limerat | a4c1fac56d90b4e04cbb6882b82e8ca5be9ea05d41daf591aeec2f8a2ed01190

Virtualization/Sandbox Evasion

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Oracle\VirtualBox Guest Additions	346429703abf3da7cb4dae7e1d7762d5_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	346429703abf3da7cb4dae7e1d7762d5_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\VideoBiosVersion	346429703abf3da7cb4dae7e1d7762d5_JaffaCakes118.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	346429703abf3da7cb4dae7e1d7762d5_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-1-5-21-940901362-3608833189-1915618603-1000\Control Panel\International\Geo\Nation	346429703abf3da7cb4dae7e1d7762d5_JaffaCakes118.exe

Executes dropped EXE 1 IoCs

pid	Process
2056	Nvidia GPU.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	346429703abf3da7cb4dae7e1d7762d5_JaffaCakes118.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0	346429703abf3da7cb4dae7e1d7762d5_JaffaCakes118.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3140 set thread context of 4760	3140	346429703abf3da7cb4dae7e1d7762d5_JaffaCakes118.exe	90

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 5 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	346429703abf3da7cb4dae7e1d7762d5_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RegSvcs.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Nvidia GPU.exe

Scheduled Task/Job: Scheduled Task 1 TTPs 2 IoCs

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

persistence execution

Scheduled Task

pid	Process
2836	schtasks.exe
1848	schtasks.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
3140	346429703abf3da7cb4dae7e1d7762d5_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3140	346429703abf3da7cb4dae7e1d7762d5_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 3140 wrote to memory of 2836	3140	346429703abf3da7cb4dae7e1d7762d5_JaffaCakes118.exe	88
PID 3140 wrote to memory of 2836	3140	346429703abf3da7cb4dae7e1d7762d5_JaffaCakes118.exe	88
PID 3140 wrote to memory of 2836	3140	346429703abf3da7cb4dae7e1d7762d5_JaffaCakes118.exe	88
PID 3140 wrote to memory of 4760	3140	346429703abf3da7cb4dae7e1d7762d5_JaffaCakes118.exe	90
PID 3140 wrote to memory of 4760	3140	346429703abf3da7cb4dae7e1d7762d5_JaffaCakes118.exe	90
PID 3140 wrote to memory of 4760	3140	346429703abf3da7cb4dae7e1d7762d5_JaffaCakes118.exe	90
PID 3140 wrote to memory of 4760	3140	346429703abf3da7cb4dae7e1d7762d5_JaffaCakes118.exe	90
PID 3140 wrote to memory of 4760	3140	346429703abf3da7cb4dae7e1d7762d5_JaffaCakes118.exe	90
PID 3140 wrote to memory of 4760	3140	346429703abf3da7cb4dae7e1d7762d5_JaffaCakes118.exe	90
PID 3140 wrote to memory of 4760	3140	346429703abf3da7cb4dae7e1d7762d5_JaffaCakes118.exe	90
PID 4760 wrote to memory of 1848	4760	RegSvcs.exe	94
PID 4760 wrote to memory of 1848	4760	RegSvcs.exe	94
PID 4760 wrote to memory of 1848	4760	RegSvcs.exe	94
PID 4760 wrote to memory of 2056	4760	RegSvcs.exe	96
PID 4760 wrote to memory of 2056	4760	RegSvcs.exe	96
PID 4760 wrote to memory of 2056	4760	RegSvcs.exe	96

C:\Users\Admin\AppData\Local\Temp\346429703abf3da7cb4dae7e1d7762d5_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\346429703abf3da7cb4dae7e1d7762d5_JaffaCakes118.exe"
1⤵
- Looks for VirtualBox Guest Additions in registry
- Looks for VMWare Tools registry key
- Checks BIOS information in registry
- Checks computer location settings
- 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:3140
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\DdvcawZnc" /XML "C:\Users\Admin\AppData\Local\Temp\tmp3D23.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:2836
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
  "{path}"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4760
- - C:\Windows\SysWOW64\schtasks.exe
    schtasks /create /f /sc ONLOGON /RL HIGHEST /tn LimeRAT-Admin /tr "'C:\Users\Admin\Nvidia GPU.exe'"
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:1848
- - C:\Users\Admin\Nvidia GPU.exe
    "C:\Users\Admin\Nvidia GPU.exe"
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:2056

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

T1053

Scheduled Task

Persistence

Scheduled Task/Job

T1053

Scheduled Task

Privilege Escalation

Scheduled Task/Job

T1053

Scheduled Task

Defense Evasion

Virtualization/Sandbox Evasion

2

Credential Access

Discovery

Peripheral Device Discovery

Query Registry

System Information Discovery

4

System Location Discovery

T1614

System Language Discovery

T1614.001

Virtualization/Sandbox Evasion

2