neshta | 5f08b9730bfb51add1501c727c2a9b84adbcd393b18b9e596f64561b1845a543

General

Target

046531e01467ea983754774889bc2be0.exe
Size

2.0MB
MD5

046531e01467ea983754774889bc2be0
SHA1

dff68bc141413a50433622174d31e7092e16b9e9
SHA256

5f08b9730bfb51add1501c727c2a9b84adbcd393b18b9e596f64561b1845a543
SHA512

98ea639e2706c99c55e7eeb3169a9807dc35ae8ae660c8c90068acd54bddbdfa4203b003ec19357a065805cdeb8ce61a735bf3e733b26b0114b75a9fec555e6d
SSDEEP

24576:FWlJlbMedrnirXz2KDpXvG0B8hoHjXts1Pz5KgKcCQzA2IQ9QQbzZBgyJ42bEKb2:+lbMedDUahcQr5E9yQQnZXJF5qt

Score

10^/10

neshta persistence spyware stealer

Malware Config

Signatures

Detect Neshta payload 2 IoCs

Processes:

resource	yara_rule
C:\MSOCache\ALLUSE~1\{90140~1\dwtrig20.exe	family_neshta
behavioral1/memory/1296-84-0x0000000000400000-0x000000000041B000-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

Processes:

046531e01467ea983754774889bc2be0.exe

pid process

2016 046531e01467ea983754774889bc2be0.exe
Loads dropped DLL 2 IoCs

Processes:

046531e01467ea983754774889bc2be0.exe

pid process

1296 046531e01467ea983754774889bc2be0.exe
1296 046531e01467ea983754774889bc2be0.exe

pid	process
2016	046531e01467ea983754774889bc2be0.exe

pid	process
1296	046531e01467ea983754774889bc2be0.exe
1296	046531e01467ea983754774889bc2be0.exe

Modifies system executable filetype association 2 TTPs 1 IoCs

persistence

Modify Registry

T1112

Change Default File Association

T1546.001

Processes:

046531e01467ea983754774889bc2be0.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Windows\\svchost.com \"%1\" %*"	046531e01467ea983754774889bc2be0.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

Processes:

046531e01467ea983754774889bc2be0.exe

description	ioc	process
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\BCSSync.exe	046531e01467ea983754774889bc2be0.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSOUC.EXE	046531e01467ea983754774889bc2be0.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\VPREVIEW.EXE	046531e01467ea983754774889bc2be0.exe
File opened for modification	C:\PROGRA~2\MOZILL~1\UNINST~1.EXE	046531e01467ea983754774889bc2be0.exe
File opened for modification	C:\PROGRA~2\WINDOW~4\ImagingDevices.exe	046531e01467ea983754774889bc2be0.exe
File opened for modification	C:\PROGRA~2\COMMON~1\ADOBEA~1\Versions\1.0\ADOBEA~1.EXE	046531e01467ea983754774889bc2be0.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\FLTLDR.EXE	046531e01467ea983754774889bc2be0.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\VSTO\10.0\VSTOIN~1.EXE	046531e01467ea983754774889bc2be0.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{33D1F~1\VCREDI~1.EXE	046531e01467ea983754774889bc2be0.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\ONENOTEM.EXE	046531e01467ea983754774889bc2be0.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\DW\DW20.EXE	046531e01467ea983754774889bc2be0.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOOGLE~1.EXE	046531e01467ea983754774889bc2be0.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOF5E2~1.EXE	046531e01467ea983754774889bc2be0.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\DW\DWTRIG20.EXE	046531e01467ea983754774889bc2be0.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\WORDICON.EXE	046531e01467ea983754774889bc2be0.exe
File opened for modification	C:\PROGRA~2\WINDOW~2\ACCESS~1\wordpad.exe	046531e01467ea983754774889bc2be0.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\PPTICO.EXE	046531e01467ea983754774889bc2be0.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\WINWORD.EXE	046531e01467ea983754774889bc2be0.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmlaunch.exe	046531e01467ea983754774889bc2be0.exe
File opened for modification	C:\PROGRA~2\INTERN~1\ieinstal.exe	046531e01467ea983754774889bc2be0.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\INFOPATH.EXE	046531e01467ea983754774889bc2be0.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\NAMECO~1.EXE	046531e01467ea983754774889bc2be0.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmpconfig.exe	046531e01467ea983754774889bc2be0.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\LOGTRA~1.EXE	046531e01467ea983754774889bc2be0.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\LICLUA.EXE	046531e01467ea983754774889bc2be0.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\MSOXMLED.EXE	046531e01467ea983754774889bc2be0.exe
File opened for modification	C:\PROGRA~2\COMMON~1\Adobe\Updater6\ADOBE_~1.EXE	046531e01467ea983754774889bc2be0.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmprph.exe	046531e01467ea983754774889bc2be0.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\AcroRd32.exe	046531e01467ea983754774889bc2be0.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Resource\Icons\SC_REA~1.EXE	046531e01467ea983754774889bc2be0.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\SETUPF~1\{AC76B~1\Setup.exe	046531e01467ea983754774889bc2be0.exe
File opened for modification	C:\PROGRA~2\WINDOW~1\wab.exe	046531e01467ea983754774889bc2be0.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{4D8DC~1\VC_RED~1.EXE	046531e01467ea983754774889bc2be0.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\OFFICE~1\ODeploy.exe	046531e01467ea983754774889bc2be0.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOOGLE~4.EXE	046531e01467ea983754774889bc2be0.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\XLICONS.EXE	046531e01467ea983754774889bc2be0.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOOGLE~2.EXE	046531e01467ea983754774889bc2be0.exe
File opened for modification	C:\PROGRA~2\INTERN~1\iexplore.exe	046531e01467ea983754774889bc2be0.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\IECONT~1.EXE	046531e01467ea983754774889bc2be0.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSOSYNC.EXE	046531e01467ea983754774889bc2be0.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSTORE.EXE	046531e01467ea983754774889bc2be0.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\ACROBR~1.EXE	046531e01467ea983754774889bc2be0.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\Oarpmany.exe	046531e01467ea983754774889bc2be0.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GO664E~1.EXE	046531e01467ea983754774889bc2be0.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\WMPDMC.exe	046531e01467ea983754774889bc2be0.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\ONENOTE.EXE	046531e01467ea983754774889bc2be0.exe
File opened for modification	C:\PROGRA~2\WI4223~1\sidebar.exe	046531e01467ea983754774889bc2be0.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\OFFICE~1\Setup.exe	046531e01467ea983754774889bc2be0.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\SOURCE~1\OSE.EXE	046531e01467ea983754774889bc2be0.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSTORDB.EXE	046531e01467ea983754774889bc2be0.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\misc.exe	046531e01467ea983754774889bc2be0.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOBD5D~1.EXE	046531e01467ea983754774889bc2be0.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\1033\ONELEV.EXE	046531e01467ea983754774889bc2be0.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\CLVIEW.EXE	046531e01467ea983754774889bc2be0.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\CNFNOT32.EXE	046531e01467ea983754774889bc2be0.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\GROOVEMN.EXE	046531e01467ea983754774889bc2be0.exe
File opened for modification	C:\PROGRA~2\COMMON~1\Adobe\Updater6\ADOBEU~1.EXE	046531e01467ea983754774889bc2be0.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\ink\mip.exe	046531e01467ea983754774889bc2be0.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.151\GOOGLE~3.EXE	046531e01467ea983754774889bc2be0.exe
File opened for modification	C:\PROGRA~2\WINDOW~1\wabmig.exe	046531e01467ea983754774889bc2be0.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\ACCICONS.EXE	046531e01467ea983754774889bc2be0.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\OIS.EXE	046531e01467ea983754774889bc2be0.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\SELFCERT.EXE	046531e01467ea983754774889bc2be0.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmplayer.exe	046531e01467ea983754774889bc2be0.exe

Drops file in Windows directory 1 IoCs

Processes:

046531e01467ea983754774889bc2be0.exe

description ioc process

File opened for modification C:\Windows\svchost.com 046531e01467ea983754774889bc2be0.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

description	ioc	process
File opened for modification	C:\Windows\svchost.com	046531e01467ea983754774889bc2be0.exe

Modifies registry class 1 IoCs

Processes:

046531e01467ea983754774889bc2be0.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Windows\\svchost.com \"%1\" %*"	046531e01467ea983754774889bc2be0.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

046531e01467ea983754774889bc2be0.exe

description	pid	process	target process
PID 1296 wrote to memory of 2016	1296	046531e01467ea983754774889bc2be0.exe	046531e01467ea983754774889bc2be0.exe
PID 1296 wrote to memory of 2016	1296	046531e01467ea983754774889bc2be0.exe	046531e01467ea983754774889bc2be0.exe
PID 1296 wrote to memory of 2016	1296	046531e01467ea983754774889bc2be0.exe	046531e01467ea983754774889bc2be0.exe
PID 1296 wrote to memory of 2016	1296	046531e01467ea983754774889bc2be0.exe	046531e01467ea983754774889bc2be0.exe

C:\Users\Admin\AppData\Local\Temp\046531e01467ea983754774889bc2be0.exe
"C:\Users\Admin\AppData\Local\Temp\046531e01467ea983754774889bc2be0.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:1296

C:\Users\Admin\AppData\Local\Temp\3582-490\046531e01467ea983754774889bc2be0.exe
"C:\Users\Admin\AppData\Local\Temp\3582-490\046531e01467ea983754774889bc2be0.exe"
2⤵
- Executes dropped EXE
PID:2016

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Event Triggered Execution

1

T1546

Change Default File Association

1

T1546.001

Privilege Escalation

Event Triggered Execution

1

T1546

Change Default File Association

1

T1546.001

Defense Evasion

Modify Registry

1

T1112

Credential Access

Unsecured Credentials

1

T1552

Credentials In Files

1

T1552.001

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Data from Local System

1

T1005

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

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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
\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\046531e01467ea983754774889bc2be0.exe
Filesize
2.0MB

MD5
3efe7e0bee1f9b1f286da035937ecd6b

SHA1
859f8db0aba987d9b7f47864d1dbcaedbd89c914

SHA256
debb4c734b3affab0cded2fd4166924abe13efd6209960d0db4812586f84a0ab

SHA512
af0a1e6bbba0730cfce683c281672eebad96ff60f3a37ef91de2af60710ffa10c59a2c0c76bbb68c9e5f50e1bac1b5749cdbec0c5aae9306a19cb86b1271259a

Download Submit
memory/1296-84-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

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Downloads