neshta | 724393c159a7bee5a585005b11e72b56739f4dc96d93d52598040a8d6217bf0a

Analysis

max time kernel
118s
max time network
119s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
25-11-2024 23:36

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General

Target

724393c159a7bee5a585005b11e72b56739f4dc96d93d52598040a8d6217bf0a.exe
Size

123KB
MD5

94120dac2f1cc0f5a5f64b30e2a4ef3b
SHA1

fbb0afee7739580cb5ea8d1b28a3fbbf39e8fa1f
SHA256

724393c159a7bee5a585005b11e72b56739f4dc96d93d52598040a8d6217bf0a
SHA512

b0f534a23142bb991bdfa15c9fe663e95215a1501ffa1a987969ffe6373e99933b230aa3e555f4d465a126ae61ebdffbf654e0db8f9cf9a796bfbe95f8201b16
SSDEEP

1536:JxqjQ+P04wsmJCZ55jdhXEy8PuhC3sNvQsnE90zY0Pr4JKZmarH2YPdBEUFsBo+i:sr85Cu76C3sjE+zYi4QZmPYFFiorvczo

Score

10^/10

neshta discovery persistence spyware stealer

Malware Config

Signatures

Detect Neshta payload 3 IoCs

resource	yara_rule
behavioral1/files/0x0001000000010314-9.dat	family_neshta
behavioral1/memory/2844-97-0x0000000000400000-0x000000000041B000-memory.dmp	family_neshta
behavioral1/memory/2844-99-0x0000000000400000-0x000000000041B000-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 2 IoCs

pid	Process
1340	724393c159a7bee5a585005b11e72b56739f4dc96d93d52598040a8d6217bf0a.exe
2720	Un_A.exe

Loads dropped DLL 4 IoCs

pid	Process
2844	724393c159a7bee5a585005b11e72b56739f4dc96d93d52598040a8d6217bf0a.exe
1340	724393c159a7bee5a585005b11e72b56739f4dc96d93d52598040a8d6217bf0a.exe
2720	Un_A.exe
2844	724393c159a7bee5a585005b11e72b56739f4dc96d93d52598040a8d6217bf0a.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\" %*"	724393c159a7bee5a585005b11e72b56739f4dc96d93d52598040a8d6217bf0a.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\OFFICE14\OFFICE~1\Setup.exe	724393c159a7bee5a585005b11e72b56739f4dc96d93d52598040a8d6217bf0a.exe
File opened for modification	C:\PROGRA~2\INTERN~1\ielowutil.exe	724393c159a7bee5a585005b11e72b56739f4dc96d93d52598040a8d6217bf0a.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\CNFNOT32.EXE	724393c159a7bee5a585005b11e72b56739f4dc96d93d52598040a8d6217bf0a.exe
File opened for modification	C:\PROGRA~2\COMMON~1\Adobe\Updater6\ADOBE_~1.EXE	724393c159a7bee5a585005b11e72b56739f4dc96d93d52598040a8d6217bf0a.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\VSTO\10.0\VSTOIN~1.EXE	724393c159a7bee5a585005b11e72b56739f4dc96d93d52598040a8d6217bf0a.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\Eula.exe	724393c159a7bee5a585005b11e72b56739f4dc96d93d52598040a8d6217bf0a.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\ACROBR~1.EXE	724393c159a7bee5a585005b11e72b56739f4dc96d93d52598040a8d6217bf0a.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOOGLE~4.EXE	724393c159a7bee5a585005b11e72b56739f4dc96d93d52598040a8d6217bf0a.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\ONENOTE.EXE	724393c159a7bee5a585005b11e72b56739f4dc96d93d52598040a8d6217bf0a.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\SELFCERT.EXE	724393c159a7bee5a585005b11e72b56739f4dc96d93d52598040a8d6217bf0a.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\WINWORD.EXE	724393c159a7bee5a585005b11e72b56739f4dc96d93d52598040a8d6217bf0a.exe
File opened for modification	C:\PROGRA~2\COMMON~1\ADOBEA~1\Versions\1.0\ADOBEA~1.EXE	724393c159a7bee5a585005b11e72b56739f4dc96d93d52598040a8d6217bf0a.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\DW\DWTRIG20.EXE	724393c159a7bee5a585005b11e72b56739f4dc96d93d52598040a8d6217bf0a.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GO664E~1.EXE	724393c159a7bee5a585005b11e72b56739f4dc96d93d52598040a8d6217bf0a.exe
File opened for modification	C:\PROGRA~2\INTERN~1\iexplore.exe	724393c159a7bee5a585005b11e72b56739f4dc96d93d52598040a8d6217bf0a.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\AcroRd32.exe	724393c159a7bee5a585005b11e72b56739f4dc96d93d52598040a8d6217bf0a.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\TextConv\WksConv\Wkconv.exe	724393c159a7bee5a585005b11e72b56739f4dc96d93d52598040a8d6217bf0a.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\misc.exe	724393c159a7bee5a585005b11e72b56739f4dc96d93d52598040a8d6217bf0a.exe
File opened for modification	C:\PROGRA~2\WINDOW~1\wabmig.exe	724393c159a7bee5a585005b11e72b56739f4dc96d93d52598040a8d6217bf0a.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSQRY32.EXE	724393c159a7bee5a585005b11e72b56739f4dc96d93d52598040a8d6217bf0a.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmlaunch.exe	724393c159a7bee5a585005b11e72b56739f4dc96d93d52598040a8d6217bf0a.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{EF6B0~1\VCREDI~1.EXE	724393c159a7bee5a585005b11e72b56739f4dc96d93d52598040a8d6217bf0a.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\MSInfo\msinfo32.exe	724393c159a7bee5a585005b11e72b56739f4dc96d93d52598040a8d6217bf0a.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\MSOICONS.EXE	724393c159a7bee5a585005b11e72b56739f4dc96d93d52598040a8d6217bf0a.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOF5E2~1.EXE	724393c159a7bee5a585005b11e72b56739f4dc96d93d52598040a8d6217bf0a.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\1033\ONELEV.EXE	724393c159a7bee5a585005b11e72b56739f4dc96d93d52598040a8d6217bf0a.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\SOURCE~1\OSE.EXE	724393c159a7bee5a585005b11e72b56739f4dc96d93d52598040a8d6217bf0a.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOOGLE~1.EXE	724393c159a7bee5a585005b11e72b56739f4dc96d93d52598040a8d6217bf0a.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\ACCICONS.EXE	724393c159a7bee5a585005b11e72b56739f4dc96d93d52598040a8d6217bf0a.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{CA675~1\VCREDI~1.EXE	724393c159a7bee5a585005b11e72b56739f4dc96d93d52598040a8d6217bf0a.exe
File opened for modification	C:\PROGRA~2\WINDOW~2\ACCESS~1\wordpad.exe	724393c159a7bee5a585005b11e72b56739f4dc96d93d52598040a8d6217bf0a.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{4D8DC~1\VC_RED~1.EXE	724393c159a7bee5a585005b11e72b56739f4dc96d93d52598040a8d6217bf0a.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\SETUPF~1\{AC76B~1\Setup.exe	724393c159a7bee5a585005b11e72b56739f4dc96d93d52598040a8d6217bf0a.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\ONENOTEM.EXE	724393c159a7bee5a585005b11e72b56739f4dc96d93d52598040a8d6217bf0a.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\XLICONS.EXE	724393c159a7bee5a585005b11e72b56739f4dc96d93d52598040a8d6217bf0a.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmpconfig.exe	724393c159a7bee5a585005b11e72b56739f4dc96d93d52598040a8d6217bf0a.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\ADOBEC~1.EXE	724393c159a7bee5a585005b11e72b56739f4dc96d93d52598040a8d6217bf0a.exe
File opened for modification	C:\PROGRA~2\COMMON~1\Adobe\Updater6\ADOBEU~1.EXE	724393c159a7bee5a585005b11e72b56739f4dc96d93d52598040a8d6217bf0a.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSTORDB.EXE	724393c159a7bee5a585005b11e72b56739f4dc96d93d52598040a8d6217bf0a.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\INFOPATH.EXE	724393c159a7bee5a585005b11e72b56739f4dc96d93d52598040a8d6217bf0a.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSOSYNC.EXE	724393c159a7bee5a585005b11e72b56739f4dc96d93d52598040a8d6217bf0a.exe
File opened for modification	C:\PROGRA~2\MOZILL~1\MAINTE~1.EXE	724393c159a7bee5a585005b11e72b56739f4dc96d93d52598040a8d6217bf0a.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmplayer.exe	724393c159a7bee5a585005b11e72b56739f4dc96d93d52598040a8d6217bf0a.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\ink\mip.exe	724393c159a7bee5a585005b11e72b56739f4dc96d93d52598040a8d6217bf0a.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\LICLUA.EXE	724393c159a7bee5a585005b11e72b56739f4dc96d93d52598040a8d6217bf0a.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\GROOVEMN.EXE	724393c159a7bee5a585005b11e72b56739f4dc96d93d52598040a8d6217bf0a.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\IECONT~1.EXE	724393c159a7bee5a585005b11e72b56739f4dc96d93d52598040a8d6217bf0a.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\CLVIEW.EXE	724393c159a7bee5a585005b11e72b56739f4dc96d93d52598040a8d6217bf0a.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\OIS.EXE	724393c159a7bee5a585005b11e72b56739f4dc96d93d52598040a8d6217bf0a.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\setup_wm.exe	724393c159a7bee5a585005b11e72b56739f4dc96d93d52598040a8d6217bf0a.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmpshare.exe	724393c159a7bee5a585005b11e72b56739f4dc96d93d52598040a8d6217bf0a.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\MSOXMLED.EXE	724393c159a7bee5a585005b11e72b56739f4dc96d93d52598040a8d6217bf0a.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\Oarpmany.exe	724393c159a7bee5a585005b11e72b56739f4dc96d93d52598040a8d6217bf0a.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOOGLE~3.EXE	724393c159a7bee5a585005b11e72b56739f4dc96d93d52598040a8d6217bf0a.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOOGLE~2.EXE	724393c159a7bee5a585005b11e72b56739f4dc96d93d52598040a8d6217bf0a.exe
File opened for modification	C:\PROGRA~2\WI4223~1\sidebar.exe	724393c159a7bee5a585005b11e72b56739f4dc96d93d52598040a8d6217bf0a.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\WORDICON.EXE	724393c159a7bee5a585005b11e72b56739f4dc96d93d52598040a8d6217bf0a.exe
File opened for modification	C:\PROGRA~2\WINDOW~1\wab.exe	724393c159a7bee5a585005b11e72b56739f4dc96d93d52598040a8d6217bf0a.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmprph.exe	724393c159a7bee5a585005b11e72b56739f4dc96d93d52598040a8d6217bf0a.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{61087~1\VCREDI~1.EXE	724393c159a7bee5a585005b11e72b56739f4dc96d93d52598040a8d6217bf0a.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOBD5D~1.EXE	724393c159a7bee5a585005b11e72b56739f4dc96d93d52598040a8d6217bf0a.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSOUC.EXE	724393c159a7bee5a585005b11e72b56739f4dc96d93d52598040a8d6217bf0a.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\PPTICO.EXE	724393c159a7bee5a585005b11e72b56739f4dc96d93d52598040a8d6217bf0a.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\VPREVIEW.EXE	724393c159a7bee5a585005b11e72b56739f4dc96d93d52598040a8d6217bf0a.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\svchost.com	724393c159a7bee5a585005b11e72b56739f4dc96d93d52598040a8d6217bf0a.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 3 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	724393c159a7bee5a585005b11e72b56739f4dc96d93d52598040a8d6217bf0a.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	724393c159a7bee5a585005b11e72b56739f4dc96d93d52598040a8d6217bf0a.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Un_A.exe

NSIS installer 2 IoCs

installer

resource	yara_rule
behavioral1/files/0x0008000000016f02-2.dat	nsis_installer_1
behavioral1/files/0x0008000000016f02-2.dat	nsis_installer_2

Modifies registry class 1 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Windows\\svchost.com \"%1\" %*"	724393c159a7bee5a585005b11e72b56739f4dc96d93d52598040a8d6217bf0a.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2844 wrote to memory of 1340	2844	724393c159a7bee5a585005b11e72b56739f4dc96d93d52598040a8d6217bf0a.exe	31
PID 2844 wrote to memory of 1340	2844	724393c159a7bee5a585005b11e72b56739f4dc96d93d52598040a8d6217bf0a.exe	31
PID 2844 wrote to memory of 1340	2844	724393c159a7bee5a585005b11e72b56739f4dc96d93d52598040a8d6217bf0a.exe	31
PID 2844 wrote to memory of 1340	2844	724393c159a7bee5a585005b11e72b56739f4dc96d93d52598040a8d6217bf0a.exe	31
PID 1340 wrote to memory of 2720	1340	724393c159a7bee5a585005b11e72b56739f4dc96d93d52598040a8d6217bf0a.exe	32
PID 1340 wrote to memory of 2720	1340	724393c159a7bee5a585005b11e72b56739f4dc96d93d52598040a8d6217bf0a.exe	32
PID 1340 wrote to memory of 2720	1340	724393c159a7bee5a585005b11e72b56739f4dc96d93d52598040a8d6217bf0a.exe	32
PID 1340 wrote to memory of 2720	1340	724393c159a7bee5a585005b11e72b56739f4dc96d93d52598040a8d6217bf0a.exe	32

C:\Users\Admin\AppData\Local\Temp\724393c159a7bee5a585005b11e72b56739f4dc96d93d52598040a8d6217bf0a.exe
"C:\Users\Admin\AppData\Local\Temp\724393c159a7bee5a585005b11e72b56739f4dc96d93d52598040a8d6217bf0a.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:2844
- C:\Users\Admin\AppData\Local\Temp\3582-490\724393c159a7bee5a585005b11e72b56739f4dc96d93d52598040a8d6217bf0a.exe
  "C:\Users\Admin\AppData\Local\Temp\3582-490\724393c159a7bee5a585005b11e72b56739f4dc96d93d52598040a8d6217bf0a.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1340
- - C:\Users\Admin\AppData\Local\Temp\~nsuA.tmp\Un_A.exe
    "C:\Users\Admin\AppData\Local\Temp\~nsuA.tmp\Un_A.exe" _?=C:\Users\Admin\AppData\Local\Temp\3582-490\
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - System Location Discovery: System Language Discovery
    PID:2720

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\724393c159a7bee5a585005b11e72b56739f4dc96d93d52598040a8d6217bf0a.exe

Filesize
82KB

MD5
83d4990b7269e88ab0aa1d1b5dec9142

SHA1
0ddbe7faa83c380e818db9ea690ee8ca870d83dc

SHA256
273f04b034f0a08c298f9d558cd93d47093661b5505525fe414c7975ab29090a

SHA512
970fe01959f7330d38f995aa4459093392416ad6bd1ae6cfe31d3bfc1c2d1453147d1f62c3c70d580c5dd2c9a089e833f69027649d1de961a5df435bd409794c

Download Submit
\Users\Admin\AppData\Local\Temp\nsjE311.tmp\LangDLL.dll

Filesize
5KB

MD5
20231d894bf014965d1aeccf79ab8ef3

SHA1
cdce15f0c10bc8a7ac72da25ee66e876bf9ea319

SHA256
6ab9ee3478f20c33ee37944720e2fab4fd21580d66e60de18a5d9b559d2589b0

SHA512
c84094ffb5072528cecce86ce43b0dc5599b344fcfabf14203dbeb8e08b4e522a69f2eb6e4bc379df98f1c2214c4322b32af25353ea320a18339bb924feaf51c

Download Submit
memory/2844-97-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/2844-99-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads