agenttesla | d64ab9ff0984410b88e53ae2a9cf7c4f971aa7defc132343589fffbff2638c57

Processes:

svchost.exe

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

Looks for VirtualBox Guest Additions in registry 2 TTPs 2 IoCs

evasion

Query Registry

Virtualization/Sandbox Evasion

Processes:

Quotation Order.exesvchost.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SOFTWARE\Oracle\VirtualBox Guest Additions	Quotation Order.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:

Quotation Order.exesvchost.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SOFTWARE\VMware, Inc.\VMware Tools	Quotation Order.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:

Quotation Order.exesvchost.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	Quotation Order.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	Quotation Order.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:

Quotation Order.exesvchost.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-17203666-93769886-2545153620-1000\Control Panel\International\Geo\Nation	Quotation Order.exe
Key value queried	\REGISTRY\USER\S-1-5-21-17203666-93769886-2545153620-1000\Control Panel\International\Geo\Nation	svchost.exe

Executes dropped EXE 1 IoCs

Processes:

svchost.exe

pid process

2472 svchost.exe

pid	process
2472	svchost.exe

Windows security modification 2 TTPs 3 IoCs

evasion trojan

Disable or Modify Tools

T1562.001

Modify Registry

Processes:

svchost.exe

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

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

Processes:

Quotation Order.exeCasPol.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-17203666-93769886-2545153620-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\svchost = "\"C:\\Users\\Admin\\AppData\\Roaming\\svchost.exe\""	Quotation Order.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-17203666-93769886-2545153620-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\avdfUcC = "C:\\Users\\Admin\\AppData\\Roaming\\avdfUcC\\avdfUcC.exe"	CasPol.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 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.

Processes:

flow ioc

3 ip-api.com

flow	ioc
3	ip-api.com

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:

Quotation Order.exesvchost.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	Quotation Order.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0	Quotation Order.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 2472 set thread context of 5108 2472 svchost.exe CasPol.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

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/Job
T1053

Processes:

schtasks.exe

pid process

2280 schtasks.exe
Delays execution with timeout.exe 1 IoCs
evasion

Processes:

timeout.exe

pid process

3992 timeout.exe

description	pid	process	target process
PID 2472 set thread context of 5108	2472	svchost.exe	CasPol.exe

pid	process
2280	schtasks.exe

pid	process
3992	timeout.exe

Suspicious behavior: EnumeratesProcesses 25 IoCs

Processes:

Quotation Order.exepowershell.exeCasPol.exe

pid	process
2480	Quotation Order.exe
2480	Quotation Order.exe
2480	Quotation Order.exe
2480	Quotation Order.exe
2480	Quotation Order.exe
2480	Quotation Order.exe
2480	Quotation Order.exe
2480	Quotation Order.exe
2480	Quotation Order.exe
2480	Quotation Order.exe
2480	Quotation Order.exe
2480	Quotation Order.exe
2480	Quotation Order.exe
2480	Quotation Order.exe
2480	Quotation Order.exe
2480	Quotation Order.exe
2480	Quotation Order.exe
2480	Quotation Order.exe
2480	Quotation Order.exe
2480	Quotation Order.exe
2480	Quotation Order.exe
4124	powershell.exe
4124	powershell.exe
5108	CasPol.exe
5108	CasPol.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

Processes:

Quotation Order.exesvchost.exepowershell.exeCasPol.exe

description	pid	process
Token: SeDebugPrivilege	2480	Quotation Order.exe
Token: SeDebugPrivilege	2472	svchost.exe
Token: SeDebugPrivilege	4124	powershell.exe
Token: SeDebugPrivilege	5108	CasPol.exe

Suspicious use of WriteProcessMemory 26 IoCs

Processes:

Quotation Order.execmd.execmd.exesvchost.exe

description	pid	process	target process
PID 2480 wrote to memory of 4660	2480	Quotation Order.exe	cmd.exe
PID 2480 wrote to memory of 4660	2480	Quotation Order.exe	cmd.exe
PID 2480 wrote to memory of 4768	2480	Quotation Order.exe	cmd.exe
PID 2480 wrote to memory of 4768	2480	Quotation Order.exe	cmd.exe
PID 4768 wrote to memory of 3992	4768	cmd.exe	timeout.exe
PID 4768 wrote to memory of 3992	4768	cmd.exe	timeout.exe
PID 4660 wrote to memory of 2280	4660	cmd.exe	schtasks.exe
PID 4660 wrote to memory of 2280	4660	cmd.exe	schtasks.exe
PID 4768 wrote to memory of 2472	4768	cmd.exe	svchost.exe
PID 4768 wrote to memory of 2472	4768	cmd.exe	svchost.exe
PID 2472 wrote to memory of 4124	2472	svchost.exe	powershell.exe
PID 2472 wrote to memory of 4124	2472	svchost.exe	powershell.exe
PID 2472 wrote to memory of 3532	2472	svchost.exe	regasm.exe
PID 2472 wrote to memory of 3532	2472	svchost.exe	regasm.exe
PID 2472 wrote to memory of 3532	2472	svchost.exe	regasm.exe
PID 2472 wrote to memory of 5108	2472	svchost.exe	CasPol.exe
PID 2472 wrote to memory of 5108	2472	svchost.exe	CasPol.exe
PID 2472 wrote to memory of 5108	2472	svchost.exe	CasPol.exe
PID 2472 wrote to memory of 5108	2472	svchost.exe	CasPol.exe
PID 2472 wrote to memory of 5108	2472	svchost.exe	CasPol.exe
PID 2472 wrote to memory of 5108	2472	svchost.exe	CasPol.exe
PID 2472 wrote to memory of 5108	2472	svchost.exe	CasPol.exe
PID 2472 wrote to memory of 5108	2472	svchost.exe	CasPol.exe
PID 2472 wrote to memory of 4636	2472	svchost.exe	CasPol.exe
PID 2472 wrote to memory of 4636	2472	svchost.exe	CasPol.exe
PID 2472 wrote to memory of 4636	2472	svchost.exe	CasPol.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

C:\Users\Admin\AppData\Local\Temp\Quotation Order.exe
"C:\Users\Admin\AppData\Local\Temp\Quotation Order.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:2480

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:4660

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:2280

C:\Windows\system32\cmd.exe
C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp49F9.tmp.bat""
2⤵
- Suspicious use of WriteProcessMemory
PID:4768

C:\Windows\system32\timeout.exe
timeout 3
3⤵
- Delays execution with timeout.exe
PID:3992

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 use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
- System policy modification
PID:2472

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:4124

C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe"
4⤵
PID:3532

C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe"
4⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:5108

C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe"
4⤵
PID:4636

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Scheduled Task/Job

T1053

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Scheduled Task/Job

T1053

Privilege Escalation

Abuse Elevation Control Mechanism

T1548

Bypass User Account Control

T1548.002

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Scheduled Task/Job

T1053

Defense Evasion

Abuse Elevation Control Mechanism

T1548

Bypass User Account Control

T1548.002

Impair Defenses

T1562

Disable or Modify Tools

T1562.001

Modify Registry

Virtualization/Sandbox Evasion

Credential Access

Discovery

Query Registry

Virtualization/Sandbox Evasion

System Information Discovery