neshta | d83c5b1e171435eadf95b9f2ab2b2b5e260976c1303ed5b39f60aec532f930bb

Analysis

max time kernel
15s
max time network
16s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
29-11-2024 13:10

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General

Target

d83c5b1e171435eadf95b9f2ab2b2b5e260976c1303ed5b39f60aec532f930bbN.exe
Size

2.0MB
MD5

a57847e7e6de75b6975f76c88c6a8d30
SHA1

73739d3787e1c8f07327efad193eb80e9dd431b5
SHA256

d83c5b1e171435eadf95b9f2ab2b2b5e260976c1303ed5b39f60aec532f930bb
SHA512

fb9cedb73b9e25ebdfc361f8805cb2a9ddd18fb736af275ec07f09133103579007419a24e590dab6631d26bb04cf37cb53ec4f49c9837297919230947bd5cf46
SSDEEP

24576:tepd6tsR+R1uPB2jEI4NsMNfTu+jpIvWCDNx6jRa97CjF7bRi7mRu:8tE1QdfNsafTu+218EFsu

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/2424-91-0x0000000000400000-0x000000000041B000-memory.dmp	family_neshta
behavioral1/memory/2424-93-0x0000000000400000-0x000000000041B000-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
1456	d83c5b1e171435eadf95b9f2ab2b2b5e260976c1303ed5b39f60aec532f930bbN.exe
1252	Process not Found

Loads dropped DLL 2 IoCs

pid	Process
2424	d83c5b1e171435eadf95b9f2ab2b2b5e260976c1303ed5b39f60aec532f930bbN.exe
2424	d83c5b1e171435eadf95b9f2ab2b2b5e260976c1303ed5b39f60aec532f930bbN.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\" %*"	d83c5b1e171435eadf95b9f2ab2b2b5e260976c1303ed5b39f60aec532f930bbN.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\PPTICO.EXE	d83c5b1e171435eadf95b9f2ab2b2b5e260976c1303ed5b39f60aec532f930bbN.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmplayer.exe	d83c5b1e171435eadf95b9f2ab2b2b5e260976c1303ed5b39f60aec532f930bbN.exe
File opened for modification	C:\PROGRA~2\INTERN~1\ielowutil.exe	d83c5b1e171435eadf95b9f2ab2b2b5e260976c1303ed5b39f60aec532f930bbN.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\BCSSync.exe	d83c5b1e171435eadf95b9f2ab2b2b5e260976c1303ed5b39f60aec532f930bbN.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSOUC.EXE	d83c5b1e171435eadf95b9f2ab2b2b5e260976c1303ed5b39f60aec532f930bbN.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\LOGTRA~1.EXE	d83c5b1e171435eadf95b9f2ab2b2b5e260976c1303ed5b39f60aec532f930bbN.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOBD5D~1.EXE	d83c5b1e171435eadf95b9f2ab2b2b5e260976c1303ed5b39f60aec532f930bbN.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\WORDICON.EXE	d83c5b1e171435eadf95b9f2ab2b2b5e260976c1303ed5b39f60aec532f930bbN.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\setup_wm.exe	d83c5b1e171435eadf95b9f2ab2b2b5e260976c1303ed5b39f60aec532f930bbN.exe
File opened for modification	C:\PROGRA~2\COMMON~1\Adobe\Updater6\ADOBEU~1.EXE	d83c5b1e171435eadf95b9f2ab2b2b5e260976c1303ed5b39f60aec532f930bbN.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\NAMECO~1.EXE	d83c5b1e171435eadf95b9f2ab2b2b5e260976c1303ed5b39f60aec532f930bbN.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\DW\DWTRIG20.EXE	d83c5b1e171435eadf95b9f2ab2b2b5e260976c1303ed5b39f60aec532f930bbN.exe
File opened for modification	C:\PROGRA~2\INTERN~1\ieinstal.exe	d83c5b1e171435eadf95b9f2ab2b2b5e260976c1303ed5b39f60aec532f930bbN.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\ACCICONS.EXE	d83c5b1e171435eadf95b9f2ab2b2b5e260976c1303ed5b39f60aec532f930bbN.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmprph.exe	d83c5b1e171435eadf95b9f2ab2b2b5e260976c1303ed5b39f60aec532f930bbN.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{CA675~1\VCREDI~1.EXE	d83c5b1e171435eadf95b9f2ab2b2b5e260976c1303ed5b39f60aec532f930bbN.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{EF6B0~1\VCREDI~1.EXE	d83c5b1e171435eadf95b9f2ab2b2b5e260976c1303ed5b39f60aec532f930bbN.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\AcroRd32.exe	d83c5b1e171435eadf95b9f2ab2b2b5e260976c1303ed5b39f60aec532f930bbN.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\SETUPF~1\{AC76B~1\Setup.exe	d83c5b1e171435eadf95b9f2ab2b2b5e260976c1303ed5b39f60aec532f930bbN.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSOSYNC.EXE	d83c5b1e171435eadf95b9f2ab2b2b5e260976c1303ed5b39f60aec532f930bbN.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\ONENOTE.EXE	d83c5b1e171435eadf95b9f2ab2b2b5e260976c1303ed5b39f60aec532f930bbN.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Resource\Icons\SC_REA~1.EXE	d83c5b1e171435eadf95b9f2ab2b2b5e260976c1303ed5b39f60aec532f930bbN.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\MSInfo\msinfo32.exe	d83c5b1e171435eadf95b9f2ab2b2b5e260976c1303ed5b39f60aec532f930bbN.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\IECONT~1.EXE	d83c5b1e171435eadf95b9f2ab2b2b5e260976c1303ed5b39f60aec532f930bbN.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\OIS.EXE	d83c5b1e171435eadf95b9f2ab2b2b5e260976c1303ed5b39f60aec532f930bbN.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\ONENOTEM.EXE	d83c5b1e171435eadf95b9f2ab2b2b5e260976c1303ed5b39f60aec532f930bbN.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\WINWORD.EXE	d83c5b1e171435eadf95b9f2ab2b2b5e260976c1303ed5b39f60aec532f930bbN.exe
File opened for modification	C:\PROGRA~2\MOZILL~1\UNINST~1.EXE	d83c5b1e171435eadf95b9f2ab2b2b5e260976c1303ed5b39f60aec532f930bbN.exe
File opened for modification	C:\PROGRA~2\WINDOW~1\wab.exe	d83c5b1e171435eadf95b9f2ab2b2b5e260976c1303ed5b39f60aec532f930bbN.exe
File opened for modification	C:\PROGRA~2\COMMON~1\Adobe\Updater6\ADOBE_~1.EXE	d83c5b1e171435eadf95b9f2ab2b2b5e260976c1303ed5b39f60aec532f930bbN.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOOGLE~1.EXE	d83c5b1e171435eadf95b9f2ab2b2b5e260976c1303ed5b39f60aec532f930bbN.exe
File opened for modification	C:\PROGRA~2\INTERN~1\iexplore.exe	d83c5b1e171435eadf95b9f2ab2b2b5e260976c1303ed5b39f60aec532f930bbN.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\CNFNOT32.EXE	d83c5b1e171435eadf95b9f2ab2b2b5e260976c1303ed5b39f60aec532f930bbN.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\GROOVEMN.EXE	d83c5b1e171435eadf95b9f2ab2b2b5e260976c1303ed5b39f60aec532f930bbN.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\INFOPATH.EXE	d83c5b1e171435eadf95b9f2ab2b2b5e260976c1303ed5b39f60aec532f930bbN.exe
File opened for modification	C:\PROGRA~2\MOZILL~1\MAINTE~1.EXE	d83c5b1e171435eadf95b9f2ab2b2b5e260976c1303ed5b39f60aec532f930bbN.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\ACROBR~1.EXE	d83c5b1e171435eadf95b9f2ab2b2b5e260976c1303ed5b39f60aec532f930bbN.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\OFFICE~1\ODeploy.exe	d83c5b1e171435eadf95b9f2ab2b2b5e260976c1303ed5b39f60aec532f930bbN.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\VPREVIEW.EXE	d83c5b1e171435eadf95b9f2ab2b2b5e260976c1303ed5b39f60aec532f930bbN.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\XLICONS.EXE	d83c5b1e171435eadf95b9f2ab2b2b5e260976c1303ed5b39f60aec532f930bbN.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmpconfig.exe	d83c5b1e171435eadf95b9f2ab2b2b5e260976c1303ed5b39f60aec532f930bbN.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmpshare.exe	d83c5b1e171435eadf95b9f2ab2b2b5e260976c1303ed5b39f60aec532f930bbN.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{57A73~1\VC_RED~1.EXE	d83c5b1e171435eadf95b9f2ab2b2b5e260976c1303ed5b39f60aec532f930bbN.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{61087~1\VCREDI~1.EXE	d83c5b1e171435eadf95b9f2ab2b2b5e260976c1303ed5b39f60aec532f930bbN.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\ADOBEC~1.EXE	d83c5b1e171435eadf95b9f2ab2b2b5e260976c1303ed5b39f60aec532f930bbN.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\CLVIEW.EXE	d83c5b1e171435eadf95b9f2ab2b2b5e260976c1303ed5b39f60aec532f930bbN.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{4D8DC~1\VC_RED~1.EXE	d83c5b1e171435eadf95b9f2ab2b2b5e260976c1303ed5b39f60aec532f930bbN.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOF5E2~1.EXE	d83c5b1e171435eadf95b9f2ab2b2b5e260976c1303ed5b39f60aec532f930bbN.exe
File opened for modification	C:\PROGRA~2\WINDOW~4\ImagingDevices.exe	d83c5b1e171435eadf95b9f2ab2b2b5e260976c1303ed5b39f60aec532f930bbN.exe
File opened for modification	C:\PROGRA~2\WINDOW~1\WinMail.exe	d83c5b1e171435eadf95b9f2ab2b2b5e260976c1303ed5b39f60aec532f930bbN.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmlaunch.exe	d83c5b1e171435eadf95b9f2ab2b2b5e260976c1303ed5b39f60aec532f930bbN.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\Oarpmany.exe	d83c5b1e171435eadf95b9f2ab2b2b5e260976c1303ed5b39f60aec532f930bbN.exe
File opened for modification	C:\PROGRA~2\Google\Update\DISABL~1.EXE	d83c5b1e171435eadf95b9f2ab2b2b5e260976c1303ed5b39f60aec532f930bbN.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\VSTO\10.0\VSTOIN~1.EXE	d83c5b1e171435eadf95b9f2ab2b2b5e260976c1303ed5b39f60aec532f930bbN.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSOHTMED.EXE	d83c5b1e171435eadf95b9f2ab2b2b5e260976c1303ed5b39f60aec532f930bbN.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSQRY32.EXE	d83c5b1e171435eadf95b9f2ab2b2b5e260976c1303ed5b39f60aec532f930bbN.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSTORE.EXE	d83c5b1e171435eadf95b9f2ab2b2b5e260976c1303ed5b39f60aec532f930bbN.exe
File opened for modification	C:\PROGRA~2\WINDOW~1\wabmig.exe	d83c5b1e171435eadf95b9f2ab2b2b5e260976c1303ed5b39f60aec532f930bbN.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\EQUATION\EQNEDT32.EXE	d83c5b1e171435eadf95b9f2ab2b2b5e260976c1303ed5b39f60aec532f930bbN.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\FLTLDR.EXE	d83c5b1e171435eadf95b9f2ab2b2b5e260976c1303ed5b39f60aec532f930bbN.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\DW\DW20.EXE	d83c5b1e171435eadf95b9f2ab2b2b5e260976c1303ed5b39f60aec532f930bbN.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\LICLUA.EXE	d83c5b1e171435eadf95b9f2ab2b2b5e260976c1303ed5b39f60aec532f930bbN.exe
File opened for modification	C:\PROGRA~2\WI4223~1\sidebar.exe	d83c5b1e171435eadf95b9f2ab2b2b5e260976c1303ed5b39f60aec532f930bbN.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOOGLE~2.EXE	d83c5b1e171435eadf95b9f2ab2b2b5e260976c1303ed5b39f60aec532f930bbN.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\svchost.com	d83c5b1e171435eadf95b9f2ab2b2b5e260976c1303ed5b39f60aec532f930bbN.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	d83c5b1e171435eadf95b9f2ab2b2b5e260976c1303ed5b39f60aec532f930bbN.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\" %*"	d83c5b1e171435eadf95b9f2ab2b2b5e260976c1303ed5b39f60aec532f930bbN.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2424 wrote to memory of 1456	2424	d83c5b1e171435eadf95b9f2ab2b2b5e260976c1303ed5b39f60aec532f930bbN.exe	30
PID 2424 wrote to memory of 1456	2424	d83c5b1e171435eadf95b9f2ab2b2b5e260976c1303ed5b39f60aec532f930bbN.exe	30
PID 2424 wrote to memory of 1456	2424	d83c5b1e171435eadf95b9f2ab2b2b5e260976c1303ed5b39f60aec532f930bbN.exe	30
PID 2424 wrote to memory of 1456	2424	d83c5b1e171435eadf95b9f2ab2b2b5e260976c1303ed5b39f60aec532f930bbN.exe	30

C:\Users\Admin\AppData\Local\Temp\d83c5b1e171435eadf95b9f2ab2b2b5e260976c1303ed5b39f60aec532f930bbN.exe
"C:\Users\Admin\AppData\Local\Temp\d83c5b1e171435eadf95b9f2ab2b2b5e260976c1303ed5b39f60aec532f930bbN.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:2424
- C:\Users\Admin\AppData\Local\Temp\3582-490\d83c5b1e171435eadf95b9f2ab2b2b5e260976c1303ed5b39f60aec532f930bbN.exe
  "C:\Users\Admin\AppData\Local\Temp\3582-490\d83c5b1e171435eadf95b9f2ab2b2b5e260976c1303ed5b39f60aec532f930bbN.exe"
  2⤵
  - Executes dropped EXE
  PID:1456

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\d83c5b1e171435eadf95b9f2ab2b2b5e260976c1303ed5b39f60aec532f930bbN.exe

Filesize
1.9MB

MD5
13c794f46e154c8011d138f5f9c6bf74

SHA1
0c2f138d5e5f4d0d26488c13eb727b0a5d801211

SHA256
a4f903c8e2d025656ac979ce0cb21376d79eb59643054b0676924ca9887c7068

SHA512
981155f490147bae13dc7d1d043f27c665965a5c907b0f82c1e58e4084ba00034e518c14382e60bfcc18c0e1d21b4fb8b8c8a8445c9d512835adbefb80ce893e

Download Submit
memory/1456-14-0x000007FEF5280000-0x000007FEF5C6C000-memory.dmp

Filesize
9.9MB

Download
memory/1456-13-0x000007FEF5280000-0x000007FEF5C6C000-memory.dmp

Filesize
9.9MB

Download
memory/1456-15-0x000007FEF5280000-0x000007FEF5C6C000-memory.dmp

Filesize
9.9MB

Download
memory/1456-11-0x0000000002790000-0x00000000027CA000-memory.dmp

Filesize
232KB

Download
memory/1456-10-0x000007FEF5283000-0x000007FEF5284000-memory.dmp

Filesize
4KB

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memory/1456-89-0x000007FEF5283000-0x000007FEF5284000-memory.dmp

Filesize
4KB

Download
memory/1456-90-0x000007FEF5280000-0x000007FEF5C6C000-memory.dmp

Filesize
9.9MB

Download
memory/1456-94-0x000007FEF5280000-0x000007FEF5C6C000-memory.dmp

Filesize
9.9MB

Download
memory/2424-91-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/2424-93-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads