neshta | bcce7fb96ddfa065f87ca0b5a50248c5ab4152046bed77762e51a11bff75401d

Analysis

max time kernel
121s
max time network
122s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
05-12-2024 18:55

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General

Target

administrator.exe
Size

3.9MB
MD5

c1e81b35092d292bf50994180c9e7bbd
SHA1

172ea8cbf2c7dee75ac0f82229057569cb93f136
SHA256

bcce7fb96ddfa065f87ca0b5a50248c5ab4152046bed77762e51a11bff75401d
SHA512

93a757c6d49f377e82dd9c0b9a7160b68a566f0e54d21781f8223113725a8fb4cffa5a27eb63f6f72cc450053d216878a7eb550bdfec7d4a8f5d7c7a622e7832
SSDEEP

24576:b+qzFuNtLC8xl7EDdLtrXzieFq5RQNRyk59yjtzMi1feBOWaJNBPsaIGgJDF7mCy:KiFolBcLtLGeFq5RQNp5ESiHyJDFatUS

Score

10^/10

neshta discovery persistence spyware stealer

Malware Config

Signatures

Detect Neshta payload 5 IoCs

resource	yara_rule
behavioral1/memory/2556-0-0x0000000000400000-0x000000000042B000-memory.dmp	family_neshta
behavioral1/files/0x0001000000010315-13.dat	family_neshta
behavioral1/memory/2556-86-0x0000000000400000-0x000000000042B000-memory.dmp	family_neshta
behavioral1/memory/2556-87-0x0000000000400000-0x000000000042B000-memory.dmp	family_neshta
behavioral1/memory/2556-90-0x0000000000400000-0x000000000042B000-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
2084	administrator.exe

Loads dropped DLL 3 IoCs

pid	Process
2556	administrator.exe
2556	administrator.exe
2556	administrator.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\" %*"	administrator.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\COMMON~1\ADOBEA~1\Versions\1.0\ADOBEA~1.EXE	administrator.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\TextConv\WksConv\Wkconv.exe	administrator.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSQRY32.EXE	administrator.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\XLICONS.EXE	administrator.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmplayer.exe	administrator.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{61087~1\VCREDI~1.EXE	administrator.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\ACROBR~1.EXE	administrator.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOOGLE~1.EXE	administrator.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOBD5D~1.EXE	administrator.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\CLVIEW.EXE	administrator.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\IECONT~1.EXE	administrator.exe
File opened for modification	C:\PROGRA~2\MOZILL~1\UNINST~1.EXE	administrator.exe
File opened for modification	C:\PROGRA~2\WINDOW~1\WinMail.exe	administrator.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmpconfig.exe	administrator.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\ink\mip.exe	administrator.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\CNFNOT32.EXE	administrator.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSOHTMED.EXE	administrator.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\PPTICO.EXE	administrator.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\SELFCERT.EXE	administrator.exe
File opened for modification	C:\PROGRA~2\WINDOW~1\wab.exe	administrator.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{CA675~1\VCREDI~1.EXE	administrator.exe
File opened for modification	C:\PROGRA~2\COMMON~1\Adobe\Updater6\ADOBEU~1.EXE	administrator.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\MSInfo\msinfo32.exe	administrator.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\FLTLDR.EXE	administrator.exe
File opened for modification	C:\PROGRA~2\INTERN~1\iexplore.exe	administrator.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\1033\ONELEV.EXE	administrator.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\OIS.EXE	administrator.exe
File opened for modification	C:\PROGRA~2\WINDOW~1\wabmig.exe	administrator.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\SOURCE~1\OSE.EXE	administrator.exe
File opened for modification	C:\PROGRA~2\Google\Update\DISABL~1.EXE	administrator.exe
File opened for modification	C:\PROGRA~2\WI4223~1\sidebar.exe	administrator.exe
File opened for modification	C:\PROGRA~2\INTERN~1\ieinstal.exe	administrator.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\DW\DWTRIG20.EXE	administrator.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\OFFICE~1\ODeploy.exe	administrator.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOOGLE~2.EXE	administrator.exe
File opened for modification	C:\PROGRA~2\INTERN~1\ielowutil.exe	administrator.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\GRAPH.EXE	administrator.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\VPREVIEW.EXE	administrator.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\WINWORD.EXE	administrator.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\LICLUA.EXE	administrator.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOOGLE~3.EXE	administrator.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\INFOPATH.EXE	administrator.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSTORDB.EXE	administrator.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmlaunch.exe	administrator.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\LOGTRA~1.EXE	administrator.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\SETUPF~1\{AC76B~1\Setup.exe	administrator.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\MSOXMLED.EXE	administrator.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\OFFICE~1\Setup.exe	administrator.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Resource\Icons\SC_REA~1.EXE	administrator.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\MSOICONS.EXE	administrator.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSTORE.EXE	administrator.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\Eula.exe	administrator.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\EQUATION\EQNEDT32.EXE	administrator.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\VSTO\10.0\VSTOIN~1.EXE	administrator.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GO664E~1.EXE	administrator.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\misc.exe	administrator.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\ONENOTEM.EXE	administrator.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\setup_wm.exe	administrator.exe
File opened for modification	C:\PROGRA~2\WINDOW~4\ImagingDevices.exe	administrator.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{57A73~1\VC_RED~1.EXE	administrator.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOF5E2~1.EXE	administrator.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\BCSSync.exe	administrator.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSOUC.EXE	administrator.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\AcroRd32.exe	administrator.exe

Drops file in Windows directory 1 IoCs

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

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2556 wrote to memory of 2084	2556	administrator.exe	30
PID 2556 wrote to memory of 2084	2556	administrator.exe	30
PID 2556 wrote to memory of 2084	2556	administrator.exe	30
PID 2556 wrote to memory of 2084	2556	administrator.exe	30

C:\Users\Admin\AppData\Local\Temp\administrator.exe
"C:\Users\Admin\AppData\Local\Temp\administrator.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:2556
- C:\Users\Admin\AppData\Local\Temp\3582-490\administrator.exe
  "C:\Users\Admin\AppData\Local\Temp\3582-490\administrator.exe"
  2⤵
  - Executes dropped EXE
  PID:2084

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
e0f2257e0ad4b04429c932673ead4884

SHA1
352fcc1fe1019cd069ab52b409b31bbd0a08ea9a

SHA256
6e11a49479c1d2b35f15901b0700e307712338f343e1c03fcfe715946fab5969

SHA512
d77e790e63b1b2307df2ef0bb774bcbfa5cdc716764050dfa055a23449cffa5c6f61759b0819712f3e3be06037cbc3469082ba2b02af990017f28658f0103763

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

Filesize
3.8MB

MD5
637393a357832e97e0380a5ebed4b3c5

SHA1
0b9795389bfb46764d3cc12590d9970a2d19fe30

SHA256
d4177f4b1b409a1882280a10387996d345cf53a98c7c07cd8fc9d069b84dddc7

SHA512
a3af4881ba89b77eabda2feebb7fcbc818815ca0a0ad924d9ae1c6898c15d00d52a4f226c588bdaceae2d6afda14602cb1bc3d0002bc5af2e524d651988fd1ad

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/2556-0-0x0000000000400000-0x000000000042B000-memory.dmp

Filesize
172KB

Download
memory/2556-86-0x0000000000400000-0x000000000042B000-memory.dmp

Filesize
172KB

Download
memory/2556-87-0x0000000000400000-0x000000000042B000-memory.dmp

Filesize
172KB

Download
memory/2556-90-0x0000000000400000-0x000000000042B000-memory.dmp

Filesize
172KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads