warzonerat | 6f888bfb577e35b282e35a1763429c21bf94651cd180e6ff26079a3ef25e712e

Virtualization/Sandbox Evasion

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	f675e9e7887a04ae492160e25cbea933_JaffaCakes118.exe

Warzone RAT payload 4 IoCs

rat

resource	yara_rule
behavioral2/memory/820-13-0x0000000000400000-0x0000000000419000-memory.dmp	warzonerat
behavioral2/memory/820-17-0x0000000000400000-0x0000000000419000-memory.dmp	warzonerat
behavioral2/memory/820-21-0x0000000000400000-0x0000000000419000-memory.dmp	warzonerat
behavioral2/memory/820-25-0x0000000000400000-0x0000000000419000-memory.dmp	warzonerat

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	f675e9e7887a04ae492160e25cbea933_JaffaCakes118.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	f675e9e7887a04ae492160e25cbea933_JaffaCakes118.exe

Identifies Wine through registry keys 2 TTPs 1 IoCs

Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.

evasion

Query Registry

Virtualization/Sandbox Evasion

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-523280732-2327480845-3730041215-1000\Software\Wine	f675e9e7887a04ae492160e25cbea933_JaffaCakes118.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-523280732-2327480845-3730041215-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Microsoft OneDrive = "C:\\Users\\Admin\\AppData\\Local\\Chrome\\StikyNot.exe"	f675e9e7887a04ae492160e25cbea933_JaffaCakes118.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 2144 set thread context of 820	2144	f675e9e7887a04ae492160e25cbea933_JaffaCakes118.exe	91
PID 2144 set thread context of 4392	2144	f675e9e7887a04ae492160e25cbea933_JaffaCakes118.exe	92

System Location Discovery: System Language Discovery 1 TTPs 2 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	f675e9e7887a04ae492160e25cbea933_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	f675e9e7887a04ae492160e25cbea933_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 2144 wrote to memory of 820	2144	f675e9e7887a04ae492160e25cbea933_JaffaCakes118.exe	91
PID 2144 wrote to memory of 820	2144	f675e9e7887a04ae492160e25cbea933_JaffaCakes118.exe	91
PID 2144 wrote to memory of 820	2144	f675e9e7887a04ae492160e25cbea933_JaffaCakes118.exe	91
PID 2144 wrote to memory of 820	2144	f675e9e7887a04ae492160e25cbea933_JaffaCakes118.exe	91
PID 2144 wrote to memory of 820	2144	f675e9e7887a04ae492160e25cbea933_JaffaCakes118.exe	91
PID 2144 wrote to memory of 820	2144	f675e9e7887a04ae492160e25cbea933_JaffaCakes118.exe	91
PID 2144 wrote to memory of 820	2144	f675e9e7887a04ae492160e25cbea933_JaffaCakes118.exe	91
PID 2144 wrote to memory of 820	2144	f675e9e7887a04ae492160e25cbea933_JaffaCakes118.exe	91
PID 2144 wrote to memory of 820	2144	f675e9e7887a04ae492160e25cbea933_JaffaCakes118.exe	91
PID 2144 wrote to memory of 820	2144	f675e9e7887a04ae492160e25cbea933_JaffaCakes118.exe	91
PID 2144 wrote to memory of 4392	2144	f675e9e7887a04ae492160e25cbea933_JaffaCakes118.exe	92
PID 2144 wrote to memory of 4392	2144	f675e9e7887a04ae492160e25cbea933_JaffaCakes118.exe	92
PID 2144 wrote to memory of 4392	2144	f675e9e7887a04ae492160e25cbea933_JaffaCakes118.exe	92
PID 2144 wrote to memory of 4392	2144	f675e9e7887a04ae492160e25cbea933_JaffaCakes118.exe	92
PID 2144 wrote to memory of 4392	2144	f675e9e7887a04ae492160e25cbea933_JaffaCakes118.exe	92

C:\Users\Admin\AppData\Local\Temp\f675e9e7887a04ae492160e25cbea933_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\f675e9e7887a04ae492160e25cbea933_JaffaCakes118.exe"
1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Identifies Wine through registry keys
- Adds Run key to start application
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2144
- C:\Users\Admin\AppData\Local\Temp\f675e9e7887a04ae492160e25cbea933_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\f675e9e7887a04ae492160e25cbea933_JaffaCakes118.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  PID:820
- C:\Windows\SysWOW64\diskperf.exe
  "C:\Windows\SysWOW64\diskperf.exe"
  2⤵
  PID:4392

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Virtualization/Sandbox Evasion

2

Credential Access

Discovery

Query Registry

3

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Virtualization/Sandbox Evasion

2