neshta | 3f970fecde21816610bb0e990fdf06d032e0c0b1539f808bfcce426d17784128

Analysis

max time kernel
119s
max time network
120s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
18-10-2024 09:47

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General

Target

3f970fecde21816610bb0e990fdf06d032e0c0b1539f808bfcce426d17784128N.exe
Size

547KB
MD5

e4dbbc259a33bbdf60dd5d13e3df50f0
SHA1

277143545751832092f9e5d1439cc44880f5e9d0
SHA256

3f970fecde21816610bb0e990fdf06d032e0c0b1539f808bfcce426d17784128
SHA512

3e116269138d250fa415ebe308f1ebd911114787f72e53309e25b7bca227aec98003be15dd4819b614331c2be9f9ae2647097dae15b5a868a15df2afea83bc0d
SSDEEP

12288:yPmbFlXTPhvHA7azeJLtD419Aaf0/zSknU:ZbFR9A7aCp89A2H

Score

10^/10

neshta discovery persistence spyware stealer

Malware Config

Signatures

Detect Neshta payload 3 IoCs

Processes:

resource	yara_rule
behavioral1/files/0x0001000000010319-14.dat	family_neshta
behavioral1/memory/2716-87-0x0000000000400000-0x000000000041B000-memory.dmp	family_neshta
behavioral1/memory/2716-89-0x0000000000400000-0x000000000041B000-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:

3f970fecde21816610bb0e990fdf06d032e0c0b1539f808bfcce426d17784128N.exe

pid	Process
2804	3f970fecde21816610bb0e990fdf06d032e0c0b1539f808bfcce426d17784128N.exe

Loads dropped DLL 3 IoCs

Processes:

3f970fecde21816610bb0e990fdf06d032e0c0b1539f808bfcce426d17784128N.exe

pid	Process
2716	3f970fecde21816610bb0e990fdf06d032e0c0b1539f808bfcce426d17784128N.exe
2716	3f970fecde21816610bb0e990fdf06d032e0c0b1539f808bfcce426d17784128N.exe
2716	3f970fecde21816610bb0e990fdf06d032e0c0b1539f808bfcce426d17784128N.exe

Modifies system executable filetype association 2 TTPs 1 IoCs

persistence

Modify Registry

T1112

Change Default File Association

T1546.001

Processes:

3f970fecde21816610bb0e990fdf06d032e0c0b1539f808bfcce426d17784128N.exe

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Windows\\svchost.com \"%1\" %*"	3f970fecde21816610bb0e990fdf06d032e0c0b1539f808bfcce426d17784128N.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:

3f970fecde21816610bb0e990fdf06d032e0c0b1539f808bfcce426d17784128N.exe

description	ioc	Process
File opened for modification	C:\PROGRA~2\COMMON~1\Adobe\Updater6\ADOBE_~1.EXE	3f970fecde21816610bb0e990fdf06d032e0c0b1539f808bfcce426d17784128N.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\TextConv\WksConv\Wkconv.exe	3f970fecde21816610bb0e990fdf06d032e0c0b1539f808bfcce426d17784128N.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOBD5D~1.EXE	3f970fecde21816610bb0e990fdf06d032e0c0b1539f808bfcce426d17784128N.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOF5E2~1.EXE	3f970fecde21816610bb0e990fdf06d032e0c0b1539f808bfcce426d17784128N.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmplayer.exe	3f970fecde21816610bb0e990fdf06d032e0c0b1539f808bfcce426d17784128N.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\SETUPF~1\{AC76B~1\Setup.exe	3f970fecde21816610bb0e990fdf06d032e0c0b1539f808bfcce426d17784128N.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\VPREVIEW.EXE	3f970fecde21816610bb0e990fdf06d032e0c0b1539f808bfcce426d17784128N.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\WMPDMC.exe	3f970fecde21816610bb0e990fdf06d032e0c0b1539f808bfcce426d17784128N.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{EF6B0~1\VCREDI~1.EXE	3f970fecde21816610bb0e990fdf06d032e0c0b1539f808bfcce426d17784128N.exe
File opened for modification	C:\PROGRA~2\INTERN~1\ieinstal.exe	3f970fecde21816610bb0e990fdf06d032e0c0b1539f808bfcce426d17784128N.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\XLICONS.EXE	3f970fecde21816610bb0e990fdf06d032e0c0b1539f808bfcce426d17784128N.exe
File opened for modification	C:\PROGRA~2\WINDOW~1\WinMail.exe	3f970fecde21816610bb0e990fdf06d032e0c0b1539f808bfcce426d17784128N.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\SELFCERT.EXE	3f970fecde21816610bb0e990fdf06d032e0c0b1539f808bfcce426d17784128N.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\DW\DWTRIG20.EXE	3f970fecde21816610bb0e990fdf06d032e0c0b1539f808bfcce426d17784128N.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\MSOICONS.EXE	3f970fecde21816610bb0e990fdf06d032e0c0b1539f808bfcce426d17784128N.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOOGLE~3.EXE	3f970fecde21816610bb0e990fdf06d032e0c0b1539f808bfcce426d17784128N.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\INFOPATH.EXE	3f970fecde21816610bb0e990fdf06d032e0c0b1539f808bfcce426d17784128N.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSQRY32.EXE	3f970fecde21816610bb0e990fdf06d032e0c0b1539f808bfcce426d17784128N.exe
File opened for modification	C:\PROGRA~2\WINDOW~4\ImagingDevices.exe	3f970fecde21816610bb0e990fdf06d032e0c0b1539f808bfcce426d17784128N.exe
File opened for modification	C:\PROGRA~2\COMMON~1\ADOBEA~1\Versions\1.0\ADOBEA~1.EXE	3f970fecde21816610bb0e990fdf06d032e0c0b1539f808bfcce426d17784128N.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\LICLUA.EXE	3f970fecde21816610bb0e990fdf06d032e0c0b1539f808bfcce426d17784128N.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\MSOXMLED.EXE	3f970fecde21816610bb0e990fdf06d032e0c0b1539f808bfcce426d17784128N.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\Oarpmany.exe	3f970fecde21816610bb0e990fdf06d032e0c0b1539f808bfcce426d17784128N.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOOGLE~2.EXE	3f970fecde21816610bb0e990fdf06d032e0c0b1539f808bfcce426d17784128N.exe
File opened for modification	C:\PROGRA~2\Google\Update\DISABL~1.EXE	3f970fecde21816610bb0e990fdf06d032e0c0b1539f808bfcce426d17784128N.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\POWERPNT.EXE	3f970fecde21816610bb0e990fdf06d032e0c0b1539f808bfcce426d17784128N.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{4D8DC~1\VC_RED~1.EXE	3f970fecde21816610bb0e990fdf06d032e0c0b1539f808bfcce426d17784128N.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Resource\Icons\SC_REA~1.EXE	3f970fecde21816610bb0e990fdf06d032e0c0b1539f808bfcce426d17784128N.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{CA675~1\VCREDI~1.EXE	3f970fecde21816610bb0e990fdf06d032e0c0b1539f808bfcce426d17784128N.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\1033\ONELEV.EXE	3f970fecde21816610bb0e990fdf06d032e0c0b1539f808bfcce426d17784128N.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSTORDB.EXE	3f970fecde21816610bb0e990fdf06d032e0c0b1539f808bfcce426d17784128N.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\ACROBR~1.EXE	3f970fecde21816610bb0e990fdf06d032e0c0b1539f808bfcce426d17784128N.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\WINWORD.EXE	3f970fecde21816610bb0e990fdf06d032e0c0b1539f808bfcce426d17784128N.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\BCSSync.exe	3f970fecde21816610bb0e990fdf06d032e0c0b1539f808bfcce426d17784128N.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\ADOBEC~1.EXE	3f970fecde21816610bb0e990fdf06d032e0c0b1539f808bfcce426d17784128N.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\LOGTRA~1.EXE	3f970fecde21816610bb0e990fdf06d032e0c0b1539f808bfcce426d17784128N.exe
File opened for modification	C:\PROGRA~2\COMMON~1\Adobe\Updater6\ADOBEU~1.EXE	3f970fecde21816610bb0e990fdf06d032e0c0b1539f808bfcce426d17784128N.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\DW\DW20.EXE	3f970fecde21816610bb0e990fdf06d032e0c0b1539f808bfcce426d17784128N.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\OFFICE~1\ODeploy.exe	3f970fecde21816610bb0e990fdf06d032e0c0b1539f808bfcce426d17784128N.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOOGLE~4.EXE	3f970fecde21816610bb0e990fdf06d032e0c0b1539f808bfcce426d17784128N.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\CNFNOT32.EXE	3f970fecde21816610bb0e990fdf06d032e0c0b1539f808bfcce426d17784128N.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\AcroRd32.exe	3f970fecde21816610bb0e990fdf06d032e0c0b1539f808bfcce426d17784128N.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\NAMECO~1.EXE	3f970fecde21816610bb0e990fdf06d032e0c0b1539f808bfcce426d17784128N.exe
File opened for modification	C:\PROGRA~2\WINDOW~2\ACCESS~1\wordpad.exe	3f970fecde21816610bb0e990fdf06d032e0c0b1539f808bfcce426d17784128N.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{61087~1\VCREDI~1.EXE	3f970fecde21816610bb0e990fdf06d032e0c0b1539f808bfcce426d17784128N.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\IECONT~1.EXE	3f970fecde21816610bb0e990fdf06d032e0c0b1539f808bfcce426d17784128N.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\ink\mip.exe	3f970fecde21816610bb0e990fdf06d032e0c0b1539f808bfcce426d17784128N.exe
File opened for modification	C:\PROGRA~2\INTERN~1\iexplore.exe	3f970fecde21816610bb0e990fdf06d032e0c0b1539f808bfcce426d17784128N.exe
File opened for modification	C:\PROGRA~2\WINDOW~1\wab.exe	3f970fecde21816610bb0e990fdf06d032e0c0b1539f808bfcce426d17784128N.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\A3DUTI~1.EXE	3f970fecde21816610bb0e990fdf06d032e0c0b1539f808bfcce426d17784128N.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\OIS.EXE	3f970fecde21816610bb0e990fdf06d032e0c0b1539f808bfcce426d17784128N.exe
File opened for modification	C:\PROGRA~2\MOZILL~1\MAINTE~1.EXE	3f970fecde21816610bb0e990fdf06d032e0c0b1539f808bfcce426d17784128N.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{33D1F~1\VCREDI~1.EXE	3f970fecde21816610bb0e990fdf06d032e0c0b1539f808bfcce426d17784128N.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\Eula.exe	3f970fecde21816610bb0e990fdf06d032e0c0b1539f808bfcce426d17784128N.exe
File opened for modification	C:\PROGRA~2\WI4223~1\sidebar.exe	3f970fecde21816610bb0e990fdf06d032e0c0b1539f808bfcce426d17784128N.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\GROOVEMN.EXE	3f970fecde21816610bb0e990fdf06d032e0c0b1539f808bfcce426d17784128N.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\MSInfo\msinfo32.exe	3f970fecde21816610bb0e990fdf06d032e0c0b1539f808bfcce426d17784128N.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\FLTLDR.EXE	3f970fecde21816610bb0e990fdf06d032e0c0b1539f808bfcce426d17784128N.exe
File opened for modification	C:\PROGRA~2\INTERN~1\ielowutil.exe	3f970fecde21816610bb0e990fdf06d032e0c0b1539f808bfcce426d17784128N.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSTORE.EXE	3f970fecde21816610bb0e990fdf06d032e0c0b1539f808bfcce426d17784128N.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\ONENOTE.EXE	3f970fecde21816610bb0e990fdf06d032e0c0b1539f808bfcce426d17784128N.exe
File opened for modification	C:\PROGRA~2\WINDOW~1\wabmig.exe	3f970fecde21816610bb0e990fdf06d032e0c0b1539f808bfcce426d17784128N.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{57A73~1\VC_RED~1.EXE	3f970fecde21816610bb0e990fdf06d032e0c0b1539f808bfcce426d17784128N.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\EQUATION\EQNEDT32.EXE	3f970fecde21816610bb0e990fdf06d032e0c0b1539f808bfcce426d17784128N.exe

Drops file in Windows directory 1 IoCs

Processes:

3f970fecde21816610bb0e990fdf06d032e0c0b1539f808bfcce426d17784128N.exe

description	ioc	Process
File opened for modification	C:\Windows\svchost.com	3f970fecde21816610bb0e990fdf06d032e0c0b1539f808bfcce426d17784128N.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

Processes:

3f970fecde21816610bb0e990fdf06d032e0c0b1539f808bfcce426d17784128N.exe3f970fecde21816610bb0e990fdf06d032e0c0b1539f808bfcce426d17784128N.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	3f970fecde21816610bb0e990fdf06d032e0c0b1539f808bfcce426d17784128N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	3f970fecde21816610bb0e990fdf06d032e0c0b1539f808bfcce426d17784128N.exe

Modifies registry class 1 IoCs

Processes:

3f970fecde21816610bb0e990fdf06d032e0c0b1539f808bfcce426d17784128N.exe

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Windows\\svchost.com \"%1\" %*"	3f970fecde21816610bb0e990fdf06d032e0c0b1539f808bfcce426d17784128N.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

3f970fecde21816610bb0e990fdf06d032e0c0b1539f808bfcce426d17784128N.exe

description	pid	Process	procid_target
PID 2716 wrote to memory of 2804	2716	3f970fecde21816610bb0e990fdf06d032e0c0b1539f808bfcce426d17784128N.exe	30
PID 2716 wrote to memory of 2804	2716	3f970fecde21816610bb0e990fdf06d032e0c0b1539f808bfcce426d17784128N.exe	30
PID 2716 wrote to memory of 2804	2716	3f970fecde21816610bb0e990fdf06d032e0c0b1539f808bfcce426d17784128N.exe	30
PID 2716 wrote to memory of 2804	2716	3f970fecde21816610bb0e990fdf06d032e0c0b1539f808bfcce426d17784128N.exe	30

C:\Users\Admin\AppData\Local\Temp\3f970fecde21816610bb0e990fdf06d032e0c0b1539f808bfcce426d17784128N.exe
"C:\Users\Admin\AppData\Local\Temp\3f970fecde21816610bb0e990fdf06d032e0c0b1539f808bfcce426d17784128N.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:2716
- C:\Users\Admin\AppData\Local\Temp\3582-490\3f970fecde21816610bb0e990fdf06d032e0c0b1539f808bfcce426d17784128N.exe
  "C:\Users\Admin\AppData\Local\Temp\3582-490\3f970fecde21816610bb0e990fdf06d032e0c0b1539f808bfcce426d17784128N.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:2804

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\3f970fecde21816610bb0e990fdf06d032e0c0b1539f808bfcce426d17784128N.exe

Filesize
507KB

MD5
aaa05f1dc10a010c7849a1f9b08644a6

SHA1
30210de25f093935a4cb6fb3ed6817cddd7e5aed

SHA256
22ab2c235b21e7fbdbd8ce9f63e450f8dea3630b1d1136bc758fbdad3cba1908

SHA512
bd3150b491e4625346c636e368059825a4710b593803fc525dde331c5a97ce81caec0712bc1eab669a1b27e0b56bf812e2ae133770f3088c6bf5d226025221ca

Download Submit
memory/2716-87-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/2716-89-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download