3a00af62efbfb8f663073a79c82f533d31df82b48b.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\NAMECO~1.EXE	137e8677d7629105f81f0b3a00af62efbfb8f663073a79c82f533d31df82b48b.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmlaunch.exe	137e8677d7629105f81f0b3a00af62efbfb8f663073a79c82f533d31df82b48b.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{CA675~1\VCREDI~1.EXE	137e8677d7629105f81f0b3a00af62efbfb8f663073a79c82f533d31df82b48b.exe
File opened for modification	C:\PROGRA~2\WINDOW~2\ACCESS~1\wordpad.exe	137e8677d7629105f81f0b3a00af62efbfb8f663073a79c82f533d31df82b48b.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{EF6B0~1\VCREDI~1.EXE	137e8677d7629105f81f0b3a00af62efbfb8f663073a79c82f533d31df82b48b.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\ADOBEC~1.EXE	137e8677d7629105f81f0b3a00af62efbfb8f663073a79c82f533d31df82b48b.exe
File opened for modification	C:\PROGRA~2\COMMON~1\Adobe\Updater6\ADOBEU~1.EXE	137e8677d7629105f81f0b3a00af62efbfb8f663073a79c82f533d31df82b48b.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\DW\DW20.EXE	137e8677d7629105f81f0b3a00af62efbfb8f663073a79c82f533d31df82b48b.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOOGLE~2.EXE	137e8677d7629105f81f0b3a00af62efbfb8f663073a79c82f533d31df82b48b.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\CLVIEW.EXE	137e8677d7629105f81f0b3a00af62efbfb8f663073a79c82f533d31df82b48b.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\WMPDMC.exe	137e8677d7629105f81f0b3a00af62efbfb8f663073a79c82f533d31df82b48b.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\AcroRd32.exe	137e8677d7629105f81f0b3a00af62efbfb8f663073a79c82f533d31df82b48b.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\OFFICE~1\Setup.exe	137e8677d7629105f81f0b3a00af62efbfb8f663073a79c82f533d31df82b48b.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\ONENOTEM.EXE	137e8677d7629105f81f0b3a00af62efbfb8f663073a79c82f533d31df82b48b.exe
File opened for modification	C:\PROGRA~2\WINDOW~1\wab.exe	137e8677d7629105f81f0b3a00af62efbfb8f663073a79c82f533d31df82b48b.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\Eula.exe	137e8677d7629105f81f0b3a00af62efbfb8f663073a79c82f533d31df82b48b.exe
File opened for modification	C:\PROGRA~2\COMMON~1\ADOBEA~1\Versions\1.0\ADOBEA~1.EXE	137e8677d7629105f81f0b3a00af62efbfb8f663073a79c82f533d31df82b48b.exe
File opened for modification	C:\PROGRA~2\INTERN~1\iexplore.exe	137e8677d7629105f81f0b3a00af62efbfb8f663073a79c82f533d31df82b48b.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\WORDICON.EXE	137e8677d7629105f81f0b3a00af62efbfb8f663073a79c82f533d31df82b48b.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSTORE.EXE	137e8677d7629105f81f0b3a00af62efbfb8f663073a79c82f533d31df82b48b.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmpconfig.exe	137e8677d7629105f81f0b3a00af62efbfb8f663073a79c82f533d31df82b48b.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\POWERPNT.EXE	137e8677d7629105f81f0b3a00af62efbfb8f663073a79c82f533d31df82b48b.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\ACROBR~1.EXE	137e8677d7629105f81f0b3a00af62efbfb8f663073a79c82f533d31df82b48b.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\LOGTRA~1.EXE	137e8677d7629105f81f0b3a00af62efbfb8f663073a79c82f533d31df82b48b.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\SETUPF~1\{AC76B~1\Setup.exe	137e8677d7629105f81f0b3a00af62efbfb8f663073a79c82f533d31df82b48b.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\MSInfo\msinfo32.exe	137e8677d7629105f81f0b3a00af62efbfb8f663073a79c82f533d31df82b48b.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\LICLUA.EXE	137e8677d7629105f81f0b3a00af62efbfb8f663073a79c82f533d31df82b48b.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\Oarpmany.exe	137e8677d7629105f81f0b3a00af62efbfb8f663073a79c82f533d31df82b48b.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\TextConv\WksConv\Wkconv.exe	137e8677d7629105f81f0b3a00af62efbfb8f663073a79c82f533d31df82b48b.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\ACCICONS.EXE	137e8677d7629105f81f0b3a00af62efbfb8f663073a79c82f533d31df82b48b.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\XLICONS.EXE	137e8677d7629105f81f0b3a00af62efbfb8f663073a79c82f533d31df82b48b.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Resource\Icons\SC_REA~1.EXE	137e8677d7629105f81f0b3a00af62efbfb8f663073a79c82f533d31df82b48b.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\misc.exe	137e8677d7629105f81f0b3a00af62efbfb8f663073a79c82f533d31df82b48b.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSOHTMED.EXE	137e8677d7629105f81f0b3a00af62efbfb8f663073a79c82f533d31df82b48b.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\WINWORD.EXE	137e8677d7629105f81f0b3a00af62efbfb8f663073a79c82f533d31df82b48b.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\svchost.com	137e8677d7629105f81f0b3a00af62efbfb8f663073a79c82f533d31df82b48b.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Modifies registry class 1 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Windows\\svchost.com \"%1\" %*"	137e8677d7629105f81f0b3a00af62efbfb8f663073a79c82f533d31df82b48b.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 3008 wrote to memory of 2640	3008	137e8677d7629105f81f0b3a00af62efbfb8f663073a79c82f533d31df82b48b.exe	28
PID 3008 wrote to memory of 2640	3008	137e8677d7629105f81f0b3a00af62efbfb8f663073a79c82f533d31df82b48b.exe	28
PID 3008 wrote to memory of 2640	3008	137e8677d7629105f81f0b3a00af62efbfb8f663073a79c82f533d31df82b48b.exe	28
PID 3008 wrote to memory of 2640	3008	137e8677d7629105f81f0b3a00af62efbfb8f663073a79c82f533d31df82b48b.exe	28
PID 3008 wrote to memory of 2640	3008	137e8677d7629105f81f0b3a00af62efbfb8f663073a79c82f533d31df82b48b.exe	28
PID 3008 wrote to memory of 2640	3008	137e8677d7629105f81f0b3a00af62efbfb8f663073a79c82f533d31df82b48b.exe	28
PID 3008 wrote to memory of 2640	3008	137e8677d7629105f81f0b3a00af62efbfb8f663073a79c82f533d31df82b48b.exe	28
PID 3008 wrote to memory of 2640	3008	137e8677d7629105f81f0b3a00af62efbfb8f663073a79c82f533d31df82b48b.exe	28
PID 3008 wrote to memory of 2640	3008	137e8677d7629105f81f0b3a00af62efbfb8f663073a79c82f533d31df82b48b.exe	28
PID 3008 wrote to memory of 2640	3008	137e8677d7629105f81f0b3a00af62efbfb8f663073a79c82f533d31df82b48b.exe	28
PID 3008 wrote to memory of 2640	3008	137e8677d7629105f81f0b3a00af62efbfb8f663073a79c82f533d31df82b48b.exe	28
PID 3008 wrote to memory of 2640	3008	137e8677d7629105f81f0b3a00af62efbfb8f663073a79c82f533d31df82b48b.exe	28

C:\Users\Admin\AppData\Local\Temp\137e8677d7629105f81f0b3a00af62efbfb8f663073a79c82f533d31df82b48b.exe
"C:\Users\Admin\AppData\Local\Temp\137e8677d7629105f81f0b3a00af62efbfb8f663073a79c82f533d31df82b48b.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:3008
- C:\Users\Admin\AppData\Local\Temp\137e8677d7629105f81f0b3a00af62efbfb8f663073a79c82f533d31df82b48b.exe
  "C:\Users\Admin\AppData\Local\Temp\137e8677d7629105f81f0b3a00af62efbfb8f663073a79c82f533d31df82b48b.exe"
  2⤵
  - Loads dropped DLL
  - Modifies system executable filetype association
  - Drops file in Program Files directory
  - Drops file in Windows directory
  - Modifies registry class
  PID:2640

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

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

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

Filesize
547KB

MD5
f4db4d9c0875e18264cc03d4cf1a8129

SHA1
f1836b077a5568c4fe34556f9ce50a7f55676bca

SHA256
4e17e3a31c104536c61b4c9df44c69d2a03f31fb0c0eb7a1ff4105d6fe1b3b44

SHA512
49d3b78094af1f18eb898c706e7ee32b027a871a7374625ba1052ed2367de408ca9d3fb984ef57cf5abb0f1c89fcaaed9c7481306671836b4ffb55244cc96b93

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/2640-19-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/2640-21-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/2640-106-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/2640-14-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/2640-15-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/2640-7-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/2640-11-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/2640-104-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/2640-23-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/2640-20-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/2640-9-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/2640-17-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2640-16-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/2640-13-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/3008-6-0x00000000059A0000-0x0000000005A2C000-memory.dmp

Filesize
560KB

Download
memory/3008-24-0x0000000074650000-0x0000000074D3E000-memory.dmp

Filesize
6.9MB

Download
memory/3008-0-0x000000007465E000-0x000000007465F000-memory.dmp

Filesize
4KB

Download
memory/3008-5-0x0000000000550000-0x0000000000560000-memory.dmp

Filesize
64KB

Download
memory/3008-4-0x0000000000540000-0x000000000054C000-memory.dmp

Filesize
48KB

Download
memory/3008-3-0x0000000000400000-0x0000000000416000-memory.dmp

Filesize
88KB

Download
memory/3008-2-0x0000000074650000-0x0000000074D3E000-memory.dmp

Filesize
6.9MB

Download
memory/3008-1-0x00000000008D0000-0x0000000000980000-memory.dmp

Filesize
704KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads