neshta | a9c3af9831a8f5a8d92a86ffd4ef74e2e4860781827a13dc45f869a9147b0697

Analysis

max time kernel
140s
max time network
120s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
23-11-2024 02:13

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General

Target

a9c3af9831a8f5a8d92a86ffd4ef74e2e4860781827a13dc45f869a9147b0697.exe
Size

2.0MB
MD5

5be42619d4c412aa007cb4a27e7653c7
SHA1

2e20c1b0787a1409e0a7e2f0aa10a35c37a76c73
SHA256

a9c3af9831a8f5a8d92a86ffd4ef74e2e4860781827a13dc45f869a9147b0697
SHA512

a5b9b9ae11d8c813ef5c4c6e91c20d6679024289d19e791b302bd955488146453384d4625232c6e753b9531e3b760eea9bf048c511a8b86d28dbb91493806453
SSDEEP

24576:G4Pa40x4OHpKQRDDxgH3qu4xbBeSeZMMkqZFObM3VRiVMqamf5hP/PddxwslTZB0:hC4OhqybQSFM6KHiKUf5h/1hT798kAAQ

Score

10^/10

neshta discovery persistence spyware stealer

Malware Config

Signatures

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

pid	Process
2740	a9c3af9831a8f5a8d92a86ffd4ef74e2e4860781827a13dc45f869a9147b0697.exe

Loads dropped DLL 2 IoCs

pid	Process
2844	a9c3af9831a8f5a8d92a86ffd4ef74e2e4860781827a13dc45f869a9147b0697.exe
2844	a9c3af9831a8f5a8d92a86ffd4ef74e2e4860781827a13dc45f869a9147b0697.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\" %*"	a9c3af9831a8f5a8d92a86ffd4ef74e2e4860781827a13dc45f869a9147b0697.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\MICROS~1\Office14\MSQRY32.EXE	a9c3af9831a8f5a8d92a86ffd4ef74e2e4860781827a13dc45f869a9147b0697.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{57A73~1\VC_RED~1.EXE	a9c3af9831a8f5a8d92a86ffd4ef74e2e4860781827a13dc45f869a9147b0697.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\ACCICONS.EXE	a9c3af9831a8f5a8d92a86ffd4ef74e2e4860781827a13dc45f869a9147b0697.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\LOGTRA~1.EXE	a9c3af9831a8f5a8d92a86ffd4ef74e2e4860781827a13dc45f869a9147b0697.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\Oarpmany.exe	a9c3af9831a8f5a8d92a86ffd4ef74e2e4860781827a13dc45f869a9147b0697.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\OFFICE~1\ODeploy.exe	a9c3af9831a8f5a8d92a86ffd4ef74e2e4860781827a13dc45f869a9147b0697.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\SOURCE~1\OSE.EXE	a9c3af9831a8f5a8d92a86ffd4ef74e2e4860781827a13dc45f869a9147b0697.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\misc.exe	a9c3af9831a8f5a8d92a86ffd4ef74e2e4860781827a13dc45f869a9147b0697.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSTORDB.EXE	a9c3af9831a8f5a8d92a86ffd4ef74e2e4860781827a13dc45f869a9147b0697.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\setup_wm.exe	a9c3af9831a8f5a8d92a86ffd4ef74e2e4860781827a13dc45f869a9147b0697.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\ACROBR~1.EXE	a9c3af9831a8f5a8d92a86ffd4ef74e2e4860781827a13dc45f869a9147b0697.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\GROOVEMN.EXE	a9c3af9831a8f5a8d92a86ffd4ef74e2e4860781827a13dc45f869a9147b0697.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\INFOPATH.EXE	a9c3af9831a8f5a8d92a86ffd4ef74e2e4860781827a13dc45f869a9147b0697.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\POWERPNT.EXE	a9c3af9831a8f5a8d92a86ffd4ef74e2e4860781827a13dc45f869a9147b0697.exe
File opened for modification	C:\PROGRA~2\MOZILL~1\UNINST~1.EXE	a9c3af9831a8f5a8d92a86ffd4ef74e2e4860781827a13dc45f869a9147b0697.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{61087~1\VCREDI~1.EXE	a9c3af9831a8f5a8d92a86ffd4ef74e2e4860781827a13dc45f869a9147b0697.exe
File opened for modification	C:\PROGRA~2\INTERN~1\ielowutil.exe	a9c3af9831a8f5a8d92a86ffd4ef74e2e4860781827a13dc45f869a9147b0697.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\MSInfo\msinfo32.exe	a9c3af9831a8f5a8d92a86ffd4ef74e2e4860781827a13dc45f869a9147b0697.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\LICLUA.EXE	a9c3af9831a8f5a8d92a86ffd4ef74e2e4860781827a13dc45f869a9147b0697.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\SELFCERT.EXE	a9c3af9831a8f5a8d92a86ffd4ef74e2e4860781827a13dc45f869a9147b0697.exe
File opened for modification	C:\PROGRA~2\MOZILL~1\MAINTE~1.EXE	a9c3af9831a8f5a8d92a86ffd4ef74e2e4860781827a13dc45f869a9147b0697.exe
File opened for modification	C:\PROGRA~2\WINDOW~1\WinMail.exe	a9c3af9831a8f5a8d92a86ffd4ef74e2e4860781827a13dc45f869a9147b0697.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\Eula.exe	a9c3af9831a8f5a8d92a86ffd4ef74e2e4860781827a13dc45f869a9147b0697.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\SETUPF~1\{AC76B~1\Setup.exe	a9c3af9831a8f5a8d92a86ffd4ef74e2e4860781827a13dc45f869a9147b0697.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\BCSSync.exe	a9c3af9831a8f5a8d92a86ffd4ef74e2e4860781827a13dc45f869a9147b0697.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\VPREVIEW.EXE	a9c3af9831a8f5a8d92a86ffd4ef74e2e4860781827a13dc45f869a9147b0697.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmplayer.exe	a9c3af9831a8f5a8d92a86ffd4ef74e2e4860781827a13dc45f869a9147b0697.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\A3DUTI~1.EXE	a9c3af9831a8f5a8d92a86ffd4ef74e2e4860781827a13dc45f869a9147b0697.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOBD5D~1.EXE	a9c3af9831a8f5a8d92a86ffd4ef74e2e4860781827a13dc45f869a9147b0697.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\GRAPH.EXE	a9c3af9831a8f5a8d92a86ffd4ef74e2e4860781827a13dc45f869a9147b0697.exe
File opened for modification	C:\PROGRA~2\WINDOW~1\wab.exe	a9c3af9831a8f5a8d92a86ffd4ef74e2e4860781827a13dc45f869a9147b0697.exe
File opened for modification	C:\PROGRA~2\WINDOW~4\ImagingDevices.exe	a9c3af9831a8f5a8d92a86ffd4ef74e2e4860781827a13dc45f869a9147b0697.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{EF6B0~1\VCREDI~1.EXE	a9c3af9831a8f5a8d92a86ffd4ef74e2e4860781827a13dc45f869a9147b0697.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\MSOICONS.EXE	a9c3af9831a8f5a8d92a86ffd4ef74e2e4860781827a13dc45f869a9147b0697.exe
File opened for modification	C:\PROGRA~2\Google\Update\DISABL~1.EXE	a9c3af9831a8f5a8d92a86ffd4ef74e2e4860781827a13dc45f869a9147b0697.exe
File opened for modification	C:\PROGRA~2\INTERN~1\ieinstal.exe	a9c3af9831a8f5a8d92a86ffd4ef74e2e4860781827a13dc45f869a9147b0697.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSOHTMED.EXE	a9c3af9831a8f5a8d92a86ffd4ef74e2e4860781827a13dc45f869a9147b0697.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{CA675~1\VCREDI~1.EXE	a9c3af9831a8f5a8d92a86ffd4ef74e2e4860781827a13dc45f869a9147b0697.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\VSTO\10.0\VSTOIN~1.EXE	a9c3af9831a8f5a8d92a86ffd4ef74e2e4860781827a13dc45f869a9147b0697.exe
File opened for modification	C:\PROGRA~2\COMMON~1\ADOBEA~1\Versions\1.0\ADOBEA~1.EXE	a9c3af9831a8f5a8d92a86ffd4ef74e2e4860781827a13dc45f869a9147b0697.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\EQUATION\EQNEDT32.EXE	a9c3af9831a8f5a8d92a86ffd4ef74e2e4860781827a13dc45f869a9147b0697.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\TextConv\WksConv\Wkconv.exe	a9c3af9831a8f5a8d92a86ffd4ef74e2e4860781827a13dc45f869a9147b0697.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSOSYNC.EXE	a9c3af9831a8f5a8d92a86ffd4ef74e2e4860781827a13dc45f869a9147b0697.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSOUC.EXE	a9c3af9831a8f5a8d92a86ffd4ef74e2e4860781827a13dc45f869a9147b0697.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\XLICONS.EXE	a9c3af9831a8f5a8d92a86ffd4ef74e2e4860781827a13dc45f869a9147b0697.exe
File opened for modification	C:\PROGRA~2\WINDOW~2\ACCESS~1\wordpad.exe	a9c3af9831a8f5a8d92a86ffd4ef74e2e4860781827a13dc45f869a9147b0697.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Resource\Icons\SC_REA~1.EXE	a9c3af9831a8f5a8d92a86ffd4ef74e2e4860781827a13dc45f869a9147b0697.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\CNFNOT32.EXE	a9c3af9831a8f5a8d92a86ffd4ef74e2e4860781827a13dc45f869a9147b0697.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSTORE.EXE	a9c3af9831a8f5a8d92a86ffd4ef74e2e4860781827a13dc45f869a9147b0697.exe
File opened for modification	C:\PROGRA~2\WINDOW~1\wabmig.exe	a9c3af9831a8f5a8d92a86ffd4ef74e2e4860781827a13dc45f869a9147b0697.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmpconfig.exe	a9c3af9831a8f5a8d92a86ffd4ef74e2e4860781827a13dc45f869a9147b0697.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\DW\DW20.EXE	a9c3af9831a8f5a8d92a86ffd4ef74e2e4860781827a13dc45f869a9147b0697.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\OIS.EXE	a9c3af9831a8f5a8d92a86ffd4ef74e2e4860781827a13dc45f869a9147b0697.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmpshare.exe	a9c3af9831a8f5a8d92a86ffd4ef74e2e4860781827a13dc45f869a9147b0697.exe
File opened for modification	C:\PROGRA~2\COMMON~1\Adobe\Updater6\ADOBE_~1.EXE	a9c3af9831a8f5a8d92a86ffd4ef74e2e4860781827a13dc45f869a9147b0697.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\MSOXMLED.EXE	a9c3af9831a8f5a8d92a86ffd4ef74e2e4860781827a13dc45f869a9147b0697.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GO664E~1.EXE	a9c3af9831a8f5a8d92a86ffd4ef74e2e4860781827a13dc45f869a9147b0697.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\CLVIEW.EXE	a9c3af9831a8f5a8d92a86ffd4ef74e2e4860781827a13dc45f869a9147b0697.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\IECONT~1.EXE	a9c3af9831a8f5a8d92a86ffd4ef74e2e4860781827a13dc45f869a9147b0697.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\NAMECO~1.EXE	a9c3af9831a8f5a8d92a86ffd4ef74e2e4860781827a13dc45f869a9147b0697.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmlaunch.exe	a9c3af9831a8f5a8d92a86ffd4ef74e2e4860781827a13dc45f869a9147b0697.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\DW\DWTRIG20.EXE	a9c3af9831a8f5a8d92a86ffd4ef74e2e4860781827a13dc45f869a9147b0697.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\ink\mip.exe	a9c3af9831a8f5a8d92a86ffd4ef74e2e4860781827a13dc45f869a9147b0697.exe
File opened for modification	C:\PROGRA~2\INTERN~1\iexplore.exe	a9c3af9831a8f5a8d92a86ffd4ef74e2e4860781827a13dc45f869a9147b0697.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\svchost.com	a9c3af9831a8f5a8d92a86ffd4ef74e2e4860781827a13dc45f869a9147b0697.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

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	a9c3af9831a8f5a8d92a86ffd4ef74e2e4860781827a13dc45f869a9147b0697.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	a9c3af9831a8f5a8d92a86ffd4ef74e2e4860781827a13dc45f869a9147b0697.exe

Checks SCSI registry key(s) 3 TTPs 3 IoCs

SCSI information is often read in order to detect sandboxing environments.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	a9c3af9831a8f5a8d92a86ffd4ef74e2e4860781827a13dc45f869a9147b0697.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	a9c3af9831a8f5a8d92a86ffd4ef74e2e4860781827a13dc45f869a9147b0697.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	a9c3af9831a8f5a8d92a86ffd4ef74e2e4860781827a13dc45f869a9147b0697.exe

Modifies registry class 1 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Windows\\svchost.com \"%1\" %*"	a9c3af9831a8f5a8d92a86ffd4ef74e2e4860781827a13dc45f869a9147b0697.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2844 wrote to memory of 2740	2844	a9c3af9831a8f5a8d92a86ffd4ef74e2e4860781827a13dc45f869a9147b0697.exe	31
PID 2844 wrote to memory of 2740	2844	a9c3af9831a8f5a8d92a86ffd4ef74e2e4860781827a13dc45f869a9147b0697.exe	31
PID 2844 wrote to memory of 2740	2844	a9c3af9831a8f5a8d92a86ffd4ef74e2e4860781827a13dc45f869a9147b0697.exe	31
PID 2844 wrote to memory of 2740	2844	a9c3af9831a8f5a8d92a86ffd4ef74e2e4860781827a13dc45f869a9147b0697.exe	31

C:\Users\Admin\AppData\Local\Temp\a9c3af9831a8f5a8d92a86ffd4ef74e2e4860781827a13dc45f869a9147b0697.exe
"C:\Users\Admin\AppData\Local\Temp\a9c3af9831a8f5a8d92a86ffd4ef74e2e4860781827a13dc45f869a9147b0697.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\a9c3af9831a8f5a8d92a86ffd4ef74e2e4860781827a13dc45f869a9147b0697.exe
  "C:\Users\Admin\AppData\Local\Temp\3582-490\a9c3af9831a8f5a8d92a86ffd4ef74e2e4860781827a13dc45f869a9147b0697.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Checks SCSI registry key(s)
  PID:2740

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

Peripheral Device Discovery

T1120

Query Registry

T1012

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

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Downloads

C:\MSOCache\ALLUSE~1\{90140~1\dwtrig20.exe

Filesize
547KB

MD5
d30b36247185a670852f45098eb9a8e6

SHA1
f37447d3b870174444e0834bd13629fc9804e6f2

SHA256
e57de7cf83c9f5dc4810d748b3907f65f2909eb6391c140ed0b049c452f7d270

SHA512
d1100b0403e95b035e66841db8a64a710a5f7f1b984f51089259468a21ef7696d65e7a3e84b2f774b000c8016eead784810b336455fc9cd7b6663ebf9abb433b

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\a9c3af9831a8f5a8d92a86ffd4ef74e2e4860781827a13dc45f869a9147b0697.exe

Filesize
2.0MB

MD5
c504c330afe592fae5583554c2bfab18

SHA1
de3df1eda1b3dcc9e3f95d1ad8038e343d4f56a9

SHA256
274180e49846829773177ed65ac93fab03d104f84b2c8ce565a30e2a25c1e0ee

SHA512
bbfd92150741086d1634acd19ca97219d7071577010e334ebbb70b38ed03544b4ce8c6ddc6b118368e4fa90e1cd42e1d46df43ea6cb61947ef80903c01a87fa2

Download Submit
memory/2740-11-0x0000000000250000-0x0000000000251000-memory.dmp

Filesize
4KB

Download
memory/2740-87-0x0000000000250000-0x0000000000251000-memory.dmp

Filesize
4KB

Download
memory/2740-86-0x0000000000400000-0x0000000000690000-memory.dmp

Filesize
2.6MB

Download
memory/2844-85-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/2844-89-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads