neshta | 3cf82d4de6477ab708aa25dabb2ddb341b98f5ba66dd6441851ab425b8470de3

Analysis

max time kernel
118s
max time network
119s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
12/02/2024, 01:06

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General

Target

Autoruns.exe
Size

1.7MB
MD5

62055a93170cc7c217a0a868c22092c4
SHA1

8c4df4991870eda0d75582e0014d47581d121186
SHA256

3cf82d4de6477ab708aa25dabb2ddb341b98f5ba66dd6441851ab425b8470de3
SHA512

464c4eb9f4b0fe0ecbc10412102bb5b0f94499af6df2040bc41d89ecd8934e0d3cdcc3cb50d7926c2158bcc92337567f2b9c0f1347d1db0f2e39bf69fc014526
SSDEEP

12288:1HZrVs162LpM5mzIhM6jl8/yX0Chz8rgRO6u2TdimrfZetCvmKT6IQViL/MW5bkB:q0qQhMIX0e8uOR2xZnkiYWZkB

Score

10^/10

neshta persistence spyware stealer

Malware Config

Signatures

Detect Neshta payload 3 IoCs

resource	yara_rule
behavioral1/files/0x000100000001030e-10.dat	family_neshta
behavioral1/memory/2264-83-0x0000000000400000-0x000000000041B000-memory.dmp	family_neshta
behavioral1/memory/2264-85-0x0000000000400000-0x000000000041B000-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

Executes dropped EXE 1 IoCs

pid	Process
3004	Autoruns.exe

Loads dropped DLL 2 IoCs

pid	Process
2264	Autoruns.exe
2264	Autoruns.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\" %*"	Autoruns.exe

Reads user/profile data of web browsers 2 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

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\MSOICONS.EXE	Autoruns.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\PPTICO.EXE	Autoruns.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\ADOBEC~1.EXE	Autoruns.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Resource\Icons\SC_REA~1.EXE	Autoruns.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\DW\DWTRIG20.EXE	Autoruns.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\FLTLDR.EXE	Autoruns.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\ACCICONS.EXE	Autoruns.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\BCSSync.exe	Autoruns.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\ONENOTE.EXE	Autoruns.exe
File opened for modification	C:\PROGRA~2\COMMON~1\Adobe\Updater6\ADOBEU~1.EXE	Autoruns.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\ink\mip.exe	Autoruns.exe
File opened for modification	C:\PROGRA~2\WINDOW~1\wab.exe	Autoruns.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\ACROBR~1.EXE	Autoruns.exe
File opened for modification	C:\PROGRA~2\COMMON~1\Adobe\Updater6\ADOBE_~1.EXE	Autoruns.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOBD5D~1.EXE	Autoruns.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\GROOVEMN.EXE	Autoruns.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\misc.exe	Autoruns.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSTORDB.EXE	Autoruns.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmpshare.exe	Autoruns.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\MSOXMLED.EXE	Autoruns.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOOGLE~2.EXE	Autoruns.exe
File opened for modification	C:\PROGRA~2\Google\Update\DISABL~1.EXE	Autoruns.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSTORE.EXE	Autoruns.exe
File opened for modification	C:\PROGRA~2\MOZILL~1\UNINST~1.EXE	Autoruns.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{61087~1\VCREDI~1.EXE	Autoruns.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\LOGTRA~1.EXE	Autoruns.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\MSInfo\msinfo32.exe	Autoruns.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\LICLUA.EXE	Autoruns.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\Oarpmany.exe	Autoruns.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOOGLE~3.EXE	Autoruns.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\POWERPNT.EXE	Autoruns.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\SELFCERT.EXE	Autoruns.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\Eula.exe	Autoruns.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\VSTO\10.0\VSTOIN~1.EXE	Autoruns.exe
File opened for modification	C:\PROGRA~2\INTERN~1\ieinstal.exe	Autoruns.exe
File opened for modification	C:\PROGRA~2\INTERN~1\iexplore.exe	Autoruns.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\CNFNOT32.EXE	Autoruns.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{33D1F~1\VCREDI~1.EXE	Autoruns.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\SETUPF~1\{AC76B~1\Setup.exe	Autoruns.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\SOURCE~1\OSE.EXE	Autoruns.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GO664E~1.EXE	Autoruns.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSOUC.EXE	Autoruns.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\OIS.EXE	Autoruns.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\VPREVIEW.EXE	Autoruns.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\NAMECO~1.EXE	Autoruns.exe
File opened for modification	C:\PROGRA~2\MOZILL~1\MAINTE~1.EXE	Autoruns.exe
File opened for modification	C:\PROGRA~2\WINDOW~1\WinMail.exe	Autoruns.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmpconfig.exe	Autoruns.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{EF6B0~1\VCREDI~1.EXE	Autoruns.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{4D8DC~1\VC_RED~1.EXE	Autoruns.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\TextConv\WksConv\Wkconv.exe	Autoruns.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\IECONT~1.EXE	Autoruns.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSOSYNC.EXE	Autoruns.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\ONENOTEM.EXE	Autoruns.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\WMPDMC.exe	Autoruns.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmprph.exe	Autoruns.exe
File opened for modification	C:\PROGRA~2\WINDOW~4\ImagingDevices.exe	Autoruns.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{57A73~1\VC_RED~1.EXE	Autoruns.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\EQUATION\EQNEDT32.EXE	Autoruns.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSQRY32.EXE	Autoruns.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\XLICONS.EXE	Autoruns.exe
File opened for modification	C:\PROGRA~2\WINDOW~1\wabmig.exe	Autoruns.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmlaunch.exe	Autoruns.exe
File opened for modification	C:\PROGRA~2\WINDOW~2\ACCESS~1\wordpad.exe	Autoruns.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\svchost.com	Autoruns.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Modifies registry class 1 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Windows\\svchost.com \"%1\" %*"	Autoruns.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
3004	Autoruns.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2264 wrote to memory of 3004	2264	Autoruns.exe	28
PID 2264 wrote to memory of 3004	2264	Autoruns.exe	28
PID 2264 wrote to memory of 3004	2264	Autoruns.exe	28
PID 2264 wrote to memory of 3004	2264	Autoruns.exe	28

C:\Users\Admin\AppData\Local\Temp\Autoruns.exe
"C:\Users\Admin\AppData\Local\Temp\Autoruns.exe"
1⤵
- Loads dropped DLL
- Modifies system executable filetype association
- Drops file in Program Files directory
- Drops file in Windows directory
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:2264
- C:\Users\Admin\AppData\Local\Temp\3582-490\Autoruns.exe
  "C:\Users\Admin\AppData\Local\Temp\3582-490\Autoruns.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious behavior: GetForegroundWindowSpam
  PID:3004

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

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

System Information Discovery

T1082

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\Autoruns.exe

Filesize
1.7MB

MD5
17bd13edd536269c417ba8e1b4534fbe

SHA1
22470bb3a4c37a0c612ff7ad2596306065ac0c9b

SHA256
6111a70da65153e6ded71eae2057bf6760f340476261f6e15a80479daf9724eb

SHA512
00d8c80dcfdda235d06160b40d06e47bd0be5178c5fb2b26bf4cd984eae520d877517a16d1a62d88ed1f0a46244eafd4cc4b4183a35f85d13b250e492d441455

Download Submit
memory/2264-83-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/2264-85-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads