neshta | 683f425d67f75285de211d6f84a1b330330b7140123109643fbb969b960c92d5

General

Target

683f425d67f75285de211d6f84a1b330330b7140123109643fbb969b960c92d5.exe
Size

559KB
MD5

077427eaec9bf0cd41247d5a8ffd5f21
SHA1

53c931156686c316c3fe733c660650ca39506601
SHA256

683f425d67f75285de211d6f84a1b330330b7140123109643fbb969b960c92d5
SHA512

c36c8a5da91f2e3cf8dacc08c1a20594e10e4a086cba79c86a6b54711dcdc094285e22370e224b596ca77b023e7a442de58e80f43e5eafb2db2833cec6313913
SSDEEP

12288:/JfNhckgQqKprF3MHlEEFxyA3FM1dtS2VzYKj86sbyS7Km3xqLr:/ZJNlF3MFDf5FMTtLpYOkP7RMn

Score

10^/10

neshta bootkit 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:

683f425d67f75285de211d6f84a1b330330b7140123109643fbb969b960c92d5.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Windows\\svchost.com \"%1\" %*"	683f425d67f75285de211d6f84a1b330330b7140123109643fbb969b960c92d5.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:

683f425d67f75285de211d6f84a1b330330b7140123109643fbb969b960c92d5.exe

pid process

556 683f425d67f75285de211d6f84a1b330330b7140123109643fbb969b960c92d5.exe

pid	process
556	683f425d67f75285de211d6f84a1b330330b7140123109643fbb969b960c92d5.exe

Loads dropped DLL 3 IoCs

Processes:

683f425d67f75285de211d6f84a1b330330b7140123109643fbb969b960c92d5.exe

pid	process
2016	683f425d67f75285de211d6f84a1b330330b7140123109643fbb969b960c92d5.exe
2016	683f425d67f75285de211d6f84a1b330330b7140123109643fbb969b960c92d5.exe
2016	683f425d67f75285de211d6f84a1b330330b7140123109643fbb969b960c92d5.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
Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs
Bootkits write to the MBR to gain persistence at a level below the operating system.
bootkit persistence

Bootkit
T1067

Processes:

683f425d67f75285de211d6f84a1b330330b7140123109643fbb969b960c92d5.exe

description ioc process

File opened for modification \??\PhysicalDrive0 683f425d67f75285de211d6f84a1b330330b7140123109643fbb969b960c92d5.exe

description	ioc	process
File opened for modification	\??\PhysicalDrive0	683f425d67f75285de211d6f84a1b330330b7140123109643fbb969b960c92d5.exe

Drops file in Program Files directory 64 IoCs

Processes:

683f425d67f75285de211d6f84a1b330330b7140123109643fbb969b960c92d5.exe

description	ioc	process
File opened for modification	C:\PROGRA~2\WI54FB~1\wmplayer.exe	683f425d67f75285de211d6f84a1b330330b7140123109643fbb969b960c92d5.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\SETUPF~1\{AC76B~1\Setup.exe	683f425d67f75285de211d6f84a1b330330b7140123109643fbb969b960c92d5.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\DW\DWTRIG20.EXE	683f425d67f75285de211d6f84a1b330330b7140123109643fbb969b960c92d5.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.71\GOBD5D~1.EXE	683f425d67f75285de211d6f84a1b330330b7140123109643fbb969b960c92d5.exe
File opened for modification	C:\PROGRA~2\Google\Update\DISABL~1.EXE	683f425d67f75285de211d6f84a1b330330b7140123109643fbb969b960c92d5.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\CLVIEW.EXE	683f425d67f75285de211d6f84a1b330330b7140123109643fbb969b960c92d5.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\EQUATION\EQNEDT32.EXE	683f425d67f75285de211d6f84a1b330330b7140123109643fbb969b960c92d5.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\LICLUA.EXE	683f425d67f75285de211d6f84a1b330330b7140123109643fbb969b960c92d5.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\MSOICONS.EXE	683f425d67f75285de211d6f84a1b330330b7140123109643fbb969b960c92d5.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\TextConv\WksConv\Wkconv.exe	683f425d67f75285de211d6f84a1b330330b7140123109643fbb969b960c92d5.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSOSYNC.EXE	683f425d67f75285de211d6f84a1b330330b7140123109643fbb969b960c92d5.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{4D8DC~1\VC_RED~1.EXE	683f425d67f75285de211d6f84a1b330330b7140123109643fbb969b960c92d5.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{CA675~1\VCREDI~1.EXE	683f425d67f75285de211d6f84a1b330330b7140123109643fbb969b960c92d5.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\AcroRd32.exe	683f425d67f75285de211d6f84a1b330330b7140123109643fbb969b960c92d5.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\Eula.exe	683f425d67f75285de211d6f84a1b330330b7140123109643fbb969b960c92d5.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\VSTO\10.0\VSTOIN~1.EXE	683f425d67f75285de211d6f84a1b330330b7140123109643fbb969b960c92d5.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\POWERPNT.EXE	683f425d67f75285de211d6f84a1b330330b7140123109643fbb969b960c92d5.exe
File opened for modification	C:\PROGRA~2\MOZILL~1\UNINST~1.EXE	683f425d67f75285de211d6f84a1b330330b7140123109643fbb969b960c92d5.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSOHTMED.EXE	683f425d67f75285de211d6f84a1b330330b7140123109643fbb969b960c92d5.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\NAMECO~1.EXE	683f425d67f75285de211d6f84a1b330330b7140123109643fbb969b960c92d5.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\ONENOTEM.EXE	683f425d67f75285de211d6f84a1b330330b7140123109643fbb969b960c92d5.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\Oarpmany.exe	683f425d67f75285de211d6f84a1b330330b7140123109643fbb969b960c92d5.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.71\GO664E~1.EXE	683f425d67f75285de211d6f84a1b330330b7140123109643fbb969b960c92d5.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.71\GOOGLE~2.EXE	683f425d67f75285de211d6f84a1b330330b7140123109643fbb969b960c92d5.exe
File opened for modification	C:\PROGRA~2\INTERN~1\ieinstal.exe	683f425d67f75285de211d6f84a1b330330b7140123109643fbb969b960c92d5.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\IECONT~1.EXE	683f425d67f75285de211d6f84a1b330330b7140123109643fbb969b960c92d5.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\WMPDMC.exe	683f425d67f75285de211d6f84a1b330330b7140123109643fbb969b960c92d5.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\MSOXMLED.EXE	683f425d67f75285de211d6f84a1b330330b7140123109643fbb969b960c92d5.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.71\GOOGLE~1.EXE	683f425d67f75285de211d6f84a1b330330b7140123109643fbb969b960c92d5.exe
File opened for modification	C:\PROGRA~2\INTERN~1\iexplore.exe	683f425d67f75285de211d6f84a1b330330b7140123109643fbb969b960c92d5.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSTORE.EXE	683f425d67f75285de211d6f84a1b330330b7140123109643fbb969b960c92d5.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{57A73~1\VC_RED~1.EXE	683f425d67f75285de211d6f84a1b330330b7140123109643fbb969b960c92d5.exe
File opened for modification	C:\PROGRA~2\COMMON~1\Adobe\Updater6\ADOBEU~1.EXE	683f425d67f75285de211d6f84a1b330330b7140123109643fbb969b960c92d5.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\OFFICE~1\ODeploy.exe	683f425d67f75285de211d6f84a1b330330b7140123109643fbb969b960c92d5.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\BCSSync.exe	683f425d67f75285de211d6f84a1b330330b7140123109643fbb969b960c92d5.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\OIS.EXE	683f425d67f75285de211d6f84a1b330330b7140123109643fbb969b960c92d5.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\XLICONS.EXE	683f425d67f75285de211d6f84a1b330330b7140123109643fbb969b960c92d5.exe
File opened for modification	C:\PROGRA~2\WI4223~1\sidebar.exe	683f425d67f75285de211d6f84a1b330330b7140123109643fbb969b960c92d5.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\ADOBEC~1.EXE	683f425d67f75285de211d6f84a1b330330b7140123109643fbb969b960c92d5.exe
File opened for modification	C:\PROGRA~2\INTERN~1\ielowutil.exe	683f425d67f75285de211d6f84a1b330330b7140123109643fbb969b960c92d5.exe
File opened for modification	C:\PROGRA~2\MOZILL~1\MAINTE~1.EXE	683f425d67f75285de211d6f84a1b330330b7140123109643fbb969b960c92d5.exe
File opened for modification	C:\PROGRA~2\WINDOW~1\wab.exe	683f425d67f75285de211d6f84a1b330330b7140123109643fbb969b960c92d5.exe
File opened for modification	C:\PROGRA~2\WINDOW~2\ACCESS~1\wordpad.exe	683f425d67f75285de211d6f84a1b330330b7140123109643fbb969b960c92d5.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\ACROBR~1.EXE	683f425d67f75285de211d6f84a1b330330b7140123109643fbb969b960c92d5.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.71\GOOGLE~4.EXE	683f425d67f75285de211d6f84a1b330330b7140123109643fbb969b960c92d5.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\WORDICON.EXE	683f425d67f75285de211d6f84a1b330330b7140123109643fbb969b960c92d5.exe
File opened for modification	C:\PROGRA~2\COMMON~1\ADOBEA~1\Versions\1.0\ADOBEA~1.EXE	683f425d67f75285de211d6f84a1b330330b7140123109643fbb969b960c92d5.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\setup_wm.exe	683f425d67f75285de211d6f84a1b330330b7140123109643fbb969b960c92d5.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmpconfig.exe	683f425d67f75285de211d6f84a1b330330b7140123109643fbb969b960c92d5.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmpshare.exe	683f425d67f75285de211d6f84a1b330330b7140123109643fbb969b960c92d5.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\LOGTRA~1.EXE	683f425d67f75285de211d6f84a1b330330b7140123109643fbb969b960c92d5.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\DW\DW20.EXE	683f425d67f75285de211d6f84a1b330330b7140123109643fbb969b960c92d5.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\1033\ONELEV.EXE	683f425d67f75285de211d6f84a1b330330b7140123109643fbb969b960c92d5.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\CNFNOT32.EXE	683f425d67f75285de211d6f84a1b330330b7140123109643fbb969b960c92d5.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmprph.exe	683f425d67f75285de211d6f84a1b330330b7140123109643fbb969b960c92d5.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\OFFICE~1\Setup.exe	683f425d67f75285de211d6f84a1b330330b7140123109643fbb969b960c92d5.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSQRY32.EXE	683f425d67f75285de211d6f84a1b330330b7140123109643fbb969b960c92d5.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\PPTICO.EXE	683f425d67f75285de211d6f84a1b330330b7140123109643fbb969b960c92d5.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{61087~1\VCREDI~1.EXE	683f425d67f75285de211d6f84a1b330330b7140123109643fbb969b960c92d5.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\SELFCERT.EXE	683f425d67f75285de211d6f84a1b330330b7140123109643fbb969b960c92d5.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\WINWORD.EXE	683f425d67f75285de211d6f84a1b330330b7140123109643fbb969b960c92d5.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmlaunch.exe	683f425d67f75285de211d6f84a1b330330b7140123109643fbb969b960c92d5.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\A3DUTI~1.EXE	683f425d67f75285de211d6f84a1b330330b7140123109643fbb969b960c92d5.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\MSInfo\msinfo32.exe	683f425d67f75285de211d6f84a1b330330b7140123109643fbb969b960c92d5.exe

Drops file in Windows directory 1 IoCs

Processes:

683f425d67f75285de211d6f84a1b330330b7140123109643fbb969b960c92d5.exe

description ioc process

File opened for modification C:\Windows\svchost.com 683f425d67f75285de211d6f84a1b330330b7140123109643fbb969b960c92d5.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	683f425d67f75285de211d6f84a1b330330b7140123109643fbb969b960c92d5.exe

Modifies registry class 4 IoCs

Processes:

683f425d67f75285de211d6f84a1b330330b7140123109643fbb969b960c92d5.exe683f425d67f75285de211d6f84a1b330330b7140123109643fbb969b960c92d5.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.key\ = "regfile"	683f425d67f75285de211d6f84a1b330330b7140123109643fbb969b960c92d5.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Windows\\svchost.com \"%1\" %*"	683f425d67f75285de211d6f84a1b330330b7140123109643fbb969b960c92d5.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.key	683f425d67f75285de211d6f84a1b330330b7140123109643fbb969b960c92d5.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.key\	683f425d67f75285de211d6f84a1b330330b7140123109643fbb969b960c92d5.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

683f425d67f75285de211d6f84a1b330330b7140123109643fbb969b960c92d5.exe

description	pid	process	target process
PID 2016 wrote to memory of 556	2016	683f425d67f75285de211d6f84a1b330330b7140123109643fbb969b960c92d5.exe	683f425d67f75285de211d6f84a1b330330b7140123109643fbb969b960c92d5.exe
PID 2016 wrote to memory of 556	2016	683f425d67f75285de211d6f84a1b330330b7140123109643fbb969b960c92d5.exe	683f425d67f75285de211d6f84a1b330330b7140123109643fbb969b960c92d5.exe
PID 2016 wrote to memory of 556	2016	683f425d67f75285de211d6f84a1b330330b7140123109643fbb969b960c92d5.exe	683f425d67f75285de211d6f84a1b330330b7140123109643fbb969b960c92d5.exe
PID 2016 wrote to memory of 556	2016	683f425d67f75285de211d6f84a1b330330b7140123109643fbb969b960c92d5.exe	683f425d67f75285de211d6f84a1b330330b7140123109643fbb969b960c92d5.exe

C:\Users\Admin\AppData\Local\Temp\683f425d67f75285de211d6f84a1b330330b7140123109643fbb969b960c92d5.exe
"C:\Users\Admin\AppData\Local\Temp\683f425d67f75285de211d6f84a1b330330b7140123109643fbb969b960c92d5.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:2016

C:\Users\Admin\AppData\Local\Temp\3582-490\683f425d67f75285de211d6f84a1b330330b7140123109643fbb969b960c92d5.exe
"C:\Users\Admin\AppData\Local\Temp\3582-490\683f425d67f75285de211d6f84a1b330330b7140123109643fbb969b960c92d5.exe"
2⤵
- Executes dropped EXE
- Writes to the Master Boot Record (MBR)
- Modifies registry class
PID:556

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Change Default File Association

1

T1042

Bootkit

1

T1067

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

Exfiltration

Command and Control

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\3582-490\683f425d67f75285de211d6f84a1b330330b7140123109643fbb969b960c92d5.exe
Filesize
518KB

MD5
b171081e3f9fed3c8d0ca14637683a76

SHA1
b4ac6e512f30dbe32e815f01ea38325fe8668726

SHA256
36d52d3330803e87d967fe7a4adec7535bb6fffe96278cb0e0e67cff74b7b128

SHA512
7dabce32e0950dce58f667850280ab1fdb277c4c8863d11db78ba5eb1ba379c29846a56430731521f82bcd280833b4030d6347d8cc177c22423b7e4952241bf2

Download Submit
C:\Users\Admin\AppData\Local\Temp\3582-490\683f425d67f75285de211d6f84a1b330330b7140123109643fbb969b960c92d5.exe
Filesize
518KB

MD5
b171081e3f9fed3c8d0ca14637683a76

SHA1
b4ac6e512f30dbe32e815f01ea38325fe8668726

SHA256
36d52d3330803e87d967fe7a4adec7535bb6fffe96278cb0e0e67cff74b7b128

SHA512
7dabce32e0950dce58f667850280ab1fdb277c4c8863d11db78ba5eb1ba379c29846a56430731521f82bcd280833b4030d6347d8cc177c22423b7e4952241bf2

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\683f425d67f75285de211d6f84a1b330330b7140123109643fbb969b960c92d5.exe
Filesize
518KB

MD5
b171081e3f9fed3c8d0ca14637683a76

SHA1
b4ac6e512f30dbe32e815f01ea38325fe8668726

SHA256
36d52d3330803e87d967fe7a4adec7535bb6fffe96278cb0e0e67cff74b7b128

SHA512
7dabce32e0950dce58f667850280ab1fdb277c4c8863d11db78ba5eb1ba379c29846a56430731521f82bcd280833b4030d6347d8cc177c22423b7e4952241bf2

Download Submit
\Users\Admin\AppData\Local\Temp\3582-490\683f425d67f75285de211d6f84a1b330330b7140123109643fbb969b960c92d5.exe
Filesize
518KB

MD5
b171081e3f9fed3c8d0ca14637683a76

SHA1
b4ac6e512f30dbe32e815f01ea38325fe8668726

SHA256
36d52d3330803e87d967fe7a4adec7535bb6fffe96278cb0e0e67cff74b7b128

SHA512
7dabce32e0950dce58f667850280ab1fdb277c4c8863d11db78ba5eb1ba379c29846a56430731521f82bcd280833b4030d6347d8cc177c22423b7e4952241bf2

Download Submit
memory/556-57-0x0000000000000000-mapping.dmp

Download
memory/556-63-0x0000000001F30000-0x0000000001F33000-memory.dmp

Filesize
12KB

Download
memory/556-62-0x0000000000400000-0x0000000000578000-memory.dmp

Filesize
1.5MB

Download
memory/556-64-0x0000000000400000-0x0000000000578000-memory.dmp

Filesize
1.5MB

Download
memory/2016-54-0x0000000075671000-0x0000000075673000-memory.dmp

Filesize
8KB

Download
memory/2016-61-0x0000000002760000-0x00000000028D8000-memory.dmp

Filesize
1.5MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

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Downloads