neshta | c659b5fab2a1e0764c23c9e619e56946141c1b01aa46a9b773239672bfbf3681

Analysis

max time kernel
117s
max time network
118s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
02-12-2024 10:55

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General

Target

c659b5fab2a1e0764c23c9e619e56946141c1b01aa46a9b773239672bfbf3681N.exe
Size

6.2MB
MD5

50aaa3cbdd0f72558d2ba37ff8a69cd0
SHA1

7a10f6aea7ee4b8d66655b4835cf506c0b335bf3
SHA256

c659b5fab2a1e0764c23c9e619e56946141c1b01aa46a9b773239672bfbf3681
SHA512

5ba6266aab825199a1a97f70c479d10ab2a8701d915bac53dbe9021a202a325840c3bb0186316ec4b4a860b678f791bbb4df5ca68538380520b596b7387c7f7f
SSDEEP

98304:+LAtV63TWSgTZ8zqTml8/OeIma6BLWL2B:wAtY3aSg6OTmy3I6BFB

Score

10^/10

neshta discovery persistence spyware stealer

Malware Config

Signatures

Detect Neshta payload 3 IoCs

resource	yara_rule
behavioral1/files/0x0001000000010314-8.dat	family_neshta
behavioral1/memory/2640-81-0x0000000000400000-0x000000000041B000-memory.dmp	family_neshta
behavioral1/memory/2640-83-0x0000000000400000-0x000000000041B000-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
2464	c659b5fab2a1e0764c23c9e619e56946141c1b01aa46a9b773239672bfbf3681N.exe

Loads dropped DLL 1 IoCs

pid	Process
2640	c659b5fab2a1e0764c23c9e619e56946141c1b01aa46a9b773239672bfbf3681N.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\" %*"	c659b5fab2a1e0764c23c9e619e56946141c1b01aa46a9b773239672bfbf3681N.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\MOZILL~1\UNINST~1.EXE	c659b5fab2a1e0764c23c9e619e56946141c1b01aa46a9b773239672bfbf3681N.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmpshare.exe	c659b5fab2a1e0764c23c9e619e56946141c1b01aa46a9b773239672bfbf3681N.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Resource\Icons\SC_REA~1.EXE	c659b5fab2a1e0764c23c9e619e56946141c1b01aa46a9b773239672bfbf3681N.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\SETUPF~1\{AC76B~1\Setup.exe	c659b5fab2a1e0764c23c9e619e56946141c1b01aa46a9b773239672bfbf3681N.exe
File opened for modification	C:\PROGRA~2\COMMON~1\ADOBEA~1\Versions\1.0\ADOBEA~1.EXE	c659b5fab2a1e0764c23c9e619e56946141c1b01aa46a9b773239672bfbf3681N.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\misc.exe	c659b5fab2a1e0764c23c9e619e56946141c1b01aa46a9b773239672bfbf3681N.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\ONENOTE.EXE	c659b5fab2a1e0764c23c9e619e56946141c1b01aa46a9b773239672bfbf3681N.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\WORDICON.EXE	c659b5fab2a1e0764c23c9e619e56946141c1b01aa46a9b773239672bfbf3681N.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\AcroRd32.exe	c659b5fab2a1e0764c23c9e619e56946141c1b01aa46a9b773239672bfbf3681N.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOOGLE~4.EXE	c659b5fab2a1e0764c23c9e619e56946141c1b01aa46a9b773239672bfbf3681N.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\SOURCE~1\OSE.EXE	c659b5fab2a1e0764c23c9e619e56946141c1b01aa46a9b773239672bfbf3681N.exe
File opened for modification	C:\PROGRA~2\WINDOW~1\wabmig.exe	c659b5fab2a1e0764c23c9e619e56946141c1b01aa46a9b773239672bfbf3681N.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmlaunch.exe	c659b5fab2a1e0764c23c9e619e56946141c1b01aa46a9b773239672bfbf3681N.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmplayer.exe	c659b5fab2a1e0764c23c9e619e56946141c1b01aa46a9b773239672bfbf3681N.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\MSOICONS.EXE	c659b5fab2a1e0764c23c9e619e56946141c1b01aa46a9b773239672bfbf3681N.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSOHTMED.EXE	c659b5fab2a1e0764c23c9e619e56946141c1b01aa46a9b773239672bfbf3681N.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\POWERPNT.EXE	c659b5fab2a1e0764c23c9e619e56946141c1b01aa46a9b773239672bfbf3681N.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{4D8DC~1\VC_RED~1.EXE	c659b5fab2a1e0764c23c9e619e56946141c1b01aa46a9b773239672bfbf3681N.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\DW\DWTRIG20.EXE	c659b5fab2a1e0764c23c9e619e56946141c1b01aa46a9b773239672bfbf3681N.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\ink\mip.exe	c659b5fab2a1e0764c23c9e619e56946141c1b01aa46a9b773239672bfbf3681N.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOOGLE~2.EXE	c659b5fab2a1e0764c23c9e619e56946141c1b01aa46a9b773239672bfbf3681N.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOF5E2~1.EXE	c659b5fab2a1e0764c23c9e619e56946141c1b01aa46a9b773239672bfbf3681N.exe
File opened for modification	C:\PROGRA~2\INTERN~1\iexplore.exe	c659b5fab2a1e0764c23c9e619e56946141c1b01aa46a9b773239672bfbf3681N.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSQRY32.EXE	c659b5fab2a1e0764c23c9e619e56946141c1b01aa46a9b773239672bfbf3681N.exe
File opened for modification	C:\PROGRA~2\INTERN~1\ielowutil.exe	c659b5fab2a1e0764c23c9e619e56946141c1b01aa46a9b773239672bfbf3681N.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSOUC.EXE	c659b5fab2a1e0764c23c9e619e56946141c1b01aa46a9b773239672bfbf3681N.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\PPTICO.EXE	c659b5fab2a1e0764c23c9e619e56946141c1b01aa46a9b773239672bfbf3681N.exe
File opened for modification	C:\PROGRA~2\WINDOW~4\ImagingDevices.exe	c659b5fab2a1e0764c23c9e619e56946141c1b01aa46a9b773239672bfbf3681N.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{33D1F~1\VCREDI~1.EXE	c659b5fab2a1e0764c23c9e619e56946141c1b01aa46a9b773239672bfbf3681N.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{EF6B0~1\VCREDI~1.EXE	c659b5fab2a1e0764c23c9e619e56946141c1b01aa46a9b773239672bfbf3681N.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\MSInfo\msinfo32.exe	c659b5fab2a1e0764c23c9e619e56946141c1b01aa46a9b773239672bfbf3681N.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\VPREVIEW.EXE	c659b5fab2a1e0764c23c9e619e56946141c1b01aa46a9b773239672bfbf3681N.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{CA675~1\VCREDI~1.EXE	c659b5fab2a1e0764c23c9e619e56946141c1b01aa46a9b773239672bfbf3681N.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\OFFICE~1\ODeploy.exe	c659b5fab2a1e0764c23c9e619e56946141c1b01aa46a9b773239672bfbf3681N.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GO664E~1.EXE	c659b5fab2a1e0764c23c9e619e56946141c1b01aa46a9b773239672bfbf3681N.exe
File opened for modification	C:\PROGRA~2\Google\Update\DISABL~1.EXE	c659b5fab2a1e0764c23c9e619e56946141c1b01aa46a9b773239672bfbf3681N.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSOSYNC.EXE	c659b5fab2a1e0764c23c9e619e56946141c1b01aa46a9b773239672bfbf3681N.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\ONENOTEM.EXE	c659b5fab2a1e0764c23c9e619e56946141c1b01aa46a9b773239672bfbf3681N.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmpconfig.exe	c659b5fab2a1e0764c23c9e619e56946141c1b01aa46a9b773239672bfbf3681N.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\A3DUTI~1.EXE	c659b5fab2a1e0764c23c9e619e56946141c1b01aa46a9b773239672bfbf3681N.exe
File opened for modification	C:\PROGRA~2\COMMON~1\Adobe\Updater6\ADOBEU~1.EXE	c659b5fab2a1e0764c23c9e619e56946141c1b01aa46a9b773239672bfbf3681N.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\LICLUA.EXE	c659b5fab2a1e0764c23c9e619e56946141c1b01aa46a9b773239672bfbf3681N.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\NAMECO~1.EXE	c659b5fab2a1e0764c23c9e619e56946141c1b01aa46a9b773239672bfbf3681N.exe
File opened for modification	C:\PROGRA~2\WINDOW~1\wab.exe	c659b5fab2a1e0764c23c9e619e56946141c1b01aa46a9b773239672bfbf3681N.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\setup_wm.exe	c659b5fab2a1e0764c23c9e619e56946141c1b01aa46a9b773239672bfbf3681N.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\ADOBEC~1.EXE	c659b5fab2a1e0764c23c9e619e56946141c1b01aa46a9b773239672bfbf3681N.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\TextConv\WksConv\Wkconv.exe	c659b5fab2a1e0764c23c9e619e56946141c1b01aa46a9b773239672bfbf3681N.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\ACCICONS.EXE	c659b5fab2a1e0764c23c9e619e56946141c1b01aa46a9b773239672bfbf3681N.exe
File opened for modification	C:\PROGRA~2\WINDOW~2\ACCESS~1\wordpad.exe	c659b5fab2a1e0764c23c9e619e56946141c1b01aa46a9b773239672bfbf3681N.exe
File opened for modification	C:\PROGRA~2\WINDOW~1\WinMail.exe	c659b5fab2a1e0764c23c9e619e56946141c1b01aa46a9b773239672bfbf3681N.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\EQUATION\EQNEDT32.EXE	c659b5fab2a1e0764c23c9e619e56946141c1b01aa46a9b773239672bfbf3681N.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\MSOXMLED.EXE	c659b5fab2a1e0764c23c9e619e56946141c1b01aa46a9b773239672bfbf3681N.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOOGLE~3.EXE	c659b5fab2a1e0764c23c9e619e56946141c1b01aa46a9b773239672bfbf3681N.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\CLVIEW.EXE	c659b5fab2a1e0764c23c9e619e56946141c1b01aa46a9b773239672bfbf3681N.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\CNFNOT32.EXE	c659b5fab2a1e0764c23c9e619e56946141c1b01aa46a9b773239672bfbf3681N.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\SELFCERT.EXE	c659b5fab2a1e0764c23c9e619e56946141c1b01aa46a9b773239672bfbf3681N.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\XLICONS.EXE	c659b5fab2a1e0764c23c9e619e56946141c1b01aa46a9b773239672bfbf3681N.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{57A73~1\VC_RED~1.EXE	c659b5fab2a1e0764c23c9e619e56946141c1b01aa46a9b773239672bfbf3681N.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\Eula.exe	c659b5fab2a1e0764c23c9e619e56946141c1b01aa46a9b773239672bfbf3681N.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOBD5D~1.EXE	c659b5fab2a1e0764c23c9e619e56946141c1b01aa46a9b773239672bfbf3681N.exe
File opened for modification	C:\PROGRA~2\INTERN~1\ieinstal.exe	c659b5fab2a1e0764c23c9e619e56946141c1b01aa46a9b773239672bfbf3681N.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\GRAPH.EXE	c659b5fab2a1e0764c23c9e619e56946141c1b01aa46a9b773239672bfbf3681N.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\GROOVEMN.EXE	c659b5fab2a1e0764c23c9e619e56946141c1b01aa46a9b773239672bfbf3681N.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\INFOPATH.EXE	c659b5fab2a1e0764c23c9e619e56946141c1b01aa46a9b773239672bfbf3681N.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\svchost.com	c659b5fab2a1e0764c23c9e619e56946141c1b01aa46a9b773239672bfbf3681N.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	c659b5fab2a1e0764c23c9e619e56946141c1b01aa46a9b773239672bfbf3681N.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\" %*"	c659b5fab2a1e0764c23c9e619e56946141c1b01aa46a9b773239672bfbf3681N.exe

C:\Users\Admin\AppData\Local\Temp\c659b5fab2a1e0764c23c9e619e56946141c1b01aa46a9b773239672bfbf3681N.exe
"C:\Users\Admin\AppData\Local\Temp\c659b5fab2a1e0764c23c9e619e56946141c1b01aa46a9b773239672bfbf3681N.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
PID:2640
- C:\Users\Admin\AppData\Local\Temp\3582-490\c659b5fab2a1e0764c23c9e619e56946141c1b01aa46a9b773239672bfbf3681N.exe
  "C:\Users\Admin\AppData\Local\Temp\3582-490\c659b5fab2a1e0764c23c9e619e56946141c1b01aa46a9b773239672bfbf3681N.exe"
  2⤵
  - Executes dropped EXE
  PID:2464

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
C:\Users\Admin\AppData\Local\Temp\3582-490\c659b5fab2a1e0764c23c9e619e56946141c1b01aa46a9b773239672bfbf3681N.exe

Filesize
6.2MB

MD5
1cb032a0b60b281185df47323374fba2

SHA1
fa8e1d862ba556142c8116ba2dbd68b1137c4c1a

SHA256
f8426b5b439325beb85eecc6c3f135b29e5762220ac504735098598a57582f90

SHA512
082fc54b3c49193caeeb75e3b07ce0fbe149ac59776f30b2946cc7834e875ac119f4d0cdd2ede7c21d8f86256ec935178f1658c4e61ad9b5e73ced875582f82e

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/2640-81-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/2640-83-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads