neshta | 5521410a48148459362ab36b0fad3e61b1ca9b674339476eac02381ffbc04aa2

Analysis

max time kernel
151s
max time network
152s
platform
windows10_x64
resource
win10v20210408
submitted
23-09-2021 13:08

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General

Target

09876523456789.exe
Size

926KB
MD5

b8cdebc24a5ab6241373ae3bcc7d3053
SHA1

bb17815265e215c6de61489aca8019bb5ae473e0
SHA256

5521410a48148459362ab36b0fad3e61b1ca9b674339476eac02381ffbc04aa2
SHA512

b57809010853fce4520d4f0a144c5827f07e0105da22814480472d2d147006712867fcaead42e3aabaf88592344dad2ddca9771a5a616a105253cb5cd8b949e8

Score

10^/10

neshta xmrig evasion miner persistence spyware stealer

Malware Config

Signatures

Detect Neshta Payload 1 IoCs

Processes:

resource	yara_rule
C:\Users\Admin\AppData\Roaming\mrsys.exe	family_neshta

Modifies WinLogon for persistence 2 TTPs 2 IoCs

persistence

Winlogon Helper DLL

T1004

Modify Registry

T1112

Processes:

explorer.exesvchost.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\shell = "C:\\Windows\\explorer.exe, c:\\windows\\system\\explorer.exe"	explorer.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\shell = "C:\\Windows\\explorer.exe, c:\\windows\\system\\explorer.exe"	svchost.exe

Modifies system executable filetype association 2 TTPs 1 IoCs

persistence

Modify Registry

T1112

Change Default File Association

T1042

Processes:

09876523456789.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Windows\\svchost.com \"%1\" %*"	09876523456789.exe

Modifies visiblity of hidden/system files in Explorer 2 TTPs
evasion

Hidden Files and Directories
T1158

Modify Registry
T1112
Neshta
Malware from the neshta family is designed to infect itself into other files to spread itself and cause damage.
persistence spyware neshta
xmrig
XMRig is a high performance, open source, cross platform CPU/GPU miner.
miner xmrig

Executes dropped EXE 8 IoCs

Processes:

09876523456789.exe09876523456789.exe 09876523456789.exe icsys.icn.exeexplorer.exespoolsv.exesvchost.exespoolsv.exe

pid	process
384	09876523456789.exe
1196	09876523456789.exe
1452	09876523456789.exe
1588	icsys.icn.exe
1940	explorer.exe
2364	spoolsv.exe
2628	svchost.exe
3000	spoolsv.exe

Modifies Installed Components in the registry 2 TTPs
persistence

Registry Run Keys / Startup Folder
T1060

Modify Registry
T1112
Loads dropped DLL 1 IoCs

Processes:

09876523456789.exe

pid process

1196 09876523456789.exe
Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081
Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081
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
1196	09876523456789.exe

Adds Run key to start application 2 TTPs 6 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

explorer.exesvchost.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce\Explorer = "c:\\windows\\system\\explorer.exe RO"	explorer.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce\Svchost = "c:\\windows\\system\\svchost.exe RO"	explorer.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce	svchost.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce\Explorer = "c:\\windows\\system\\explorer.exe RO"	svchost.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce\Svchost = "c:\\windows\\system\\svchost.exe RO"	svchost.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce	explorer.exe

Drops desktop.ini file(s) 2 IoCs

Processes:

09876523456789.exe

description	ioc	process
File created	C:\Windows\assembly\Desktop.ini	09876523456789.exe
File opened for modification	C:\Windows\assembly\Desktop.ini	09876523456789.exe

Looks up external IP address via web service 3 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.

Processes:

flow ioc

2 checkip.dyndns.org
4 freegeoip.app
5 freegeoip.app
Suspicious use of SetThreadContext 1 IoCs

Processes:

09876523456789.exe

description pid process target process

PID 1196 set thread context of 1452 1196 09876523456789.exe 09876523456789.exe

flow	ioc
2	checkip.dyndns.org
4	freegeoip.app
5	freegeoip.app

description	pid	process	target process
PID 1196 set thread context of 1452	1196	09876523456789.exe	09876523456789.exe

Drops file in Program Files directory 55 IoCs

Processes:

09876523456789.exe

description	ioc	process
File opened for modification	C:\PROGRA~2\Google\Update\1335~1.452\GO664E~1.EXE	09876523456789.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\plug_ins\PI_BRO~1\64BITM~1.EXE	09876523456789.exe
File opened for modification	C:\PROGRA~2\Google\Update\1335~1.452\GOBD5D~1.EXE	09876523456789.exe
File opened for modification	C:\PROGRA~2\Google\Update\1335~1.452\GOOGLE~2.EXE	09876523456789.exe
File opened for modification	C:\PROGRA~2\Google\Update\1335~1.452\GOF5E2~1.EXE	09876523456789.exe
File opened for modification	C:\PROGRA~2\Google\Update\DISABL~1.EXE	09876523456789.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmpconfig.exe	09876523456789.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmplayer.exe	09876523456789.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{CA675~1\VCREDI~1.EXE	09876523456789.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\LOGTRA~1.EXE	09876523456789.exe
File opened for modification	C:\PROGRA~2\WI8A19~1\ImagingDevices.exe	09876523456789.exe
File opened for modification	C:\PROGRA~2\COMMON~1\Java\JAVAUP~1\jaureg.exe	09876523456789.exe
File opened for modification	C:\PROGRA~2\Google\Update\1335~1.452\GOOGLE~4.EXE	09876523456789.exe
File opened for modification	C:\PROGRA~2\Google\Temp\GUM18A1.tmp\GOFB2B~1.EXE	09876523456789.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmlaunch.exe	09876523456789.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\AcroRd32.exe	09876523456789.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\WOW_HE~1.EXE	09876523456789.exe
File opened for modification	C:\PROGRA~2\INTERN~1\ielowutil.exe	09876523456789.exe
File opened for modification	C:\PROGRA~2\WINDOW~4\ACCESS~1\wordpad.exe	09876523456789.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\ACROBR~1.EXE	09876523456789.exe
File opened for modification	C:\PROGRA~2\COMMON~1\Adobe\ARM\1.0\AdobeARM.exe	09876523456789.exe
File opened for modification	C:\PROGRA~2\COMMON~1\Adobe\ARM\1.0\ADOBEA~1.EXE	09876523456789.exe
File opened for modification	C:\PROGRA~2\Google\Update\1335~1.452\GOFB2B~1.EXE	09876523456789.exe
File opened for modification	C:\PROGRA~2\WINDOW~2\WinMail.exe	09876523456789.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\Eula.exe	09876523456789.exe
File opened for modification	C:\PROGRA~2\COMMON~1\Java\JAVAUP~1\jusched.exe	09876523456789.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\MSInfo\msinfo32.exe	09876523456789.exe
File opened for modification	C:\PROGRA~2\INTERN~1\ExtExport.exe	09876523456789.exe
File opened for modification	C:\PROGRA~3\MICROS~1\CLICKT~1\{9AC08~1\INTEGR~1.EXE	09876523456789.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\READER~1.EXE	09876523456789.exe
File opened for modification	C:\PROGRA~2\Google\Update\1335~1.452\GOOGLE~3.EXE	09876523456789.exe
File opened for modification	C:\PROGRA~2\Google\Update\1335~1.452\GOOGLE~1.EXE	09876523456789.exe
File opened for modification	C:\PROGRA~2\MOZILL~1\UNINST~1.EXE	09876523456789.exe
File opened for modification	C:\PROGRA~3\Adobe\Setup\{AC76B~1\setup.exe	09876523456789.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{F4220~1\VC_RED~1.EXE	09876523456789.exe
File opened for modification	C:\PROGRA~2\COMMON~1\Java\JAVAUP~1\jucheck.exe	09876523456789.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\arh.exe	09876523456789.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\ACROTE~1.EXE	09876523456789.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\Browser\WCCHRO~1\WCCHRO~1.EXE	09876523456789.exe
File opened for modification	C:\PROGRA~2\INTERN~1\ieinstal.exe	09876523456789.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\AcroCEF\RdrCEF.exe	09876523456789.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmprph.exe	09876523456789.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\plug_ins\PI_BRO~1\32BITM~1.EXE	09876523456789.exe
File opened for modification	C:\PROGRA~2\WINDOW~2\wabmig.exe	09876523456789.exe
File opened for modification	C:\PROGRA~2\INTERN~1\iexplore.exe	09876523456789.exe
File opened for modification	C:\PROGRA~2\COMMON~1\Adobe\ARM\1.0\armsvc.exe	09876523456789.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\VSTO\10.0\VSTOIN~1.EXE	09876523456789.exe
File opened for modification	C:\PROGRA~2\MOZILL~1\MAINTE~1.EXE	09876523456789.exe
File opened for modification	C:\PROGRA~2\WINDOW~2\wab.exe	09876523456789.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\setup_wm.exe	09876523456789.exe
File opened for modification	C:\PROGRA~2\WI54FB~1\wmpshare.exe	09876523456789.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\ADOBEC~1.EXE	09876523456789.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\FULLTR~1.EXE	09876523456789.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{EF6B0~1\VCREDI~1.EXE	09876523456789.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\ADelRCP.exe	09876523456789.exe

Drops file in Windows directory 10 IoCs

Processes:

explorer.exesvchost.exe09876523456789.exe 09876523456789.exeicsys.icn.exespoolsv.exe

description	ioc	process
File opened for modification	\??\c:\windows\system\spoolsv.exe	explorer.exe
File opened for modification	\??\c:\windows\system\svchost.exe	svchost.exe
File created	C:\Windows\assembly\Desktop.ini	09876523456789.exe
File opened for modification	C:\Windows\system\udsys.exe	explorer.exe
File opened for modification	C:\Windows\svchost.com	09876523456789.exe
File opened for modification	\??\c:\windows\system\explorer.exe	icsys.icn.exe
File opened for modification	\??\c:\windows\system\svchost.exe	spoolsv.exe
File opened for modification	\??\c:\windows\system\explorer.exe	explorer.exe
File opened for modification	C:\Windows\assembly	09876523456789.exe
File opened for modification	C:\Windows\assembly\Desktop.ini	09876523456789.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

NSIS installer 8 IoCs

installer

Processes:

resource	yara_rule
C:\Users\Admin\AppData\Local\Temp\3582-490\09876523456789.exe	nsis_installer_2
C:\Users\Admin\AppData\Local\Temp\3582-490\09876523456789.exe	nsis_installer_2
C:\Users\Admin\AppData\Local\Temp\3582-490\09876523456789.exe	nsis_installer_1
C:\Users\Admin\AppData\Local\Temp\3582-490\09876523456789.exe	nsis_installer_2
\??\c:\users\admin\appdata\local\temp\3582-490\09876523456789.exe	nsis_installer_1
\??\c:\users\admin\appdata\local\temp\3582-490\09876523456789.exe	nsis_installer_2
C:\Users\Admin\AppData\Local\Temp\3582-490\09876523456789.exe	nsis_installer_1
C:\Users\Admin\AppData\Local\Temp\3582-490\09876523456789.exe	nsis_installer_2

Modifies registry class 1 IoCs

Processes:

09876523456789.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Windows\\svchost.com \"%1\" %*"	09876523456789.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

Processes:

icsys.icn.exeexplorer.exesvchost.exe09876523456789.exe

pid	process
1588	icsys.icn.exe
1588	icsys.icn.exe
1940	explorer.exe
1940	explorer.exe
1940	explorer.exe
1940	explorer.exe
1940	explorer.exe
1940	explorer.exe
1940	explorer.exe
1940	explorer.exe
1940	explorer.exe
1940	explorer.exe
2628	svchost.exe
2628	svchost.exe
2628	svchost.exe
2628	svchost.exe
1940	explorer.exe
1940	explorer.exe
1940	explorer.exe
2628	svchost.exe
1940	explorer.exe
2628	svchost.exe
1452	09876523456789.exe
2628	svchost.exe
2628	svchost.exe
1940	explorer.exe
1940	explorer.exe
1940	explorer.exe
2628	svchost.exe
1940	explorer.exe
2628	svchost.exe
1940	explorer.exe
2628	svchost.exe
1940	explorer.exe
2628	svchost.exe
1940	explorer.exe
2628	svchost.exe
1940	explorer.exe
2628	svchost.exe
1940	explorer.exe
2628	svchost.exe
1940	explorer.exe
2628	svchost.exe
1940	explorer.exe
2628	svchost.exe
1940	explorer.exe
2628	svchost.exe
1940	explorer.exe
2628	svchost.exe
1940	explorer.exe
2628	svchost.exe
2628	svchost.exe
1940	explorer.exe
2628	svchost.exe
1940	explorer.exe
2628	svchost.exe
1940	explorer.exe
2628	svchost.exe
1940	explorer.exe
2628	svchost.exe
1940	explorer.exe
1940	explorer.exe
2628	svchost.exe
1940	explorer.exe

Suspicious behavior: GetForegroundWindowSpam 2 IoCs

Processes:

explorer.exesvchost.exe

pid process

1940 explorer.exe
2628 svchost.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

09876523456789.exe

description pid process

Token: SeDebugPrivilege 1452 09876523456789.exe

pid	process
1940	explorer.exe
2628	svchost.exe

description	pid	process
Token: SeDebugPrivilege	1452	09876523456789.exe

Suspicious use of SetWindowsHookEx 14 IoCs

Processes:

09876523456789.exeicsys.icn.exeexplorer.exespoolsv.exesvchost.exespoolsv.exe

pid	process
384	09876523456789.exe
384	09876523456789.exe
1588	icsys.icn.exe
1588	icsys.icn.exe
1940	explorer.exe
1940	explorer.exe
2364	spoolsv.exe
2364	spoolsv.exe
2628	svchost.exe
2628	svchost.exe
3000	spoolsv.exe
3000	spoolsv.exe
1940	explorer.exe
1940	explorer.exe

Suspicious use of WriteProcessMemory 40 IoCs

Processes:

09876523456789.exe09876523456789.exe09876523456789.exe icsys.icn.exeexplorer.exespoolsv.exesvchost.exe

description	pid	process	target process
PID 808 wrote to memory of 384	808	09876523456789.exe	09876523456789.exe
PID 808 wrote to memory of 384	808	09876523456789.exe	09876523456789.exe
PID 808 wrote to memory of 384	808	09876523456789.exe	09876523456789.exe
PID 384 wrote to memory of 1196	384	09876523456789.exe	09876523456789.exe
PID 384 wrote to memory of 1196	384	09876523456789.exe	09876523456789.exe
PID 384 wrote to memory of 1196	384	09876523456789.exe	09876523456789.exe
PID 1196 wrote to memory of 1452	1196	09876523456789.exe	09876523456789.exe
PID 1196 wrote to memory of 1452	1196	09876523456789.exe	09876523456789.exe
PID 1196 wrote to memory of 1452	1196	09876523456789.exe	09876523456789.exe
PID 1196 wrote to memory of 1452	1196	09876523456789.exe	09876523456789.exe
PID 1196 wrote to memory of 1452	1196	09876523456789.exe	09876523456789.exe
PID 1196 wrote to memory of 1452	1196	09876523456789.exe	09876523456789.exe
PID 1196 wrote to memory of 1452	1196	09876523456789.exe	09876523456789.exe
PID 1196 wrote to memory of 1452	1196	09876523456789.exe	09876523456789.exe
PID 1196 wrote to memory of 1452	1196	09876523456789.exe	09876523456789.exe
PID 1196 wrote to memory of 1452	1196	09876523456789.exe	09876523456789.exe
PID 384 wrote to memory of 1588	384	09876523456789.exe	icsys.icn.exe
PID 384 wrote to memory of 1588	384	09876523456789.exe	icsys.icn.exe
PID 384 wrote to memory of 1588	384	09876523456789.exe	icsys.icn.exe
PID 1588 wrote to memory of 1940	1588	icsys.icn.exe	explorer.exe
PID 1588 wrote to memory of 1940	1588	icsys.icn.exe	explorer.exe
PID 1588 wrote to memory of 1940	1588	icsys.icn.exe	explorer.exe
PID 1940 wrote to memory of 2364	1940	explorer.exe	spoolsv.exe
PID 1940 wrote to memory of 2364	1940	explorer.exe	spoolsv.exe
PID 1940 wrote to memory of 2364	1940	explorer.exe	spoolsv.exe
PID 2364 wrote to memory of 2628	2364	spoolsv.exe	svchost.exe
PID 2364 wrote to memory of 2628	2364	spoolsv.exe	svchost.exe
PID 2364 wrote to memory of 2628	2364	spoolsv.exe	svchost.exe
PID 2628 wrote to memory of 3000	2628	svchost.exe	spoolsv.exe
PID 2628 wrote to memory of 3000	2628	svchost.exe	spoolsv.exe
PID 2628 wrote to memory of 3000	2628	svchost.exe	spoolsv.exe
PID 2628 wrote to memory of 2268	2628	svchost.exe	at.exe
PID 2628 wrote to memory of 2268	2628	svchost.exe	at.exe
PID 2628 wrote to memory of 2268	2628	svchost.exe	at.exe
PID 2628 wrote to memory of 1736	2628	svchost.exe	at.exe
PID 2628 wrote to memory of 1736	2628	svchost.exe	at.exe
PID 2628 wrote to memory of 1736	2628	svchost.exe	at.exe
PID 2628 wrote to memory of 3372	2628	svchost.exe	at.exe
PID 2628 wrote to memory of 3372	2628	svchost.exe	at.exe
PID 2628 wrote to memory of 3372	2628	svchost.exe	at.exe

C:\Users\Admin\AppData\Local\Temp\09876523456789.exe
"C:\Users\Admin\AppData\Local\Temp\09876523456789.exe"
1⤵
- Modifies system executable filetype association
- Drops file in Program Files directory
- Drops file in Windows directory
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:808

C:\Users\Admin\AppData\Local\Temp\3582-490\09876523456789.exe
"C:\Users\Admin\AppData\Local\Temp\3582-490\09876523456789.exe"
2⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:384

\??\c:\users\admin\appdata\local\temp\3582-490\09876523456789.exe
c:\users\admin\appdata\local\temp\3582-490\09876523456789.exe
3⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1196

\??\c:\users\admin\appdata\local\temp\3582-490\09876523456789.exe
c:\users\admin\appdata\local\temp\3582-490\09876523456789.exe
4⤵
- Executes dropped EXE
- Drops desktop.ini file(s)
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1452

C:\Users\Admin\AppData\Local\icsys.icn.exe
C:\Users\Admin\AppData\Local\icsys.icn.exe
3⤵
- Executes dropped EXE
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1588

\??\c:\windows\system\explorer.exe
c:\windows\system\explorer.exe
4⤵
- Modifies WinLogon for persistence
- Executes dropped EXE
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1940

\??\c:\windows\system\spoolsv.exe
c:\windows\system\spoolsv.exe SE
5⤵
- Executes dropped EXE
- Drops file in Windows directory
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2364

\??\c:\windows\system\svchost.exe
c:\windows\system\svchost.exe
6⤵
- Modifies WinLogon for persistence
- Executes dropped EXE
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2628

\??\c:\windows\system\spoolsv.exe
c:\windows\system\spoolsv.exe PR
7⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
PID:3000

C:\Windows\SysWOW64\at.exe
at 15:10 /interactive /every:M,T,W,Th,F,S,Su c:\windows\system\svchost.exe
7⤵
PID:2268

C:\Windows\SysWOW64\at.exe
at 15:11 /interactive /every:M,T,W,Th,F,S,Su c:\windows\system\svchost.exe
7⤵
PID:1736

C:\Windows\SysWOW64\at.exe
at 15:12 /interactive /every:M,T,W,Th,F,S,Su c:\windows\system\svchost.exe
7⤵
PID:3372

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Change Default File Association

T1042

Hidden Files and Directories

T1158

Registry Run Keys / Startup Folder

T1060

Winlogon Helper DLL

T1004

Privilege Escalation

Defense Evasion

Hidden Files and Directories

T1158

Modify Registry

T1112

Credential Access

Credentials in Files

T1081

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\3582-490\09876523456789.exe
MD5
2fce217b06eab217e49e58ae373f8ddb

SHA1
3145657a134272e403320b87a2ef1df87ea9ab07

SHA256
dcc03ca5b2fcce59c03b279d100abfe39f0b1bba99187ce8fd706baa1e106a91

SHA512
421ae69e2381f6e07f1626c20f9b7fec8995c3bcfdc0abd9e45118c3db984997bfff373e2274ce5966a31013c806856df1a79ab9531d827a975ff26176e56d72

Download Submit
C:\Users\Admin\AppData\Local\Temp\3582-490\09876523456789.exe
MD5
2fce217b06eab217e49e58ae373f8ddb

SHA1
3145657a134272e403320b87a2ef1df87ea9ab07

SHA256
dcc03ca5b2fcce59c03b279d100abfe39f0b1bba99187ce8fd706baa1e106a91

SHA512
421ae69e2381f6e07f1626c20f9b7fec8995c3bcfdc0abd9e45118c3db984997bfff373e2274ce5966a31013c806856df1a79ab9531d827a975ff26176e56d72

Download Submit
C:\Users\Admin\AppData\Local\Temp\3582-490\09876523456789.exe
MD5
bcc7a93ad8bad83eb4caf6228bf8ae6b

SHA1
c7cc5a1b3e11fa3bf8a5b387190a5bc371c3f523

SHA256
cf956f8945da4247164dc3bfb243e6d56a721bed701a518cb9e3997505e11601

SHA512
a8d435d39f62488bf592171e1addd13c07fe7105bb844a7d0b3af1220fa6b916cba7272731b87b6c129be5fd5e1099923cdf700b6682e82774eee11c672bcc7f

Download Submit
C:\Users\Admin\AppData\Local\Temp\3582-490\09876523456789.exe
MD5
bcc7a93ad8bad83eb4caf6228bf8ae6b

SHA1
c7cc5a1b3e11fa3bf8a5b387190a5bc371c3f523

SHA256
cf956f8945da4247164dc3bfb243e6d56a721bed701a518cb9e3997505e11601

SHA512
a8d435d39f62488bf592171e1addd13c07fe7105bb844a7d0b3af1220fa6b916cba7272731b87b6c129be5fd5e1099923cdf700b6682e82774eee11c672bcc7f

Download Submit
C:\Users\Admin\AppData\Local\icsys.icn.exe
MD5
8329f0288b6df014a04153c750b678db

SHA1
5fb72256bbfdde0e47928e4d1712722b0ab64439

SHA256
13d0e98683b22102fdfa7d36a0a509c273c3901f6d20969d8ce2a217e3be274b

SHA512
8b586b39cb3a1944e16f791e1e637c3432ed382596f482f29f2845fb2803e29b929ced47c269ef305a2289c10202f0d8442cf16fd049ccd8cca55b32703ee394

Download Submit
C:\Users\Admin\AppData\Local\icsys.icn.exe
MD5
8329f0288b6df014a04153c750b678db

SHA1
5fb72256bbfdde0e47928e4d1712722b0ab64439

SHA256
13d0e98683b22102fdfa7d36a0a509c273c3901f6d20969d8ce2a217e3be274b

SHA512
8b586b39cb3a1944e16f791e1e637c3432ed382596f482f29f2845fb2803e29b929ced47c269ef305a2289c10202f0d8442cf16fd049ccd8cca55b32703ee394

Download Submit
C:\Users\Admin\AppData\Roaming\mrsys.exe
MD5
ffbb305fda456a3dfb62e537573fae4d

SHA1
a9c26e23b88e7a67f0772158c086c5c6f52df387

SHA256
98ed49720df26993d2325236d9fad29d5f9c1434544e7e3622d3bd71bb9d3022

SHA512
e83e0f9cebdee87057d5b98162919a48c83f573854244c11394371c37baaccb01412f6a3b1e01db39eecd337d657f68437391dc688f423eb4cf7154756dc8883

Download Submit
C:\Users\Admin\AppData\Roaming\mrsys.exe
MD5
fc63716e6ad7f8b9f536b3b51508e82d

SHA1
1e35a11068d6f6bfdd1862b1f1bbb423b0b847d3

SHA256
3da976fb683deca790355d686b07a4346b407d69e3e00c2b447b95d9e6efaab9

SHA512
86bbdc573116716a5bea2cb54a1f4561c5665381f481037ed54693ec7218661cf23a1d2f041933e5736d1e16ad72167366b6b70ebf175eaf4c1a0f4f87217a37

Download Submit
C:\Windows\System\explorer.exe
MD5
7c020dd2620c975acdd365e877d77266

SHA1
d8afb309a4887e586f962cfed54cc44aded9d196

SHA256
ef5591316c489e661130c5e3f183b5a8989edcc8840ac7d451d94ffac788e2b2

SHA512
442f348f6be8475c40438dbab2ee4361418a7169572334fde108c9d17b5b1615dc27c0d62a2d5ce66103e3abfa2781141766f41d7a533627143030ea2081af92

Download Submit
C:\Windows\System\spoolsv.exe
MD5
3c144541340cb771a1951440a7ab6e82

SHA1
c22a58950aa584a1bb54d17379b8269159d2fc99

SHA256
1a97951e592a867cd8127d3e3585d61b36af0380d6e206e8bcb996329f2ccb36

SHA512
641036f841c4af9b4f1c522b13628a6fc4a9259adf246d6de0fd5b25b89c1b06783133a6a0201bd3027cf1250151fca4d0b8decf42bb57b66dadb3932c633f6a

Download Submit
C:\Windows\System\spoolsv.exe
MD5
3c144541340cb771a1951440a7ab6e82

SHA1
c22a58950aa584a1bb54d17379b8269159d2fc99

SHA256
1a97951e592a867cd8127d3e3585d61b36af0380d6e206e8bcb996329f2ccb36

SHA512
641036f841c4af9b4f1c522b13628a6fc4a9259adf246d6de0fd5b25b89c1b06783133a6a0201bd3027cf1250151fca4d0b8decf42bb57b66dadb3932c633f6a

Download Submit
C:\Windows\System\svchost.exe
MD5
6a210270b297c64cfc2c07cda81d413b

SHA1
331bbaffdcce0d62f8d66f088ebdcc38a02a351f

SHA256
d4f014de9e11e1d1b5cda4011105d82c2b60490c638a795da5a3b71767313947

SHA512
1880ab064f76b6bda4ba0319755e5c422f8bd14a7c4ae145d2dded626b43204e363336ba5e8305d37bb85d43d101e6a968f53642cd87e91d6c173933777b0df0

Download Submit
\??\c:\users\admin\appdata\local\temp\3582-490\09876523456789.exe
MD5
bcc7a93ad8bad83eb4caf6228bf8ae6b

SHA1
c7cc5a1b3e11fa3bf8a5b387190a5bc371c3f523

SHA256
cf956f8945da4247164dc3bfb243e6d56a721bed701a518cb9e3997505e11601

SHA512
a8d435d39f62488bf592171e1addd13c07fe7105bb844a7d0b3af1220fa6b916cba7272731b87b6c129be5fd5e1099923cdf700b6682e82774eee11c672bcc7f

Download Submit
\??\c:\windows\system\explorer.exe
MD5
7c020dd2620c975acdd365e877d77266

SHA1
d8afb309a4887e586f962cfed54cc44aded9d196

SHA256
ef5591316c489e661130c5e3f183b5a8989edcc8840ac7d451d94ffac788e2b2

SHA512
442f348f6be8475c40438dbab2ee4361418a7169572334fde108c9d17b5b1615dc27c0d62a2d5ce66103e3abfa2781141766f41d7a533627143030ea2081af92

Download Submit
\??\c:\windows\system\spoolsv.exe
MD5
3c144541340cb771a1951440a7ab6e82

SHA1
c22a58950aa584a1bb54d17379b8269159d2fc99

SHA256
1a97951e592a867cd8127d3e3585d61b36af0380d6e206e8bcb996329f2ccb36

SHA512
641036f841c4af9b4f1c522b13628a6fc4a9259adf246d6de0fd5b25b89c1b06783133a6a0201bd3027cf1250151fca4d0b8decf42bb57b66dadb3932c633f6a

Download Submit
\??\c:\windows\system\svchost.exe
MD5
6a210270b297c64cfc2c07cda81d413b

SHA1
331bbaffdcce0d62f8d66f088ebdcc38a02a351f

SHA256
d4f014de9e11e1d1b5cda4011105d82c2b60490c638a795da5a3b71767313947

SHA512
1880ab064f76b6bda4ba0319755e5c422f8bd14a7c4ae145d2dded626b43204e363336ba5e8305d37bb85d43d101e6a968f53642cd87e91d6c173933777b0df0

Download Submit
\Users\Admin\AppData\Local\Temp\nsv8A0C.tmp\shbtviyozv.dll
MD5
b08548c50aeca632a4f589cf225be6e2

SHA1
102d9cb4a737eb6a0e130544f3aaf28603b199ac

SHA256
73d6764798d0afe045ef2dfd8c04d19fdaaa844ccd8beb8297025bca8bdb4cf0

SHA512
bb07aebac4284c457c99d36ccc1c1a8dcb8056c20ca5749f7bd20f9260cc974293ef0271fc6b311078569029c216f60fd470e0fc9adaef3a6a9b3c7b1f0ad94b

Download Submit
memory/384-114-0x0000000000000000-mapping.dmp

Download
memory/1196-120-0x0000000000000000-mapping.dmp

Download
memory/1452-140-0x00000000001F0000-0x00000000001F1000-memory.dmp

Filesize
4KB

Download
memory/1452-163-0x00000000001F8000-0x00000000001F9000-memory.dmp

Filesize
4KB

Download
memory/1452-132-0x0000000000400000-0x000000000048B000-memory.dmp

Filesize
556KB

Download
memory/1452-125-0x000000000040188B-mapping.dmp

Download
memory/1452-158-0x00000000001F1000-0x00000000001F2000-memory.dmp

Filesize
4KB

Download
memory/1452-124-0x0000000000400000-0x000000000048B000-memory.dmp

Filesize
556KB

Download
memory/1452-160-0x00000000001F7000-0x00000000001F8000-memory.dmp

Filesize
4KB

Download
memory/1452-159-0x00000000001F2000-0x00000000001F4000-memory.dmp

Filesize
8KB

Download
memory/1588-127-0x0000000000000000-mapping.dmp

Download
memory/1736-165-0x0000000000000000-mapping.dmp

Download
memory/1940-134-0x0000000000000000-mapping.dmp

Download
memory/2268-161-0x0000000000000000-mapping.dmp

Download
memory/2364-141-0x0000000000000000-mapping.dmp

Download
memory/2628-147-0x0000000000000000-mapping.dmp

Download
memory/3000-153-0x0000000000000000-mapping.dmp

Download
memory/3372-166-0x0000000000000000-mapping.dmp

Download