neshta | 4cf8669c3e7b7edd3bbb509b75b3b0e933632bfad2418072fb4801bda4f298a7

Analysis

max time kernel
122s
max time network
124s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
02-12-2024 21:40

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General

Target

4cf8669c3e7b7edd3bbb509b75b3b0e933632bfad2418072fb4801bda4f298a7.exe
Size

236KB
MD5

7487ae595c90ab022f4fbca877000fdd
SHA1

8688f9134d7d0bac8a73f21f39527f8e27738712
SHA256

4cf8669c3e7b7edd3bbb509b75b3b0e933632bfad2418072fb4801bda4f298a7
SHA512

579bb04f6494ce9e26af4e21219c72bf7b95c9dfd523e31dc1ebe2c8012191769ef967d7e421699800c9f7d096bb30f14f2aa6afc08c9b86cc7ffabe1ef8327a
SSDEEP

3072:sr85C4R5LXcPn9UQ/HNxxQpGL7xcWkDJbpIh98wF24peEKc:k9i8yQ/HNxxcS7xcWkNbpIh98yuc

Score

10^/10

neshta discovery persistence spyware stealer

Malware Config

Signatures

Detect Neshta payload 3 IoCs

resource	yara_rule
behavioral1/files/0x0001000000010314-15.dat	family_neshta
behavioral1/memory/2216-88-0x0000000000400000-0x000000000041B000-memory.dmp	family_neshta
behavioral1/memory/2216-90-0x0000000000400000-0x000000000041B000-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
2412	4cf8669c3e7b7edd3bbb509b75b3b0e933632bfad2418072fb4801bda4f298a7.exe

Loads dropped DLL 3 IoCs

pid	Process
2216	4cf8669c3e7b7edd3bbb509b75b3b0e933632bfad2418072fb4801bda4f298a7.exe
2216	4cf8669c3e7b7edd3bbb509b75b3b0e933632bfad2418072fb4801bda4f298a7.exe
2216	4cf8669c3e7b7edd3bbb509b75b3b0e933632bfad2418072fb4801bda4f298a7.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\" %*"	4cf8669c3e7b7edd3bbb509b75b3b0e933632bfad2418072fb4801bda4f298a7.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\MICROS~1\DW\DW20.EXE	4cf8669c3e7b7edd3bbb509b75b3b0e933632bfad2418072fb4801bda4f298a7.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\ink\mip.exe	4cf8669c3e7b7edd3bbb509b75b3b0e933632bfad2418072fb4801bda4f298a7.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\GROOVEMN.EXE	4cf8669c3e7b7edd3bbb509b75b3b0e933632bfad2418072fb4801bda4f298a7.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSOSYNC.EXE	4cf8669c3e7b7edd3bbb509b75b3b0e933632bfad2418072fb4801bda4f298a7.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSQRY32.EXE	4cf8669c3e7b7edd3bbb509b75b3b0e933632bfad2418072fb4801bda4f298a7.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\OIS.EXE	4cf8669c3e7b7edd3bbb509b75b3b0e933632bfad2418072fb4801bda4f298a7.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\WINWORD.EXE	4cf8669c3e7b7edd3bbb509b75b3b0e933632bfad2418072fb4801bda4f298a7.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\SETUPF~1\{AC76B~1\Setup.exe	4cf8669c3e7b7edd3bbb509b75b3b0e933632bfad2418072fb4801bda4f298a7.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmpshare.exe	4cf8669c3e7b7edd3bbb509b75b3b0e933632bfad2418072fb4801bda4f298a7.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{CA675~1\VCREDI~1.EXE	4cf8669c3e7b7edd3bbb509b75b3b0e933632bfad2418072fb4801bda4f298a7.exe
File opened for modification	C:\PROGRA~2\WINDOW~1\wabmig.exe	4cf8669c3e7b7edd3bbb509b75b3b0e933632bfad2418072fb4801bda4f298a7.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\GRAPH.EXE	4cf8669c3e7b7edd3bbb509b75b3b0e933632bfad2418072fb4801bda4f298a7.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSTORE.EXE	4cf8669c3e7b7edd3bbb509b75b3b0e933632bfad2418072fb4801bda4f298a7.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\POWERPNT.EXE	4cf8669c3e7b7edd3bbb509b75b3b0e933632bfad2418072fb4801bda4f298a7.exe
File opened for modification	C:\PROGRA~2\MOZILL~1\MAINTE~1.EXE	4cf8669c3e7b7edd3bbb509b75b3b0e933632bfad2418072fb4801bda4f298a7.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{4D8DC~1\VC_RED~1.EXE	4cf8669c3e7b7edd3bbb509b75b3b0e933632bfad2418072fb4801bda4f298a7.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\A3DUTI~1.EXE	4cf8669c3e7b7edd3bbb509b75b3b0e933632bfad2418072fb4801bda4f298a7.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\VPREVIEW.EXE	4cf8669c3e7b7edd3bbb509b75b3b0e933632bfad2418072fb4801bda4f298a7.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\ACROBR~1.EXE	4cf8669c3e7b7edd3bbb509b75b3b0e933632bfad2418072fb4801bda4f298a7.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOOGLE~2.EXE	4cf8669c3e7b7edd3bbb509b75b3b0e933632bfad2418072fb4801bda4f298a7.exe
File opened for modification	C:\PROGRA~2\Google\Update\DISABL~1.EXE	4cf8669c3e7b7edd3bbb509b75b3b0e933632bfad2418072fb4801bda4f298a7.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\misc.exe	4cf8669c3e7b7edd3bbb509b75b3b0e933632bfad2418072fb4801bda4f298a7.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\ONENOTE.EXE	4cf8669c3e7b7edd3bbb509b75b3b0e933632bfad2418072fb4801bda4f298a7.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOBD5D~1.EXE	4cf8669c3e7b7edd3bbb509b75b3b0e933632bfad2418072fb4801bda4f298a7.exe
File opened for modification	C:\PROGRA~2\MOZILL~1\UNINST~1.EXE	4cf8669c3e7b7edd3bbb509b75b3b0e933632bfad2418072fb4801bda4f298a7.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\WMPDMC.exe	4cf8669c3e7b7edd3bbb509b75b3b0e933632bfad2418072fb4801bda4f298a7.exe
File opened for modification	C:\PROGRA~2\WINDOW~4\ImagingDevices.exe	4cf8669c3e7b7edd3bbb509b75b3b0e933632bfad2418072fb4801bda4f298a7.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\BCSSync.exe	4cf8669c3e7b7edd3bbb509b75b3b0e933632bfad2418072fb4801bda4f298a7.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\SOURCE~1\OSE.EXE	4cf8669c3e7b7edd3bbb509b75b3b0e933632bfad2418072fb4801bda4f298a7.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOOGLE~3.EXE	4cf8669c3e7b7edd3bbb509b75b3b0e933632bfad2418072fb4801bda4f298a7.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\ACCICONS.EXE	4cf8669c3e7b7edd3bbb509b75b3b0e933632bfad2418072fb4801bda4f298a7.exe
File opened for modification	C:\PROGRA~2\WI4223~1\sidebar.exe	4cf8669c3e7b7edd3bbb509b75b3b0e933632bfad2418072fb4801bda4f298a7.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{33D1F~1\VCREDI~1.EXE	4cf8669c3e7b7edd3bbb509b75b3b0e933632bfad2418072fb4801bda4f298a7.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\FLTLDR.EXE	4cf8669c3e7b7edd3bbb509b75b3b0e933632bfad2418072fb4801bda4f298a7.exe
File opened for modification	C:\PROGRA~2\INTERN~1\ieinstal.exe	4cf8669c3e7b7edd3bbb509b75b3b0e933632bfad2418072fb4801bda4f298a7.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\ONENOTEM.EXE	4cf8669c3e7b7edd3bbb509b75b3b0e933632bfad2418072fb4801bda4f298a7.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\XLICONS.EXE	4cf8669c3e7b7edd3bbb509b75b3b0e933632bfad2418072fb4801bda4f298a7.exe
File opened for modification	C:\PROGRA~2\WINDOW~1\wab.exe	4cf8669c3e7b7edd3bbb509b75b3b0e933632bfad2418072fb4801bda4f298a7.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\setup_wm.exe	4cf8669c3e7b7edd3bbb509b75b3b0e933632bfad2418072fb4801bda4f298a7.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmpconfig.exe	4cf8669c3e7b7edd3bbb509b75b3b0e933632bfad2418072fb4801bda4f298a7.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\OFFICE~1\Setup.exe	4cf8669c3e7b7edd3bbb509b75b3b0e933632bfad2418072fb4801bda4f298a7.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\MSInfo\msinfo32.exe	4cf8669c3e7b7edd3bbb509b75b3b0e933632bfad2418072fb4801bda4f298a7.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\CLVIEW.EXE	4cf8669c3e7b7edd3bbb509b75b3b0e933632bfad2418072fb4801bda4f298a7.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{EF6B0~1\VCREDI~1.EXE	4cf8669c3e7b7edd3bbb509b75b3b0e933632bfad2418072fb4801bda4f298a7.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\ADOBEC~1.EXE	4cf8669c3e7b7edd3bbb509b75b3b0e933632bfad2418072fb4801bda4f298a7.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSTORDB.EXE	4cf8669c3e7b7edd3bbb509b75b3b0e933632bfad2418072fb4801bda4f298a7.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmlaunch.exe	4cf8669c3e7b7edd3bbb509b75b3b0e933632bfad2418072fb4801bda4f298a7.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\Oarpmany.exe	4cf8669c3e7b7edd3bbb509b75b3b0e933632bfad2418072fb4801bda4f298a7.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\MSOICONS.EXE	4cf8669c3e7b7edd3bbb509b75b3b0e933632bfad2418072fb4801bda4f298a7.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GO664E~1.EXE	4cf8669c3e7b7edd3bbb509b75b3b0e933632bfad2418072fb4801bda4f298a7.exe
File opened for modification	C:\PROGRA~2\INTERN~1\iexplore.exe	4cf8669c3e7b7edd3bbb509b75b3b0e933632bfad2418072fb4801bda4f298a7.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\PPTICO.EXE	4cf8669c3e7b7edd3bbb509b75b3b0e933632bfad2418072fb4801bda4f298a7.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmplayer.exe	4cf8669c3e7b7edd3bbb509b75b3b0e933632bfad2418072fb4801bda4f298a7.exe
File opened for modification	C:\PROGRA~2\WINDOW~2\ACCESS~1\wordpad.exe	4cf8669c3e7b7edd3bbb509b75b3b0e933632bfad2418072fb4801bda4f298a7.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\LOGTRA~1.EXE	4cf8669c3e7b7edd3bbb509b75b3b0e933632bfad2418072fb4801bda4f298a7.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\VSTO\10.0\VSTOIN~1.EXE	4cf8669c3e7b7edd3bbb509b75b3b0e933632bfad2418072fb4801bda4f298a7.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\CNFNOT32.EXE	4cf8669c3e7b7edd3bbb509b75b3b0e933632bfad2418072fb4801bda4f298a7.exe
File opened for modification	C:\PROGRA~2\WINDOW~1\WinMail.exe	4cf8669c3e7b7edd3bbb509b75b3b0e933632bfad2418072fb4801bda4f298a7.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\DW\DWTRIG20.EXE	4cf8669c3e7b7edd3bbb509b75b3b0e933632bfad2418072fb4801bda4f298a7.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\EQUATION\EQNEDT32.EXE	4cf8669c3e7b7edd3bbb509b75b3b0e933632bfad2418072fb4801bda4f298a7.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOOGLE~4.EXE	4cf8669c3e7b7edd3bbb509b75b3b0e933632bfad2418072fb4801bda4f298a7.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOF5E2~1.EXE	4cf8669c3e7b7edd3bbb509b75b3b0e933632bfad2418072fb4801bda4f298a7.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\1033\ONELEV.EXE	4cf8669c3e7b7edd3bbb509b75b3b0e933632bfad2418072fb4801bda4f298a7.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\SELFCERT.EXE	4cf8669c3e7b7edd3bbb509b75b3b0e933632bfad2418072fb4801bda4f298a7.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\svchost.com	4cf8669c3e7b7edd3bbb509b75b3b0e933632bfad2418072fb4801bda4f298a7.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	4cf8669c3e7b7edd3bbb509b75b3b0e933632bfad2418072fb4801bda4f298a7.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	4cf8669c3e7b7edd3bbb509b75b3b0e933632bfad2418072fb4801bda4f298a7.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\" %*"	4cf8669c3e7b7edd3bbb509b75b3b0e933632bfad2418072fb4801bda4f298a7.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2412	4cf8669c3e7b7edd3bbb509b75b3b0e933632bfad2418072fb4801bda4f298a7.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2216 wrote to memory of 2412	2216	4cf8669c3e7b7edd3bbb509b75b3b0e933632bfad2418072fb4801bda4f298a7.exe	30
PID 2216 wrote to memory of 2412	2216	4cf8669c3e7b7edd3bbb509b75b3b0e933632bfad2418072fb4801bda4f298a7.exe	30
PID 2216 wrote to memory of 2412	2216	4cf8669c3e7b7edd3bbb509b75b3b0e933632bfad2418072fb4801bda4f298a7.exe	30
PID 2216 wrote to memory of 2412	2216	4cf8669c3e7b7edd3bbb509b75b3b0e933632bfad2418072fb4801bda4f298a7.exe	30

C:\Users\Admin\AppData\Local\Temp\4cf8669c3e7b7edd3bbb509b75b3b0e933632bfad2418072fb4801bda4f298a7.exe
"C:\Users\Admin\AppData\Local\Temp\4cf8669c3e7b7edd3bbb509b75b3b0e933632bfad2418072fb4801bda4f298a7.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:2216
- C:\Users\Admin\AppData\Local\Temp\3582-490\4cf8669c3e7b7edd3bbb509b75b3b0e933632bfad2418072fb4801bda4f298a7.exe
  "C:\Users\Admin\AppData\Local\Temp\3582-490\4cf8669c3e7b7edd3bbb509b75b3b0e933632bfad2418072fb4801bda4f298a7.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  PID:2412

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\4cf8669c3e7b7edd3bbb509b75b3b0e933632bfad2418072fb4801bda4f298a7.exe

Filesize
196KB

MD5
77bc8a8cc76b3591112c37309eed6ecf

SHA1
15c377058412ce9d4bf278b51ff9ae9d6dc0375a

SHA256
4c59150f132111cbe9a63a214163b8d2444ce45e7b987c7e710a12d47e664245

SHA512
f8f38ebbc86d71782680f4795b6fd54f9699c41f92c928a1457ab3a1b5e1ce3c5868f17cf0e5d68eaf4c6965a2cbcf8bf16f3d40db58095ac919a4a073e13be2

Download Submit
memory/2216-88-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/2216-90-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads