neshta | 5006f7e335419bd53914bc920c975c869f3e34dff6578d89fb5efa2ec5780ea5

General

Target

Microsoft offic-.exe
Size

593KB
MD5

8b7f1dcf0caf3efffc01533c96a74549
SHA1

09b79e350615e6c7e0a233adc626f0cf738dac80
SHA256

d8dfcdaa950d6281082e4c0949da37172edf53b51f8403b1d07cfcb4325e9432
SHA512

6740e42db205e9213d49096dbc9578083d5c02bd22c617cd254cfbc0a30dc44a31eed3d643380d16a3280bcc5c911234e157b6b040b319537a4b42092a14aacc

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:

Microsoft offic-.exe

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

Neshta
Malware from the neshta family is designed to infect itself into other files to spread itself and cause damage.
persistence spyware neshta
Loads dropped DLL 1 IoCs

Processes:

Microsoft offic-.exe

pid process

2876 Microsoft offic-.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

pid	process
2876	Microsoft offic-.exe

Drops file in Program Files directory 53 IoCs

Processes:

Microsoft offic-.exe

description	ioc	process
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\WOW_HE~1.EXE	Microsoft offic-.exe
File opened for modification	C:\PROGRA~2\WINDOW~2\wabmig.exe	Microsoft offic-.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmplayer.exe	Microsoft offic-.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\MSInfo\msinfo32.exe	Microsoft offic-.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.71\GOOGLE~1.EXE	Microsoft offic-.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\READER~1.EXE	Microsoft offic-.exe
File opened for modification	C:\PROGRA~2\COMMON~1\Adobe\ARM\1.0\AdobeARM.exe	Microsoft offic-.exe
File opened for modification	C:\PROGRA~2\COMMON~1\Adobe\ARM\1.0\armsvc.exe	Microsoft offic-.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmprph.exe	Microsoft offic-.exe
File opened for modification	C:\PROGRA~3\MICROS~1\CLICKT~1\{9AC08~1\INTEGR~1.EXE	Microsoft offic-.exe
File opened for modification	C:\PROGRA~2\MOZILL~1\MAINTE~1.EXE	Microsoft offic-.exe
File opened for modification	C:\PROGRA~2\WINDOW~2\wab.exe	Microsoft offic-.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmpconfig.exe	Microsoft offic-.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{CA675~1\VCREDI~1.EXE	Microsoft offic-.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\AcroCEF\RdrCEF.exe	Microsoft offic-.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\plug_ins\PI_BRO~1\64BITM~1.EXE	Microsoft offic-.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\VSTO\10.0\VSTOIN~1.EXE	Microsoft offic-.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.71\GOOGLE~4.EXE	Microsoft offic-.exe
File opened for modification	C:\PROGRA~2\INTERN~1\ielowutil.exe	Microsoft offic-.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.71\GO664E~1.EXE	Microsoft offic-.exe
File opened for modification	C:\PROGRA~2\WI8A19~1\ImagingDevices.exe	Microsoft offic-.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{F4220~1\VC_RED~1.EXE	Microsoft offic-.exe
File opened for modification	C:\PROGRA~2\COMMON~1\Java\JAVAUP~1\jaureg.exe	Microsoft offic-.exe
File opened for modification	C:\PROGRA~2\COMMON~1\Java\JAVAUP~1\jucheck.exe	Microsoft offic-.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.71\GOOGLE~3.EXE	Microsoft offic-.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.71\GOBD5D~1.EXE	Microsoft offic-.exe
File opened for modification	C:\PROGRA~2\WINDOW~2\WinMail.exe	Microsoft offic-.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\ACROBR~1.EXE	Microsoft offic-.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\Eula.exe	Microsoft offic-.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\FULLTR~1.EXE	Microsoft offic-.exe
File opened for modification	C:\PROGRA~2\INTERN~1\ieinstal.exe	Microsoft offic-.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\ADelRCP.exe	Microsoft offic-.exe
File opened for modification	C:\PROGRA~2\COMMON~1\Adobe\ARM\1.0\ADOBEA~1.EXE	Microsoft offic-.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmpshare.exe	Microsoft offic-.exe
File opened for modification	C:\PROGRA~2\Google\Update\DISABL~1.EXE	Microsoft offic-.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\ADOBEC~1.EXE	Microsoft offic-.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\LOGTRA~1.EXE	Microsoft offic-.exe
File opened for modification	C:\PROGRA~3\Adobe\Setup\{AC76B~1\setup.exe	Microsoft offic-.exe
File opened for modification	C:\PROGRA~2\COMMON~1\Java\JAVAUP~1\jusched.exe	Microsoft offic-.exe
File opened for modification	C:\PROGRA~2\INTERN~1\iexplore.exe	Microsoft offic-.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmlaunch.exe	Microsoft offic-.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\plug_ins\PI_BRO~1\32BITM~1.EXE	Microsoft offic-.exe
File opened for modification	C:\PROGRA~2\INTERN~1\ExtExport.exe	Microsoft offic-.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{EF6B0~1\VCREDI~1.EXE	Microsoft offic-.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\arh.exe	Microsoft offic-.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.71\GOF5E2~1.EXE	Microsoft offic-.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\AcroRd32.exe	Microsoft offic-.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\ACROTE~1.EXE	Microsoft offic-.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.71\GOOGLE~2.EXE	Microsoft offic-.exe
File opened for modification	C:\PROGRA~2\WINDOW~4\ACCESS~1\wordpad.exe	Microsoft offic-.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\Browser\WCCHRO~1\WCCHRO~1.EXE	Microsoft offic-.exe
File opened for modification	C:\PROGRA~2\MOZILL~1\UNINST~1.EXE	Microsoft offic-.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\setup_wm.exe	Microsoft offic-.exe

Drops file in Windows directory 1 IoCs

Processes:

Microsoft offic-.exe

description ioc process

File opened for modification C:\Windows\svchost.com Microsoft offic-.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	Microsoft offic-.exe

Modifies registry class 1 IoCs

Processes:

Microsoft offic-.exe

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

Suspicious use of WriteProcessMemory 13 IoCs

Processes:

Microsoft offic-.exe

description	pid	process	target process
PID 2876 wrote to memory of 2576	2876	Microsoft offic-.exe	Microsoft offic-.exe
PID 2876 wrote to memory of 2576	2876	Microsoft offic-.exe	Microsoft offic-.exe
PID 2876 wrote to memory of 2576	2876	Microsoft offic-.exe	Microsoft offic-.exe
PID 2876 wrote to memory of 2576	2876	Microsoft offic-.exe	Microsoft offic-.exe
PID 2876 wrote to memory of 2576	2876	Microsoft offic-.exe	Microsoft offic-.exe
PID 2876 wrote to memory of 2576	2876	Microsoft offic-.exe	Microsoft offic-.exe
PID 2876 wrote to memory of 2576	2876	Microsoft offic-.exe	Microsoft offic-.exe
PID 2876 wrote to memory of 2576	2876	Microsoft offic-.exe	Microsoft offic-.exe
PID 2876 wrote to memory of 2576	2876	Microsoft offic-.exe	Microsoft offic-.exe
PID 2876 wrote to memory of 2576	2876	Microsoft offic-.exe	Microsoft offic-.exe
PID 2876 wrote to memory of 2576	2876	Microsoft offic-.exe	Microsoft offic-.exe
PID 2876 wrote to memory of 2576	2876	Microsoft offic-.exe	Microsoft offic-.exe
PID 2876 wrote to memory of 2576	2876	Microsoft offic-.exe	Microsoft offic-.exe

C:\Users\Admin\AppData\Local\Temp\Microsoft offic-.exe
"C:\Users\Admin\AppData\Local\Temp\Microsoft offic-.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2876

C:\Users\Admin\AppData\Local\Temp\Microsoft offic-.exe
"C:\Users\Admin\AppData\Local\Temp\Microsoft offic-.exe"
2⤵
- Modifies system executable filetype association
- Drops file in Program Files directory
- Drops file in Windows directory
- Modifies registry class
PID:2576

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

\Users\Admin\AppData\Local\Temp\nsdBF5A.tmp\rxpi.dll
MD5
6ebffeb2812e913df7262e74fe4b2f7d

SHA1
f04982defc13557dc1fd684b5f34ec6286f90ddb

SHA256
c70307f6d22b328d15c33546d9c79dcb32fbb277b13fec0886962ce43adf8b54

SHA512
d81ec401c2f50f7416b255f0a4c674fb07999aacac9dd1163035e475d586cceadd21e9e0114371d173fdf5e23ba8093a4a0bc8287dd907b779dea46aa678d9a6

Download Submit
memory/2576-120-0x00000000001D0000-0x00000000001EB000-memory.dmp

Filesize
108KB

Download
memory/2576-119-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads