neshta | b670974df7d56d22038c00af4f5f19b2062fa6a6fe24e339f05a8dec8eb356dd

Analysis

max time kernel
113s
max time network
19s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
19/11/2024, 22:25 UTC

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

b670974df7d56d22038c00af4f5f19b2062fa6a6fe24e339f05a8dec8eb356ddN.exe
Size

702KB
MD5

31218c782b3837e4efd3ef3ab7e932e0
SHA1

1ee215fb9b409f4d10fba323706a4c9c13822fa2
SHA256

b670974df7d56d22038c00af4f5f19b2062fa6a6fe24e339f05a8dec8eb356dd
SHA512

4023320de0c40ebe908b8f176bf8184ecd847d99536acd09d348ce1d2cb64c0431567a70404775012a61c6f9b501ee6f08c43622d9beee42962fd6d3400e5efe
SSDEEP

6144:k9OkMoPOqNjsusisP5N1akMoPOqNjsusisPpBnV4M:sz5Kz5gn

Score

10^/10

neshta discovery persistence spyware stealer

Malware Config

Signatures

Detect Neshta payload 5 IoCs

resource	yara_rule
behavioral1/files/0x0001000000010314-10.dat	family_neshta
behavioral1/memory/2024-85-0x0000000000400000-0x000000000041B000-memory.dmp	family_neshta
behavioral1/memory/2024-86-0x0000000000400000-0x000000000041B000-memory.dmp	family_neshta
behavioral1/memory/2024-87-0x0000000000400000-0x000000000041B000-memory.dmp	family_neshta
behavioral1/memory/2024-89-0x0000000000400000-0x000000000041B000-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
Neshta family
neshta

Executes dropped EXE 1 IoCs

pid	Process
2532	b670974df7d56d22038c00af4f5f19b2062fa6a6fe24e339f05a8dec8eb356ddN.exe

Loads dropped DLL 2 IoCs

pid	Process
2024	b670974df7d56d22038c00af4f5f19b2062fa6a6fe24e339f05a8dec8eb356ddN.exe
2024	b670974df7d56d22038c00af4f5f19b2062fa6a6fe24e339f05a8dec8eb356ddN.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\" %*"	b670974df7d56d22038c00af4f5f19b2062fa6a6fe24e339f05a8dec8eb356ddN.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\WI54FB~1\wmprph.exe	b670974df7d56d22038c00af4f5f19b2062fa6a6fe24e339f05a8dec8eb356ddN.exe
File opened for modification	C:\PROGRA~2\WI4223~1\sidebar.exe	b670974df7d56d22038c00af4f5f19b2062fa6a6fe24e339f05a8dec8eb356ddN.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\A3DUTI~1.EXE	b670974df7d56d22038c00af4f5f19b2062fa6a6fe24e339f05a8dec8eb356ddN.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\MSInfo\msinfo32.exe	b670974df7d56d22038c00af4f5f19b2062fa6a6fe24e339f05a8dec8eb356ddN.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\Oarpmany.exe	b670974df7d56d22038c00af4f5f19b2062fa6a6fe24e339f05a8dec8eb356ddN.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\TextConv\WksConv\Wkconv.exe	b670974df7d56d22038c00af4f5f19b2062fa6a6fe24e339f05a8dec8eb356ddN.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOOGLE~1.EXE	b670974df7d56d22038c00af4f5f19b2062fa6a6fe24e339f05a8dec8eb356ddN.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\WINWORD.EXE	b670974df7d56d22038c00af4f5f19b2062fa6a6fe24e339f05a8dec8eb356ddN.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\OFFICE~1\Setup.exe	b670974df7d56d22038c00af4f5f19b2062fa6a6fe24e339f05a8dec8eb356ddN.exe
File opened for modification	C:\PROGRA~2\INTERN~1\iexplore.exe	b670974df7d56d22038c00af4f5f19b2062fa6a6fe24e339f05a8dec8eb356ddN.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\SELFCERT.EXE	b670974df7d56d22038c00af4f5f19b2062fa6a6fe24e339f05a8dec8eb356ddN.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\XLICONS.EXE	b670974df7d56d22038c00af4f5f19b2062fa6a6fe24e339f05a8dec8eb356ddN.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\ONENOTE.EXE	b670974df7d56d22038c00af4f5f19b2062fa6a6fe24e339f05a8dec8eb356ddN.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmpshare.exe	b670974df7d56d22038c00af4f5f19b2062fa6a6fe24e339f05a8dec8eb356ddN.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\ADOBEC~1.EXE	b670974df7d56d22038c00af4f5f19b2062fa6a6fe24e339f05a8dec8eb356ddN.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\DW\DWTRIG20.EXE	b670974df7d56d22038c00af4f5f19b2062fa6a6fe24e339f05a8dec8eb356ddN.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOF5E2~1.EXE	b670974df7d56d22038c00af4f5f19b2062fa6a6fe24e339f05a8dec8eb356ddN.exe
File opened for modification	C:\PROGRA~2\INTERN~1\ielowutil.exe	b670974df7d56d22038c00af4f5f19b2062fa6a6fe24e339f05a8dec8eb356ddN.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\CNFNOT32.EXE	b670974df7d56d22038c00af4f5f19b2062fa6a6fe24e339f05a8dec8eb356ddN.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\GRAPH.EXE	b670974df7d56d22038c00af4f5f19b2062fa6a6fe24e339f05a8dec8eb356ddN.exe
File opened for modification	C:\PROGRA~2\WINDOW~4\ImagingDevices.exe	b670974df7d56d22038c00af4f5f19b2062fa6a6fe24e339f05a8dec8eb356ddN.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOOGLE~4.EXE	b670974df7d56d22038c00af4f5f19b2062fa6a6fe24e339f05a8dec8eb356ddN.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\BCSSync.exe	b670974df7d56d22038c00af4f5f19b2062fa6a6fe24e339f05a8dec8eb356ddN.exe
File opened for modification	C:\PROGRA~2\WINDOW~1\wabmig.exe	b670974df7d56d22038c00af4f5f19b2062fa6a6fe24e339f05a8dec8eb356ddN.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Resource\Icons\SC_REA~1.EXE	b670974df7d56d22038c00af4f5f19b2062fa6a6fe24e339f05a8dec8eb356ddN.exe
File opened for modification	C:\PROGRA~2\Google\Update\DISABL~1.EXE	b670974df7d56d22038c00af4f5f19b2062fa6a6fe24e339f05a8dec8eb356ddN.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSOUC.EXE	b670974df7d56d22038c00af4f5f19b2062fa6a6fe24e339f05a8dec8eb356ddN.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\OIS.EXE	b670974df7d56d22038c00af4f5f19b2062fa6a6fe24e339f05a8dec8eb356ddN.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{33D1F~1\VCREDI~1.EXE	b670974df7d56d22038c00af4f5f19b2062fa6a6fe24e339f05a8dec8eb356ddN.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{61087~1\VCREDI~1.EXE	b670974df7d56d22038c00af4f5f19b2062fa6a6fe24e339f05a8dec8eb356ddN.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\LICLUA.EXE	b670974df7d56d22038c00af4f5f19b2062fa6a6fe24e339f05a8dec8eb356ddN.exe
File opened for modification	C:\PROGRA~2\MOZILL~1\UNINST~1.EXE	b670974df7d56d22038c00af4f5f19b2062fa6a6fe24e339f05a8dec8eb356ddN.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmlaunch.exe	b670974df7d56d22038c00af4f5f19b2062fa6a6fe24e339f05a8dec8eb356ddN.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\ink\mip.exe	b670974df7d56d22038c00af4f5f19b2062fa6a6fe24e339f05a8dec8eb356ddN.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\VSTO\10.0\VSTOIN~1.EXE	b670974df7d56d22038c00af4f5f19b2062fa6a6fe24e339f05a8dec8eb356ddN.exe
File opened for modification	C:\PROGRA~2\INTERN~1\ieinstal.exe	b670974df7d56d22038c00af4f5f19b2062fa6a6fe24e339f05a8dec8eb356ddN.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\misc.exe	b670974df7d56d22038c00af4f5f19b2062fa6a6fe24e339f05a8dec8eb356ddN.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\PPTICO.EXE	b670974df7d56d22038c00af4f5f19b2062fa6a6fe24e339f05a8dec8eb356ddN.exe
File opened for modification	C:\PROGRA~2\WINDOW~1\wab.exe	b670974df7d56d22038c00af4f5f19b2062fa6a6fe24e339f05a8dec8eb356ddN.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\MSOICONS.EXE	b670974df7d56d22038c00af4f5f19b2062fa6a6fe24e339f05a8dec8eb356ddN.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\INFOPATH.EXE	b670974df7d56d22038c00af4f5f19b2062fa6a6fe24e339f05a8dec8eb356ddN.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSTORE.EXE	b670974df7d56d22038c00af4f5f19b2062fa6a6fe24e339f05a8dec8eb356ddN.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\NAMECO~1.EXE	b670974df7d56d22038c00af4f5f19b2062fa6a6fe24e339f05a8dec8eb356ddN.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\ONENOTEM.EXE	b670974df7d56d22038c00af4f5f19b2062fa6a6fe24e339f05a8dec8eb356ddN.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\POWERPNT.EXE	b670974df7d56d22038c00af4f5f19b2062fa6a6fe24e339f05a8dec8eb356ddN.exe
File opened for modification	C:\PROGRA~2\COMMON~1\Adobe\Updater6\ADOBEU~1.EXE	b670974df7d56d22038c00af4f5f19b2062fa6a6fe24e339f05a8dec8eb356ddN.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\1033\ONELEV.EXE	b670974df7d56d22038c00af4f5f19b2062fa6a6fe24e339f05a8dec8eb356ddN.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\setup_wm.exe	b670974df7d56d22038c00af4f5f19b2062fa6a6fe24e339f05a8dec8eb356ddN.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\WMPDMC.exe	b670974df7d56d22038c00af4f5f19b2062fa6a6fe24e339f05a8dec8eb356ddN.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\AcroRd32.exe	b670974df7d56d22038c00af4f5f19b2062fa6a6fe24e339f05a8dec8eb356ddN.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSOSYNC.EXE	b670974df7d56d22038c00af4f5f19b2062fa6a6fe24e339f05a8dec8eb356ddN.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\WORDICON.EXE	b670974df7d56d22038c00af4f5f19b2062fa6a6fe24e339f05a8dec8eb356ddN.exe
File opened for modification	C:\PROGRA~2\WINDOW~1\WinMail.exe	b670974df7d56d22038c00af4f5f19b2062fa6a6fe24e339f05a8dec8eb356ddN.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\CLVIEW.EXE	b670974df7d56d22038c00af4f5f19b2062fa6a6fe24e339f05a8dec8eb356ddN.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{CA675~1\VCREDI~1.EXE	b670974df7d56d22038c00af4f5f19b2062fa6a6fe24e339f05a8dec8eb356ddN.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\Eula.exe	b670974df7d56d22038c00af4f5f19b2062fa6a6fe24e339f05a8dec8eb356ddN.exe
File opened for modification	C:\PROGRA~2\COMMON~1\ADOBEA~1\Versions\1.0\ADOBEA~1.EXE	b670974df7d56d22038c00af4f5f19b2062fa6a6fe24e339f05a8dec8eb356ddN.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\DW\DW20.EXE	b670974df7d56d22038c00af4f5f19b2062fa6a6fe24e339f05a8dec8eb356ddN.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\OFFICE~1\ODeploy.exe	b670974df7d56d22038c00af4f5f19b2062fa6a6fe24e339f05a8dec8eb356ddN.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOOGLE~3.EXE	b670974df7d56d22038c00af4f5f19b2062fa6a6fe24e339f05a8dec8eb356ddN.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOBD5D~1.EXE	b670974df7d56d22038c00af4f5f19b2062fa6a6fe24e339f05a8dec8eb356ddN.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\ACROBR~1.EXE	b670974df7d56d22038c00af4f5f19b2062fa6a6fe24e339f05a8dec8eb356ddN.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\LOGTRA~1.EXE	b670974df7d56d22038c00af4f5f19b2062fa6a6fe24e339f05a8dec8eb356ddN.exe
File opened for modification	C:\PROGRA~2\COMMON~1\Adobe\Updater6\ADOBE_~1.EXE	b670974df7d56d22038c00af4f5f19b2062fa6a6fe24e339f05a8dec8eb356ddN.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\svchost.com	b670974df7d56d22038c00af4f5f19b2062fa6a6fe24e339f05a8dec8eb356ddN.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

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	b670974df7d56d22038c00af4f5f19b2062fa6a6fe24e339f05a8dec8eb356ddN.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\" %*"	b670974df7d56d22038c00af4f5f19b2062fa6a6fe24e339f05a8dec8eb356ddN.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2024 wrote to memory of 2532	2024	b670974df7d56d22038c00af4f5f19b2062fa6a6fe24e339f05a8dec8eb356ddN.exe	31
PID 2024 wrote to memory of 2532	2024	b670974df7d56d22038c00af4f5f19b2062fa6a6fe24e339f05a8dec8eb356ddN.exe	31
PID 2024 wrote to memory of 2532	2024	b670974df7d56d22038c00af4f5f19b2062fa6a6fe24e339f05a8dec8eb356ddN.exe	31
PID 2024 wrote to memory of 2532	2024	b670974df7d56d22038c00af4f5f19b2062fa6a6fe24e339f05a8dec8eb356ddN.exe	31
PID 2532 wrote to memory of 2416	2532	b670974df7d56d22038c00af4f5f19b2062fa6a6fe24e339f05a8dec8eb356ddN.exe	32
PID 2532 wrote to memory of 2416	2532	b670974df7d56d22038c00af4f5f19b2062fa6a6fe24e339f05a8dec8eb356ddN.exe	32
PID 2532 wrote to memory of 2416	2532	b670974df7d56d22038c00af4f5f19b2062fa6a6fe24e339f05a8dec8eb356ddN.exe	32

C:\Users\Admin\AppData\Local\Temp\b670974df7d56d22038c00af4f5f19b2062fa6a6fe24e339f05a8dec8eb356ddN.exe
"C:\Users\Admin\AppData\Local\Temp\b670974df7d56d22038c00af4f5f19b2062fa6a6fe24e339f05a8dec8eb356ddN.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:2024
- C:\Users\Admin\AppData\Local\Temp\3582-490\b670974df7d56d22038c00af4f5f19b2062fa6a6fe24e339f05a8dec8eb356ddN.exe
  "C:\Users\Admin\AppData\Local\Temp\3582-490\b670974df7d56d22038c00af4f5f19b2062fa6a6fe24e339f05a8dec8eb356ddN.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of WriteProcessMemory
  PID:2532
- - C:\Windows\system32\WerFault.exe
    C:\Windows\system32\WerFault.exe -u -p 2532 -s 532
    3⤵
    PID:2416

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
C:\Users\Admin\AppData\Local\Temp\3582-490\b670974df7d56d22038c00af4f5f19b2062fa6a6fe24e339f05a8dec8eb356ddN.exe

Filesize
661KB

MD5
f1f54763cef3e3d3b9f19c33afa58206

SHA1
5318444443792b1e4739e95c7c30b273a1951322

SHA256
381b2eb941965870148e11fc4898fafefc0d62e2093a7538ae6fd440798cb16b

SHA512
c2755fadf49ee09167b570d9fc22897867177645475d45964a5c4892feabcf93f95e0cfa6be42bb1b1367b82878c41fcc1cd9bd2594fb6c3f7bf5f91438231bc

Download Submit
\PROGRA~2\Adobe\READER~1.0\Reader\LOGTRA~1.EXE

Filesize
252KB

MD5
9e2b9928c89a9d0da1d3e8f4bd96afa7

SHA1
ec66cda99f44b62470c6930e5afda061579cde35

SHA256
8899b4ed3446b7d55b54defbc1acb7c5392a4b3bc8ec2cdc7c31171708965043

SHA512
2ca5ad1d0e12a8049de885b90b7f56fe77c868e0d6dae4ec4b6f3bc0bf7b2e73295cc9b1328c2b45357ffb0d7804622ab3f91a56140b098e93b691032d508156

Download Submit
memory/2024-85-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/2024-86-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/2024-87-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/2024-89-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/2532-12-0x00000000001B0000-0x0000000000258000-memory.dmp

Filesize
672KB

Download
memory/2532-11-0x000007FEF5833000-0x000007FEF5834000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

We care about your privacy.