amadey | 109ddf7e302ab416976771292bcbdffa99443510ebbf74c9d410ea23d2525033

Processes:

file300un.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths	file300un.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Users\Admin\AppData\Local\Temp\1000181001\file300un.exe = "0"	file300un.exe

ZGRat
ZGRat is remote access trojan written in C#.
rat zgrat

Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 2 IoCs

evasion

Query Registry

Virtualization/Sandbox Evasion

Processes:

109ddf7e302ab416976771292bcbdffa99443510ebbf74c9d410ea23d2525033.exechrosha.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	109ddf7e302ab416976771292bcbdffa99443510ebbf74c9d410ea23d2525033.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	chrosha.exe

Blocklisted process makes network request 2 IoCs

Processes:

rundll32.exerundll32.exe

flow pid process

32 4808 rundll32.exe
61 3688 rundll32.exe
Downloads MZ/PE file

flow	pid	process
32	4808	rundll32.exe
61	3688	rundll32.exe

Checks BIOS information in registry 2 TTPs 4 IoCs

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

Query Registry

System Information Discovery

Processes:

chrosha.exe109ddf7e302ab416976771292bcbdffa99443510ebbf74c9d410ea23d2525033.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	chrosha.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	chrosha.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	109ddf7e302ab416976771292bcbdffa99443510ebbf74c9d410ea23d2525033.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	109ddf7e302ab416976771292bcbdffa99443510ebbf74c9d410ea23d2525033.exe

Checks computer location settings 2 TTPs 3 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

System Information Discovery

Processes:

chrosha.exeRegAsm.exeNewB.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-1132431369-515282257-1998160155-1000\Control Panel\International\Geo\Nation	chrosha.exe
Key value queried	\REGISTRY\USER\S-1-5-21-1132431369-515282257-1998160155-1000\Control Panel\International\Geo\Nation	RegAsm.exe
Key value queried	\REGISTRY\USER\S-1-5-21-1132431369-515282257-1998160155-1000\Control Panel\International\Geo\Nation	NewB.exe

Executes dropped EXE 14 IoCs

Processes:

chrosha.exeswiiiii.exealexxxxxxxx.exepropro.exeTraffic.exegold.exeNewB.exeNewB.exejok.exeswiiii.exeCalrasjl.exeNewB.exeStartup.exefile300un.exe

pid	process
4856	chrosha.exe
1352	swiiiii.exe
4752	alexxxxxxxx.exe
3828	propro.exe
1916	Traffic.exe
892	gold.exe
4388	NewB.exe
4604	NewB.exe
1972	jok.exe
3888	swiiii.exe
4352	Calrasjl.exe
3684	NewB.exe
1976	Startup.exe
4292	file300un.exe

Identifies Wine through registry keys 2 TTPs 2 IoCs

Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.

evasion

Query Registry

Virtualization/Sandbox Evasion

Processes:

chrosha.exe109ddf7e302ab416976771292bcbdffa99443510ebbf74c9d410ea23d2525033.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1132431369-515282257-1998160155-1000\Software\Wine	chrosha.exe
Key opened	\REGISTRY\USER\S-1-5-21-1132431369-515282257-1998160155-1000\Software\Wine	109ddf7e302ab416976771292bcbdffa99443510ebbf74c9d410ea23d2525033.exe

Loads dropped DLL 3 IoCs

Processes:

rundll32.exerundll32.exerundll32.exe

pid process

2280 rundll32.exe
4808 rundll32.exe
3688 rundll32.exe
Reads WinSCP keys stored on the system 2 TTPs
Tries to access WinSCP stored sessions.
spyware stealer

Data from Local System
T1005

Credentials in Registry
T1552.002
Reads local data of messenger clients 2 TTPs
Infostealers often target stored data of messaging applications, which can include saved credentials and account information.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001
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
T1552.001

pid	process
2280	rundll32.exe
4808	rundll32.exe
3688	rundll32.exe

Windows security modification 2 TTPs 3 IoCs

evasion trojan

Disable or Modify Tools

T1562.001

Modify Registry

Processes:

file300un.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Users\Admin\AppData\Local\Temp\1000181001\file300un.exe = "0"	file300un.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths	file300un.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions	file300un.exe

Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
spyware

Data from Local System
T1005

Credentials In Files
T1552.001
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
discovery

Query Registry
T1012
Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs

Processes:

109ddf7e302ab416976771292bcbdffa99443510ebbf74c9d410ea23d2525033.exechrosha.exe

pid process

1920 109ddf7e302ab416976771292bcbdffa99443510ebbf74c9d410ea23d2525033.exe
4856 chrosha.exe

Suspicious use of SetThreadContext 4 IoCs

Processes:

swiiiii.exealexxxxxxxx.exegold.exeswiiii.exe

description	pid	process	target process
PID 1352 set thread context of 4360	1352	swiiiii.exe	RegAsm.exe
PID 4752 set thread context of 2300	4752	alexxxxxxxx.exe	RegAsm.exe
PID 892 set thread context of 224	892	gold.exe	RegAsm.exe
PID 3888 set thread context of 4520	3888	swiiii.exe	RegAsm.exe

Drops file in Windows directory 1 IoCs

Processes:

109ddf7e302ab416976771292bcbdffa99443510ebbf74c9d410ea23d2525033.exe

description ioc process

File created C:\Windows\Tasks\chrosha.job 109ddf7e302ab416976771292bcbdffa99443510ebbf74c9d410ea23d2525033.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082
Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

444 1352 WerFault.exe swiiiii.exe

description	ioc	process
File created	C:\Windows\Tasks\chrosha.job	109ddf7e302ab416976771292bcbdffa99443510ebbf74c9d410ea23d2525033.exe

pid	pid_target	process	target process
444	1352	WerFault.exe	swiiiii.exe

Checks processor information in registry 2 TTPs 2 IoCs

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

Query Registry

System Information Discovery

Processes:

RegAsm.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	RegAsm.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	RegAsm.exe

Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
persistence

Scheduled Task/Job
T1053

Processes:

schtasks.exe

pid process

1560 schtasks.exe

pid	process
1560	schtasks.exe

Modifies system certificate store 2 TTPs 2 IoCs

evasion spyware trojan

Install Root Certificate

T1553.004

Modify Registry

Processes:

propro.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\ROOT\Certificates\F1A578C4CB5DE79A370893983FD4DA8B67B2B064	propro.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\ROOT\Certificates\F1A578C4CB5DE79A370893983FD4DA8B67B2B064\Blob = 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	propro.exe

Suspicious behavior: EnumeratesProcesses 25 IoCs

Processes:

109ddf7e302ab416976771292bcbdffa99443510ebbf74c9d410ea23d2525033.exechrosha.exerundll32.exepowershell.exeTraffic.exeRegAsm.exepropro.exe

pid	process
1920	109ddf7e302ab416976771292bcbdffa99443510ebbf74c9d410ea23d2525033.exe
1920	109ddf7e302ab416976771292bcbdffa99443510ebbf74c9d410ea23d2525033.exe
4856	chrosha.exe
4856	chrosha.exe
4808	rundll32.exe
4808	rundll32.exe
4808	rundll32.exe
4808	rundll32.exe
4808	rundll32.exe
4808	rundll32.exe
4808	rundll32.exe
4808	rundll32.exe
4808	rundll32.exe
4808	rundll32.exe
3168	powershell.exe
3168	powershell.exe
3168	powershell.exe
1916	Traffic.exe
1916	Traffic.exe
4520	RegAsm.exe
4520	RegAsm.exe
3828	propro.exe
3828	propro.exe
3828	propro.exe
3828	propro.exe

Suspicious use of AdjustPrivilegeToken 9 IoCs

Processes:

powershell.exeTraffic.exeCalrasjl.exefile300un.exe

description	pid	process
Token: SeDebugPrivilege	3168	powershell.exe
Token: SeDebugPrivilege	1916	Traffic.exe
Token: SeBackupPrivilege	1916	Traffic.exe
Token: SeSecurityPrivilege	1916	Traffic.exe
Token: SeSecurityPrivilege	1916	Traffic.exe
Token: SeSecurityPrivilege	1916	Traffic.exe
Token: SeSecurityPrivilege	1916	Traffic.exe
Token: SeDebugPrivilege	4352	Calrasjl.exe
Token: SeDebugPrivilege	4292	file300un.exe

Suspicious use of WriteProcessMemory 64 IoCs

Processes:

chrosha.exeswiiiii.exerundll32.exerundll32.exealexxxxxxxx.exeRegAsm.exegold.exeNewB.exeswiiii.exe

description	pid	process	target process
PID 4856 wrote to memory of 1352	4856	chrosha.exe	swiiiii.exe
PID 4856 wrote to memory of 1352	4856	chrosha.exe	swiiiii.exe
PID 4856 wrote to memory of 1352	4856	chrosha.exe	swiiiii.exe
PID 1352 wrote to memory of 4360	1352	swiiiii.exe	RegAsm.exe
PID 1352 wrote to memory of 4360	1352	swiiiii.exe	RegAsm.exe
PID 1352 wrote to memory of 4360	1352	swiiiii.exe	RegAsm.exe
PID 1352 wrote to memory of 4360	1352	swiiiii.exe	RegAsm.exe
PID 1352 wrote to memory of 4360	1352	swiiiii.exe	RegAsm.exe
PID 1352 wrote to memory of 4360	1352	swiiiii.exe	RegAsm.exe
PID 1352 wrote to memory of 4360	1352	swiiiii.exe	RegAsm.exe
PID 1352 wrote to memory of 4360	1352	swiiiii.exe	RegAsm.exe
PID 1352 wrote to memory of 4360	1352	swiiiii.exe	RegAsm.exe
PID 4856 wrote to memory of 2280	4856	chrosha.exe	rundll32.exe
PID 4856 wrote to memory of 2280	4856	chrosha.exe	rundll32.exe
PID 4856 wrote to memory of 2280	4856	chrosha.exe	rundll32.exe
PID 2280 wrote to memory of 4808	2280	rundll32.exe	rundll32.exe
PID 2280 wrote to memory of 4808	2280	rundll32.exe	rundll32.exe
PID 4808 wrote to memory of 4252	4808	rundll32.exe	netsh.exe
PID 4808 wrote to memory of 4252	4808	rundll32.exe	netsh.exe
PID 4808 wrote to memory of 3168	4808	rundll32.exe	powershell.exe
PID 4808 wrote to memory of 3168	4808	rundll32.exe	powershell.exe
PID 4856 wrote to memory of 3688	4856	chrosha.exe	rundll32.exe
PID 4856 wrote to memory of 3688	4856	chrosha.exe	rundll32.exe
PID 4856 wrote to memory of 3688	4856	chrosha.exe	rundll32.exe
PID 4856 wrote to memory of 4752	4856	chrosha.exe	alexxxxxxxx.exe
PID 4856 wrote to memory of 4752	4856	chrosha.exe	alexxxxxxxx.exe
PID 4856 wrote to memory of 4752	4856	chrosha.exe	alexxxxxxxx.exe
PID 4752 wrote to memory of 2300	4752	alexxxxxxxx.exe	RegAsm.exe
PID 4752 wrote to memory of 2300	4752	alexxxxxxxx.exe	RegAsm.exe
PID 4752 wrote to memory of 2300	4752	alexxxxxxxx.exe	RegAsm.exe
PID 4752 wrote to memory of 2300	4752	alexxxxxxxx.exe	RegAsm.exe
PID 4752 wrote to memory of 2300	4752	alexxxxxxxx.exe	RegAsm.exe
PID 4752 wrote to memory of 2300	4752	alexxxxxxxx.exe	RegAsm.exe
PID 4752 wrote to memory of 2300	4752	alexxxxxxxx.exe	RegAsm.exe
PID 4752 wrote to memory of 2300	4752	alexxxxxxxx.exe	RegAsm.exe
PID 2300 wrote to memory of 3828	2300	RegAsm.exe	propro.exe
PID 2300 wrote to memory of 3828	2300	RegAsm.exe	propro.exe
PID 2300 wrote to memory of 3828	2300	RegAsm.exe	propro.exe
PID 2300 wrote to memory of 1916	2300	RegAsm.exe	Traffic.exe
PID 2300 wrote to memory of 1916	2300	RegAsm.exe	Traffic.exe
PID 4856 wrote to memory of 892	4856	chrosha.exe	gold.exe
PID 4856 wrote to memory of 892	4856	chrosha.exe	gold.exe
PID 4856 wrote to memory of 892	4856	chrosha.exe	gold.exe
PID 892 wrote to memory of 224	892	gold.exe	RegAsm.exe
PID 892 wrote to memory of 224	892	gold.exe	RegAsm.exe
PID 892 wrote to memory of 224	892	gold.exe	RegAsm.exe
PID 892 wrote to memory of 224	892	gold.exe	RegAsm.exe
PID 892 wrote to memory of 224	892	gold.exe	RegAsm.exe
PID 892 wrote to memory of 224	892	gold.exe	RegAsm.exe
PID 892 wrote to memory of 224	892	gold.exe	RegAsm.exe
PID 892 wrote to memory of 224	892	gold.exe	RegAsm.exe
PID 4856 wrote to memory of 4388	4856	chrosha.exe	NewB.exe
PID 4856 wrote to memory of 4388	4856	chrosha.exe	NewB.exe
PID 4856 wrote to memory of 4388	4856	chrosha.exe	NewB.exe
PID 4388 wrote to memory of 1560	4388	NewB.exe	schtasks.exe
PID 4388 wrote to memory of 1560	4388	NewB.exe	schtasks.exe
PID 4388 wrote to memory of 1560	4388	NewB.exe	schtasks.exe
PID 4856 wrote to memory of 1972	4856	chrosha.exe	jok.exe
PID 4856 wrote to memory of 1972	4856	chrosha.exe	jok.exe
PID 4856 wrote to memory of 1972	4856	chrosha.exe	jok.exe
PID 4856 wrote to memory of 3888	4856	chrosha.exe	swiiii.exe
PID 4856 wrote to memory of 3888	4856	chrosha.exe	swiiii.exe
PID 4856 wrote to memory of 3888	4856	chrosha.exe	swiiii.exe
PID 3888 wrote to memory of 4520	3888	swiiii.exe	RegAsm.exe

C:\Users\Admin\AppData\Local\Temp\109ddf7e302ab416976771292bcbdffa99443510ebbf74c9d410ea23d2525033.exe
"C:\Users\Admin\AppData\Local\Temp\109ddf7e302ab416976771292bcbdffa99443510ebbf74c9d410ea23d2525033.exe"
1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Identifies Wine through registry keys
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
PID:1920

C:\Users\Admin\AppData\Local\Temp\4d0ab15804\chrosha.exe
C:\Users\Admin\AppData\Local\Temp\4d0ab15804\chrosha.exe
1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Checks computer location settings
- Executes dropped EXE
- Identifies Wine through registry keys
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:4856

C:\Users\Admin\AppData\Local\Temp\1000147001\swiiiii.exe
"C:\Users\Admin\AppData\Local\Temp\1000147001\swiiiii.exe"
2⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1352

C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
3⤵
PID:4360

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1352 -s 868
3⤵
- Program crash
PID:444

C:\Windows\SysWOW64\rundll32.exe
"C:\Windows\System32\rundll32.exe" C:\Users\Admin\AppData\Roaming\c1ec479e5342a2\cred64.dll, Main
2⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2280

C:\Windows\system32\rundll32.exe
"C:\Windows\System32\rundll32.exe" C:\Users\Admin\AppData\Roaming\c1ec479e5342a2\cred64.dll, Main
3⤵
- Blocklisted process makes network request
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:4808

C:\Windows\system32\netsh.exe
netsh wlan show profiles
4⤵
PID:4252

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
powershell -Command Compress-Archive -Path 'C:\Users\Admin\AppData\Local\Temp\_Files_\' -DestinationPath 'C:\Users\Admin\AppData\Local\Temp\132431369515_Desktop.zip' -CompressionLevel Optimal
4⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3168

C:\Windows\SysWOW64\rundll32.exe
"C:\Windows\System32\rundll32.exe" C:\Users\Admin\AppData\Roaming\c1ec479e5342a2\clip64.dll, Main
2⤵
- Blocklisted process makes network request
- Loads dropped DLL
PID:3688

C:\Users\Admin\AppData\Local\Temp\1000148001\alexxxxxxxx.exe
"C:\Users\Admin\AppData\Local\Temp\1000148001\alexxxxxxxx.exe"
2⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4752

C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
3⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:2300

C:\Users\Admin\AppData\Roaming\configurationValue\propro.exe
"C:\Users\Admin\AppData\Roaming\configurationValue\propro.exe"
4⤵
- Executes dropped EXE
- Modifies system certificate store
- Suspicious behavior: EnumeratesProcesses
PID:3828

C:\Users\Admin\AppData\Roaming\configurationValue\Traffic.exe
"C:\Users\Admin\AppData\Roaming\configurationValue\Traffic.exe"
4⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1916

C:\Users\Admin\AppData\Local\Temp\1000149001\gold.exe
"C:\Users\Admin\AppData\Local\Temp\1000149001\gold.exe"
2⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:892

C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
3⤵
PID:224

C:\Users\Admin\AppData\Local\Temp\1000150001\NewB.exe
"C:\Users\Admin\AppData\Local\Temp\1000150001\NewB.exe"
2⤵
- Checks computer location settings
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:4388

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /SC MINUTE /MO 1 /TN NewB.exe /TR "C:\Users\Admin\AppData\Local\Temp\1000150001\NewB.exe" /F
3⤵
- Creates scheduled task(s)
PID:1560

C:\Users\Admin\AppData\Local\Temp\1000203001\Calrasjl.exe
"C:\Users\Admin\AppData\Local\Temp\1000203001\Calrasjl.exe"
3⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:4352

C:\Users\Admin\AppData\Local\Temp\1000152001\jok.exe
"C:\Users\Admin\AppData\Local\Temp\1000152001\jok.exe"
2⤵
- Executes dropped EXE
PID:1972

C:\Users\Admin\AppData\Local\Temp\1000153001\swiiii.exe
"C:\Users\Admin\AppData\Local\Temp\1000153001\swiiii.exe"
2⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:3888

C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
3⤵
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
PID:4520

C:\Users\Admin\AppData\Local\Temp\1000173001\Startup.exe
"C:\Users\Admin\AppData\Local\Temp\1000173001\Startup.exe"
2⤵
- Executes dropped EXE
PID:1976

C:\Users\Admin\AppData\Local\Temp\1000181001\file300un.exe
"C:\Users\Admin\AppData\Local\Temp\1000181001\file300un.exe"
2⤵
- Windows security bypass
- Executes dropped EXE
- Windows security modification
- Suspicious use of AdjustPrivilegeToken
PID:4292

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\1000181001\file300un.exe" -Force
3⤵
PID:4336

C:\Windows\Microsoft.NET\Framework\v4.0.30319\regsvcs.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\regsvcs.exe"
3⤵
PID:1704

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1352 -ip 1352
1⤵
PID:452

C:\Users\Admin\AppData\Local\Temp\1000150001\NewB.exe
C:\Users\Admin\AppData\Local\Temp\1000150001\NewB.exe
1⤵
- Executes dropped EXE
PID:4604

C:\Users\Admin\AppData\Local\Temp\1000150001\NewB.exe
C:\Users\Admin\AppData\Local\Temp\1000150001\NewB.exe
1⤵
- Executes dropped EXE
PID:3684

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Scheduled Task/Job

T1053

Persistence

Scheduled Task/Job

T1053

Privilege Escalation

Scheduled Task/Job

T1053

Defense Evasion

Impair Defenses

T1562

Disable or Modify Tools

T1562.001

Modify Registry

Virtualization/Sandbox Evasion

Subvert Trust Controls

T1553

Install Root Certificate

T1553.004

Credential Access

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Credentials in Registry

T1552.002

Discovery

Query Registry

Virtualization/Sandbox Evasion

System Information Discovery