agenttesla | 89b26887cf47af7365dfd7fb75252fb86badd55bdc8d87829efd7f63803d1029

Processes:

svchost.exe

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

Looks for VirtualBox Guest Additions in registry 2 TTPs 2 IoCs

evasion

Query Registry

Virtualization/Sandbox Evasion

Processes:

Bank Copy.exesvchost.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SOFTWARE\Oracle\VirtualBox Guest Additions	Bank Copy.exe
Key opened	\REGISTRY\MACHINE\SOFTWARE\Oracle\VirtualBox Guest Additions	svchost.exe

Looks for VMWare Tools registry key 2 TTPs 2 IoCs

evasion

Query Registry

Virtualization/Sandbox Evasion

Processes:

Bank Copy.exesvchost.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SOFTWARE\VMware, Inc.\VMware Tools	Bank Copy.exe
Key opened	\REGISTRY\MACHINE\SOFTWARE\VMware, Inc.\VMware Tools	svchost.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:

Bank Copy.exesvchost.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	Bank Copy.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	Bank Copy.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	svchost.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	svchost.exe

Checks computer location settings 2 TTPs 2 IoCs

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

Query Registry

System Information Discovery

Processes:

Bank Copy.exesvchost.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2805025096-2326403612-4231045514-1000\Control Panel\International\Geo\Nation	Bank Copy.exe
Key value queried	\REGISTRY\USER\S-1-5-21-2805025096-2326403612-4231045514-1000\Control Panel\International\Geo\Nation	svchost.exe

Executes dropped EXE 1 IoCs

Processes:

svchost.exe

pid process

2160 svchost.exe
Uses the VBS compiler for execution 1 TTPs

Scripting
T1064

pid	process
2160	svchost.exe

Windows security modification 2 TTPs 3 IoCs

evasion trojan

Disabling Security Tools

T1089

Modify Registry

Processes:

svchost.exe

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

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

Processes:

AddInProcess32.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2805025096-2326403612-4231045514-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AddInProcess32.exe
Key opened	\REGISTRY\USER\S-1-5-21-2805025096-2326403612-4231045514-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AddInProcess32.exe
Key opened	\REGISTRY\USER\S-1-5-21-2805025096-2326403612-4231045514-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AddInProcess32.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

Processes:

Bank Copy.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2805025096-2326403612-4231045514-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\svchost = "\"C:\\Users\\Admin\\AppData\\Roaming\\svchost.exe\""	Bank Copy.exe

Checks whether UAC is enabled 1 TTPs 2 IoCs

evasion trojan

System Information Discovery

Processes:

svchost.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	svchost.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	svchost.exe

Looks up external IP address via web service 2 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.

Processes:

flow ioc

16 api.ipify.org
18 api.ipify.org

flow	ioc
16	api.ipify.org
18	api.ipify.org

Maps connected drives based on registry 3 TTPs 4 IoCs

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

Query Registry

Peripheral Device Discovery

T1120

System Information Discovery

Processes:

Bank Copy.exesvchost.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	Bank Copy.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0	Bank Copy.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	svchost.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0	svchost.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

svchost.exe

description pid process target process

PID 2160 set thread context of 4936 2160 svchost.exe AddInProcess32.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082
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
T1053

Processes:

schtasks.exe

pid process

4696 schtasks.exe
Delays execution with timeout.exe 1 IoCs
evasion

Processes:

timeout.exe

pid process

1088 timeout.exe

description	pid	process	target process
PID 2160 set thread context of 4936	2160	svchost.exe	AddInProcess32.exe

pid	process
4696	schtasks.exe

pid	process
1088	timeout.exe

Suspicious behavior: EnumeratesProcesses 55 IoCs

Processes:

Bank Copy.exesvchost.exepowershell.exe

pid	process
4980	Bank Copy.exe
4980	Bank Copy.exe
4980	Bank Copy.exe
4980	Bank Copy.exe
4980	Bank Copy.exe
4980	Bank Copy.exe
4980	Bank Copy.exe
4980	Bank Copy.exe
4980	Bank Copy.exe
4980	Bank Copy.exe
4980	Bank Copy.exe
4980	Bank Copy.exe
4980	Bank Copy.exe
4980	Bank Copy.exe
4980	Bank Copy.exe
4980	Bank Copy.exe
4980	Bank Copy.exe
4980	Bank Copy.exe
4980	Bank Copy.exe
4980	Bank Copy.exe
4980	Bank Copy.exe
4980	Bank Copy.exe
4980	Bank Copy.exe
2160	svchost.exe
2160	svchost.exe
2160	svchost.exe
2160	svchost.exe
3776	powershell.exe
2160	svchost.exe
2160	svchost.exe
2160	svchost.exe
2160	svchost.exe
2160	svchost.exe
2160	svchost.exe
2160	svchost.exe
2160	svchost.exe
2160	svchost.exe
2160	svchost.exe
2160	svchost.exe
2160	svchost.exe
2160	svchost.exe
2160	svchost.exe
2160	svchost.exe
2160	svchost.exe
2160	svchost.exe
2160	svchost.exe
2160	svchost.exe
2160	svchost.exe
2160	svchost.exe
2160	svchost.exe
2160	svchost.exe
2160	svchost.exe
2160	svchost.exe
2160	svchost.exe
3776	powershell.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

Processes:

Bank Copy.exesvchost.exepowershell.exeAddInProcess32.exe

description	pid	process
Token: SeDebugPrivilege	4980	Bank Copy.exe
Token: SeDebugPrivilege	2160	svchost.exe
Token: SeDebugPrivilege	3776	powershell.exe
Token: SeDebugPrivilege	4936	AddInProcess32.exe

Suspicious use of WriteProcessMemory 50 IoCs

Processes:

Bank Copy.execmd.execmd.exesvchost.exe

description	pid	process	target process
PID 4980 wrote to memory of 516	4980	Bank Copy.exe	cmd.exe
PID 4980 wrote to memory of 516	4980	Bank Copy.exe	cmd.exe
PID 4980 wrote to memory of 1448	4980	Bank Copy.exe	cmd.exe
PID 4980 wrote to memory of 1448	4980	Bank Copy.exe	cmd.exe
PID 516 wrote to memory of 4696	516	cmd.exe	schtasks.exe
PID 516 wrote to memory of 4696	516	cmd.exe	schtasks.exe
PID 1448 wrote to memory of 1088	1448	cmd.exe	timeout.exe
PID 1448 wrote to memory of 1088	1448	cmd.exe	timeout.exe
PID 1448 wrote to memory of 2160	1448	cmd.exe	svchost.exe
PID 1448 wrote to memory of 2160	1448	cmd.exe	svchost.exe
PID 2160 wrote to memory of 3776	2160	svchost.exe	powershell.exe
PID 2160 wrote to memory of 3776	2160	svchost.exe	powershell.exe
PID 2160 wrote to memory of 4000	2160	svchost.exe	EdmGen.exe
PID 2160 wrote to memory of 4000	2160	svchost.exe	EdmGen.exe
PID 2160 wrote to memory of 1832	2160	svchost.exe	ngentask.exe
PID 2160 wrote to memory of 1832	2160	svchost.exe	ngentask.exe
PID 2160 wrote to memory of 2092	2160	svchost.exe	vbc.exe
PID 2160 wrote to memory of 2092	2160	svchost.exe	vbc.exe
PID 2160 wrote to memory of 2528	2160	svchost.exe	AddInProcess.exe
PID 2160 wrote to memory of 2528	2160	svchost.exe	AddInProcess.exe
PID 2160 wrote to memory of 4080	2160	svchost.exe	CasPol.exe
PID 2160 wrote to memory of 4080	2160	svchost.exe	CasPol.exe
PID 2160 wrote to memory of 3880	2160	svchost.exe	mscorsvw.exe
PID 2160 wrote to memory of 3880	2160	svchost.exe	mscorsvw.exe
PID 2160 wrote to memory of 4692	2160	svchost.exe	ServiceModelReg.exe
PID 2160 wrote to memory of 4692	2160	svchost.exe	ServiceModelReg.exe
PID 2160 wrote to memory of 644	2160	svchost.exe	aspnet_compiler.exe
PID 2160 wrote to memory of 644	2160	svchost.exe	aspnet_compiler.exe
PID 2160 wrote to memory of 4228	2160	svchost.exe	aspnet_regiis.exe
PID 2160 wrote to memory of 4228	2160	svchost.exe	aspnet_regiis.exe
PID 2160 wrote to memory of 1604	2160	svchost.exe	aspnet_regbrowsers.exe
PID 2160 wrote to memory of 1604	2160	svchost.exe	aspnet_regbrowsers.exe
PID 2160 wrote to memory of 1276	2160	svchost.exe	AppLaunch.exe
PID 2160 wrote to memory of 1276	2160	svchost.exe	AppLaunch.exe
PID 2160 wrote to memory of 1252	2160	svchost.exe	DataSvcUtil.exe
PID 2160 wrote to memory of 1252	2160	svchost.exe	DataSvcUtil.exe
PID 2160 wrote to memory of 4616	2160	svchost.exe	RegSvcs.exe
PID 2160 wrote to memory of 4616	2160	svchost.exe	RegSvcs.exe
PID 2160 wrote to memory of 4360	2160	svchost.exe	MSBuild.exe
PID 2160 wrote to memory of 4360	2160	svchost.exe	MSBuild.exe
PID 2160 wrote to memory of 4856	2160	svchost.exe	SMSvcHost.exe
PID 2160 wrote to memory of 4856	2160	svchost.exe	SMSvcHost.exe
PID 2160 wrote to memory of 4936	2160	svchost.exe	AddInProcess32.exe
PID 2160 wrote to memory of 4936	2160	svchost.exe	AddInProcess32.exe
PID 2160 wrote to memory of 4936	2160	svchost.exe	AddInProcess32.exe
PID 2160 wrote to memory of 4936	2160	svchost.exe	AddInProcess32.exe
PID 2160 wrote to memory of 4936	2160	svchost.exe	AddInProcess32.exe
PID 2160 wrote to memory of 4936	2160	svchost.exe	AddInProcess32.exe
PID 2160 wrote to memory of 4936	2160	svchost.exe	AddInProcess32.exe
PID 2160 wrote to memory of 4936	2160	svchost.exe	AddInProcess32.exe

System policy modification 1 TTPs 1 IoCs
evasion

Modify Registry
T1112

Processes:

svchost.exe

description ioc process

Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" svchost.exe
Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
persistence

Query Registry
T1012

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	svchost.exe

outlook_office_path 1 IoCs

Processes:

AddInProcess32.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2805025096-2326403612-4231045514-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AddInProcess32.exe

outlook_win_path 1 IoCs

Processes:

AddInProcess32.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2805025096-2326403612-4231045514-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AddInProcess32.exe

C:\Users\Admin\AppData\Local\Temp\Bank Copy.exe
"C:\Users\Admin\AppData\Local\Temp\Bank Copy.exe"
1⤵
- Looks for VirtualBox Guest Additions in registry
- Looks for VMWare Tools registry key
- Checks BIOS information in registry
- Checks computer location settings
- Adds Run key to start application
- Maps connected drives based on registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4980

C:\Windows\System32\cmd.exe
"C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "svchost" /tr '"C:\Users\Admin\AppData\Roaming\svchost.exe"' & exit
2⤵
- Suspicious use of WriteProcessMemory
PID:516

C:\Windows\system32\schtasks.exe
schtasks /create /f /sc onlogon /rl highest /tn "svchost" /tr '"C:\Users\Admin\AppData\Roaming\svchost.exe"'
3⤵
- Creates scheduled task(s)
PID:4696

C:\Windows\system32\cmd.exe
C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp73FC.tmp.bat""
2⤵
- Suspicious use of WriteProcessMemory
PID:1448

C:\Windows\system32\timeout.exe
timeout 3
3⤵
- Delays execution with timeout.exe
PID:1088

C:\Users\Admin\AppData\Roaming\svchost.exe
"C:\Users\Admin\AppData\Roaming\svchost.exe"
3⤵
- UAC bypass
- Windows security bypass
- Looks for VirtualBox Guest Additions in registry
- Looks for VMWare Tools registry key
- Checks BIOS information in registry
- Checks computer location settings
- Executes dropped EXE
- Windows security modification
- Checks whether UAC is enabled
- Maps connected drives based on registry
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
- System policy modification
PID:2160

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\svchost.exe" -Force
4⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3776

C:\Windows\Microsoft.NET\Framework64\v4.0.30319\EdmGen.exe
"C:\Windows\Microsoft.NET\Framework64\v4.0.30319\EdmGen.exe"
4⤵
PID:4000

C:\Windows\Microsoft.NET\Framework64\v4.0.30319\ngentask.exe
"C:\Windows\Microsoft.NET\Framework64\v4.0.30319\ngentask.exe"
4⤵
PID:1832

C:\Windows\Microsoft.NET\Framework64\v4.0.30319\vbc.exe
"C:\Windows\Microsoft.NET\Framework64\v4.0.30319\vbc.exe"
4⤵
PID:2092

C:\Windows\Microsoft.NET\Framework64\v4.0.30319\ServiceModelReg.exe
"C:\Windows\Microsoft.NET\Framework64\v4.0.30319\ServiceModelReg.exe"
4⤵
PID:4692

C:\Windows\Microsoft.NET\Framework64\v4.0.30319\mscorsvw.exe
"C:\Windows\Microsoft.NET\Framework64\v4.0.30319\mscorsvw.exe"
4⤵
PID:3880

C:\Windows\Microsoft.NET\Framework64\v4.0.30319\CasPol.exe
"C:\Windows\Microsoft.NET\Framework64\v4.0.30319\CasPol.exe"
4⤵
PID:4080

C:\Windows\Microsoft.NET\Framework64\v4.0.30319\AddInProcess.exe
"C:\Windows\Microsoft.NET\Framework64\v4.0.30319\AddInProcess.exe"
4⤵
PID:2528

C:\Windows\Microsoft.NET\Framework64\v4.0.30319\MSBuild.exe
"C:\Windows\Microsoft.NET\Framework64\v4.0.30319\MSBuild.exe"
4⤵
PID:4360

C:\Windows\Microsoft.NET\Framework64\v4.0.30319\SMSvcHost.exe
"C:\Windows\Microsoft.NET\Framework64\v4.0.30319\SMSvcHost.exe"
4⤵
PID:4856

C:\Windows\Microsoft.NET\Framework64\v4.0.30319\RegSvcs.exe
"C:\Windows\Microsoft.NET\Framework64\v4.0.30319\RegSvcs.exe"
4⤵
PID:4616

C:\Windows\Microsoft.NET\Framework64\v4.0.30319\DataSvcUtil.exe
"C:\Windows\Microsoft.NET\Framework64\v4.0.30319\DataSvcUtil.exe"
4⤵
PID:1252

C:\Windows\Microsoft.NET\Framework64\v4.0.30319\AppLaunch.exe
"C:\Windows\Microsoft.NET\Framework64\v4.0.30319\AppLaunch.exe"
4⤵
PID:1276

C:\Windows\Microsoft.NET\Framework64\v4.0.30319\aspnet_regbrowsers.exe
"C:\Windows\Microsoft.NET\Framework64\v4.0.30319\aspnet_regbrowsers.exe"
4⤵
PID:1604

C:\Windows\Microsoft.NET\Framework64\v4.0.30319\aspnet_regiis.exe
"C:\Windows\Microsoft.NET\Framework64\v4.0.30319\aspnet_regiis.exe"
4⤵
PID:4228

C:\Windows\Microsoft.NET\Framework64\v4.0.30319\aspnet_compiler.exe
"C:\Windows\Microsoft.NET\Framework64\v4.0.30319\aspnet_compiler.exe"
4⤵
PID:644

C:\Windows\Microsoft.NET\Framework64\v4.0.30319\AddInProcess32.exe
"C:\Windows\Microsoft.NET\Framework64\v4.0.30319\AddInProcess32.exe"
4⤵
- Accesses Microsoft Outlook profiles
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:4936

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Scheduled Task

T1053

Scripting

T1064

Persistence

Registry Run Keys / Startup Folder

T1060

Scheduled Task

T1053

Privilege Escalation

Bypass User Account Control

T1088

Scheduled Task

T1053

Defense Evasion

Bypass User Account Control

T1088

Disabling Security Tools

T1089

Modify Registry

Scripting

T1064

Virtualization/Sandbox Evasion

Credential Access

Discovery

Peripheral Device Discovery

T1120

Query Registry

System Information Discovery

Virtualization/Sandbox Evasion