neshta | e38373ce94a980a03ca680db8b8ec8e6898ad07db71363a45d1ce8c68b5bf3c7

Analysis

max time kernel
16s
max time network
17s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
06-11-2024 14:59

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General

Target

e38373ce94a980a03ca680db8b8ec8e6898ad07db71363a45d1ce8c68b5bf3c7N.exe
Size

1.0MB
MD5

fdd3cdee83996978f747483478555010
SHA1

5867ac795a9e43f07074a487695a86c42b010aae
SHA256

e38373ce94a980a03ca680db8b8ec8e6898ad07db71363a45d1ce8c68b5bf3c7
SHA512

50fb42ff8f711cc5697810d5fcdff1d7f71ee0f365616132e2f6c11a4dc87b87f4cce230ea684aa14f8bc36907b354bad4a48262414647d2df3ca7bcdce05aae
SSDEEP

24576:k0s3x60zadnawzObJx5fEOed1rAaZ8wBTy7V:k0ujzadnawzObJx5fEOed1kaZlg

Score

10^/10

neshta discovery persistence spyware stealer

Malware Config

Signatures

Detect Neshta payload 3 IoCs

Processes:

resource	yara_rule
behavioral1/files/0x0001000000010318-9.dat	family_neshta
behavioral1/memory/1920-82-0x0000000000400000-0x000000000041B000-memory.dmp	family_neshta
behavioral1/memory/1920-84-0x0000000000400000-0x000000000041B000-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

Processes:

e38373ce94a980a03ca680db8b8ec8e6898ad07db71363a45d1ce8c68b5bf3c7N.exe

pid	Process
3040	e38373ce94a980a03ca680db8b8ec8e6898ad07db71363a45d1ce8c68b5bf3c7N.exe

Loads dropped DLL 2 IoCs

Processes:

e38373ce94a980a03ca680db8b8ec8e6898ad07db71363a45d1ce8c68b5bf3c7N.exe

pid	Process
1920	e38373ce94a980a03ca680db8b8ec8e6898ad07db71363a45d1ce8c68b5bf3c7N.exe
1920	e38373ce94a980a03ca680db8b8ec8e6898ad07db71363a45d1ce8c68b5bf3c7N.exe

Modifies system executable filetype association 2 TTPs 1 IoCs

persistence

Modify Registry

T1112

Change Default File Association

T1546.001

Processes:

e38373ce94a980a03ca680db8b8ec8e6898ad07db71363a45d1ce8c68b5bf3c7N.exe

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Windows\\svchost.com \"%1\" %*"	e38373ce94a980a03ca680db8b8ec8e6898ad07db71363a45d1ce8c68b5bf3c7N.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:

e38373ce94a980a03ca680db8b8ec8e6898ad07db71363a45d1ce8c68b5bf3c7N.exe

description	ioc	Process
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\AcroRd32.exe	e38373ce94a980a03ca680db8b8ec8e6898ad07db71363a45d1ce8c68b5bf3c7N.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\Eula.exe	e38373ce94a980a03ca680db8b8ec8e6898ad07db71363a45d1ce8c68b5bf3c7N.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\VSTO\10.0\VSTOIN~1.EXE	e38373ce94a980a03ca680db8b8ec8e6898ad07db71363a45d1ce8c68b5bf3c7N.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{57A73~1\VC_RED~1.EXE	e38373ce94a980a03ca680db8b8ec8e6898ad07db71363a45d1ce8c68b5bf3c7N.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{EF6B0~1\VCREDI~1.EXE	e38373ce94a980a03ca680db8b8ec8e6898ad07db71363a45d1ce8c68b5bf3c7N.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\LOGTRA~1.EXE	e38373ce94a980a03ca680db8b8ec8e6898ad07db71363a45d1ce8c68b5bf3c7N.exe
File opened for modification	C:\PROGRA~2\COMMON~1\ADOBEA~1\Versions\1.0\ADOBEA~1.EXE	e38373ce94a980a03ca680db8b8ec8e6898ad07db71363a45d1ce8c68b5bf3c7N.exe
File opened for modification	C:\PROGRA~2\MOZILL~1\UNINST~1.EXE	e38373ce94a980a03ca680db8b8ec8e6898ad07db71363a45d1ce8c68b5bf3c7N.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\WMPDMC.exe	e38373ce94a980a03ca680db8b8ec8e6898ad07db71363a45d1ce8c68b5bf3c7N.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{61087~1\VCREDI~1.EXE	e38373ce94a980a03ca680db8b8ec8e6898ad07db71363a45d1ce8c68b5bf3c7N.exe
File opened for modification	C:\PROGRA~2\COMMON~1\Adobe\Updater6\ADOBEU~1.EXE	e38373ce94a980a03ca680db8b8ec8e6898ad07db71363a45d1ce8c68b5bf3c7N.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GO664E~1.EXE	e38373ce94a980a03ca680db8b8ec8e6898ad07db71363a45d1ce8c68b5bf3c7N.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\CNFNOT32.EXE	e38373ce94a980a03ca680db8b8ec8e6898ad07db71363a45d1ce8c68b5bf3c7N.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\GRAPH.EXE	e38373ce94a980a03ca680db8b8ec8e6898ad07db71363a45d1ce8c68b5bf3c7N.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\XLICONS.EXE	e38373ce94a980a03ca680db8b8ec8e6898ad07db71363a45d1ce8c68b5bf3c7N.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\EQUATION\EQNEDT32.EXE	e38373ce94a980a03ca680db8b8ec8e6898ad07db71363a45d1ce8c68b5bf3c7N.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\FLTLDR.EXE	e38373ce94a980a03ca680db8b8ec8e6898ad07db71363a45d1ce8c68b5bf3c7N.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\MSOICONS.EXE	e38373ce94a980a03ca680db8b8ec8e6898ad07db71363a45d1ce8c68b5bf3c7N.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\Oarpmany.exe	e38373ce94a980a03ca680db8b8ec8e6898ad07db71363a45d1ce8c68b5bf3c7N.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\TextConv\WksConv\Wkconv.exe	e38373ce94a980a03ca680db8b8ec8e6898ad07db71363a45d1ce8c68b5bf3c7N.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOBD5D~1.EXE	e38373ce94a980a03ca680db8b8ec8e6898ad07db71363a45d1ce8c68b5bf3c7N.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\MSInfo\msinfo32.exe	e38373ce94a980a03ca680db8b8ec8e6898ad07db71363a45d1ce8c68b5bf3c7N.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\LICLUA.EXE	e38373ce94a980a03ca680db8b8ec8e6898ad07db71363a45d1ce8c68b5bf3c7N.exe
File opened for modification	C:\PROGRA~2\INTERN~1\iexplore.exe	e38373ce94a980a03ca680db8b8ec8e6898ad07db71363a45d1ce8c68b5bf3c7N.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\PPTICO.EXE	e38373ce94a980a03ca680db8b8ec8e6898ad07db71363a45d1ce8c68b5bf3c7N.exe
File opened for modification	C:\PROGRA~2\WINDOW~4\ImagingDevices.exe	e38373ce94a980a03ca680db8b8ec8e6898ad07db71363a45d1ce8c68b5bf3c7N.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\OFFICE~1\Setup.exe	e38373ce94a980a03ca680db8b8ec8e6898ad07db71363a45d1ce8c68b5bf3c7N.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOOGLE~4.EXE	e38373ce94a980a03ca680db8b8ec8e6898ad07db71363a45d1ce8c68b5bf3c7N.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\ACCICONS.EXE	e38373ce94a980a03ca680db8b8ec8e6898ad07db71363a45d1ce8c68b5bf3c7N.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\BCSSync.exe	e38373ce94a980a03ca680db8b8ec8e6898ad07db71363a45d1ce8c68b5bf3c7N.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSOUC.EXE	e38373ce94a980a03ca680db8b8ec8e6898ad07db71363a45d1ce8c68b5bf3c7N.exe
File opened for modification	C:\PROGRA~2\WINDOW~1\wab.exe	e38373ce94a980a03ca680db8b8ec8e6898ad07db71363a45d1ce8c68b5bf3c7N.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\ACROBR~1.EXE	e38373ce94a980a03ca680db8b8ec8e6898ad07db71363a45d1ce8c68b5bf3c7N.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\OFFICE~1\ODeploy.exe	e38373ce94a980a03ca680db8b8ec8e6898ad07db71363a45d1ce8c68b5bf3c7N.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\misc.exe	e38373ce94a980a03ca680db8b8ec8e6898ad07db71363a45d1ce8c68b5bf3c7N.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmplayer.exe	e38373ce94a980a03ca680db8b8ec8e6898ad07db71363a45d1ce8c68b5bf3c7N.exe
File opened for modification	C:\PROGRA~2\WINDOW~2\ACCESS~1\wordpad.exe	e38373ce94a980a03ca680db8b8ec8e6898ad07db71363a45d1ce8c68b5bf3c7N.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\A3DUTI~1.EXE	e38373ce94a980a03ca680db8b8ec8e6898ad07db71363a45d1ce8c68b5bf3c7N.exe
File opened for modification	C:\PROGRA~2\INTERN~1\ieinstal.exe	e38373ce94a980a03ca680db8b8ec8e6898ad07db71363a45d1ce8c68b5bf3c7N.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{4D8DC~1\VC_RED~1.EXE	e38373ce94a980a03ca680db8b8ec8e6898ad07db71363a45d1ce8c68b5bf3c7N.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Resource\Icons\SC_REA~1.EXE	e38373ce94a980a03ca680db8b8ec8e6898ad07db71363a45d1ce8c68b5bf3c7N.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOF5E2~1.EXE	e38373ce94a980a03ca680db8b8ec8e6898ad07db71363a45d1ce8c68b5bf3c7N.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\INFOPATH.EXE	e38373ce94a980a03ca680db8b8ec8e6898ad07db71363a45d1ce8c68b5bf3c7N.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\OIS.EXE	e38373ce94a980a03ca680db8b8ec8e6898ad07db71363a45d1ce8c68b5bf3c7N.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\ONENOTE.EXE	e38373ce94a980a03ca680db8b8ec8e6898ad07db71363a45d1ce8c68b5bf3c7N.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\VPREVIEW.EXE	e38373ce94a980a03ca680db8b8ec8e6898ad07db71363a45d1ce8c68b5bf3c7N.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{33D1F~1\VCREDI~1.EXE	e38373ce94a980a03ca680db8b8ec8e6898ad07db71363a45d1ce8c68b5bf3c7N.exe
File opened for modification	C:\PROGRA~2\COMMON~1\Adobe\Updater6\ADOBE_~1.EXE	e38373ce94a980a03ca680db8b8ec8e6898ad07db71363a45d1ce8c68b5bf3c7N.exe
File opened for modification	C:\PROGRA~2\INTERN~1\ielowutil.exe	e38373ce94a980a03ca680db8b8ec8e6898ad07db71363a45d1ce8c68b5bf3c7N.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSOHTMED.EXE	e38373ce94a980a03ca680db8b8ec8e6898ad07db71363a45d1ce8c68b5bf3c7N.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSQRY32.EXE	e38373ce94a980a03ca680db8b8ec8e6898ad07db71363a45d1ce8c68b5bf3c7N.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSTORE.EXE	e38373ce94a980a03ca680db8b8ec8e6898ad07db71363a45d1ce8c68b5bf3c7N.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\SELFCERT.EXE	e38373ce94a980a03ca680db8b8ec8e6898ad07db71363a45d1ce8c68b5bf3c7N.exe
File opened for modification	C:\PROGRA~2\MOZILL~1\MAINTE~1.EXE	e38373ce94a980a03ca680db8b8ec8e6898ad07db71363a45d1ce8c68b5bf3c7N.exe
File opened for modification	C:\PROGRA~2\WI4223~1\sidebar.exe	e38373ce94a980a03ca680db8b8ec8e6898ad07db71363a45d1ce8c68b5bf3c7N.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\SETUPF~1\{AC76B~1\Setup.exe	e38373ce94a980a03ca680db8b8ec8e6898ad07db71363a45d1ce8c68b5bf3c7N.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\DW\DW20.EXE	e38373ce94a980a03ca680db8b8ec8e6898ad07db71363a45d1ce8c68b5bf3c7N.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\IECONT~1.EXE	e38373ce94a980a03ca680db8b8ec8e6898ad07db71363a45d1ce8c68b5bf3c7N.exe
File opened for modification	C:\PROGRA~2\WINDOW~1\wabmig.exe	e38373ce94a980a03ca680db8b8ec8e6898ad07db71363a45d1ce8c68b5bf3c7N.exe
File opened for modification	C:\PROGRA~2\WINDOW~1\WinMail.exe	e38373ce94a980a03ca680db8b8ec8e6898ad07db71363a45d1ce8c68b5bf3c7N.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\setup_wm.exe	e38373ce94a980a03ca680db8b8ec8e6898ad07db71363a45d1ce8c68b5bf3c7N.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmlaunch.exe	e38373ce94a980a03ca680db8b8ec8e6898ad07db71363a45d1ce8c68b5bf3c7N.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmprph.exe	e38373ce94a980a03ca680db8b8ec8e6898ad07db71363a45d1ce8c68b5bf3c7N.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\DW\DWTRIG20.EXE	e38373ce94a980a03ca680db8b8ec8e6898ad07db71363a45d1ce8c68b5bf3c7N.exe

Drops file in Windows directory 1 IoCs

Processes:

e38373ce94a980a03ca680db8b8ec8e6898ad07db71363a45d1ce8c68b5bf3c7N.exe

description	ioc	Process
File opened for modification	C:\Windows\svchost.com	e38373ce94a980a03ca680db8b8ec8e6898ad07db71363a45d1ce8c68b5bf3c7N.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:

e38373ce94a980a03ca680db8b8ec8e6898ad07db71363a45d1ce8c68b5bf3c7N.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	e38373ce94a980a03ca680db8b8ec8e6898ad07db71363a45d1ce8c68b5bf3c7N.exe

Modifies registry class 1 IoCs

Processes:

e38373ce94a980a03ca680db8b8ec8e6898ad07db71363a45d1ce8c68b5bf3c7N.exe

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Windows\\svchost.com \"%1\" %*"	e38373ce94a980a03ca680db8b8ec8e6898ad07db71363a45d1ce8c68b5bf3c7N.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

e38373ce94a980a03ca680db8b8ec8e6898ad07db71363a45d1ce8c68b5bf3c7N.exe

description	pid	Process	procid_target
PID 1920 wrote to memory of 3040	1920	e38373ce94a980a03ca680db8b8ec8e6898ad07db71363a45d1ce8c68b5bf3c7N.exe	30
PID 1920 wrote to memory of 3040	1920	e38373ce94a980a03ca680db8b8ec8e6898ad07db71363a45d1ce8c68b5bf3c7N.exe	30
PID 1920 wrote to memory of 3040	1920	e38373ce94a980a03ca680db8b8ec8e6898ad07db71363a45d1ce8c68b5bf3c7N.exe	30
PID 1920 wrote to memory of 3040	1920	e38373ce94a980a03ca680db8b8ec8e6898ad07db71363a45d1ce8c68b5bf3c7N.exe	30

C:\Users\Admin\AppData\Local\Temp\e38373ce94a980a03ca680db8b8ec8e6898ad07db71363a45d1ce8c68b5bf3c7N.exe
"C:\Users\Admin\AppData\Local\Temp\e38373ce94a980a03ca680db8b8ec8e6898ad07db71363a45d1ce8c68b5bf3c7N.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:1920
- C:\Users\Admin\AppData\Local\Temp\3582-490\e38373ce94a980a03ca680db8b8ec8e6898ad07db71363a45d1ce8c68b5bf3c7N.exe
  "C:\Users\Admin\AppData\Local\Temp\3582-490\e38373ce94a980a03ca680db8b8ec8e6898ad07db71363a45d1ce8c68b5bf3c7N.exe"
  2⤵
  - Executes dropped EXE
  PID:3040

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\e38373ce94a980a03ca680db8b8ec8e6898ad07db71363a45d1ce8c68b5bf3c7N.exe

Filesize
995KB

MD5
d3468921ef547e44d7b9eb96ef87b432

SHA1
d12e32bfcaf6226e3351f78bf26a7b1cc61667e9

SHA256
80e86e94088184b96e6fc7b13fc8b0fa4449218de04d0cff3d8ae7d323ed7308

SHA512
a2f3f26b9260edd3988f7624bd89a8eddee307bd423624e5485dff17fcefcf34a6d49752c1e579f2e7824e5d9b024d1e9cd8c919c705cc46bc07bb8d41591b0b

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memory/1920-82-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

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memory/1920-84-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

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