neshta | dc016f4b2737064cf1ffe09621246f991dd99e43b49f47ef8f8a424af4f336e0

Analysis

max time kernel
122s
max time network
125s
platform
windows7_x64
resource
win7-20231020-en
resource tags

arch:x64arch:x86image:win7-20231020-enlocale:en-usos:windows7-x64system
submitted
02/11/2023, 07:51

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General

Target

NEAS.01d8281d1a6a2e6abca5a72111aa6d10.exe
Size

474KB
MD5

01d8281d1a6a2e6abca5a72111aa6d10
SHA1

e551b2d052830707d0358cacaddffd3a209f9cfd
SHA256

dc016f4b2737064cf1ffe09621246f991dd99e43b49f47ef8f8a424af4f336e0
SHA512

6be64df83c0fc4ed930f543d685604123d3009f4c2cd7ea20d0ed9a411af2e8e6767f2309466debd190e5fd47235264ac42d7f6bfb9bfbd3892dc6755e918e33
SSDEEP

12288:LWx4fXNjJId6LYJOvNklmhAIQLFPMdV4FgwO:JfXNjJId6LYIvLAPJkdV4KX

Score

10^/10

neshta persistence spyware stealer

Malware Config

Signatures

Detect Neshta payload 5 IoCs

resource	yara_rule
behavioral1/files/0x0001000000010324-9.dat	family_neshta
behavioral1/memory/2800-82-0x0000000000400000-0x000000000041B000-memory.dmp	family_neshta
behavioral1/memory/2800-83-0x0000000000400000-0x000000000041B000-memory.dmp	family_neshta
behavioral1/memory/2800-84-0x0000000000400000-0x000000000041B000-memory.dmp	family_neshta
behavioral1/memory/2800-86-0x0000000000400000-0x000000000041B000-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
2144	NEAS.01d8281d1a6a2e6abca5a72111aa6d10.exe

Loads dropped DLL 2 IoCs

pid	Process
2800	NEAS.01d8281d1a6a2e6abca5a72111aa6d10.exe
2800	NEAS.01d8281d1a6a2e6abca5a72111aa6d10.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.01d8281d1a6a2e6abca5a72111aa6d10.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\COMMON~1\MICROS~1\OFFICE14\FLTLDR.EXE	NEAS.01d8281d1a6a2e6abca5a72111aa6d10.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\misc.exe	NEAS.01d8281d1a6a2e6abca5a72111aa6d10.exe
File opened for modification	C:\PROGRA~2\WINDOW~1\wabmig.exe	NEAS.01d8281d1a6a2e6abca5a72111aa6d10.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{57A73~1\VC_RED~1.EXE	NEAS.01d8281d1a6a2e6abca5a72111aa6d10.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSTORE.EXE	NEAS.01d8281d1a6a2e6abca5a72111aa6d10.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\WINWORD.EXE	NEAS.01d8281d1a6a2e6abca5a72111aa6d10.exe
File opened for modification	C:\PROGRA~2\WINDOW~1\wab.exe	NEAS.01d8281d1a6a2e6abca5a72111aa6d10.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\WMPDMC.exe	NEAS.01d8281d1a6a2e6abca5a72111aa6d10.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\SOURCE~1\OSE.EXE	NEAS.01d8281d1a6a2e6abca5a72111aa6d10.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\BCSSync.exe	NEAS.01d8281d1a6a2e6abca5a72111aa6d10.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\INFOPATH.EXE	NEAS.01d8281d1a6a2e6abca5a72111aa6d10.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{61087~1\VCREDI~1.EXE	NEAS.01d8281d1a6a2e6abca5a72111aa6d10.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\MSOXMLED.EXE	NEAS.01d8281d1a6a2e6abca5a72111aa6d10.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\ACCICONS.EXE	NEAS.01d8281d1a6a2e6abca5a72111aa6d10.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\IECONT~1.EXE	NEAS.01d8281d1a6a2e6abca5a72111aa6d10.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\ONENOTE.EXE	NEAS.01d8281d1a6a2e6abca5a72111aa6d10.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\MSInfo\msinfo32.exe	NEAS.01d8281d1a6a2e6abca5a72111aa6d10.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\Oarpmany.exe	NEAS.01d8281d1a6a2e6abca5a72111aa6d10.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\OFFICE~1\Setup.exe	NEAS.01d8281d1a6a2e6abca5a72111aa6d10.exe
File opened for modification	C:\PROGRA~2\INTERN~1\iexplore.exe	NEAS.01d8281d1a6a2e6abca5a72111aa6d10.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\LOGTRA~1.EXE	NEAS.01d8281d1a6a2e6abca5a72111aa6d10.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\SETUPF~1\{AC76B~1\Setup.exe	NEAS.01d8281d1a6a2e6abca5a72111aa6d10.exe
File opened for modification	C:\PROGRA~2\COMMON~1\Adobe\Updater6\ADOBEU~1.EXE	NEAS.01d8281d1a6a2e6abca5a72111aa6d10.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\DW\DW20.EXE	NEAS.01d8281d1a6a2e6abca5a72111aa6d10.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\VPREVIEW.EXE	NEAS.01d8281d1a6a2e6abca5a72111aa6d10.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmpshare.exe	NEAS.01d8281d1a6a2e6abca5a72111aa6d10.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOOGLE~1.EXE	NEAS.01d8281d1a6a2e6abca5a72111aa6d10.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSOUC.EXE	NEAS.01d8281d1a6a2e6abca5a72111aa6d10.exe
File opened for modification	C:\PROGRA~2\WI4223~1\sidebar.exe	NEAS.01d8281d1a6a2e6abca5a72111aa6d10.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmlaunch.exe	NEAS.01d8281d1a6a2e6abca5a72111aa6d10.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\OFFICE~1\ODeploy.exe	NEAS.01d8281d1a6a2e6abca5a72111aa6d10.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\1033\ONELEV.EXE	NEAS.01d8281d1a6a2e6abca5a72111aa6d10.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\GRAPH.EXE	NEAS.01d8281d1a6a2e6abca5a72111aa6d10.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\setup_wm.exe	NEAS.01d8281d1a6a2e6abca5a72111aa6d10.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\PPTICO.EXE	NEAS.01d8281d1a6a2e6abca5a72111aa6d10.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\EQUATION\EQNEDT32.EXE	NEAS.01d8281d1a6a2e6abca5a72111aa6d10.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSOSYNC.EXE	NEAS.01d8281d1a6a2e6abca5a72111aa6d10.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\NAMECO~1.EXE	NEAS.01d8281d1a6a2e6abca5a72111aa6d10.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\SELFCERT.EXE	NEAS.01d8281d1a6a2e6abca5a72111aa6d10.exe
File opened for modification	C:\PROGRA~2\MOZILL~1\UNINST~1.EXE	NEAS.01d8281d1a6a2e6abca5a72111aa6d10.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{CA675~1\VCREDI~1.EXE	NEAS.01d8281d1a6a2e6abca5a72111aa6d10.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOOGLE~3.EXE	NEAS.01d8281d1a6a2e6abca5a72111aa6d10.exe
File opened for modification	C:\PROGRA~2\Google\Update\DISABL~1.EXE	NEAS.01d8281d1a6a2e6abca5a72111aa6d10.exe
File opened for modification	C:\PROGRA~2\INTERN~1\ielowutil.exe	NEAS.01d8281d1a6a2e6abca5a72111aa6d10.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\GROOVEMN.EXE	NEAS.01d8281d1a6a2e6abca5a72111aa6d10.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOOGLE~2.EXE	NEAS.01d8281d1a6a2e6abca5a72111aa6d10.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\CNFNOT32.EXE	NEAS.01d8281d1a6a2e6abca5a72111aa6d10.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSTORDB.EXE	NEAS.01d8281d1a6a2e6abca5a72111aa6d10.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\POWERPNT.EXE	NEAS.01d8281d1a6a2e6abca5a72111aa6d10.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\DW\DWTRIG20.EXE	NEAS.01d8281d1a6a2e6abca5a72111aa6d10.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\LICLUA.EXE	NEAS.01d8281d1a6a2e6abca5a72111aa6d10.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOOGLE~4.EXE	NEAS.01d8281d1a6a2e6abca5a72111aa6d10.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOBD5D~1.EXE	NEAS.01d8281d1a6a2e6abca5a72111aa6d10.exe
File opened for modification	C:\PROGRA~2\WINDOW~2\ACCESS~1\wordpad.exe	NEAS.01d8281d1a6a2e6abca5a72111aa6d10.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{EF6B0~1\VCREDI~1.EXE	NEAS.01d8281d1a6a2e6abca5a72111aa6d10.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\WORDICON.EXE	NEAS.01d8281d1a6a2e6abca5a72111aa6d10.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{33D1F~1\VCREDI~1.EXE	NEAS.01d8281d1a6a2e6abca5a72111aa6d10.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Resource\Icons\SC_REA~1.EXE	NEAS.01d8281d1a6a2e6abca5a72111aa6d10.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\ink\mip.exe	NEAS.01d8281d1a6a2e6abca5a72111aa6d10.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\MSOICONS.EXE	NEAS.01d8281d1a6a2e6abca5a72111aa6d10.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GO664E~1.EXE	NEAS.01d8281d1a6a2e6abca5a72111aa6d10.exe
File opened for modification	C:\PROGRA~2\INTERN~1\ieinstal.exe	NEAS.01d8281d1a6a2e6abca5a72111aa6d10.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\CLVIEW.EXE	NEAS.01d8281d1a6a2e6abca5a72111aa6d10.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSOHTMED.EXE	NEAS.01d8281d1a6a2e6abca5a72111aa6d10.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\svchost.com	NEAS.01d8281d1a6a2e6abca5a72111aa6d10.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.01d8281d1a6a2e6abca5a72111aa6d10.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2800 wrote to memory of 2144	2800	NEAS.01d8281d1a6a2e6abca5a72111aa6d10.exe	28
PID 2800 wrote to memory of 2144	2800	NEAS.01d8281d1a6a2e6abca5a72111aa6d10.exe	28
PID 2800 wrote to memory of 2144	2800	NEAS.01d8281d1a6a2e6abca5a72111aa6d10.exe	28
PID 2800 wrote to memory of 2144	2800	NEAS.01d8281d1a6a2e6abca5a72111aa6d10.exe	28

C:\Users\Admin\AppData\Local\Temp\NEAS.01d8281d1a6a2e6abca5a72111aa6d10.exe
"C:\Users\Admin\AppData\Local\Temp\NEAS.01d8281d1a6a2e6abca5a72111aa6d10.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:2800
- C:\Users\Admin\AppData\Local\Temp\3582-490\NEAS.01d8281d1a6a2e6abca5a72111aa6d10.exe
  "C:\Users\Admin\AppData\Local\Temp\3582-490\NEAS.01d8281d1a6a2e6abca5a72111aa6d10.exe"
  2⤵
  - Executes dropped EXE
  PID:2144

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.01d8281d1a6a2e6abca5a72111aa6d10.exe

Filesize
434KB

MD5
e22c36e8982db1a06440f782ee6c6cbc

SHA1
1ea28606a89e209c2c2dba00b171bf29fe02c235

SHA256
a87bf6657ea5af4586a0a081327efadab30fcdd800d7e3e166f00be1b020eb55

SHA512
90ccf8f8a312f29bd17519c1f0ebe97c5c4e0bdbc2ab86ba639c43b1b4d8c646c54b64642c9dd9fbb26862072a434779e8c3f22c097516333492e9a249af16fb

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.01d8281d1a6a2e6abca5a72111aa6d10.exe

Filesize
434KB

MD5
e22c36e8982db1a06440f782ee6c6cbc

SHA1
1ea28606a89e209c2c2dba00b171bf29fe02c235

SHA256
a87bf6657ea5af4586a0a081327efadab30fcdd800d7e3e166f00be1b020eb55

SHA512
90ccf8f8a312f29bd17519c1f0ebe97c5c4e0bdbc2ab86ba639c43b1b4d8c646c54b64642c9dd9fbb26862072a434779e8c3f22c097516333492e9a249af16fb

Download Submit
memory/2800-82-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/2800-83-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/2800-84-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/2800-86-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads