neshta | b2ffecd901e9b33e8c966986207904affe7648808b284e258fc3e7311f33837f

General

Target

b2ffecd901e9b33e8c966986207904affe7648808b284e258fc3e7311f33837f.exe
Size

1.9MB
MD5

793d7609bcb5b230e46f0cb24cc9b830
SHA1

cbe5a8b4c0ecaa6037ec5362b49355876095f7ae
SHA256

b2ffecd901e9b33e8c966986207904affe7648808b284e258fc3e7311f33837f
SHA512

6dd50a8c3c9142135a2b1226907db3ab91631d25b22eb11de0f7c4908de4a5eb90711c93a779f0706ad5dee6a2549e4bd63950ca3ef9ba470d5fe4e2915a3856
SSDEEP

49152:387423EwnbG4tYq+MLdlzfnKpIRr7DIDGj:YbnNfnUIP

Score

10^/10

neshta persistence spyware stealer

Malware Config

Signatures

Modifies system executable filetype association 2 TTPs 1 IoCs

persistence

Modify Registry

T1112

Change Default File Association

T1042

Processes:

b2ffecd901e9b33e8c966986207904affe7648808b284e258fc3e7311f33837f.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Windows\\svchost.com \"%1\" %*"	b2ffecd901e9b33e8c966986207904affe7648808b284e258fc3e7311f33837f.exe

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:

b2ffecd901e9b33e8c966986207904affe7648808b284e258fc3e7311f33837f.exe

pid process

1172 b2ffecd901e9b33e8c966986207904affe7648808b284e258fc3e7311f33837f.exe

pid	process
1172	b2ffecd901e9b33e8c966986207904affe7648808b284e258fc3e7311f33837f.exe

Loads dropped DLL 3 IoCs

Processes:

b2ffecd901e9b33e8c966986207904affe7648808b284e258fc3e7311f33837f.exe

pid	process
1928	b2ffecd901e9b33e8c966986207904affe7648808b284e258fc3e7311f33837f.exe
1928	b2ffecd901e9b33e8c966986207904affe7648808b284e258fc3e7311f33837f.exe
1928	b2ffecd901e9b33e8c966986207904affe7648808b284e258fc3e7311f33837f.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
T1081

Drops file in Program Files directory 64 IoCs

Processes:

b2ffecd901e9b33e8c966986207904affe7648808b284e258fc3e7311f33837f.exe

description	ioc	process
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSTORE.EXE	b2ffecd901e9b33e8c966986207904affe7648808b284e258fc3e7311f33837f.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{57A73~1\VC_RED~1.EXE	b2ffecd901e9b33e8c966986207904affe7648808b284e258fc3e7311f33837f.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\MSInfo\msinfo32.exe	b2ffecd901e9b33e8c966986207904affe7648808b284e258fc3e7311f33837f.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\MSOICONS.EXE	b2ffecd901e9b33e8c966986207904affe7648808b284e258fc3e7311f33837f.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\VSTO\10.0\VSTOIN~1.EXE	b2ffecd901e9b33e8c966986207904affe7648808b284e258fc3e7311f33837f.exe
File opened for modification	C:\PROGRA~2\INTERN~1\ielowutil.exe	b2ffecd901e9b33e8c966986207904affe7648808b284e258fc3e7311f33837f.exe
File opened for modification	C:\PROGRA~2\MOZILL~1\UNINST~1.EXE	b2ffecd901e9b33e8c966986207904affe7648808b284e258fc3e7311f33837f.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\ADOBEC~1.EXE	b2ffecd901e9b33e8c966986207904affe7648808b284e258fc3e7311f33837f.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\MSOXMLED.EXE	b2ffecd901e9b33e8c966986207904affe7648808b284e258fc3e7311f33837f.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\OFFICE~1\ODeploy.exe	b2ffecd901e9b33e8c966986207904affe7648808b284e258fc3e7311f33837f.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\ONENOTEM.EXE	b2ffecd901e9b33e8c966986207904affe7648808b284e258fc3e7311f33837f.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\BCSSync.exe	b2ffecd901e9b33e8c966986207904affe7648808b284e258fc3e7311f33837f.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSOHTMED.EXE	b2ffecd901e9b33e8c966986207904affe7648808b284e258fc3e7311f33837f.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmlaunch.exe	b2ffecd901e9b33e8c966986207904affe7648808b284e258fc3e7311f33837f.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\SELFCERT.EXE	b2ffecd901e9b33e8c966986207904affe7648808b284e258fc3e7311f33837f.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmprph.exe	b2ffecd901e9b33e8c966986207904affe7648808b284e258fc3e7311f33837f.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\DW\DWTRIG20.EXE	b2ffecd901e9b33e8c966986207904affe7648808b284e258fc3e7311f33837f.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\ACCICONS.EXE	b2ffecd901e9b33e8c966986207904affe7648808b284e258fc3e7311f33837f.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSOUC.EXE	b2ffecd901e9b33e8c966986207904affe7648808b284e258fc3e7311f33837f.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\POWERPNT.EXE	b2ffecd901e9b33e8c966986207904affe7648808b284e258fc3e7311f33837f.exe
File opened for modification	C:\PROGRA~2\MOZILL~1\MAINTE~1.EXE	b2ffecd901e9b33e8c966986207904affe7648808b284e258fc3e7311f33837f.exe
File opened for modification	C:\PROGRA~2\WINDOW~1\WinMail.exe	b2ffecd901e9b33e8c966986207904affe7648808b284e258fc3e7311f33837f.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{61087~1\VCREDI~1.EXE	b2ffecd901e9b33e8c966986207904affe7648808b284e258fc3e7311f33837f.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{CA675~1\VCREDI~1.EXE	b2ffecd901e9b33e8c966986207904affe7648808b284e258fc3e7311f33837f.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\A3DUTI~1.EXE	b2ffecd901e9b33e8c966986207904affe7648808b284e258fc3e7311f33837f.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Resource\Icons\SC_REA~1.EXE	b2ffecd901e9b33e8c966986207904affe7648808b284e258fc3e7311f33837f.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.71\GOBD5D~1.EXE	b2ffecd901e9b33e8c966986207904affe7648808b284e258fc3e7311f33837f.exe
File opened for modification	C:\PROGRA~2\Google\Update\DISABL~1.EXE	b2ffecd901e9b33e8c966986207904affe7648808b284e258fc3e7311f33837f.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\CNFNOT32.EXE	b2ffecd901e9b33e8c966986207904affe7648808b284e258fc3e7311f33837f.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\ONENOTE.EXE	b2ffecd901e9b33e8c966986207904affe7648808b284e258fc3e7311f33837f.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\PPTICO.EXE	b2ffecd901e9b33e8c966986207904affe7648808b284e258fc3e7311f33837f.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{4D8DC~1\VC_RED~1.EXE	b2ffecd901e9b33e8c966986207904affe7648808b284e258fc3e7311f33837f.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\Eula.exe	b2ffecd901e9b33e8c966986207904affe7648808b284e258fc3e7311f33837f.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\SOURCE~1\OSE.EXE	b2ffecd901e9b33e8c966986207904affe7648808b284e258fc3e7311f33837f.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.71\GOOGLE~2.EXE	b2ffecd901e9b33e8c966986207904affe7648808b284e258fc3e7311f33837f.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.71\GOF5E2~1.EXE	b2ffecd901e9b33e8c966986207904affe7648808b284e258fc3e7311f33837f.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\misc.exe	b2ffecd901e9b33e8c966986207904affe7648808b284e258fc3e7311f33837f.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSOSYNC.EXE	b2ffecd901e9b33e8c966986207904affe7648808b284e258fc3e7311f33837f.exe
File opened for modification	C:\PROGRA~2\WINDOW~2\ACCESS~1\wordpad.exe	b2ffecd901e9b33e8c966986207904affe7648808b284e258fc3e7311f33837f.exe
File opened for modification	C:\PROGRA~2\WINDOW~4\ImagingDevices.exe	b2ffecd901e9b33e8c966986207904affe7648808b284e258fc3e7311f33837f.exe
File opened for modification	C:\PROGRA~2\COMMON~1\Adobe\Updater6\ADOBEU~1.EXE	b2ffecd901e9b33e8c966986207904affe7648808b284e258fc3e7311f33837f.exe
File opened for modification	C:\PROGRA~2\COMMON~1\Adobe\Updater6\ADOBE_~1.EXE	b2ffecd901e9b33e8c966986207904affe7648808b284e258fc3e7311f33837f.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\EQUATION\EQNEDT32.EXE	b2ffecd901e9b33e8c966986207904affe7648808b284e258fc3e7311f33837f.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\FLTLDR.EXE	b2ffecd901e9b33e8c966986207904affe7648808b284e258fc3e7311f33837f.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\IECONT~1.EXE	b2ffecd901e9b33e8c966986207904affe7648808b284e258fc3e7311f33837f.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\NAMECO~1.EXE	b2ffecd901e9b33e8c966986207904affe7648808b284e258fc3e7311f33837f.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\OIS.EXE	b2ffecd901e9b33e8c966986207904affe7648808b284e258fc3e7311f33837f.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\setup_wm.exe	b2ffecd901e9b33e8c966986207904affe7648808b284e258fc3e7311f33837f.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmplayer.exe	b2ffecd901e9b33e8c966986207904affe7648808b284e258fc3e7311f33837f.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\ink\mip.exe	b2ffecd901e9b33e8c966986207904affe7648808b284e258fc3e7311f33837f.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.71\GOOGLE~1.EXE	b2ffecd901e9b33e8c966986207904affe7648808b284e258fc3e7311f33837f.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.71\GO664E~1.EXE	b2ffecd901e9b33e8c966986207904affe7648808b284e258fc3e7311f33837f.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSTORDB.EXE	b2ffecd901e9b33e8c966986207904affe7648808b284e258fc3e7311f33837f.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\LICLUA.EXE	b2ffecd901e9b33e8c966986207904affe7648808b284e258fc3e7311f33837f.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\Oarpmany.exe	b2ffecd901e9b33e8c966986207904affe7648808b284e258fc3e7311f33837f.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmpshare.exe	b2ffecd901e9b33e8c966986207904affe7648808b284e258fc3e7311f33837f.exe
File opened for modification	C:\PROGRA~2\WINDOW~1\wabmig.exe	b2ffecd901e9b33e8c966986207904affe7648808b284e258fc3e7311f33837f.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmpconfig.exe	b2ffecd901e9b33e8c966986207904affe7648808b284e258fc3e7311f33837f.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\ACROBR~1.EXE	b2ffecd901e9b33e8c966986207904affe7648808b284e258fc3e7311f33837f.exe
File opened for modification	C:\PROGRA~2\COMMON~1\ADOBEA~1\Versions\1.0\ADOBEA~1.EXE	b2ffecd901e9b33e8c966986207904affe7648808b284e258fc3e7311f33837f.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\1033\ONELEV.EXE	b2ffecd901e9b33e8c966986207904affe7648808b284e258fc3e7311f33837f.exe
File opened for modification	C:\PROGRA~2\WINDOW~1\wab.exe	b2ffecd901e9b33e8c966986207904affe7648808b284e258fc3e7311f33837f.exe
File opened for modification	C:\PROGRA~2\WI4223~1\sidebar.exe	b2ffecd901e9b33e8c966986207904affe7648808b284e258fc3e7311f33837f.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\SETUPF~1\{AC76B~1\Setup.exe	b2ffecd901e9b33e8c966986207904affe7648808b284e258fc3e7311f33837f.exe

Drops file in Windows directory 1 IoCs

Processes:

b2ffecd901e9b33e8c966986207904affe7648808b284e258fc3e7311f33837f.exe

description ioc process

File opened for modification C:\Windows\svchost.com b2ffecd901e9b33e8c966986207904affe7648808b284e258fc3e7311f33837f.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

description	ioc	process
File opened for modification	C:\Windows\svchost.com	b2ffecd901e9b33e8c966986207904affe7648808b284e258fc3e7311f33837f.exe

Modifies registry class 1 IoCs

Processes:

b2ffecd901e9b33e8c966986207904affe7648808b284e258fc3e7311f33837f.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Windows\\svchost.com \"%1\" %*"	b2ffecd901e9b33e8c966986207904affe7648808b284e258fc3e7311f33837f.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

b2ffecd901e9b33e8c966986207904affe7648808b284e258fc3e7311f33837f.exe

description	pid	process	target process
PID 1928 wrote to memory of 1172	1928	b2ffecd901e9b33e8c966986207904affe7648808b284e258fc3e7311f33837f.exe	b2ffecd901e9b33e8c966986207904affe7648808b284e258fc3e7311f33837f.exe
PID 1928 wrote to memory of 1172	1928	b2ffecd901e9b33e8c966986207904affe7648808b284e258fc3e7311f33837f.exe	b2ffecd901e9b33e8c966986207904affe7648808b284e258fc3e7311f33837f.exe
PID 1928 wrote to memory of 1172	1928	b2ffecd901e9b33e8c966986207904affe7648808b284e258fc3e7311f33837f.exe	b2ffecd901e9b33e8c966986207904affe7648808b284e258fc3e7311f33837f.exe
PID 1928 wrote to memory of 1172	1928	b2ffecd901e9b33e8c966986207904affe7648808b284e258fc3e7311f33837f.exe	b2ffecd901e9b33e8c966986207904affe7648808b284e258fc3e7311f33837f.exe

C:\Users\Admin\AppData\Local\Temp\b2ffecd901e9b33e8c966986207904affe7648808b284e258fc3e7311f33837f.exe
"C:\Users\Admin\AppData\Local\Temp\b2ffecd901e9b33e8c966986207904affe7648808b284e258fc3e7311f33837f.exe"
1⤵
- Modifies system executable filetype association
- Loads dropped DLL
- Drops file in Program Files directory
- Drops file in Windows directory
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:1928
- C:\Users\Admin\AppData\Local\Temp\3582-490\b2ffecd901e9b33e8c966986207904affe7648808b284e258fc3e7311f33837f.exe
  "C:\Users\Admin\AppData\Local\Temp\3582-490\b2ffecd901e9b33e8c966986207904affe7648808b284e258fc3e7311f33837f.exe"
  2⤵
  - Executes dropped EXE
  PID:1172

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Change Default File Association

1

T1042

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Credentials in Files

1

T1081

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Data from Local System

1

T1005

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\3582-490\b2ffecd901e9b33e8c966986207904affe7648808b284e258fc3e7311f33837f.exe

Filesize
1.9MB

MD5
66b5cfbbf528a357310e959e8adc7b24

SHA1
fb3156e41f5b2ac2ffa140168ea675dbac44e42f

SHA256
06294b9ed049893a612092cef4e6f37b767456e60ef5d7af87972e143ab2bd2d

SHA512
50677454735d05ee61c0dc1709f936bdf91c4d1a92108b2c424b1ae2016f83a9876dcca15e749bff185ff84ba5abd001d21a1d87932a23c8c69145fedc214041

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\b2ffecd901e9b33e8c966986207904affe7648808b284e258fc3e7311f33837f.exe

Filesize
1.9MB

MD5
66b5cfbbf528a357310e959e8adc7b24

SHA1
fb3156e41f5b2ac2ffa140168ea675dbac44e42f

SHA256
06294b9ed049893a612092cef4e6f37b767456e60ef5d7af87972e143ab2bd2d

SHA512
50677454735d05ee61c0dc1709f936bdf91c4d1a92108b2c424b1ae2016f83a9876dcca15e749bff185ff84ba5abd001d21a1d87932a23c8c69145fedc214041

Download Submit
\Users\Admin\AppData\Local\Temp\3582-490\b2ffecd901e9b33e8c966986207904affe7648808b284e258fc3e7311f33837f.exe

Filesize
1.9MB

MD5
66b5cfbbf528a357310e959e8adc7b24

SHA1
fb3156e41f5b2ac2ffa140168ea675dbac44e42f

SHA256
06294b9ed049893a612092cef4e6f37b767456e60ef5d7af87972e143ab2bd2d

SHA512
50677454735d05ee61c0dc1709f936bdf91c4d1a92108b2c424b1ae2016f83a9876dcca15e749bff185ff84ba5abd001d21a1d87932a23c8c69145fedc214041

Download Submit
memory/1172-57-0x0000000000000000-mapping.dmp

Download
memory/1928-54-0x00000000762B1000-0x00000000762B3000-memory.dmp

Filesize
8KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads