neshta | 997f27e050b837b9a4ec30158653c14b0dfe16648b5782b85b989a73e967f42c

Analysis

max time kernel
118s
max time network
118s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
11/11/2024, 08:42

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

997f27e050b837b9a4ec30158653c14b0dfe16648b5782b85b989a73e967f42cN.exe
Size

279KB
MD5

fd55b3e9bbce1f98bf9d357cca4eed60
SHA1

2a6527a79cc0c674b53058072fa6402e98eb2117
SHA256

997f27e050b837b9a4ec30158653c14b0dfe16648b5782b85b989a73e967f42c
SHA512

94005006f92af1d11f0d8659a8930aea7bef25150f59fcc5b6d4bf1f9eb35e44866b560c8a6f13cd4878060b4aa43a767f5261b516dc4e87d421d2e66b4bab64
SSDEEP

6144:k9A3SblSBfb4Rbzwv2LcfOtAOfsyf8C7Zwq4LloDdE:CblSp4RsLWtFs3Kw7LEE

Score

10^/10

neshta discovery persistence spyware stealer

Malware Config

Signatures

Detect Neshta payload 3 IoCs

resource	yara_rule
behavioral1/files/0x0001000000010318-10.dat	family_neshta
behavioral1/memory/2136-83-0x0000000000400000-0x000000000041B000-memory.dmp	family_neshta
behavioral1/memory/2136-85-0x0000000000400000-0x000000000041B000-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
2056	997f27e050b837b9a4ec30158653c14b0dfe16648b5782b85b989a73e967f42cN.exe

Loads dropped DLL 2 IoCs

pid	Process
2136	997f27e050b837b9a4ec30158653c14b0dfe16648b5782b85b989a73e967f42cN.exe
2136	997f27e050b837b9a4ec30158653c14b0dfe16648b5782b85b989a73e967f42cN.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\" %*"	997f27e050b837b9a4ec30158653c14b0dfe16648b5782b85b989a73e967f42cN.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\ONENOTE.EXE	997f27e050b837b9a4ec30158653c14b0dfe16648b5782b85b989a73e967f42cN.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\VPREVIEW.EXE	997f27e050b837b9a4ec30158653c14b0dfe16648b5782b85b989a73e967f42cN.exe
File opened for modification	C:\PROGRA~2\COMMON~1\ADOBEA~1\Versions\1.0\ADOBEA~1.EXE	997f27e050b837b9a4ec30158653c14b0dfe16648b5782b85b989a73e967f42cN.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\EQUATION\EQNEDT32.EXE	997f27e050b837b9a4ec30158653c14b0dfe16648b5782b85b989a73e967f42cN.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GO664E~1.EXE	997f27e050b837b9a4ec30158653c14b0dfe16648b5782b85b989a73e967f42cN.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOOGLE~2.EXE	997f27e050b837b9a4ec30158653c14b0dfe16648b5782b85b989a73e967f42cN.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\BCSSync.exe	997f27e050b837b9a4ec30158653c14b0dfe16648b5782b85b989a73e967f42cN.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSOSYNC.EXE	997f27e050b837b9a4ec30158653c14b0dfe16648b5782b85b989a73e967f42cN.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{33D1F~1\VCREDI~1.EXE	997f27e050b837b9a4ec30158653c14b0dfe16648b5782b85b989a73e967f42cN.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\TextConv\WksConv\Wkconv.exe	997f27e050b837b9a4ec30158653c14b0dfe16648b5782b85b989a73e967f42cN.exe
File opened for modification	C:\PROGRA~2\INTERN~1\ieinstal.exe	997f27e050b837b9a4ec30158653c14b0dfe16648b5782b85b989a73e967f42cN.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\GRAPH.EXE	997f27e050b837b9a4ec30158653c14b0dfe16648b5782b85b989a73e967f42cN.exe
File opened for modification	C:\PROGRA~2\MOZILL~1\MAINTE~1.EXE	997f27e050b837b9a4ec30158653c14b0dfe16648b5782b85b989a73e967f42cN.exe
File opened for modification	C:\PROGRA~2\WINDOW~4\ImagingDevices.exe	997f27e050b837b9a4ec30158653c14b0dfe16648b5782b85b989a73e967f42cN.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{57A73~1\VC_RED~1.EXE	997f27e050b837b9a4ec30158653c14b0dfe16648b5782b85b989a73e967f42cN.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\ACROBR~1.EXE	997f27e050b837b9a4ec30158653c14b0dfe16648b5782b85b989a73e967f42cN.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\Eula.exe	997f27e050b837b9a4ec30158653c14b0dfe16648b5782b85b989a73e967f42cN.exe
File opened for modification	C:\PROGRA~2\COMMON~1\Adobe\Updater6\ADOBEU~1.EXE	997f27e050b837b9a4ec30158653c14b0dfe16648b5782b85b989a73e967f42cN.exe
File opened for modification	C:\PROGRA~2\MOZILL~1\UNINST~1.EXE	997f27e050b837b9a4ec30158653c14b0dfe16648b5782b85b989a73e967f42cN.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\Oarpmany.exe	997f27e050b837b9a4ec30158653c14b0dfe16648b5782b85b989a73e967f42cN.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOBD5D~1.EXE	997f27e050b837b9a4ec30158653c14b0dfe16648b5782b85b989a73e967f42cN.exe
File opened for modification	C:\PROGRA~2\INTERN~1\iexplore.exe	997f27e050b837b9a4ec30158653c14b0dfe16648b5782b85b989a73e967f42cN.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\A3DUTI~1.EXE	997f27e050b837b9a4ec30158653c14b0dfe16648b5782b85b989a73e967f42cN.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOF5E2~1.EXE	997f27e050b837b9a4ec30158653c14b0dfe16648b5782b85b989a73e967f42cN.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\SETUPF~1\{AC76B~1\Setup.exe	997f27e050b837b9a4ec30158653c14b0dfe16648b5782b85b989a73e967f42cN.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\CLVIEW.EXE	997f27e050b837b9a4ec30158653c14b0dfe16648b5782b85b989a73e967f42cN.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSOUC.EXE	997f27e050b837b9a4ec30158653c14b0dfe16648b5782b85b989a73e967f42cN.exe
File opened for modification	C:\PROGRA~2\WINDOW~1\wabmig.exe	997f27e050b837b9a4ec30158653c14b0dfe16648b5782b85b989a73e967f42cN.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\setup_wm.exe	997f27e050b837b9a4ec30158653c14b0dfe16648b5782b85b989a73e967f42cN.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\OFFICE~1\ODeploy.exe	997f27e050b837b9a4ec30158653c14b0dfe16648b5782b85b989a73e967f42cN.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOOGLE~1.EXE	997f27e050b837b9a4ec30158653c14b0dfe16648b5782b85b989a73e967f42cN.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\OIS.EXE	997f27e050b837b9a4ec30158653c14b0dfe16648b5782b85b989a73e967f42cN.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\SELFCERT.EXE	997f27e050b837b9a4ec30158653c14b0dfe16648b5782b85b989a73e967f42cN.exe
File opened for modification	C:\PROGRA~2\COMMON~1\Adobe\Updater6\ADOBE_~1.EXE	997f27e050b837b9a4ec30158653c14b0dfe16648b5782b85b989a73e967f42cN.exe
File opened for modification	C:\PROGRA~2\Google\Update\DISABL~1.EXE	997f27e050b837b9a4ec30158653c14b0dfe16648b5782b85b989a73e967f42cN.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSQRY32.EXE	997f27e050b837b9a4ec30158653c14b0dfe16648b5782b85b989a73e967f42cN.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\PPTICO.EXE	997f27e050b837b9a4ec30158653c14b0dfe16648b5782b85b989a73e967f42cN.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{EF6B0~1\VCREDI~1.EXE	997f27e050b837b9a4ec30158653c14b0dfe16648b5782b85b989a73e967f42cN.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\LOGTRA~1.EXE	997f27e050b837b9a4ec30158653c14b0dfe16648b5782b85b989a73e967f42cN.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\MSOICONS.EXE	997f27e050b837b9a4ec30158653c14b0dfe16648b5782b85b989a73e967f42cN.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\1033\ONELEV.EXE	997f27e050b837b9a4ec30158653c14b0dfe16648b5782b85b989a73e967f42cN.exe
File opened for modification	C:\PROGRA~2\WI4223~1\sidebar.exe	997f27e050b837b9a4ec30158653c14b0dfe16648b5782b85b989a73e967f42cN.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{4D8DC~1\VC_RED~1.EXE	997f27e050b837b9a4ec30158653c14b0dfe16648b5782b85b989a73e967f42cN.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\DW\DWTRIG20.EXE	997f27e050b837b9a4ec30158653c14b0dfe16648b5782b85b989a73e967f42cN.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\OFFICE~1\Setup.exe	997f27e050b837b9a4ec30158653c14b0dfe16648b5782b85b989a73e967f42cN.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\VSTO\10.0\VSTOIN~1.EXE	997f27e050b837b9a4ec30158653c14b0dfe16648b5782b85b989a73e967f42cN.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOOGLE~3.EXE	997f27e050b837b9a4ec30158653c14b0dfe16648b5782b85b989a73e967f42cN.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\WORDICON.EXE	997f27e050b837b9a4ec30158653c14b0dfe16648b5782b85b989a73e967f42cN.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmpconfig.exe	997f27e050b837b9a4ec30158653c14b0dfe16648b5782b85b989a73e967f42cN.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmprph.exe	997f27e050b837b9a4ec30158653c14b0dfe16648b5782b85b989a73e967f42cN.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\AcroRd32.exe	997f27e050b837b9a4ec30158653c14b0dfe16648b5782b85b989a73e967f42cN.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\SOURCE~1\OSE.EXE	997f27e050b837b9a4ec30158653c14b0dfe16648b5782b85b989a73e967f42cN.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\ACCICONS.EXE	997f27e050b837b9a4ec30158653c14b0dfe16648b5782b85b989a73e967f42cN.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\IECONT~1.EXE	997f27e050b837b9a4ec30158653c14b0dfe16648b5782b85b989a73e967f42cN.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\INFOPATH.EXE	997f27e050b837b9a4ec30158653c14b0dfe16648b5782b85b989a73e967f42cN.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\WMPDMC.exe	997f27e050b837b9a4ec30158653c14b0dfe16648b5782b85b989a73e967f42cN.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\FLTLDR.EXE	997f27e050b837b9a4ec30158653c14b0dfe16648b5782b85b989a73e967f42cN.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\GROOVEMN.EXE	997f27e050b837b9a4ec30158653c14b0dfe16648b5782b85b989a73e967f42cN.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\misc.exe	997f27e050b837b9a4ec30158653c14b0dfe16648b5782b85b989a73e967f42cN.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\WINWORD.EXE	997f27e050b837b9a4ec30158653c14b0dfe16648b5782b85b989a73e967f42cN.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmplayer.exe	997f27e050b837b9a4ec30158653c14b0dfe16648b5782b85b989a73e967f42cN.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{CA675~1\VCREDI~1.EXE	997f27e050b837b9a4ec30158653c14b0dfe16648b5782b85b989a73e967f42cN.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{61087~1\VCREDI~1.EXE	997f27e050b837b9a4ec30158653c14b0dfe16648b5782b85b989a73e967f42cN.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\ADOBEC~1.EXE	997f27e050b837b9a4ec30158653c14b0dfe16648b5782b85b989a73e967f42cN.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\svchost.com	997f27e050b837b9a4ec30158653c14b0dfe16648b5782b85b989a73e967f42cN.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	997f27e050b837b9a4ec30158653c14b0dfe16648b5782b85b989a73e967f42cN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	997f27e050b837b9a4ec30158653c14b0dfe16648b5782b85b989a73e967f42cN.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\" %*"	997f27e050b837b9a4ec30158653c14b0dfe16648b5782b85b989a73e967f42cN.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2136 wrote to memory of 2056	2136	997f27e050b837b9a4ec30158653c14b0dfe16648b5782b85b989a73e967f42cN.exe	30
PID 2136 wrote to memory of 2056	2136	997f27e050b837b9a4ec30158653c14b0dfe16648b5782b85b989a73e967f42cN.exe	30
PID 2136 wrote to memory of 2056	2136	997f27e050b837b9a4ec30158653c14b0dfe16648b5782b85b989a73e967f42cN.exe	30
PID 2136 wrote to memory of 2056	2136	997f27e050b837b9a4ec30158653c14b0dfe16648b5782b85b989a73e967f42cN.exe	30

C:\Users\Admin\AppData\Local\Temp\997f27e050b837b9a4ec30158653c14b0dfe16648b5782b85b989a73e967f42cN.exe
"C:\Users\Admin\AppData\Local\Temp\997f27e050b837b9a4ec30158653c14b0dfe16648b5782b85b989a73e967f42cN.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:2136
- C:\Users\Admin\AppData\Local\Temp\3582-490\997f27e050b837b9a4ec30158653c14b0dfe16648b5782b85b989a73e967f42cN.exe
  "C:\Users\Admin\AppData\Local\Temp\3582-490\997f27e050b837b9a4ec30158653c14b0dfe16648b5782b85b989a73e967f42cN.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:2056

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\997f27e050b837b9a4ec30158653c14b0dfe16648b5782b85b989a73e967f42cN.exe

Filesize
238KB

MD5
ac0605588d840d5a78179e6e20570361

SHA1
99e0bdda7b0741fd6b06879df03410bd949d9091

SHA256
e411e21596fa015d7a57ba0acdb164b92a83a11fc3581f8ef0b3c657ffc592c8

SHA512
b1d77b66b2111e9e5bc07136bd549dc30333d8f55f7b97709f056ba5d19ca34ed833d0031d4a35159bfa2d19f2dafafb2e986ddd6d73fb87c58e97de0af35317

Download Submit
memory/2136-83-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/2136-85-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads