neshta | 866673ae1d2f0f51d9a4ca2a2a08665f46dadb12d7f3b3ddb2940230565c4f3f

Analysis

max time kernel
122s
max time network
126s
platform
windows7_x64
resource
win7-20231020-en
resource tags

arch:x64arch:x86image:win7-20231020-enlocale:en-usos:windows7-x64system
submitted
31/10/2023, 08:54

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General

Target

NEAS.6377d562a301eebb69e920432de11670.exe
Size

149KB
MD5

6377d562a301eebb69e920432de11670
SHA1

5214dba989b2ef611a1e914697382d0bbb7dc23c
SHA256

866673ae1d2f0f51d9a4ca2a2a08665f46dadb12d7f3b3ddb2940230565c4f3f
SHA512

4c7a9ffe77a8d5abde63b07afecdfa0b135317086a3c906a5a0c8885dc6fc3c795fab775b16e3c8c53ff0b3ef88132bf9bf36da930e59cc0e69c8d232415e086
SSDEEP

1536:JxqjQ+P04wsmJCKlVQPxPR/G2MI5nh8N6FK7YPR/G2MI5nh8N6FK7+:sr85CAIxp/PMIxsYp/PMIxs+

Score

10^/10

neshta persistence spyware stealer

Malware Config

Signatures

Detect Neshta payload 5 IoCs

resource	yara_rule
behavioral1/files/0x0001000000010326-13.dat	family_neshta
behavioral1/memory/2516-86-0x0000000000400000-0x000000000041B000-memory.dmp	family_neshta
behavioral1/memory/2516-87-0x0000000000400000-0x000000000041B000-memory.dmp	family_neshta
behavioral1/memory/2516-88-0x0000000000400000-0x000000000041B000-memory.dmp	family_neshta
behavioral1/memory/2516-90-0x0000000000400000-0x000000000041B000-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

Executes dropped EXE 1 IoCs

pid	Process
2888	NEAS.6377d562a301eebb69e920432de11670.exe

Loads dropped DLL 3 IoCs

pid	Process
2516	NEAS.6377d562a301eebb69e920432de11670.exe
2516	NEAS.6377d562a301eebb69e920432de11670.exe
2516	NEAS.6377d562a301eebb69e920432de11670.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\" %*"	NEAS.6377d562a301eebb69e920432de11670.exe

Reads user/profile data of web browsers 2 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

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\SETUPF~1\{AC76B~1\Setup.exe	NEAS.6377d562a301eebb69e920432de11670.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\MSInfo\msinfo32.exe	NEAS.6377d562a301eebb69e920432de11670.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\misc.exe	NEAS.6377d562a301eebb69e920432de11670.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\POWERPNT.EXE	NEAS.6377d562a301eebb69e920432de11670.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\WINWORD.EXE	NEAS.6377d562a301eebb69e920432de11670.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{EF6B0~1\VCREDI~1.EXE	NEAS.6377d562a301eebb69e920432de11670.exe
File opened for modification	C:\PROGRA~2\MOZILL~1\MAINTE~1.EXE	NEAS.6377d562a301eebb69e920432de11670.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\DW\DW20.EXE	NEAS.6377d562a301eebb69e920432de11670.exe
File opened for modification	C:\PROGRA~2\Google\Update\DISABL~1.EXE	NEAS.6377d562a301eebb69e920432de11670.exe
File opened for modification	C:\PROGRA~2\INTERN~1\ielowutil.exe	NEAS.6377d562a301eebb69e920432de11670.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\ACCICONS.EXE	NEAS.6377d562a301eebb69e920432de11670.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\BCSSync.exe	NEAS.6377d562a301eebb69e920432de11670.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\GROOVEMN.EXE	NEAS.6377d562a301eebb69e920432de11670.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\1033\ONELEV.EXE	NEAS.6377d562a301eebb69e920432de11670.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\setup_wm.exe	NEAS.6377d562a301eebb69e920432de11670.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\ACROBR~1.EXE	NEAS.6377d562a301eebb69e920432de11670.exe
File opened for modification	C:\PROGRA~2\COMMON~1\ADOBEA~1\Versions\1.0\ADOBEA~1.EXE	NEAS.6377d562a301eebb69e920432de11670.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\DW\DWTRIG20.EXE	NEAS.6377d562a301eebb69e920432de11670.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\ink\mip.exe	NEAS.6377d562a301eebb69e920432de11670.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\MSOXMLED.EXE	NEAS.6377d562a301eebb69e920432de11670.exe
File opened for modification	C:\PROGRA~2\INTERN~1\iexplore.exe	NEAS.6377d562a301eebb69e920432de11670.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmpconfig.exe	NEAS.6377d562a301eebb69e920432de11670.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{33D1F~1\VCREDI~1.EXE	NEAS.6377d562a301eebb69e920432de11670.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{4D8DC~1\VC_RED~1.EXE	NEAS.6377d562a301eebb69e920432de11670.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\AcroRd32.exe	NEAS.6377d562a301eebb69e920432de11670.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\Eula.exe	NEAS.6377d562a301eebb69e920432de11670.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\LICLUA.EXE	NEAS.6377d562a301eebb69e920432de11670.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\VSTO\10.0\VSTOIN~1.EXE	NEAS.6377d562a301eebb69e920432de11670.exe
File opened for modification	C:\PROGRA~2\MOZILL~1\UNINST~1.EXE	NEAS.6377d562a301eebb69e920432de11670.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmplayer.exe	NEAS.6377d562a301eebb69e920432de11670.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\FLTLDR.EXE	NEAS.6377d562a301eebb69e920432de11670.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\ADOBEC~1.EXE	NEAS.6377d562a301eebb69e920432de11670.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\MSOICONS.EXE	NEAS.6377d562a301eebb69e920432de11670.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\ONENOTE.EXE	NEAS.6377d562a301eebb69e920432de11670.exe
File opened for modification	C:\PROGRA~2\WINDOW~1\wabmig.exe	NEAS.6377d562a301eebb69e920432de11670.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{57A73~1\VC_RED~1.EXE	NEAS.6377d562a301eebb69e920432de11670.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\LOGTRA~1.EXE	NEAS.6377d562a301eebb69e920432de11670.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\CLVIEW.EXE	NEAS.6377d562a301eebb69e920432de11670.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSTORE.EXE	NEAS.6377d562a301eebb69e920432de11670.exe
File opened for modification	C:\PROGRA~2\COMMON~1\Adobe\Updater6\ADOBE_~1.EXE	NEAS.6377d562a301eebb69e920432de11670.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\OFFICE~1\Setup.exe	NEAS.6377d562a301eebb69e920432de11670.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSQRY32.EXE	NEAS.6377d562a301eebb69e920432de11670.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\WORDICON.EXE	NEAS.6377d562a301eebb69e920432de11670.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmlaunch.exe	NEAS.6377d562a301eebb69e920432de11670.exe
File opened for modification	C:\PROGRA~2\WINDOW~1\WinMail.exe	NEAS.6377d562a301eebb69e920432de11670.exe
File opened for modification	C:\PROGRA~2\WINDOW~2\ACCESS~1\wordpad.exe	NEAS.6377d562a301eebb69e920432de11670.exe
File opened for modification	C:\PROGRA~2\COMMON~1\Adobe\Updater6\ADOBEU~1.EXE	NEAS.6377d562a301eebb69e920432de11670.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSOUC.EXE	NEAS.6377d562a301eebb69e920432de11670.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSTORDB.EXE	NEAS.6377d562a301eebb69e920432de11670.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\OIS.EXE	NEAS.6377d562a301eebb69e920432de11670.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\ONENOTEM.EXE	NEAS.6377d562a301eebb69e920432de11670.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\VPREVIEW.EXE	NEAS.6377d562a301eebb69e920432de11670.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\XLICONS.EXE	NEAS.6377d562a301eebb69e920432de11670.exe
File opened for modification	C:\PROGRA~2\WINDOW~4\ImagingDevices.exe	NEAS.6377d562a301eebb69e920432de11670.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{61087~1\VCREDI~1.EXE	NEAS.6377d562a301eebb69e920432de11670.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{CA675~1\VCREDI~1.EXE	NEAS.6377d562a301eebb69e920432de11670.exe
File opened for modification	C:\PROGRA~2\WI4223~1\sidebar.exe	NEAS.6377d562a301eebb69e920432de11670.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\A3DUTI~1.EXE	NEAS.6377d562a301eebb69e920432de11670.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\EQUATION\EQNEDT32.EXE	NEAS.6377d562a301eebb69e920432de11670.exe
File opened for modification	C:\PROGRA~2\INTERN~1\ieinstal.exe	NEAS.6377d562a301eebb69e920432de11670.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\CNFNOT32.EXE	NEAS.6377d562a301eebb69e920432de11670.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSOHTMED.EXE	NEAS.6377d562a301eebb69e920432de11670.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\SELFCERT.EXE	NEAS.6377d562a301eebb69e920432de11670.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmprph.exe	NEAS.6377d562a301eebb69e920432de11670.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\svchost.com	NEAS.6377d562a301eebb69e920432de11670.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Modifies registry class 1 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Windows\\svchost.com \"%1\" %*"	NEAS.6377d562a301eebb69e920432de11670.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2516 wrote to memory of 2888	2516	NEAS.6377d562a301eebb69e920432de11670.exe	28
PID 2516 wrote to memory of 2888	2516	NEAS.6377d562a301eebb69e920432de11670.exe	28
PID 2516 wrote to memory of 2888	2516	NEAS.6377d562a301eebb69e920432de11670.exe	28
PID 2516 wrote to memory of 2888	2516	NEAS.6377d562a301eebb69e920432de11670.exe	28

C:\Users\Admin\AppData\Local\Temp\NEAS.6377d562a301eebb69e920432de11670.exe
"C:\Users\Admin\AppData\Local\Temp\NEAS.6377d562a301eebb69e920432de11670.exe"
1⤵
- Loads dropped DLL
- Modifies system executable filetype association
- Drops file in Program Files directory
- Drops file in Windows directory
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:2516
- C:\Users\Admin\AppData\Local\Temp\3582-490\NEAS.6377d562a301eebb69e920432de11670.exe
  "C:\Users\Admin\AppData\Local\Temp\3582-490\NEAS.6377d562a301eebb69e920432de11670.exe"
  2⤵
  - Executes dropped EXE
  PID:2888

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

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

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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\NEAS.6377d562a301eebb69e920432de11670.exe

Filesize
108KB

MD5
9354cefc21b250dca510834b3f1f7927

SHA1
d64bde4af492cd7ebea606a8be16edb774bd2cd9

SHA256
95ef44b4d1b32f1062474640a6ffb92e852767f8ab5a9db5d6d245abdf01c42a

SHA512
f2edfcc779fc6abc8bfbb9a68031de6422400d3a4e9755229e0be3a53c92b657ca5c7bf2a9ceefb16380e78c395413cee99e92ed4e1376909554b8f71d05a48d

Download Submit
C:\Users\Admin\AppData\Local\Temp\3582-490\NEAS.6377d562a301eebb69e920432de11670.exe

Filesize
108KB

MD5
9354cefc21b250dca510834b3f1f7927

SHA1
d64bde4af492cd7ebea606a8be16edb774bd2cd9

SHA256
95ef44b4d1b32f1062474640a6ffb92e852767f8ab5a9db5d6d245abdf01c42a

SHA512
f2edfcc779fc6abc8bfbb9a68031de6422400d3a4e9755229e0be3a53c92b657ca5c7bf2a9ceefb16380e78c395413cee99e92ed4e1376909554b8f71d05a48d

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\NEAS.6377d562a301eebb69e920432de11670.exe

Filesize
108KB

MD5
9354cefc21b250dca510834b3f1f7927

SHA1
d64bde4af492cd7ebea606a8be16edb774bd2cd9

SHA256
95ef44b4d1b32f1062474640a6ffb92e852767f8ab5a9db5d6d245abdf01c42a

SHA512
f2edfcc779fc6abc8bfbb9a68031de6422400d3a4e9755229e0be3a53c92b657ca5c7bf2a9ceefb16380e78c395413cee99e92ed4e1376909554b8f71d05a48d

Download Submit
\Users\Admin\AppData\Local\Temp\3582-490\NEAS.6377d562a301eebb69e920432de11670.exe

Filesize
108KB

MD5
9354cefc21b250dca510834b3f1f7927

SHA1
d64bde4af492cd7ebea606a8be16edb774bd2cd9

SHA256
95ef44b4d1b32f1062474640a6ffb92e852767f8ab5a9db5d6d245abdf01c42a

SHA512
f2edfcc779fc6abc8bfbb9a68031de6422400d3a4e9755229e0be3a53c92b657ca5c7bf2a9ceefb16380e78c395413cee99e92ed4e1376909554b8f71d05a48d

Download Submit
memory/2516-86-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/2516-87-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/2516-88-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/2516-90-0x0000000000400000-0x000000000041B000-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