neshta | f634b2b05343731f0245c6123b96bfd3bbb42ffdb247435eae364c0daea83b20

General

Target

f634b2b05343731f0245c6123b96bfd3bbb42ffdb247435eae364c0daea83b20.exe
Size

84KB
MD5

2dd251af2e94763f1d705b188926f510
SHA1

2ea7946881e4dd73ef4957b4cad7d992d94c4ffc
SHA256

f634b2b05343731f0245c6123b96bfd3bbb42ffdb247435eae364c0daea83b20
SHA512

f86252621dcab533eb95226ff4d761e8bfa2efb7b84fb0da09b5e43d18f344162f76f13b16c50d37647bb0334699d2add31e8a795cc3be0f3d591aacb404d717
SSDEEP

1536:JxqjQ+P04wsmJCK7WaaWJ19h5Gxzbpu8R3sdvpIrw0mUHdXR1zKH:sr85CK7+Sh5G+8RaxivHT1U

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:

f634b2b05343731f0245c6123b96bfd3bbb42ffdb247435eae364c0daea83b20.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Windows\\svchost.com \"%1\" %*"	f634b2b05343731f0245c6123b96bfd3bbb42ffdb247435eae364c0daea83b20.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:

f634b2b05343731f0245c6123b96bfd3bbb42ffdb247435eae364c0daea83b20.exe

pid process

1700 f634b2b05343731f0245c6123b96bfd3bbb42ffdb247435eae364c0daea83b20.exe

pid	process
1700	f634b2b05343731f0245c6123b96bfd3bbb42ffdb247435eae364c0daea83b20.exe

Loads dropped DLL 3 IoCs

Processes:

f634b2b05343731f0245c6123b96bfd3bbb42ffdb247435eae364c0daea83b20.exe

pid	process
1648	f634b2b05343731f0245c6123b96bfd3bbb42ffdb247435eae364c0daea83b20.exe
1648	f634b2b05343731f0245c6123b96bfd3bbb42ffdb247435eae364c0daea83b20.exe
1648	f634b2b05343731f0245c6123b96bfd3bbb42ffdb247435eae364c0daea83b20.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:

f634b2b05343731f0245c6123b96bfd3bbb42ffdb247435eae364c0daea83b20.exe

description	ioc	process
File opened for modification	C:\PROGRA~2\COMMON~1\Adobe\Updater6\ADOBE_~1.EXE	f634b2b05343731f0245c6123b96bfd3bbb42ffdb247435eae364c0daea83b20.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\LICLUA.EXE	f634b2b05343731f0245c6123b96bfd3bbb42ffdb247435eae364c0daea83b20.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\MSOICONS.EXE	f634b2b05343731f0245c6123b96bfd3bbb42ffdb247435eae364c0daea83b20.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSQRY32.EXE	f634b2b05343731f0245c6123b96bfd3bbb42ffdb247435eae364c0daea83b20.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmplayer.exe	f634b2b05343731f0245c6123b96bfd3bbb42ffdb247435eae364c0daea83b20.exe
File opened for modification	C:\PROGRA~2\COMMON~1\Adobe\Updater6\ADOBEU~1.EXE	f634b2b05343731f0245c6123b96bfd3bbb42ffdb247435eae364c0daea83b20.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\FLTLDR.EXE	f634b2b05343731f0245c6123b96bfd3bbb42ffdb247435eae364c0daea83b20.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\MSOXMLED.EXE	f634b2b05343731f0245c6123b96bfd3bbb42ffdb247435eae364c0daea83b20.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\misc.exe	f634b2b05343731f0245c6123b96bfd3bbb42ffdb247435eae364c0daea83b20.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\SELFCERT.EXE	f634b2b05343731f0245c6123b96bfd3bbb42ffdb247435eae364c0daea83b20.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmpconfig.exe	f634b2b05343731f0245c6123b96bfd3bbb42ffdb247435eae364c0daea83b20.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{EF6B0~1\VCREDI~1.EXE	f634b2b05343731f0245c6123b96bfd3bbb42ffdb247435eae364c0daea83b20.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\Eula.exe	f634b2b05343731f0245c6123b96bfd3bbb42ffdb247435eae364c0daea83b20.exe
File opened for modification	C:\PROGRA~2\INTERN~1\ielowutil.exe	f634b2b05343731f0245c6123b96bfd3bbb42ffdb247435eae364c0daea83b20.exe
File opened for modification	C:\PROGRA~2\INTERN~1\iexplore.exe	f634b2b05343731f0245c6123b96bfd3bbb42ffdb247435eae364c0daea83b20.exe
File opened for modification	C:\PROGRA~2\MOZILL~1\MAINTE~1.EXE	f634b2b05343731f0245c6123b96bfd3bbb42ffdb247435eae364c0daea83b20.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.71\GOOGLE~4.EXE	f634b2b05343731f0245c6123b96bfd3bbb42ffdb247435eae364c0daea83b20.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\EQUATION\EQNEDT32.EXE	f634b2b05343731f0245c6123b96bfd3bbb42ffdb247435eae364c0daea83b20.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\SOURCE~1\OSE.EXE	f634b2b05343731f0245c6123b96bfd3bbb42ffdb247435eae364c0daea83b20.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.71\GO664E~1.EXE	f634b2b05343731f0245c6123b96bfd3bbb42ffdb247435eae364c0daea83b20.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\GRAPH.EXE	f634b2b05343731f0245c6123b96bfd3bbb42ffdb247435eae364c0daea83b20.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\OIS.EXE	f634b2b05343731f0245c6123b96bfd3bbb42ffdb247435eae364c0daea83b20.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\ONENOTE.EXE	f634b2b05343731f0245c6123b96bfd3bbb42ffdb247435eae364c0daea83b20.exe
File opened for modification	C:\PROGRA~2\WINDOW~1\wab.exe	f634b2b05343731f0245c6123b96bfd3bbb42ffdb247435eae364c0daea83b20.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\DW\DWTRIG20.EXE	f634b2b05343731f0245c6123b96bfd3bbb42ffdb247435eae364c0daea83b20.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\WMPDMC.exe	f634b2b05343731f0245c6123b96bfd3bbb42ffdb247435eae364c0daea83b20.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSOUC.EXE	f634b2b05343731f0245c6123b96bfd3bbb42ffdb247435eae364c0daea83b20.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\ONENOTEM.EXE	f634b2b05343731f0245c6123b96bfd3bbb42ffdb247435eae364c0daea83b20.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\OFFICE~1\ODeploy.exe	f634b2b05343731f0245c6123b96bfd3bbb42ffdb247435eae364c0daea83b20.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\CNFNOT32.EXE	f634b2b05343731f0245c6123b96bfd3bbb42ffdb247435eae364c0daea83b20.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmlaunch.exe	f634b2b05343731f0245c6123b96bfd3bbb42ffdb247435eae364c0daea83b20.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\DW\DW20.EXE	f634b2b05343731f0245c6123b96bfd3bbb42ffdb247435eae364c0daea83b20.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.71\GOOGLE~3.EXE	f634b2b05343731f0245c6123b96bfd3bbb42ffdb247435eae364c0daea83b20.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\GROOVEMN.EXE	f634b2b05343731f0245c6123b96bfd3bbb42ffdb247435eae364c0daea83b20.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmpshare.exe	f634b2b05343731f0245c6123b96bfd3bbb42ffdb247435eae364c0daea83b20.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{61087~1\VCREDI~1.EXE	f634b2b05343731f0245c6123b96bfd3bbb42ffdb247435eae364c0daea83b20.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\AcroRd32.exe	f634b2b05343731f0245c6123b96bfd3bbb42ffdb247435eae364c0daea83b20.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\MSInfo\msinfo32.exe	f634b2b05343731f0245c6123b96bfd3bbb42ffdb247435eae364c0daea83b20.exe
File opened for modification	C:\PROGRA~2\Google\Update\DISABL~1.EXE	f634b2b05343731f0245c6123b96bfd3bbb42ffdb247435eae364c0daea83b20.exe
File opened for modification	C:\PROGRA~2\INTERN~1\ieinstal.exe	f634b2b05343731f0245c6123b96bfd3bbb42ffdb247435eae364c0daea83b20.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\VPREVIEW.EXE	f634b2b05343731f0245c6123b96bfd3bbb42ffdb247435eae364c0daea83b20.exe
File opened for modification	C:\PROGRA~2\WINDOW~1\WinMail.exe	f634b2b05343731f0245c6123b96bfd3bbb42ffdb247435eae364c0daea83b20.exe
File opened for modification	C:\PROGRA~2\WINDOW~2\ACCESS~1\wordpad.exe	f634b2b05343731f0245c6123b96bfd3bbb42ffdb247435eae364c0daea83b20.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{CA675~1\VCREDI~1.EXE	f634b2b05343731f0245c6123b96bfd3bbb42ffdb247435eae364c0daea83b20.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.71\GOOGLE~2.EXE	f634b2b05343731f0245c6123b96bfd3bbb42ffdb247435eae364c0daea83b20.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\OFFICE~1\Setup.exe	f634b2b05343731f0245c6123b96bfd3bbb42ffdb247435eae364c0daea83b20.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\NAMECO~1.EXE	f634b2b05343731f0245c6123b96bfd3bbb42ffdb247435eae364c0daea83b20.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\WORDICON.EXE	f634b2b05343731f0245c6123b96bfd3bbb42ffdb247435eae364c0daea83b20.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\XLICONS.EXE	f634b2b05343731f0245c6123b96bfd3bbb42ffdb247435eae364c0daea83b20.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\LOGTRA~1.EXE	f634b2b05343731f0245c6123b96bfd3bbb42ffdb247435eae364c0daea83b20.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\Oarpmany.exe	f634b2b05343731f0245c6123b96bfd3bbb42ffdb247435eae364c0daea83b20.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSTORE.EXE	f634b2b05343731f0245c6123b96bfd3bbb42ffdb247435eae364c0daea83b20.exe
File opened for modification	C:\PROGRA~2\WINDOW~1\wabmig.exe	f634b2b05343731f0245c6123b96bfd3bbb42ffdb247435eae364c0daea83b20.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\setup_wm.exe	f634b2b05343731f0245c6123b96bfd3bbb42ffdb247435eae364c0daea83b20.exe
File opened for modification	C:\PROGRA~2\WINDOW~4\ImagingDevices.exe	f634b2b05343731f0245c6123b96bfd3bbb42ffdb247435eae364c0daea83b20.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\SETUPF~1\{AC76B~1\Setup.exe	f634b2b05343731f0245c6123b96bfd3bbb42ffdb247435eae364c0daea83b20.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\INFOPATH.EXE	f634b2b05343731f0245c6123b96bfd3bbb42ffdb247435eae364c0daea83b20.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\POWERPNT.EXE	f634b2b05343731f0245c6123b96bfd3bbb42ffdb247435eae364c0daea83b20.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\VSTO\10.0\VSTOIN~1.EXE	f634b2b05343731f0245c6123b96bfd3bbb42ffdb247435eae364c0daea83b20.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\IECONT~1.EXE	f634b2b05343731f0245c6123b96bfd3bbb42ffdb247435eae364c0daea83b20.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSOHTMED.EXE	f634b2b05343731f0245c6123b96bfd3bbb42ffdb247435eae364c0daea83b20.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSOSYNC.EXE	f634b2b05343731f0245c6123b96bfd3bbb42ffdb247435eae364c0daea83b20.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSTORDB.EXE	f634b2b05343731f0245c6123b96bfd3bbb42ffdb247435eae364c0daea83b20.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\PPTICO.EXE	f634b2b05343731f0245c6123b96bfd3bbb42ffdb247435eae364c0daea83b20.exe

Drops file in Windows directory 1 IoCs

Processes:

f634b2b05343731f0245c6123b96bfd3bbb42ffdb247435eae364c0daea83b20.exe

description ioc process

File opened for modification C:\Windows\svchost.com f634b2b05343731f0245c6123b96bfd3bbb42ffdb247435eae364c0daea83b20.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	f634b2b05343731f0245c6123b96bfd3bbb42ffdb247435eae364c0daea83b20.exe

Modifies registry class 1 IoCs

Processes:

f634b2b05343731f0245c6123b96bfd3bbb42ffdb247435eae364c0daea83b20.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Windows\\svchost.com \"%1\" %*"	f634b2b05343731f0245c6123b96bfd3bbb42ffdb247435eae364c0daea83b20.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

f634b2b05343731f0245c6123b96bfd3bbb42ffdb247435eae364c0daea83b20.exe

description	pid	process	target process
PID 1648 wrote to memory of 1700	1648	f634b2b05343731f0245c6123b96bfd3bbb42ffdb247435eae364c0daea83b20.exe	f634b2b05343731f0245c6123b96bfd3bbb42ffdb247435eae364c0daea83b20.exe
PID 1648 wrote to memory of 1700	1648	f634b2b05343731f0245c6123b96bfd3bbb42ffdb247435eae364c0daea83b20.exe	f634b2b05343731f0245c6123b96bfd3bbb42ffdb247435eae364c0daea83b20.exe
PID 1648 wrote to memory of 1700	1648	f634b2b05343731f0245c6123b96bfd3bbb42ffdb247435eae364c0daea83b20.exe	f634b2b05343731f0245c6123b96bfd3bbb42ffdb247435eae364c0daea83b20.exe
PID 1648 wrote to memory of 1700	1648	f634b2b05343731f0245c6123b96bfd3bbb42ffdb247435eae364c0daea83b20.exe	f634b2b05343731f0245c6123b96bfd3bbb42ffdb247435eae364c0daea83b20.exe

C:\Users\Admin\AppData\Local\Temp\f634b2b05343731f0245c6123b96bfd3bbb42ffdb247435eae364c0daea83b20.exe
"C:\Users\Admin\AppData\Local\Temp\f634b2b05343731f0245c6123b96bfd3bbb42ffdb247435eae364c0daea83b20.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:1648

C:\Users\Admin\AppData\Local\Temp\3582-490\f634b2b05343731f0245c6123b96bfd3bbb42ffdb247435eae364c0daea83b20.exe
"C:\Users\Admin\AppData\Local\Temp\3582-490\f634b2b05343731f0245c6123b96bfd3bbb42ffdb247435eae364c0daea83b20.exe"
2⤵
- Executes dropped EXE
PID:1700

MITRE ATT&CK Matrix ATT&CK 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

Exfiltration

Command and Control

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\3582-490\f634b2b05343731f0245c6123b96bfd3bbb42ffdb247435eae364c0daea83b20.exe
Filesize
43KB

MD5
d5f643830b84d214156c1b35432cfdd8

SHA1
eb7c2c0714fb3f3c48c04c3a033b92cc9cbdbf4d

SHA256
9e6f23622f1582c048c06413d01cbc606b16ce33592ca0a35cfe6cd6e8a2b076

SHA512
c1ae7f77ab84f63976296c80cefba7bc6451a433e34b9ef891784006778b2f24b480b61b9475f4de425edb12674f1cf5326ba648e72976b505c4264736d24bcc

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\f634b2b05343731f0245c6123b96bfd3bbb42ffdb247435eae364c0daea83b20.exe
Filesize
43KB

MD5
d5f643830b84d214156c1b35432cfdd8

SHA1
eb7c2c0714fb3f3c48c04c3a033b92cc9cbdbf4d

SHA256
9e6f23622f1582c048c06413d01cbc606b16ce33592ca0a35cfe6cd6e8a2b076

SHA512
c1ae7f77ab84f63976296c80cefba7bc6451a433e34b9ef891784006778b2f24b480b61b9475f4de425edb12674f1cf5326ba648e72976b505c4264736d24bcc

Download Submit
\Users\Admin\AppData\Local\Temp\3582-490\f634b2b05343731f0245c6123b96bfd3bbb42ffdb247435eae364c0daea83b20.exe
Filesize
43KB

MD5
d5f643830b84d214156c1b35432cfdd8

SHA1
eb7c2c0714fb3f3c48c04c3a033b92cc9cbdbf4d

SHA256
9e6f23622f1582c048c06413d01cbc606b16ce33592ca0a35cfe6cd6e8a2b076

SHA512
c1ae7f77ab84f63976296c80cefba7bc6451a433e34b9ef891784006778b2f24b480b61b9475f4de425edb12674f1cf5326ba648e72976b505c4264736d24bcc

Download Submit
memory/1648-54-0x00000000764C1000-0x00000000764C3000-memory.dmp

Filesize
8KB

Download
memory/1700-57-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

Loading Replay Monitor...

Downloads