neshta | 23cdf28041ea6a9afdf09c5d84781567ca78d712d94712e0902ad3d1e593d2e2

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
02-01-2025 04:59

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General

Target

23cdf28041ea6a9afdf09c5d84781567ca78d712d94712e0902ad3d1e593d2e2N.exe
Size

221KB
MD5

1b51480d44f1cb9e503dad739623c650
SHA1

164fb53d38aafb94164602ae1c0c48396f0b00c8
SHA256

23cdf28041ea6a9afdf09c5d84781567ca78d712d94712e0902ad3d1e593d2e2
SHA512

71a5d612c47a41a02bad23b464316199c3ede45ae2c4e1574edf7e2625ac5ff06db157356e572893b36c93b81eb3905f058506a361bef394adc449106167ff5a
SSDEEP

3072:sr85CVI9atMis3+Q9m0r/WtL5X1E/9dRw2AsBtRsG594DKStYOz7KoX/qcO1uETw:k9VGa0G/sxUsCJKkzXicHAXM

Score

10^/10

neshta discovery persistence spyware stealer

Malware Config

Signatures

Detect Neshta payload 3 IoCs

resource	yara_rule
behavioral1/files/0x0001000000010314-13.dat	family_neshta
behavioral1/memory/1976-86-0x0000000000400000-0x000000000041B000-memory.dmp	family_neshta
behavioral1/memory/1976-88-0x0000000000400000-0x000000000041B000-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
1816	23cdf28041ea6a9afdf09c5d84781567ca78d712d94712e0902ad3d1e593d2e2N.exe

Loads dropped DLL 3 IoCs

pid	Process
1976	23cdf28041ea6a9afdf09c5d84781567ca78d712d94712e0902ad3d1e593d2e2N.exe
1976	23cdf28041ea6a9afdf09c5d84781567ca78d712d94712e0902ad3d1e593d2e2N.exe
1976	23cdf28041ea6a9afdf09c5d84781567ca78d712d94712e0902ad3d1e593d2e2N.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\" %*"	23cdf28041ea6a9afdf09c5d84781567ca78d712d94712e0902ad3d1e593d2e2N.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\Eula.exe	23cdf28041ea6a9afdf09c5d84781567ca78d712d94712e0902ad3d1e593d2e2N.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\VPREVIEW.EXE	23cdf28041ea6a9afdf09c5d84781567ca78d712d94712e0902ad3d1e593d2e2N.exe
File opened for modification	C:\PROGRA~2\WINDOW~2\ACCESS~1\wordpad.exe	23cdf28041ea6a9afdf09c5d84781567ca78d712d94712e0902ad3d1e593d2e2N.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\XLICONS.EXE	23cdf28041ea6a9afdf09c5d84781567ca78d712d94712e0902ad3d1e593d2e2N.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{EF6B0~1\VCREDI~1.EXE	23cdf28041ea6a9afdf09c5d84781567ca78d712d94712e0902ad3d1e593d2e2N.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\OFFICE~1\Setup.exe	23cdf28041ea6a9afdf09c5d84781567ca78d712d94712e0902ad3d1e593d2e2N.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\IECONT~1.EXE	23cdf28041ea6a9afdf09c5d84781567ca78d712d94712e0902ad3d1e593d2e2N.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\SELFCERT.EXE	23cdf28041ea6a9afdf09c5d84781567ca78d712d94712e0902ad3d1e593d2e2N.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{4D8DC~1\VC_RED~1.EXE	23cdf28041ea6a9afdf09c5d84781567ca78d712d94712e0902ad3d1e593d2e2N.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\ink\mip.exe	23cdf28041ea6a9afdf09c5d84781567ca78d712d94712e0902ad3d1e593d2e2N.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOOGLE~1.EXE	23cdf28041ea6a9afdf09c5d84781567ca78d712d94712e0902ad3d1e593d2e2N.exe
File opened for modification	C:\PROGRA~2\INTERN~1\ieinstal.exe	23cdf28041ea6a9afdf09c5d84781567ca78d712d94712e0902ad3d1e593d2e2N.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\DW\DWTRIG20.EXE	23cdf28041ea6a9afdf09c5d84781567ca78d712d94712e0902ad3d1e593d2e2N.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\OIS.EXE	23cdf28041ea6a9afdf09c5d84781567ca78d712d94712e0902ad3d1e593d2e2N.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\ONENOTEM.EXE	23cdf28041ea6a9afdf09c5d84781567ca78d712d94712e0902ad3d1e593d2e2N.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\NAMECO~1.EXE	23cdf28041ea6a9afdf09c5d84781567ca78d712d94712e0902ad3d1e593d2e2N.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\ONENOTE.EXE	23cdf28041ea6a9afdf09c5d84781567ca78d712d94712e0902ad3d1e593d2e2N.exe
File opened for modification	C:\PROGRA~2\MOZILL~1\UNINST~1.EXE	23cdf28041ea6a9afdf09c5d84781567ca78d712d94712e0902ad3d1e593d2e2N.exe
File opened for modification	C:\PROGRA~2\WINDOW~1\wab.exe	23cdf28041ea6a9afdf09c5d84781567ca78d712d94712e0902ad3d1e593d2e2N.exe
File opened for modification	C:\PROGRA~2\WINDOW~1\wabmig.exe	23cdf28041ea6a9afdf09c5d84781567ca78d712d94712e0902ad3d1e593d2e2N.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOBD5D~1.EXE	23cdf28041ea6a9afdf09c5d84781567ca78d712d94712e0902ad3d1e593d2e2N.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\GROOVEMN.EXE	23cdf28041ea6a9afdf09c5d84781567ca78d712d94712e0902ad3d1e593d2e2N.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSOHTMED.EXE	23cdf28041ea6a9afdf09c5d84781567ca78d712d94712e0902ad3d1e593d2e2N.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOOGLE~2.EXE	23cdf28041ea6a9afdf09c5d84781567ca78d712d94712e0902ad3d1e593d2e2N.exe
File opened for modification	C:\PROGRA~2\INTERN~1\iexplore.exe	23cdf28041ea6a9afdf09c5d84781567ca78d712d94712e0902ad3d1e593d2e2N.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSOSYNC.EXE	23cdf28041ea6a9afdf09c5d84781567ca78d712d94712e0902ad3d1e593d2e2N.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSTORDB.EXE	23cdf28041ea6a9afdf09c5d84781567ca78d712d94712e0902ad3d1e593d2e2N.exe
File opened for modification	C:\PROGRA~2\WI4223~1\sidebar.exe	23cdf28041ea6a9afdf09c5d84781567ca78d712d94712e0902ad3d1e593d2e2N.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\ACROBR~1.EXE	23cdf28041ea6a9afdf09c5d84781567ca78d712d94712e0902ad3d1e593d2e2N.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\MSInfo\msinfo32.exe	23cdf28041ea6a9afdf09c5d84781567ca78d712d94712e0902ad3d1e593d2e2N.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOOGLE~4.EXE	23cdf28041ea6a9afdf09c5d84781567ca78d712d94712e0902ad3d1e593d2e2N.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{CA675~1\VCREDI~1.EXE	23cdf28041ea6a9afdf09c5d84781567ca78d712d94712e0902ad3d1e593d2e2N.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{33D1F~1\VCREDI~1.EXE	23cdf28041ea6a9afdf09c5d84781567ca78d712d94712e0902ad3d1e593d2e2N.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\1033\ONELEV.EXE	23cdf28041ea6a9afdf09c5d84781567ca78d712d94712e0902ad3d1e593d2e2N.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmprph.exe	23cdf28041ea6a9afdf09c5d84781567ca78d712d94712e0902ad3d1e593d2e2N.exe
File opened for modification	C:\PROGRA~2\WINDOW~4\ImagingDevices.exe	23cdf28041ea6a9afdf09c5d84781567ca78d712d94712e0902ad3d1e593d2e2N.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\ACCICONS.EXE	23cdf28041ea6a9afdf09c5d84781567ca78d712d94712e0902ad3d1e593d2e2N.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\EQUATION\EQNEDT32.EXE	23cdf28041ea6a9afdf09c5d84781567ca78d712d94712e0902ad3d1e593d2e2N.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\FLTLDR.EXE	23cdf28041ea6a9afdf09c5d84781567ca78d712d94712e0902ad3d1e593d2e2N.exe
File opened for modification	C:\PROGRA~2\INTERN~1\ielowutil.exe	23cdf28041ea6a9afdf09c5d84781567ca78d712d94712e0902ad3d1e593d2e2N.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\CLVIEW.EXE	23cdf28041ea6a9afdf09c5d84781567ca78d712d94712e0902ad3d1e593d2e2N.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\WINWORD.EXE	23cdf28041ea6a9afdf09c5d84781567ca78d712d94712e0902ad3d1e593d2e2N.exe
File opened for modification	C:\PROGRA~2\MOZILL~1\MAINTE~1.EXE	23cdf28041ea6a9afdf09c5d84781567ca78d712d94712e0902ad3d1e593d2e2N.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmplayer.exe	23cdf28041ea6a9afdf09c5d84781567ca78d712d94712e0902ad3d1e593d2e2N.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\SETUPF~1\{AC76B~1\Setup.exe	23cdf28041ea6a9afdf09c5d84781567ca78d712d94712e0902ad3d1e593d2e2N.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\DW\DW20.EXE	23cdf28041ea6a9afdf09c5d84781567ca78d712d94712e0902ad3d1e593d2e2N.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\MSOXMLED.EXE	23cdf28041ea6a9afdf09c5d84781567ca78d712d94712e0902ad3d1e593d2e2N.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\MSOICONS.EXE	23cdf28041ea6a9afdf09c5d84781567ca78d712d94712e0902ad3d1e593d2e2N.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\GRAPH.EXE	23cdf28041ea6a9afdf09c5d84781567ca78d712d94712e0902ad3d1e593d2e2N.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\setup_wm.exe	23cdf28041ea6a9afdf09c5d84781567ca78d712d94712e0902ad3d1e593d2e2N.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\ADOBEC~1.EXE	23cdf28041ea6a9afdf09c5d84781567ca78d712d94712e0902ad3d1e593d2e2N.exe
File opened for modification	C:\PROGRA~2\COMMON~1\ADOBEA~1\Versions\1.0\ADOBEA~1.EXE	23cdf28041ea6a9afdf09c5d84781567ca78d712d94712e0902ad3d1e593d2e2N.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\PPTICO.EXE	23cdf28041ea6a9afdf09c5d84781567ca78d712d94712e0902ad3d1e593d2e2N.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\CNFNOT32.EXE	23cdf28041ea6a9afdf09c5d84781567ca78d712d94712e0902ad3d1e593d2e2N.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSTORE.EXE	23cdf28041ea6a9afdf09c5d84781567ca78d712d94712e0902ad3d1e593d2e2N.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmlaunch.exe	23cdf28041ea6a9afdf09c5d84781567ca78d712d94712e0902ad3d1e593d2e2N.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\AcroRd32.exe	23cdf28041ea6a9afdf09c5d84781567ca78d712d94712e0902ad3d1e593d2e2N.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\LOGTRA~1.EXE	23cdf28041ea6a9afdf09c5d84781567ca78d712d94712e0902ad3d1e593d2e2N.exe
File opened for modification	C:\PROGRA~2\COMMON~1\Adobe\Updater6\ADOBE_~1.EXE	23cdf28041ea6a9afdf09c5d84781567ca78d712d94712e0902ad3d1e593d2e2N.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOF5E2~1.EXE	23cdf28041ea6a9afdf09c5d84781567ca78d712d94712e0902ad3d1e593d2e2N.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\INFOPATH.EXE	23cdf28041ea6a9afdf09c5d84781567ca78d712d94712e0902ad3d1e593d2e2N.exe
File opened for modification	C:\PROGRA~2\WINDOW~1\WinMail.exe	23cdf28041ea6a9afdf09c5d84781567ca78d712d94712e0902ad3d1e593d2e2N.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmpconfig.exe	23cdf28041ea6a9afdf09c5d84781567ca78d712d94712e0902ad3d1e593d2e2N.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\WMPDMC.exe	23cdf28041ea6a9afdf09c5d84781567ca78d712d94712e0902ad3d1e593d2e2N.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\svchost.com	23cdf28041ea6a9afdf09c5d84781567ca78d712d94712e0902ad3d1e593d2e2N.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	23cdf28041ea6a9afdf09c5d84781567ca78d712d94712e0902ad3d1e593d2e2N.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\" %*"	23cdf28041ea6a9afdf09c5d84781567ca78d712d94712e0902ad3d1e593d2e2N.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1976 wrote to memory of 1816	1976	23cdf28041ea6a9afdf09c5d84781567ca78d712d94712e0902ad3d1e593d2e2N.exe	31
PID 1976 wrote to memory of 1816	1976	23cdf28041ea6a9afdf09c5d84781567ca78d712d94712e0902ad3d1e593d2e2N.exe	31
PID 1976 wrote to memory of 1816	1976	23cdf28041ea6a9afdf09c5d84781567ca78d712d94712e0902ad3d1e593d2e2N.exe	31
PID 1976 wrote to memory of 1816	1976	23cdf28041ea6a9afdf09c5d84781567ca78d712d94712e0902ad3d1e593d2e2N.exe	31

C:\Users\Admin\AppData\Local\Temp\23cdf28041ea6a9afdf09c5d84781567ca78d712d94712e0902ad3d1e593d2e2N.exe
"C:\Users\Admin\AppData\Local\Temp\23cdf28041ea6a9afdf09c5d84781567ca78d712d94712e0902ad3d1e593d2e2N.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:1976
- C:\Users\Admin\AppData\Local\Temp\3582-490\23cdf28041ea6a9afdf09c5d84781567ca78d712d94712e0902ad3d1e593d2e2N.exe
  "C:\Users\Admin\AppData\Local\Temp\3582-490\23cdf28041ea6a9afdf09c5d84781567ca78d712d94712e0902ad3d1e593d2e2N.exe"
  2⤵
  - Executes dropped EXE
  PID:1816

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

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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
\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\23cdf28041ea6a9afdf09c5d84781567ca78d712d94712e0902ad3d1e593d2e2N.exe

Filesize
181KB

MD5
3ad6df5f5e4258c19710178379e74623

SHA1
9ca3c42c64025701537290b7ff859c1c5378a622

SHA256
a4e8b424744567fe4e25941a28b20808b5886a1a91d401094a5da4d2f21acb2c

SHA512
60c7e520a3fd5ce385619d0ef18d50c22fd57ef6610f329a0bafcc45c1dd165f0ed5d51c0d4c9430bf4e84861c7780823b867ec932360399aaaa124c130864c5

Download Submit
memory/1976-86-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/1976-88-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads