neshta | 4eb4f90efd57f895b0274caf149051554ba842a024e4ccb193094ecbd8be5995

Analysis

max time kernel
120s
max time network
122s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
20-10-2024 21:49

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General

Target

4eb4f90efd57f895b0274caf149051554ba842a024e4ccb193094ecbd8be5995.exe
Size

804KB
MD5

d7d12d26e9479f0992e19fa12406876b
SHA1

7b83c9dfb910d4c8002da72f6e73d1b728a8c4e0
SHA256

4eb4f90efd57f895b0274caf149051554ba842a024e4ccb193094ecbd8be5995
SHA512

7440bb35bc09cc312788df38ef1bf925cb6c7e9bd4861bd7b349319c5d36fc9b64f7721a2f0a57c27b52c46518c9d42c59f43353a6633d24d15e82482fffd509
SSDEEP

12288:zyLWqdNMBDcQRs/UQwfU4dj8O+OvOOeT7rRPu7QysD9v+ZbIIp6xwxKz:zyQc8PH+jvroEysDcJmz

Score

10^/10

neshta discovery persistence spyware stealer

Malware Config

Signatures

Detect Neshta payload 3 IoCs

Processes:

resource	yara_rule
behavioral1/files/0x0001000000010317-12.dat	family_neshta
behavioral1/memory/2360-85-0x0000000000400000-0x000000000041B000-memory.dmp	family_neshta
behavioral1/memory/2360-87-0x0000000000400000-0x000000000041B000-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

Processes:

4eb4f90efd57f895b0274caf149051554ba842a024e4ccb193094ecbd8be5995.exe

pid	Process
2120	4eb4f90efd57f895b0274caf149051554ba842a024e4ccb193094ecbd8be5995.exe

Loads dropped DLL 3 IoCs

Processes:

4eb4f90efd57f895b0274caf149051554ba842a024e4ccb193094ecbd8be5995.exe

pid	Process
2360	4eb4f90efd57f895b0274caf149051554ba842a024e4ccb193094ecbd8be5995.exe
2360	4eb4f90efd57f895b0274caf149051554ba842a024e4ccb193094ecbd8be5995.exe
2360	4eb4f90efd57f895b0274caf149051554ba842a024e4ccb193094ecbd8be5995.exe

Modifies system executable filetype association 2 TTPs 1 IoCs

persistence

Modify Registry

T1112

Change Default File Association

T1546.001

Processes:

4eb4f90efd57f895b0274caf149051554ba842a024e4ccb193094ecbd8be5995.exe

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Windows\\svchost.com \"%1\" %*"	4eb4f90efd57f895b0274caf149051554ba842a024e4ccb193094ecbd8be5995.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

Processes:

4eb4f90efd57f895b0274caf149051554ba842a024e4ccb193094ecbd8be5995.exe

description	ioc	Process
File opened for modification	C:\PROGRA~2\WI54FB~1\wmpshare.exe	4eb4f90efd57f895b0274caf149051554ba842a024e4ccb193094ecbd8be5995.exe
File opened for modification	C:\PROGRA~2\WINDOW~2\ACCESS~1\wordpad.exe	4eb4f90efd57f895b0274caf149051554ba842a024e4ccb193094ecbd8be5995.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\DW\DW20.EXE	4eb4f90efd57f895b0274caf149051554ba842a024e4ccb193094ecbd8be5995.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\LICLUA.EXE	4eb4f90efd57f895b0274caf149051554ba842a024e4ccb193094ecbd8be5995.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOOGLE~3.EXE	4eb4f90efd57f895b0274caf149051554ba842a024e4ccb193094ecbd8be5995.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\misc.exe	4eb4f90efd57f895b0274caf149051554ba842a024e4ccb193094ecbd8be5995.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmlaunch.exe	4eb4f90efd57f895b0274caf149051554ba842a024e4ccb193094ecbd8be5995.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\WMPDMC.exe	4eb4f90efd57f895b0274caf149051554ba842a024e4ccb193094ecbd8be5995.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{57A73~1\VC_RED~1.EXE	4eb4f90efd57f895b0274caf149051554ba842a024e4ccb193094ecbd8be5995.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\LOGTRA~1.EXE	4eb4f90efd57f895b0274caf149051554ba842a024e4ccb193094ecbd8be5995.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOOGLE~2.EXE	4eb4f90efd57f895b0274caf149051554ba842a024e4ccb193094ecbd8be5995.exe
File opened for modification	C:\PROGRA~2\INTERN~1\ielowutil.exe	4eb4f90efd57f895b0274caf149051554ba842a024e4ccb193094ecbd8be5995.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\ADOBEC~1.EXE	4eb4f90efd57f895b0274caf149051554ba842a024e4ccb193094ecbd8be5995.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Resource\Icons\SC_REA~1.EXE	4eb4f90efd57f895b0274caf149051554ba842a024e4ccb193094ecbd8be5995.exe
File opened for modification	C:\PROGRA~2\COMMON~1\Adobe\Updater6\ADOBEU~1.EXE	4eb4f90efd57f895b0274caf149051554ba842a024e4ccb193094ecbd8be5995.exe
File opened for modification	C:\PROGRA~2\INTERN~1\ieinstal.exe	4eb4f90efd57f895b0274caf149051554ba842a024e4ccb193094ecbd8be5995.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSOHTMED.EXE	4eb4f90efd57f895b0274caf149051554ba842a024e4ccb193094ecbd8be5995.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\ACROBR~1.EXE	4eb4f90efd57f895b0274caf149051554ba842a024e4ccb193094ecbd8be5995.exe
File opened for modification	C:\PROGRA~2\COMMON~1\ADOBEA~1\Versions\1.0\ADOBEA~1.EXE	4eb4f90efd57f895b0274caf149051554ba842a024e4ccb193094ecbd8be5995.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSOUC.EXE	4eb4f90efd57f895b0274caf149051554ba842a024e4ccb193094ecbd8be5995.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\SELFCERT.EXE	4eb4f90efd57f895b0274caf149051554ba842a024e4ccb193094ecbd8be5995.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\TextConv\WksConv\Wkconv.exe	4eb4f90efd57f895b0274caf149051554ba842a024e4ccb193094ecbd8be5995.exe
File opened for modification	C:\PROGRA~2\INTERN~1\iexplore.exe	4eb4f90efd57f895b0274caf149051554ba842a024e4ccb193094ecbd8be5995.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\IECONT~1.EXE	4eb4f90efd57f895b0274caf149051554ba842a024e4ccb193094ecbd8be5995.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSTORE.EXE	4eb4f90efd57f895b0274caf149051554ba842a024e4ccb193094ecbd8be5995.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\ONENOTE.EXE	4eb4f90efd57f895b0274caf149051554ba842a024e4ccb193094ecbd8be5995.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\MSOICONS.EXE	4eb4f90efd57f895b0274caf149051554ba842a024e4ccb193094ecbd8be5995.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\OFFICE~1\Setup.exe	4eb4f90efd57f895b0274caf149051554ba842a024e4ccb193094ecbd8be5995.exe
File opened for modification	C:\PROGRA~2\Google\Update\DISABL~1.EXE	4eb4f90efd57f895b0274caf149051554ba842a024e4ccb193094ecbd8be5995.exe
File opened for modification	C:\PROGRA~2\MOZILL~1\MAINTE~1.EXE	4eb4f90efd57f895b0274caf149051554ba842a024e4ccb193094ecbd8be5995.exe
File opened for modification	C:\PROGRA~2\WINDOW~4\ImagingDevices.exe	4eb4f90efd57f895b0274caf149051554ba842a024e4ccb193094ecbd8be5995.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{61087~1\VCREDI~1.EXE	4eb4f90efd57f895b0274caf149051554ba842a024e4ccb193094ecbd8be5995.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\MSInfo\msinfo32.exe	4eb4f90efd57f895b0274caf149051554ba842a024e4ccb193094ecbd8be5995.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\Oarpmany.exe	4eb4f90efd57f895b0274caf149051554ba842a024e4ccb193094ecbd8be5995.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\1033\ONELEV.EXE	4eb4f90efd57f895b0274caf149051554ba842a024e4ccb193094ecbd8be5995.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSOSYNC.EXE	4eb4f90efd57f895b0274caf149051554ba842a024e4ccb193094ecbd8be5995.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\ONENOTEM.EXE	4eb4f90efd57f895b0274caf149051554ba842a024e4ccb193094ecbd8be5995.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\WINWORD.EXE	4eb4f90efd57f895b0274caf149051554ba842a024e4ccb193094ecbd8be5995.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSQRY32.EXE	4eb4f90efd57f895b0274caf149051554ba842a024e4ccb193094ecbd8be5995.exe
File opened for modification	C:\PROGRA~2\WINDOW~1\WinMail.exe	4eb4f90efd57f895b0274caf149051554ba842a024e4ccb193094ecbd8be5995.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\FLTLDR.EXE	4eb4f90efd57f895b0274caf149051554ba842a024e4ccb193094ecbd8be5995.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\MSOXMLED.EXE	4eb4f90efd57f895b0274caf149051554ba842a024e4ccb193094ecbd8be5995.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOOGLE~4.EXE	4eb4f90efd57f895b0274caf149051554ba842a024e4ccb193094ecbd8be5995.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOOGLE~1.EXE	4eb4f90efd57f895b0274caf149051554ba842a024e4ccb193094ecbd8be5995.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOF5E2~1.EXE	4eb4f90efd57f895b0274caf149051554ba842a024e4ccb193094ecbd8be5995.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\GRAPH.EXE	4eb4f90efd57f895b0274caf149051554ba842a024e4ccb193094ecbd8be5995.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmpconfig.exe	4eb4f90efd57f895b0274caf149051554ba842a024e4ccb193094ecbd8be5995.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{33D1F~1\VCREDI~1.EXE	4eb4f90efd57f895b0274caf149051554ba842a024e4ccb193094ecbd8be5995.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\EQUATION\EQNEDT32.EXE	4eb4f90efd57f895b0274caf149051554ba842a024e4ccb193094ecbd8be5995.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\ink\mip.exe	4eb4f90efd57f895b0274caf149051554ba842a024e4ccb193094ecbd8be5995.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOBD5D~1.EXE	4eb4f90efd57f895b0274caf149051554ba842a024e4ccb193094ecbd8be5995.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\INFOPATH.EXE	4eb4f90efd57f895b0274caf149051554ba842a024e4ccb193094ecbd8be5995.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\Eula.exe	4eb4f90efd57f895b0274caf149051554ba842a024e4ccb193094ecbd8be5995.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\POWERPNT.EXE	4eb4f90efd57f895b0274caf149051554ba842a024e4ccb193094ecbd8be5995.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{4D8DC~1\VC_RED~1.EXE	4eb4f90efd57f895b0274caf149051554ba842a024e4ccb193094ecbd8be5995.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\A3DUTI~1.EXE	4eb4f90efd57f895b0274caf149051554ba842a024e4ccb193094ecbd8be5995.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\VSTO\10.0\VSTOIN~1.EXE	4eb4f90efd57f895b0274caf149051554ba842a024e4ccb193094ecbd8be5995.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\BCSSync.exe	4eb4f90efd57f895b0274caf149051554ba842a024e4ccb193094ecbd8be5995.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\XLICONS.EXE	4eb4f90efd57f895b0274caf149051554ba842a024e4ccb193094ecbd8be5995.exe
File opened for modification	C:\PROGRA~2\WINDOW~1\wab.exe	4eb4f90efd57f895b0274caf149051554ba842a024e4ccb193094ecbd8be5995.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\NAMECO~1.EXE	4eb4f90efd57f895b0274caf149051554ba842a024e4ccb193094ecbd8be5995.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\WORDICON.EXE	4eb4f90efd57f895b0274caf149051554ba842a024e4ccb193094ecbd8be5995.exe
File opened for modification	C:\PROGRA~2\WINDOW~1\wabmig.exe	4eb4f90efd57f895b0274caf149051554ba842a024e4ccb193094ecbd8be5995.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\SOURCE~1\OSE.EXE	4eb4f90efd57f895b0274caf149051554ba842a024e4ccb193094ecbd8be5995.exe

Drops file in Windows directory 1 IoCs

Processes:

4eb4f90efd57f895b0274caf149051554ba842a024e4ccb193094ecbd8be5995.exe

description	ioc	Process
File opened for modification	C:\Windows\svchost.com	4eb4f90efd57f895b0274caf149051554ba842a024e4ccb193094ecbd8be5995.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

Processes:

4eb4f90efd57f895b0274caf149051554ba842a024e4ccb193094ecbd8be5995.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	4eb4f90efd57f895b0274caf149051554ba842a024e4ccb193094ecbd8be5995.exe

Modifies registry class 1 IoCs

Processes:

4eb4f90efd57f895b0274caf149051554ba842a024e4ccb193094ecbd8be5995.exe

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Windows\\svchost.com \"%1\" %*"	4eb4f90efd57f895b0274caf149051554ba842a024e4ccb193094ecbd8be5995.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

4eb4f90efd57f895b0274caf149051554ba842a024e4ccb193094ecbd8be5995.exe

description	pid	Process	procid_target
PID 2360 wrote to memory of 2120	2360	4eb4f90efd57f895b0274caf149051554ba842a024e4ccb193094ecbd8be5995.exe	30
PID 2360 wrote to memory of 2120	2360	4eb4f90efd57f895b0274caf149051554ba842a024e4ccb193094ecbd8be5995.exe	30
PID 2360 wrote to memory of 2120	2360	4eb4f90efd57f895b0274caf149051554ba842a024e4ccb193094ecbd8be5995.exe	30
PID 2360 wrote to memory of 2120	2360	4eb4f90efd57f895b0274caf149051554ba842a024e4ccb193094ecbd8be5995.exe	30

C:\Users\Admin\AppData\Local\Temp\4eb4f90efd57f895b0274caf149051554ba842a024e4ccb193094ecbd8be5995.exe
"C:\Users\Admin\AppData\Local\Temp\4eb4f90efd57f895b0274caf149051554ba842a024e4ccb193094ecbd8be5995.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:2360
- C:\Users\Admin\AppData\Local\Temp\3582-490\4eb4f90efd57f895b0274caf149051554ba842a024e4ccb193094ecbd8be5995.exe
  "C:\Users\Admin\AppData\Local\Temp\3582-490\4eb4f90efd57f895b0274caf149051554ba842a024e4ccb193094ecbd8be5995.exe"
  2⤵
  - Executes dropped EXE
  PID:2120

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\4eb4f90efd57f895b0274caf149051554ba842a024e4ccb193094ecbd8be5995.exe

Filesize
763KB

MD5
5899c9d4ebcdab0ff4adaa429b2757b2

SHA1
38ccd27ca2346623fe42bf59edfc70a8e04d0421

SHA256
fb12dff89c03895784e99853d43f80c74c27f097ace59a7f3c452e61ea8064a0

SHA512
7b9f9ef3392f4e4ef3d00ffe16aef9ce29e9ef339744305189b0c379a9dcf1c3707964de59a2311386a5caa69e876eed9e0ff8ca753b755f015289543a18a93d

Download Submit
memory/2360-85-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/2360-87-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download