neshta | 26fc5ebcb8ae884a5c536b83960e500d87ec8650c4f60346c24591a7afd73902

System Information Discovery

Processes:

26fc5ebcb8ae884a5c536b83960e500d87ec8650c4f60346c24591a7afd73902.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000\Control Panel\International\Geo\Nation	26fc5ebcb8ae884a5c536b83960e500d87ec8650c4f60346c24591a7afd73902.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:

26fc5ebcb8ae884a5c536b83960e500d87ec8650c4f60346c24591a7afd73902.exe

description	ioc	process
File opened for modification	C:\PROGRA~3\PACKAG~1\{CA675~1\VCREDI~1.EXE	26fc5ebcb8ae884a5c536b83960e500d87ec8650c4f60346c24591a7afd73902.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\Browser\WCCHRO~1\WCCHRO~1.EXE	26fc5ebcb8ae884a5c536b83960e500d87ec8650c4f60346c24591a7afd73902.exe
File opened for modification	C:\PROGRA~2\COMMON~1\Adobe\ARM\1.0\armsvc.exe	26fc5ebcb8ae884a5c536b83960e500d87ec8650c4f60346c24591a7afd73902.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\NOTIFI~1.EXE	26fc5ebcb8ae884a5c536b83960e500d87ec8650c4f60346c24591a7afd73902.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\IDENTI~1.EXE	26fc5ebcb8ae884a5c536b83960e500d87ec8650c4f60346c24591a7afd73902.exe
File opened for modification	C:\PROGRA~2\WINDOW~2\wabmig.exe	26fc5ebcb8ae884a5c536b83960e500d87ec8650c4f60346c24591a7afd73902.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{57A73~1\VC_RED~1.EXE	26fc5ebcb8ae884a5c536b83960e500d87ec8650c4f60346c24591a7afd73902.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\ADOBEC~1.EXE	26fc5ebcb8ae884a5c536b83960e500d87ec8650c4f60346c24591a7afd73902.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\WOW_HE~1.EXE	26fc5ebcb8ae884a5c536b83960e500d87ec8650c4f60346c24591a7afd73902.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{4D8DC~1\VC_RED~1.EXE	26fc5ebcb8ae884a5c536b83960e500d87ec8650c4f60346c24591a7afd73902.exe
File opened for modification	C:\PROGRA~2\MICROS~1\EDGEUP~1\Download\{F3C4F~1\13153~1.55\MICROS~1.EXE	26fc5ebcb8ae884a5c536b83960e500d87ec8650c4f60346c24591a7afd73902.exe
File opened for modification	C:\PROGRA~2\MICROS~1\EDGEUP~1\Install\{A9F77~1\EDGEMI~1.TMP\setup.exe	26fc5ebcb8ae884a5c536b83960e500d87ec8650c4f60346c24591a7afd73902.exe
File opened for modification	C:\PROGRA~2\MOZILL~1\UNINST~1.EXE	26fc5ebcb8ae884a5c536b83960e500d87ec8650c4f60346c24591a7afd73902.exe
File opened for modification	C:\PROGRA~2\WINDOW~4\wmprph.exe	26fc5ebcb8ae884a5c536b83960e500d87ec8650c4f60346c24591a7afd73902.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\MSEDGE~1.EXE	26fc5ebcb8ae884a5c536b83960e500d87ec8650c4f60346c24591a7afd73902.exe
File opened for modification	C:\PROGRA~2\MICROS~1\EdgeCore\970107~1.55\IDENTI~1.EXE	26fc5ebcb8ae884a5c536b83960e500d87ec8650c4f60346c24591a7afd73902.exe
File opened for modification	C:\PROGRA~2\MICROS~1\EDGEUP~1\13153~1.55\MI9C33~1.EXE	26fc5ebcb8ae884a5c536b83960e500d87ec8650c4f60346c24591a7afd73902.exe
File opened for modification	C:\PROGRA~2\MICROS~1\EDGEUP~1\MicrosoftEdgeUpdate.exe	26fc5ebcb8ae884a5c536b83960e500d87ec8650c4f60346c24591a7afd73902.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\READER~1.EXE	26fc5ebcb8ae884a5c536b83960e500d87ec8650c4f60346c24591a7afd73902.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\VSTO\10.0\VSTOIN~1.EXE	26fc5ebcb8ae884a5c536b83960e500d87ec8650c4f60346c24591a7afd73902.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.71\GOF5E2~1.EXE	26fc5ebcb8ae884a5c536b83960e500d87ec8650c4f60346c24591a7afd73902.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\COOKIE~1.EXE	26fc5ebcb8ae884a5c536b83960e500d87ec8650c4f60346c24591a7afd73902.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\MSEDGE~2.EXE	26fc5ebcb8ae884a5c536b83960e500d87ec8650c4f60346c24591a7afd73902.exe
File opened for modification	C:\PROGRA~2\MICROS~1\EdgeCore\970107~1.55\PWAHEL~1.EXE	26fc5ebcb8ae884a5c536b83960e500d87ec8650c4f60346c24591a7afd73902.exe
File opened for modification	C:\PROGRA~2\MICROS~1\EDGEUP~1\13153~1.55\MICROS~2.EXE	26fc5ebcb8ae884a5c536b83960e500d87ec8650c4f60346c24591a7afd73902.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\LOGTRA~1.EXE	26fc5ebcb8ae884a5c536b83960e500d87ec8650c4f60346c24591a7afd73902.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.71\GO664E~1.EXE	26fc5ebcb8ae884a5c536b83960e500d87ec8650c4f60346c24591a7afd73902.exe
File opened for modification	C:\PROGRA~2\Google\Update\DISABL~1.EXE	26fc5ebcb8ae884a5c536b83960e500d87ec8650c4f60346c24591a7afd73902.exe
File opened for modification	C:\PROGRA~2\COMMON~1\Adobe\ARM\1.0\AdobeARM.exe	26fc5ebcb8ae884a5c536b83960e500d87ec8650c4f60346c24591a7afd73902.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.71\GOOGLE~4.EXE	26fc5ebcb8ae884a5c536b83960e500d87ec8650c4f60346c24591a7afd73902.exe
File opened for modification	C:\PROGRA~2\MICROS~1\EdgeCore\970107~1.55\MSEDGE~1.EXE	26fc5ebcb8ae884a5c536b83960e500d87ec8650c4f60346c24591a7afd73902.exe
File opened for modification	C:\PROGRA~2\MOZILL~1\MAINTE~1.EXE	26fc5ebcb8ae884a5c536b83960e500d87ec8650c4f60346c24591a7afd73902.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\AcroCEF\RdrCEF.exe	26fc5ebcb8ae884a5c536b83960e500d87ec8650c4f60346c24591a7afd73902.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\AcroRd32.exe	26fc5ebcb8ae884a5c536b83960e500d87ec8650c4f60346c24591a7afd73902.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\ACROTE~1.EXE	26fc5ebcb8ae884a5c536b83960e500d87ec8650c4f60346c24591a7afd73902.exe
File opened for modification	C:\PROGRA~2\INTERN~1\ExtExport.exe	26fc5ebcb8ae884a5c536b83960e500d87ec8650c4f60346c24591a7afd73902.exe
File opened for modification	C:\PROGRA~2\MICROS~1\EdgeCore\970107~1.55\BHO\IE_TO_~1.EXE	26fc5ebcb8ae884a5c536b83960e500d87ec8650c4f60346c24591a7afd73902.exe
File opened for modification	C:\PROGRA~2\MICROS~1\EdgeCore\970107~1.55\MSEDGE~3.EXE	26fc5ebcb8ae884a5c536b83960e500d87ec8650c4f60346c24591a7afd73902.exe
File opened for modification	C:\PROGRA~2\MICROS~1\EDGEUP~1\13153~1.55\MICROS~3.EXE	26fc5ebcb8ae884a5c536b83960e500d87ec8650c4f60346c24591a7afd73902.exe
File opened for modification	C:\PROGRA~2\WI8A19~1\ImagingDevices.exe	26fc5ebcb8ae884a5c536b83960e500d87ec8650c4f60346c24591a7afd73902.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\plug_ins\PI_BRO~1\32BITM~1.EXE	26fc5ebcb8ae884a5c536b83960e500d87ec8650c4f60346c24591a7afd73902.exe
File opened for modification	C:\PROGRA~2\COMMON~1\Adobe\ARM\1.0\ADOBEA~1.EXE	26fc5ebcb8ae884a5c536b83960e500d87ec8650c4f60346c24591a7afd73902.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.71\GOOGLE~1.EXE	26fc5ebcb8ae884a5c536b83960e500d87ec8650c4f60346c24591a7afd73902.exe
File opened for modification	C:\PROGRA~2\INTERN~1\ielowutil.exe	26fc5ebcb8ae884a5c536b83960e500d87ec8650c4f60346c24591a7afd73902.exe
File opened for modification	C:\PROGRA~2\INTERN~1\iexplore.exe	26fc5ebcb8ae884a5c536b83960e500d87ec8650c4f60346c24591a7afd73902.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\BHO\IE_TO_~1.EXE	26fc5ebcb8ae884a5c536b83960e500d87ec8650c4f60346c24591a7afd73902.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\MSEDGE~3.EXE	26fc5ebcb8ae884a5c536b83960e500d87ec8650c4f60346c24591a7afd73902.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\PWAHEL~1.EXE	26fc5ebcb8ae884a5c536b83960e500d87ec8650c4f60346c24591a7afd73902.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\ACROBR~1.EXE	26fc5ebcb8ae884a5c536b83960e500d87ec8650c4f60346c24591a7afd73902.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\arh.exe	26fc5ebcb8ae884a5c536b83960e500d87ec8650c4f60346c24591a7afd73902.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.71\GOOGLE~3.EXE	26fc5ebcb8ae884a5c536b83960e500d87ec8650c4f60346c24591a7afd73902.exe
File opened for modification	C:\PROGRA~2\MICROS~1\EdgeCore\970107~1.55\ELEVAT~1.EXE	26fc5ebcb8ae884a5c536b83960e500d87ec8650c4f60346c24591a7afd73902.exe
File opened for modification	C:\PROGRA~3\Adobe\Setup\{AC76B~1\setup.exe	26fc5ebcb8ae884a5c536b83960e500d87ec8650c4f60346c24591a7afd73902.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{EF6B0~1\VCREDI~1.EXE	26fc5ebcb8ae884a5c536b83960e500d87ec8650c4f60346c24591a7afd73902.exe
File opened for modification	C:\PROGRA~2\MICROS~1\EdgeCore\970107~1.55\COOKIE~1.EXE	26fc5ebcb8ae884a5c536b83960e500d87ec8650c4f60346c24591a7afd73902.exe
File opened for modification	C:\PROGRA~2\WINDOW~4\wmlaunch.exe	26fc5ebcb8ae884a5c536b83960e500d87ec8650c4f60346c24591a7afd73902.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\plug_ins\PI_BRO~1\64BITM~1.EXE	26fc5ebcb8ae884a5c536b83960e500d87ec8650c4f60346c24591a7afd73902.exe
File opened for modification	C:\PROGRA~2\COMMON~1\Java\JAVAUP~1\jucheck.exe	26fc5ebcb8ae884a5c536b83960e500d87ec8650c4f60346c24591a7afd73902.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\ELEVAT~1.EXE	26fc5ebcb8ae884a5c536b83960e500d87ec8650c4f60346c24591a7afd73902.exe
File opened for modification	C:\PROGRA~2\MICROS~1\EDGEUP~1\13153~1.55\MICROS~1.EXE	26fc5ebcb8ae884a5c536b83960e500d87ec8650c4f60346c24591a7afd73902.exe
File opened for modification	C:\PROGRA~2\MICROS~1\EDGEUP~1\13153~1.55\MIA062~1.EXE	26fc5ebcb8ae884a5c536b83960e500d87ec8650c4f60346c24591a7afd73902.exe
File opened for modification	C:\PROGRA~2\WINDOW~3\ACCESS~1\wordpad.exe	26fc5ebcb8ae884a5c536b83960e500d87ec8650c4f60346c24591a7afd73902.exe
File opened for modification	C:\PROGRA~2\COMMON~1\Java\JAVAUP~1\jusched.exe	26fc5ebcb8ae884a5c536b83960e500d87ec8650c4f60346c24591a7afd73902.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\INSTAL~1\setup.exe	26fc5ebcb8ae884a5c536b83960e500d87ec8650c4f60346c24591a7afd73902.exe

Drops file in Windows directory 7 IoCs

Processes:

svchost.exe26fc5ebcb8ae884a5c536b83960e500d87ec8650c4f60346c24591a7afd73902.exe

description	ioc	process
File opened for modification	C:\Windows\SoftwareDistribution\ReportingEvents.log	svchost.exe
File opened for modification	C:\Windows\svchost.com	26fc5ebcb8ae884a5c536b83960e500d87ec8650c4f60346c24591a7afd73902.exe
File opened for modification	C:\Windows\WindowsUpdate.log	svchost.exe
File opened for modification	C:\Windows\SoftwareDistribution\DataStore\Logs\edb.chk	svchost.exe
File opened for modification	C:\Windows\SoftwareDistribution\DataStore\Logs\edb.log	svchost.exe
File opened for modification	C:\Windows\SoftwareDistribution\DataStore\DataStore.edb	svchost.exe
File opened for modification	C:\Windows\SoftwareDistribution\DataStore\DataStore.jfm	svchost.exe

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

System Information Discovery
T1082
Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

4560 544 WerFault.exe 26fc5ebcb8ae884a5c536b83960e500d87ec8650c4f60346c24591a7afd73902.exe

pid	pid_target	process	target process
4560	544	WerFault.exe	26fc5ebcb8ae884a5c536b83960e500d87ec8650c4f60346c24591a7afd73902.exe

Checks processor information in registry 2 TTPs 3 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

System Information Discovery

Processes:

WerFault.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	WerFault.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	WerFault.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	WerFault.exe

Enumerates system info in registry 2 TTPs 2 IoCs

Query Registry

System Information Discovery

Processes:

WerFault.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\BIOS	WerFault.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU	WerFault.exe

Modifies registry class 1 IoCs

Processes:

26fc5ebcb8ae884a5c536b83960e500d87ec8650c4f60346c24591a7afd73902.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Windows\\svchost.com \"%1\" %*"	26fc5ebcb8ae884a5c536b83960e500d87ec8650c4f60346c24591a7afd73902.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

WerFault.exe

pid process

4560 WerFault.exe
4560 WerFault.exe

pid	process
4560	WerFault.exe
4560	WerFault.exe

Suspicious use of AdjustPrivilegeToken 8 IoCs

Processes:

WerFault.exesvchost.exe

description	pid	process
Token: SeRestorePrivilege	4560	WerFault.exe
Token: SeBackupPrivilege	4560	WerFault.exe
Token: SeShutdownPrivilege	5064	svchost.exe
Token: SeCreatePagefilePrivilege	5064	svchost.exe
Token: SeShutdownPrivilege	5064	svchost.exe
Token: SeCreatePagefilePrivilege	5064	svchost.exe
Token: SeShutdownPrivilege	5064	svchost.exe
Token: SeCreatePagefilePrivilege	5064	svchost.exe

Suspicious use of WriteProcessMemory 5 IoCs

Processes:

26fc5ebcb8ae884a5c536b83960e500d87ec8650c4f60346c24591a7afd73902.exeWerFault.exe

description	pid	process	target process
PID 1860 wrote to memory of 544	1860	26fc5ebcb8ae884a5c536b83960e500d87ec8650c4f60346c24591a7afd73902.exe	26fc5ebcb8ae884a5c536b83960e500d87ec8650c4f60346c24591a7afd73902.exe
PID 1860 wrote to memory of 544	1860	26fc5ebcb8ae884a5c536b83960e500d87ec8650c4f60346c24591a7afd73902.exe	26fc5ebcb8ae884a5c536b83960e500d87ec8650c4f60346c24591a7afd73902.exe
PID 1860 wrote to memory of 544	1860	26fc5ebcb8ae884a5c536b83960e500d87ec8650c4f60346c24591a7afd73902.exe	26fc5ebcb8ae884a5c536b83960e500d87ec8650c4f60346c24591a7afd73902.exe
PID 1404 wrote to memory of 544	1404	WerFault.exe	26fc5ebcb8ae884a5c536b83960e500d87ec8650c4f60346c24591a7afd73902.exe
PID 1404 wrote to memory of 544	1404	WerFault.exe	26fc5ebcb8ae884a5c536b83960e500d87ec8650c4f60346c24591a7afd73902.exe

C:\Users\Admin\AppData\Local\Temp\26fc5ebcb8ae884a5c536b83960e500d87ec8650c4f60346c24591a7afd73902.exe
"C:\Users\Admin\AppData\Local\Temp\26fc5ebcb8ae884a5c536b83960e500d87ec8650c4f60346c24591a7afd73902.exe"
1⤵
- Modifies system executable filetype association
- Checks computer location settings
- Drops file in Program Files directory
- Drops file in Windows directory
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:1860

C:\Users\Admin\AppData\Local\Temp\3582-490\26fc5ebcb8ae884a5c536b83960e500d87ec8650c4f60346c24591a7afd73902.exe
"C:\Users\Admin\AppData\Local\Temp\3582-490\26fc5ebcb8ae884a5c536b83960e500d87ec8650c4f60346c24591a7afd73902.exe"
2⤵
- Executes dropped EXE
PID:544

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 544 -s 616
3⤵
- Program crash
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4560

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 544 -ip 544
1⤵
- Suspicious use of NtCreateProcessExOtherParentProcess
- Suspicious use of WriteProcessMemory
PID:1404

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k netsvcs -p -s wuauserv
1⤵
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
PID:5064

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Change Default File Association

T1042

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Credentials in Files

T1081

Discovery

Query Registry

3

System Information Discovery

4

Lateral Movement

Collection

Data from Local System