neshta | 64a2f51c7b24a5c6d0525d426e5b57b5d3d1f8127163d106c829b371a64f735e

General

Target

64a2f51c7b24a5c6d0525d426e5b57b5d3d1f8127163d106c829b371a64f735e.exe
Size

656KB
MD5

519614598f0faba5ea1ddfc8b2c9dbc0
SHA1

83d1ca9ba7540efc5f44adbdfcc13ea0f652024c
SHA256

64a2f51c7b24a5c6d0525d426e5b57b5d3d1f8127163d106c829b371a64f735e
SHA512

235fd1c301b4e6115583bcbb4d7f6eb29daa6f0b26fe49d30b4369bd4c059d0395ba5f7e321b92192e1cfa442724f32e61ee2d5929ff52430ee24ebf051a6a56
SSDEEP

12288:g3BBb77zE1EE6JnkpO1y+sb9SKBD7PISmIsRJQFS9YoSQ+kz:gD2xG4+sYKN7PISmIYQFS9h+kz

Score

10^/10

neshta persistence spyware stealer upx

Malware Config

Signatures

Modifies system executable filetype association 2 TTPs 1 IoCs

persistence

Modify Registry

T1112

Change Default File Association

T1042

Processes:

64a2f51c7b24a5c6d0525d426e5b57b5d3d1f8127163d106c829b371a64f735e.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Windows\\svchost.com \"%1\" %*"	64a2f51c7b24a5c6d0525d426e5b57b5d3d1f8127163d106c829b371a64f735e.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:

64a2f51c7b24a5c6d0525d426e5b57b5d3d1f8127163d106c829b371a64f735e.exe

pid process

1540 64a2f51c7b24a5c6d0525d426e5b57b5d3d1f8127163d106c829b371a64f735e.exe

pid	process
1540	64a2f51c7b24a5c6d0525d426e5b57b5d3d1f8127163d106c829b371a64f735e.exe

UPX packed file 4 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

Processes:

resource	yara_rule
\Users\Admin\AppData\Local\Temp\3582-490\64a2f51c7b24a5c6d0525d426e5b57b5d3d1f8127163d106c829b371a64f735e.exe	upx
C:\Users\Admin\AppData\Local\Temp\3582-490\64a2f51c7b24a5c6d0525d426e5b57b5d3d1f8127163d106c829b371a64f735e.exe	upx
behavioral1/memory/1540-61-0x0000000000400000-0x000000000058F000-memory.dmp	upx
behavioral1/memory/1540-62-0x0000000000400000-0x000000000058F000-memory.dmp	upx

Loads dropped DLL 2 IoCs

Processes:

64a2f51c7b24a5c6d0525d426e5b57b5d3d1f8127163d106c829b371a64f735e.exe

pid	process
1708	64a2f51c7b24a5c6d0525d426e5b57b5d3d1f8127163d106c829b371a64f735e.exe
1708	64a2f51c7b24a5c6d0525d426e5b57b5d3d1f8127163d106c829b371a64f735e.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:

64a2f51c7b24a5c6d0525d426e5b57b5d3d1f8127163d106c829b371a64f735e.exe

description	ioc	process
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\ACROBR~1.EXE	64a2f51c7b24a5c6d0525d426e5b57b5d3d1f8127163d106c829b371a64f735e.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\EQUATION\EQNEDT32.EXE	64a2f51c7b24a5c6d0525d426e5b57b5d3d1f8127163d106c829b371a64f735e.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSTORDB.EXE	64a2f51c7b24a5c6d0525d426e5b57b5d3d1f8127163d106c829b371a64f735e.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\ONENOTE.EXE	64a2f51c7b24a5c6d0525d426e5b57b5d3d1f8127163d106c829b371a64f735e.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\OFFICE~1\Setup.exe	64a2f51c7b24a5c6d0525d426e5b57b5d3d1f8127163d106c829b371a64f735e.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\PPTICO.EXE	64a2f51c7b24a5c6d0525d426e5b57b5d3d1f8127163d106c829b371a64f735e.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\WINWORD.EXE	64a2f51c7b24a5c6d0525d426e5b57b5d3d1f8127163d106c829b371a64f735e.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{CA675~1\VCREDI~1.EXE	64a2f51c7b24a5c6d0525d426e5b57b5d3d1f8127163d106c829b371a64f735e.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\FLTLDR.EXE	64a2f51c7b24a5c6d0525d426e5b57b5d3d1f8127163d106c829b371a64f735e.exe
File opened for modification	C:\PROGRA~2\Google\Update\DISABL~1.EXE	64a2f51c7b24a5c6d0525d426e5b57b5d3d1f8127163d106c829b371a64f735e.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\BCSSync.exe	64a2f51c7b24a5c6d0525d426e5b57b5d3d1f8127163d106c829b371a64f735e.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\OIS.EXE	64a2f51c7b24a5c6d0525d426e5b57b5d3d1f8127163d106c829b371a64f735e.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmpconfig.exe	64a2f51c7b24a5c6d0525d426e5b57b5d3d1f8127163d106c829b371a64f735e.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{33D1F~1\VCREDI~1.EXE	64a2f51c7b24a5c6d0525d426e5b57b5d3d1f8127163d106c829b371a64f735e.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\MSInfo\msinfo32.exe	64a2f51c7b24a5c6d0525d426e5b57b5d3d1f8127163d106c829b371a64f735e.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.71\GOOGLE~4.EXE	64a2f51c7b24a5c6d0525d426e5b57b5d3d1f8127163d106c829b371a64f735e.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\misc.exe	64a2f51c7b24a5c6d0525d426e5b57b5d3d1f8127163d106c829b371a64f735e.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSOSYNC.EXE	64a2f51c7b24a5c6d0525d426e5b57b5d3d1f8127163d106c829b371a64f735e.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\setup_wm.exe	64a2f51c7b24a5c6d0525d426e5b57b5d3d1f8127163d106c829b371a64f735e.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\ADOBEC~1.EXE	64a2f51c7b24a5c6d0525d426e5b57b5d3d1f8127163d106c829b371a64f735e.exe
File opened for modification	C:\PROGRA~2\WINDOW~1\wab.exe	64a2f51c7b24a5c6d0525d426e5b57b5d3d1f8127163d106c829b371a64f735e.exe
File opened for modification	C:\PROGRA~2\WINDOW~4\ImagingDevices.exe	64a2f51c7b24a5c6d0525d426e5b57b5d3d1f8127163d106c829b371a64f735e.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSQRY32.EXE	64a2f51c7b24a5c6d0525d426e5b57b5d3d1f8127163d106c829b371a64f735e.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\LOGTRA~1.EXE	64a2f51c7b24a5c6d0525d426e5b57b5d3d1f8127163d106c829b371a64f735e.exe
File opened for modification	C:\PROGRA~2\COMMON~1\Adobe\Updater6\ADOBEU~1.EXE	64a2f51c7b24a5c6d0525d426e5b57b5d3d1f8127163d106c829b371a64f735e.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\DW\DW20.EXE	64a2f51c7b24a5c6d0525d426e5b57b5d3d1f8127163d106c829b371a64f735e.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.71\GOBD5D~1.EXE	64a2f51c7b24a5c6d0525d426e5b57b5d3d1f8127163d106c829b371a64f735e.exe
File opened for modification	C:\PROGRA~2\INTERN~1\ielowutil.exe	64a2f51c7b24a5c6d0525d426e5b57b5d3d1f8127163d106c829b371a64f735e.exe
File opened for modification	C:\PROGRA~2\INTERN~1\iexplore.exe	64a2f51c7b24a5c6d0525d426e5b57b5d3d1f8127163d106c829b371a64f735e.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\1033\ONELEV.EXE	64a2f51c7b24a5c6d0525d426e5b57b5d3d1f8127163d106c829b371a64f735e.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\NAMECO~1.EXE	64a2f51c7b24a5c6d0525d426e5b57b5d3d1f8127163d106c829b371a64f735e.exe
File opened for modification	C:\PROGRA~2\COMMON~1\ADOBEA~1\Versions\1.0\ADOBEA~1.EXE	64a2f51c7b24a5c6d0525d426e5b57b5d3d1f8127163d106c829b371a64f735e.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\MSOICONS.EXE	64a2f51c7b24a5c6d0525d426e5b57b5d3d1f8127163d106c829b371a64f735e.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\MSOXMLED.EXE	64a2f51c7b24a5c6d0525d426e5b57b5d3d1f8127163d106c829b371a64f735e.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\Oarpmany.exe	64a2f51c7b24a5c6d0525d426e5b57b5d3d1f8127163d106c829b371a64f735e.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\OFFICE~1\ODeploy.exe	64a2f51c7b24a5c6d0525d426e5b57b5d3d1f8127163d106c829b371a64f735e.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\SELFCERT.EXE	64a2f51c7b24a5c6d0525d426e5b57b5d3d1f8127163d106c829b371a64f735e.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\A3DUTI~1.EXE	64a2f51c7b24a5c6d0525d426e5b57b5d3d1f8127163d106c829b371a64f735e.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\SETUPF~1\{AC76B~1\Setup.exe	64a2f51c7b24a5c6d0525d426e5b57b5d3d1f8127163d106c829b371a64f735e.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\DW\DWTRIG20.EXE	64a2f51c7b24a5c6d0525d426e5b57b5d3d1f8127163d106c829b371a64f735e.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.71\GOF5E2~1.EXE	64a2f51c7b24a5c6d0525d426e5b57b5d3d1f8127163d106c829b371a64f735e.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\CLVIEW.EXE	64a2f51c7b24a5c6d0525d426e5b57b5d3d1f8127163d106c829b371a64f735e.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSOHTMED.EXE	64a2f51c7b24a5c6d0525d426e5b57b5d3d1f8127163d106c829b371a64f735e.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\VPREVIEW.EXE	64a2f51c7b24a5c6d0525d426e5b57b5d3d1f8127163d106c829b371a64f735e.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\IECONT~1.EXE	64a2f51c7b24a5c6d0525d426e5b57b5d3d1f8127163d106c829b371a64f735e.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\WORDICON.EXE	64a2f51c7b24a5c6d0525d426e5b57b5d3d1f8127163d106c829b371a64f735e.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmpshare.exe	64a2f51c7b24a5c6d0525d426e5b57b5d3d1f8127163d106c829b371a64f735e.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\Eula.exe	64a2f51c7b24a5c6d0525d426e5b57b5d3d1f8127163d106c829b371a64f735e.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\ink\mip.exe	64a2f51c7b24a5c6d0525d426e5b57b5d3d1f8127163d106c829b371a64f735e.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.71\GOOGLE~3.EXE	64a2f51c7b24a5c6d0525d426e5b57b5d3d1f8127163d106c829b371a64f735e.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.71\GOOGLE~2.EXE	64a2f51c7b24a5c6d0525d426e5b57b5d3d1f8127163d106c829b371a64f735e.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\GRAPH.EXE	64a2f51c7b24a5c6d0525d426e5b57b5d3d1f8127163d106c829b371a64f735e.exe
File opened for modification	C:\PROGRA~2\MOZILL~1\UNINST~1.EXE	64a2f51c7b24a5c6d0525d426e5b57b5d3d1f8127163d106c829b371a64f735e.exe
File opened for modification	C:\PROGRA~2\WINDOW~1\wabmig.exe	64a2f51c7b24a5c6d0525d426e5b57b5d3d1f8127163d106c829b371a64f735e.exe
File opened for modification	C:\PROGRA~2\WI4223~1\sidebar.exe	64a2f51c7b24a5c6d0525d426e5b57b5d3d1f8127163d106c829b371a64f735e.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmlaunch.exe	64a2f51c7b24a5c6d0525d426e5b57b5d3d1f8127163d106c829b371a64f735e.exe
File opened for modification	C:\PROGRA~2\Adobe\READER~1.0\Reader\AcroRd32.exe	64a2f51c7b24a5c6d0525d426e5b57b5d3d1f8127163d106c829b371a64f735e.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\OFFICE14\LICLUA.EXE	64a2f51c7b24a5c6d0525d426e5b57b5d3d1f8127163d106c829b371a64f735e.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\SOURCE~1\OSE.EXE	64a2f51c7b24a5c6d0525d426e5b57b5d3d1f8127163d106c829b371a64f735e.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\VSTO\10.0\VSTOIN~1.EXE	64a2f51c7b24a5c6d0525d426e5b57b5d3d1f8127163d106c829b371a64f735e.exe
File opened for modification	C:\PROGRA~2\INTERN~1\ieinstal.exe	64a2f51c7b24a5c6d0525d426e5b57b5d3d1f8127163d106c829b371a64f735e.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\INFOPATH.EXE	64a2f51c7b24a5c6d0525d426e5b57b5d3d1f8127163d106c829b371a64f735e.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Office14\MSOUC.EXE	64a2f51c7b24a5c6d0525d426e5b57b5d3d1f8127163d106c829b371a64f735e.exe
File opened for modification	C:\PROGRA~2\WINDOW~2\ACCESS~1\wordpad.exe	64a2f51c7b24a5c6d0525d426e5b57b5d3d1f8127163d106c829b371a64f735e.exe

Drops file in Windows directory 1 IoCs

Processes:

64a2f51c7b24a5c6d0525d426e5b57b5d3d1f8127163d106c829b371a64f735e.exe

description ioc process

File opened for modification C:\Windows\svchost.com 64a2f51c7b24a5c6d0525d426e5b57b5d3d1f8127163d106c829b371a64f735e.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	64a2f51c7b24a5c6d0525d426e5b57b5d3d1f8127163d106c829b371a64f735e.exe

Modifies registry class 1 IoCs

Processes:

64a2f51c7b24a5c6d0525d426e5b57b5d3d1f8127163d106c829b371a64f735e.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Windows\\svchost.com \"%1\" %*"	64a2f51c7b24a5c6d0525d426e5b57b5d3d1f8127163d106c829b371a64f735e.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

64a2f51c7b24a5c6d0525d426e5b57b5d3d1f8127163d106c829b371a64f735e.exe

description	pid	process	target process
PID 1708 wrote to memory of 1540	1708	64a2f51c7b24a5c6d0525d426e5b57b5d3d1f8127163d106c829b371a64f735e.exe	64a2f51c7b24a5c6d0525d426e5b57b5d3d1f8127163d106c829b371a64f735e.exe
PID 1708 wrote to memory of 1540	1708	64a2f51c7b24a5c6d0525d426e5b57b5d3d1f8127163d106c829b371a64f735e.exe	64a2f51c7b24a5c6d0525d426e5b57b5d3d1f8127163d106c829b371a64f735e.exe
PID 1708 wrote to memory of 1540	1708	64a2f51c7b24a5c6d0525d426e5b57b5d3d1f8127163d106c829b371a64f735e.exe	64a2f51c7b24a5c6d0525d426e5b57b5d3d1f8127163d106c829b371a64f735e.exe
PID 1708 wrote to memory of 1540	1708	64a2f51c7b24a5c6d0525d426e5b57b5d3d1f8127163d106c829b371a64f735e.exe	64a2f51c7b24a5c6d0525d426e5b57b5d3d1f8127163d106c829b371a64f735e.exe

C:\Users\Admin\AppData\Local\Temp\64a2f51c7b24a5c6d0525d426e5b57b5d3d1f8127163d106c829b371a64f735e.exe
"C:\Users\Admin\AppData\Local\Temp\64a2f51c7b24a5c6d0525d426e5b57b5d3d1f8127163d106c829b371a64f735e.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:1708

C:\Users\Admin\AppData\Local\Temp\3582-490\64a2f51c7b24a5c6d0525d426e5b57b5d3d1f8127163d106c829b371a64f735e.exe
"C:\Users\Admin\AppData\Local\Temp\3582-490\64a2f51c7b24a5c6d0525d426e5b57b5d3d1f8127163d106c829b371a64f735e.exe"
2⤵
- Executes dropped EXE
PID:1540

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

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\3582-490\64a2f51c7b24a5c6d0525d426e5b57b5d3d1f8127163d106c829b371a64f735e.exe

Filesize
615KB

MD5
4e4fecd521ae80d05c4bbda0b07aeb68

SHA1
977cf795fe840a8e9b83fed8157cd968ade4bf56

SHA256
2cf21505fbf0ddad97fb3d64021a47c745aa5a0eeb1cb5bab723a7a979ada9d2

SHA512
98c2005e2bc6b486aa91cdaa78f015dfda29cd2f2ec13da764674383d1bcb7033c4888fa65fa3f1599977a91a72f0c80130bc3e438f7a8b0006cc774ab509020

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\64a2f51c7b24a5c6d0525d426e5b57b5d3d1f8127163d106c829b371a64f735e.exe

Filesize
615KB

MD5
4e4fecd521ae80d05c4bbda0b07aeb68

SHA1
977cf795fe840a8e9b83fed8157cd968ade4bf56

SHA256
2cf21505fbf0ddad97fb3d64021a47c745aa5a0eeb1cb5bab723a7a979ada9d2

SHA512
98c2005e2bc6b486aa91cdaa78f015dfda29cd2f2ec13da764674383d1bcb7033c4888fa65fa3f1599977a91a72f0c80130bc3e438f7a8b0006cc774ab509020

Download Submit
memory/1540-56-0x0000000000000000-mapping.dmp

Download
memory/1540-61-0x0000000000400000-0x000000000058F000-memory.dmp

Filesize
1.6MB

Download
memory/1540-62-0x0000000000400000-0x000000000058F000-memory.dmp

Filesize
1.6MB

Download
memory/1708-54-0x0000000075111000-0x0000000075113000-memory.dmp

Filesize
8KB

Download
memory/1708-60-0x0000000002520000-0x00000000026AF000-memory.dmp

Filesize
1.6MB

Download
memory/1708-63-0x0000000002520000-0x00000000026AF000-memory.dmp

Filesize
1.6MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads