agenttesla | dbb61a60d887156db921acb292375cbf9dfc334a5395f29fadc1441f31e31838

Virtualization/Sandbox Evasion

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Oracle\VirtualBox Guest Additions	ecdfaa43d6e0b5ec1a715fbe9dfa8f08_JaffaCakes118.exe

Looks for VMWare Tools registry key 2 TTPs 1 IoCs

evasion

Query Registry

Virtualization/Sandbox Evasion

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\VMware, Inc.\VMware Tools	ecdfaa43d6e0b5ec1a715fbe9dfa8f08_JaffaCakes118.exe

Checks BIOS information in registry 2 TTPs 2 IoCs

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

Query Registry

System Information Discovery

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	ecdfaa43d6e0b5ec1a715fbe9dfa8f08_JaffaCakes118.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	ecdfaa43d6e0b5ec1a715fbe9dfa8f08_JaffaCakes118.exe

Checks computer location settings 2 TTPs 1 IoCs

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

Query Registry

System Information Discovery

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-945322488-2060912225-3527527000-1000\Control Panel\International\Geo\Nation	ecdfaa43d6e0b5ec1a715fbe9dfa8f08_JaffaCakes118.exe

Windows security modification 2 TTPs 2 IoCs

evasion trojan

Disable or Modify Tools

T1562.001

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features	ecdfaa43d6e0b5ec1a715fbe9dfa8f08_JaffaCakes118.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0"	ecdfaa43d6e0b5ec1a715fbe9dfa8f08_JaffaCakes118.exe

Maps connected drives based on registry 3 TTPs 2 IoCs

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

Query Registry

Peripheral Device Discovery

T1120

System Information Discovery

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	ecdfaa43d6e0b5ec1a715fbe9dfa8f08_JaffaCakes118.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0	ecdfaa43d6e0b5ec1a715fbe9dfa8f08_JaffaCakes118.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3144 set thread context of 4460	3144	ecdfaa43d6e0b5ec1a715fbe9dfa8f08_JaffaCakes118.exe	95

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

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 4 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ecdfaa43d6e0b5ec1a715fbe9dfa8f08_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ecdfaa43d6e0b5ec1a715fbe9dfa8f08_JaffaCakes118.exe

Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence execution

Scheduled Task

pid	Process
1584	schtasks.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
3144	ecdfaa43d6e0b5ec1a715fbe9dfa8f08_JaffaCakes118.exe
3144	ecdfaa43d6e0b5ec1a715fbe9dfa8f08_JaffaCakes118.exe
3144	ecdfaa43d6e0b5ec1a715fbe9dfa8f08_JaffaCakes118.exe
1228	powershell.exe
1228	powershell.exe
3144	ecdfaa43d6e0b5ec1a715fbe9dfa8f08_JaffaCakes118.exe
4460	ecdfaa43d6e0b5ec1a715fbe9dfa8f08_JaffaCakes118.exe
4460	ecdfaa43d6e0b5ec1a715fbe9dfa8f08_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	3144	ecdfaa43d6e0b5ec1a715fbe9dfa8f08_JaffaCakes118.exe
Token: SeDebugPrivilege	1228	powershell.exe
Token: SeDebugPrivilege	4460	ecdfaa43d6e0b5ec1a715fbe9dfa8f08_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 3144 wrote to memory of 1228	3144	ecdfaa43d6e0b5ec1a715fbe9dfa8f08_JaffaCakes118.exe	91
PID 3144 wrote to memory of 1228	3144	ecdfaa43d6e0b5ec1a715fbe9dfa8f08_JaffaCakes118.exe	91
PID 3144 wrote to memory of 1228	3144	ecdfaa43d6e0b5ec1a715fbe9dfa8f08_JaffaCakes118.exe	91
PID 3144 wrote to memory of 1584	3144	ecdfaa43d6e0b5ec1a715fbe9dfa8f08_JaffaCakes118.exe	93
PID 3144 wrote to memory of 1584	3144	ecdfaa43d6e0b5ec1a715fbe9dfa8f08_JaffaCakes118.exe	93
PID 3144 wrote to memory of 1584	3144	ecdfaa43d6e0b5ec1a715fbe9dfa8f08_JaffaCakes118.exe	93
PID 3144 wrote to memory of 4460	3144	ecdfaa43d6e0b5ec1a715fbe9dfa8f08_JaffaCakes118.exe	95
PID 3144 wrote to memory of 4460	3144	ecdfaa43d6e0b5ec1a715fbe9dfa8f08_JaffaCakes118.exe	95
PID 3144 wrote to memory of 4460	3144	ecdfaa43d6e0b5ec1a715fbe9dfa8f08_JaffaCakes118.exe	95
PID 3144 wrote to memory of 4460	3144	ecdfaa43d6e0b5ec1a715fbe9dfa8f08_JaffaCakes118.exe	95
PID 3144 wrote to memory of 4460	3144	ecdfaa43d6e0b5ec1a715fbe9dfa8f08_JaffaCakes118.exe	95
PID 3144 wrote to memory of 4460	3144	ecdfaa43d6e0b5ec1a715fbe9dfa8f08_JaffaCakes118.exe	95
PID 3144 wrote to memory of 4460	3144	ecdfaa43d6e0b5ec1a715fbe9dfa8f08_JaffaCakes118.exe	95
PID 3144 wrote to memory of 4460	3144	ecdfaa43d6e0b5ec1a715fbe9dfa8f08_JaffaCakes118.exe	95

C:\Users\Admin\AppData\Local\Temp\ecdfaa43d6e0b5ec1a715fbe9dfa8f08_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\ecdfaa43d6e0b5ec1a715fbe9dfa8f08_JaffaCakes118.exe"
1⤵
- Modifies Windows Defender Real-time Protection settings
- Looks for VirtualBox Guest Additions in registry
- Looks for VMWare Tools registry key
- Checks BIOS information in registry
- Checks computer location settings
- Windows security modification
- Maps connected drives based on registry
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3144
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "powershell" Get-MpPreference -verbose
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1228
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\gOXYvvFZEHI" /XML "C:\Users\Admin\AppData\Local\Temp\tmpC1B5.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:1584
- C:\Users\Admin\AppData\Local\Temp\ecdfaa43d6e0b5ec1a715fbe9dfa8f08_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\ecdfaa43d6e0b5ec1a715fbe9dfa8f08_JaffaCakes118.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:4460

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

T1053

Scheduled Task

Persistence

Create or Modify System Process

T1543

Windows Service

T1543.003

Scheduled Task/Job

T1053

Scheduled Task

Privilege Escalation

Create or Modify System Process

T1543

Windows Service

T1543.003

Scheduled Task/Job

T1053

Scheduled Task

Defense Evasion

Impair Defenses

T1562

Disable or Modify Tools

T1562.001

Modify Registry

T1112

Virtualization/Sandbox Evasion

Credential Access

Discovery

Peripheral Device Discovery

T1120

Query Registry

System Information Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Virtualization/Sandbox Evasion