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

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	346429703abf3da7cb4dae7e1d7762d5_JaffaCakes118.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	346429703abf3da7cb4dae7e1d7762d5_JaffaCakes118.exe

Executes dropped EXE 1 IoCs

pid	Process
2388	Nvidia GPU.exe

Loads dropped DLL 1 IoCs

pid	Process
2748	RegSvcs.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

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\0	346429703abf3da7cb4dae7e1d7762d5_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	346429703abf3da7cb4dae7e1d7762d5_JaffaCakes118.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2096 set thread context of 2748	2096	346429703abf3da7cb4dae7e1d7762d5_JaffaCakes118.exe	34

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
2448	schtasks.exe
2844	schtasks.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2096	346429703abf3da7cb4dae7e1d7762d5_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2096	346429703abf3da7cb4dae7e1d7762d5_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 26 IoCs

description	pid	Process	procid_target
PID 2096 wrote to memory of 2844	2096	346429703abf3da7cb4dae7e1d7762d5_JaffaCakes118.exe	32
PID 2096 wrote to memory of 2844	2096	346429703abf3da7cb4dae7e1d7762d5_JaffaCakes118.exe	32
PID 2096 wrote to memory of 2844	2096	346429703abf3da7cb4dae7e1d7762d5_JaffaCakes118.exe	32
PID 2096 wrote to memory of 2844	2096	346429703abf3da7cb4dae7e1d7762d5_JaffaCakes118.exe	32
PID 2096 wrote to memory of 2748	2096	346429703abf3da7cb4dae7e1d7762d5_JaffaCakes118.exe	34
PID 2096 wrote to memory of 2748	2096	346429703abf3da7cb4dae7e1d7762d5_JaffaCakes118.exe	34
PID 2096 wrote to memory of 2748	2096	346429703abf3da7cb4dae7e1d7762d5_JaffaCakes118.exe	34
PID 2096 wrote to memory of 2748	2096	346429703abf3da7cb4dae7e1d7762d5_JaffaCakes118.exe	34
PID 2096 wrote to memory of 2748	2096	346429703abf3da7cb4dae7e1d7762d5_JaffaCakes118.exe	34
PID 2096 wrote to memory of 2748	2096	346429703abf3da7cb4dae7e1d7762d5_JaffaCakes118.exe	34
PID 2096 wrote to memory of 2748	2096	346429703abf3da7cb4dae7e1d7762d5_JaffaCakes118.exe	34
PID 2096 wrote to memory of 2748	2096	346429703abf3da7cb4dae7e1d7762d5_JaffaCakes118.exe	34
PID 2096 wrote to memory of 2748	2096	346429703abf3da7cb4dae7e1d7762d5_JaffaCakes118.exe	34
PID 2096 wrote to memory of 2748	2096	346429703abf3da7cb4dae7e1d7762d5_JaffaCakes118.exe	34
PID 2096 wrote to memory of 2748	2096	346429703abf3da7cb4dae7e1d7762d5_JaffaCakes118.exe	34
PID 2748 wrote to memory of 2448	2748	RegSvcs.exe	35
PID 2748 wrote to memory of 2448	2748	RegSvcs.exe	35
PID 2748 wrote to memory of 2448	2748	RegSvcs.exe	35
PID 2748 wrote to memory of 2448	2748	RegSvcs.exe	35
PID 2748 wrote to memory of 2388	2748	RegSvcs.exe	37
PID 2748 wrote to memory of 2388	2748	RegSvcs.exe	37
PID 2748 wrote to memory of 2388	2748	RegSvcs.exe	37
PID 2748 wrote to memory of 2388	2748	RegSvcs.exe	37
PID 2748 wrote to memory of 2388	2748	RegSvcs.exe	37
PID 2748 wrote to memory of 2388	2748	RegSvcs.exe	37
PID 2748 wrote to memory of 2388	2748	RegSvcs.exe	37

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
- 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:2096
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\DdvcawZnc" /XML "C:\Users\Admin\AppData\Local\Temp\tmp43D4.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:2844
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
  "{path}"
  2⤵
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2748
- - 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:2448
- - C:\Users\Admin\Nvidia GPU.exe
    "C:\Users\Admin\Nvidia GPU.exe"
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:2388

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

3

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Virtualization/Sandbox Evasion

2