cybergate | e57dcc9e839d1ceeae5e9433428e695464d7d9faef71f64d7e55a42b40047394

Modify Registry

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run	JaffaCakes118_621c9d5a5c1dfb69b48d2e445eed19fb.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\Policies = "C:\\Windows\\win32\\Server.exe"	JaffaCakes118_621c9d5a5c1dfb69b48d2e445eed19fb.exe
Key created	\REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run	JaffaCakes118_621c9d5a5c1dfb69b48d2e445eed19fb.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\Policies = "C:\\Windows\\win32\\Server.exe"	JaffaCakes118_621c9d5a5c1dfb69b48d2e445eed19fb.exe

Boot or Logon Autostart Execution: Active Setup 2 TTPs 4 IoCs

Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.

persistence

Active Setup

T1547.014

Modify Registry

description	ioc	Process
Key created	\REGISTRY\MACHINE\Software\Wow6432Node\Microsoft\Active Setup\Installed Components\{A0FIF48I-53CM-4SXY-F482-3S077C4VTM8L}	explorer.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{A0FIF48I-53CM-4SXY-F482-3S077C4VTM8L}\StubPath = "C:\\Windows\\win32\\Server.exe"	explorer.exe
Key created	\REGISTRY\MACHINE\Software\Wow6432Node\Microsoft\Active Setup\Installed Components\{A0FIF48I-53CM-4SXY-F482-3S077C4VTM8L}	JaffaCakes118_621c9d5a5c1dfb69b48d2e445eed19fb.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{A0FIF48I-53CM-4SXY-F482-3S077C4VTM8L}\StubPath = "C:\\Windows\\win32\\Server.exe Restart"	JaffaCakes118_621c9d5a5c1dfb69b48d2e445eed19fb.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

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	JaffaCakes118_621c9d5a5c1dfb69b48d2e445eed19fb.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosDate	Server.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	Server.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosDate	JaffaCakes118_621c9d5a5c1dfb69b48d2e445eed19fb.exe

Executes dropped EXE 2 IoCs

pid	Process
2496	Server.exe
1680	Server.exe

Loads dropped DLL 2 IoCs

pid	Process
1548	JaffaCakes118_621c9d5a5c1dfb69b48d2e445eed19fb.exe
1548	JaffaCakes118_621c9d5a5c1dfb69b48d2e445eed19fb.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

Modify Registry

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000\Software\Microsoft\Windows\CurrentVersion\Run\HKCU = "C:\\Windows\\win32\\Server.exe"	JaffaCakes118_621c9d5a5c1dfb69b48d2e445eed19fb.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\HKLM = "C:\\Windows\\win32\\Server.exe"	JaffaCakes118_621c9d5a5c1dfb69b48d2e445eed19fb.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 2936 set thread context of 2796	2936	JaffaCakes118_621c9d5a5c1dfb69b48d2e445eed19fb.exe	30
PID 2496 set thread context of 1680	2496	Server.exe	35

UPX packed file 2 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral1/memory/2796-593-0x0000000000450000-0x000000000055B000-memory.dmp	upx
behavioral1/memory/1548-952-0x0000000005560000-0x000000000566B000-memory.dmp	upx

Drops file in Windows directory 3 IoCs

description	ioc	Process
File opened for modification	C:\Windows\win32\Server.exe	JaffaCakes118_621c9d5a5c1dfb69b48d2e445eed19fb.exe
File opened for modification	C:\Windows\win32\Server.exe	Server.exe
File created	C:\Windows\win32\Server.exe	JaffaCakes118_621c9d5a5c1dfb69b48d2e445eed19fb.exe

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	JaffaCakes118_621c9d5a5c1dfb69b48d2e445eed19fb.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_621c9d5a5c1dfb69b48d2e445eed19fb.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	explorer.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_621c9d5a5c1dfb69b48d2e445eed19fb.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Server.exe

Checks processor information in registry 2 TTPs 14 IoCs

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

Query Registry

System Information Discovery

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	Server.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	Server.exe
Key queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	JaffaCakes118_621c9d5a5c1dfb69b48d2e445eed19fb.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	JaffaCakes118_621c9d5a5c1dfb69b48d2e445eed19fb.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\FeatureSet	JaffaCakes118_621c9d5a5c1dfb69b48d2e445eed19fb.exe
Key queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	Server.exe
Key value enumerated	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	Server.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\VendorIdentifier	JaffaCakes118_621c9d5a5c1dfb69b48d2e445eed19fb.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\VendorIdentifier	Server.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	JaffaCakes118_621c9d5a5c1dfb69b48d2e445eed19fb.exe
Key value enumerated	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	JaffaCakes118_621c9d5a5c1dfb69b48d2e445eed19fb.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier	JaffaCakes118_621c9d5a5c1dfb69b48d2e445eed19fb.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier	Server.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\FeatureSet	Server.exe

Enumerates system info in registry 2 TTPs 2 IoCs

Query Registry

System Information Discovery

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\Identifier	JaffaCakes118_621c9d5a5c1dfb69b48d2e445eed19fb.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\Identifier	Server.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
1548	JaffaCakes118_621c9d5a5c1dfb69b48d2e445eed19fb.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1548	JaffaCakes118_621c9d5a5c1dfb69b48d2e445eed19fb.exe
Token: SeDebugPrivilege	1548	JaffaCakes118_621c9d5a5c1dfb69b48d2e445eed19fb.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2796	JaffaCakes118_621c9d5a5c1dfb69b48d2e445eed19fb.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2936	JaffaCakes118_621c9d5a5c1dfb69b48d2e445eed19fb.exe
2496	Server.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2936 wrote to memory of 2796	2936	JaffaCakes118_621c9d5a5c1dfb69b48d2e445eed19fb.exe	30
PID 2936 wrote to memory of 2796	2936	JaffaCakes118_621c9d5a5c1dfb69b48d2e445eed19fb.exe	30
PID 2936 wrote to memory of 2796	2936	JaffaCakes118_621c9d5a5c1dfb69b48d2e445eed19fb.exe	30
PID 2936 wrote to memory of 2796	2936	JaffaCakes118_621c9d5a5c1dfb69b48d2e445eed19fb.exe	30
PID 2936 wrote to memory of 2796	2936	JaffaCakes118_621c9d5a5c1dfb69b48d2e445eed19fb.exe	30
PID 2936 wrote to memory of 2796	2936	JaffaCakes118_621c9d5a5c1dfb69b48d2e445eed19fb.exe	30
PID 2936 wrote to memory of 2796	2936	JaffaCakes118_621c9d5a5c1dfb69b48d2e445eed19fb.exe	30
PID 2936 wrote to memory of 2796	2936	JaffaCakes118_621c9d5a5c1dfb69b48d2e445eed19fb.exe	30
PID 2936 wrote to memory of 2796	2936	JaffaCakes118_621c9d5a5c1dfb69b48d2e445eed19fb.exe	30
PID 2936 wrote to memory of 2796	2936	JaffaCakes118_621c9d5a5c1dfb69b48d2e445eed19fb.exe	30
PID 2936 wrote to memory of 2796	2936	JaffaCakes118_621c9d5a5c1dfb69b48d2e445eed19fb.exe	30
PID 2936 wrote to memory of 2796	2936	JaffaCakes118_621c9d5a5c1dfb69b48d2e445eed19fb.exe	30
PID 2796 wrote to memory of 1192	2796	JaffaCakes118_621c9d5a5c1dfb69b48d2e445eed19fb.exe	21
PID 2796 wrote to memory of 1192	2796	JaffaCakes118_621c9d5a5c1dfb69b48d2e445eed19fb.exe	21
PID 2796 wrote to memory of 1192	2796	JaffaCakes118_621c9d5a5c1dfb69b48d2e445eed19fb.exe	21
PID 2796 wrote to memory of 1192	2796	JaffaCakes118_621c9d5a5c1dfb69b48d2e445eed19fb.exe	21
PID 2796 wrote to memory of 1192	2796	JaffaCakes118_621c9d5a5c1dfb69b48d2e445eed19fb.exe	21
PID 2796 wrote to memory of 1192	2796	JaffaCakes118_621c9d5a5c1dfb69b48d2e445eed19fb.exe	21
PID 2796 wrote to memory of 1192	2796	JaffaCakes118_621c9d5a5c1dfb69b48d2e445eed19fb.exe	21
PID 2796 wrote to memory of 1192	2796	JaffaCakes118_621c9d5a5c1dfb69b48d2e445eed19fb.exe	21
PID 2796 wrote to memory of 1192	2796	JaffaCakes118_621c9d5a5c1dfb69b48d2e445eed19fb.exe	21
PID 2796 wrote to memory of 1192	2796	JaffaCakes118_621c9d5a5c1dfb69b48d2e445eed19fb.exe	21
PID 2796 wrote to memory of 1192	2796	JaffaCakes118_621c9d5a5c1dfb69b48d2e445eed19fb.exe	21
PID 2796 wrote to memory of 1192	2796	JaffaCakes118_621c9d5a5c1dfb69b48d2e445eed19fb.exe	21
PID 2796 wrote to memory of 1192	2796	JaffaCakes118_621c9d5a5c1dfb69b48d2e445eed19fb.exe	21
PID 2796 wrote to memory of 1192	2796	JaffaCakes118_621c9d5a5c1dfb69b48d2e445eed19fb.exe	21
PID 2796 wrote to memory of 1192	2796	JaffaCakes118_621c9d5a5c1dfb69b48d2e445eed19fb.exe	21
PID 2796 wrote to memory of 1192	2796	JaffaCakes118_621c9d5a5c1dfb69b48d2e445eed19fb.exe	21
PID 2796 wrote to memory of 1192	2796	JaffaCakes118_621c9d5a5c1dfb69b48d2e445eed19fb.exe	21
PID 2796 wrote to memory of 1192	2796	JaffaCakes118_621c9d5a5c1dfb69b48d2e445eed19fb.exe	21
PID 2796 wrote to memory of 1192	2796	JaffaCakes118_621c9d5a5c1dfb69b48d2e445eed19fb.exe	21
PID 2796 wrote to memory of 1192	2796	JaffaCakes118_621c9d5a5c1dfb69b48d2e445eed19fb.exe	21
PID 2796 wrote to memory of 1192	2796	JaffaCakes118_621c9d5a5c1dfb69b48d2e445eed19fb.exe	21
PID 2796 wrote to memory of 1192	2796	JaffaCakes118_621c9d5a5c1dfb69b48d2e445eed19fb.exe	21
PID 2796 wrote to memory of 1192	2796	JaffaCakes118_621c9d5a5c1dfb69b48d2e445eed19fb.exe	21
PID 2796 wrote to memory of 1192	2796	JaffaCakes118_621c9d5a5c1dfb69b48d2e445eed19fb.exe	21
PID 2796 wrote to memory of 1192	2796	JaffaCakes118_621c9d5a5c1dfb69b48d2e445eed19fb.exe	21
PID 2796 wrote to memory of 1192	2796	JaffaCakes118_621c9d5a5c1dfb69b48d2e445eed19fb.exe	21
PID 2796 wrote to memory of 1192	2796	JaffaCakes118_621c9d5a5c1dfb69b48d2e445eed19fb.exe	21
PID 2796 wrote to memory of 1192	2796	JaffaCakes118_621c9d5a5c1dfb69b48d2e445eed19fb.exe	21
PID 2796 wrote to memory of 1192	2796	JaffaCakes118_621c9d5a5c1dfb69b48d2e445eed19fb.exe	21
PID 2796 wrote to memory of 1192	2796	JaffaCakes118_621c9d5a5c1dfb69b48d2e445eed19fb.exe	21
PID 2796 wrote to memory of 1192	2796	JaffaCakes118_621c9d5a5c1dfb69b48d2e445eed19fb.exe	21
PID 2796 wrote to memory of 1192	2796	JaffaCakes118_621c9d5a5c1dfb69b48d2e445eed19fb.exe	21
PID 2796 wrote to memory of 1192	2796	JaffaCakes118_621c9d5a5c1dfb69b48d2e445eed19fb.exe	21
PID 2796 wrote to memory of 1192	2796	JaffaCakes118_621c9d5a5c1dfb69b48d2e445eed19fb.exe	21
PID 2796 wrote to memory of 1192	2796	JaffaCakes118_621c9d5a5c1dfb69b48d2e445eed19fb.exe	21
PID 2796 wrote to memory of 1192	2796	JaffaCakes118_621c9d5a5c1dfb69b48d2e445eed19fb.exe	21
PID 2796 wrote to memory of 1192	2796	JaffaCakes118_621c9d5a5c1dfb69b48d2e445eed19fb.exe	21
PID 2796 wrote to memory of 1192	2796	JaffaCakes118_621c9d5a5c1dfb69b48d2e445eed19fb.exe	21
PID 2796 wrote to memory of 1192	2796	JaffaCakes118_621c9d5a5c1dfb69b48d2e445eed19fb.exe	21
PID 2796 wrote to memory of 1192	2796	JaffaCakes118_621c9d5a5c1dfb69b48d2e445eed19fb.exe	21
PID 2796 wrote to memory of 1192	2796	JaffaCakes118_621c9d5a5c1dfb69b48d2e445eed19fb.exe	21
PID 2796 wrote to memory of 1192	2796	JaffaCakes118_621c9d5a5c1dfb69b48d2e445eed19fb.exe	21
PID 2796 wrote to memory of 1192	2796	JaffaCakes118_621c9d5a5c1dfb69b48d2e445eed19fb.exe	21
PID 2796 wrote to memory of 1192	2796	JaffaCakes118_621c9d5a5c1dfb69b48d2e445eed19fb.exe	21
PID 2796 wrote to memory of 1192	2796	JaffaCakes118_621c9d5a5c1dfb69b48d2e445eed19fb.exe	21
PID 2796 wrote to memory of 1192	2796	JaffaCakes118_621c9d5a5c1dfb69b48d2e445eed19fb.exe	21
PID 2796 wrote to memory of 1192	2796	JaffaCakes118_621c9d5a5c1dfb69b48d2e445eed19fb.exe	21
PID 2796 wrote to memory of 1192	2796	JaffaCakes118_621c9d5a5c1dfb69b48d2e445eed19fb.exe	21
PID 2796 wrote to memory of 1192	2796	JaffaCakes118_621c9d5a5c1dfb69b48d2e445eed19fb.exe	21
PID 2796 wrote to memory of 1192	2796	JaffaCakes118_621c9d5a5c1dfb69b48d2e445eed19fb.exe	21
PID 2796 wrote to memory of 1192	2796	JaffaCakes118_621c9d5a5c1dfb69b48d2e445eed19fb.exe	21
PID 2796 wrote to memory of 1192	2796	JaffaCakes118_621c9d5a5c1dfb69b48d2e445eed19fb.exe	21

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1192
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_621c9d5a5c1dfb69b48d2e445eed19fb.exe
  "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_621c9d5a5c1dfb69b48d2e445eed19fb.exe"
  2⤵
  - Checks BIOS information in registry
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Checks processor information in registry
  - Enumerates system info in registry
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:2936
- - C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_621c9d5a5c1dfb69b48d2e445eed19fb.exe
    3⤵
    - Adds policy Run key to start application
    - Boot or Logon Autostart Execution: Active Setup
    - Adds Run key to start application
    - Drops file in Windows directory
    - System Location Discovery: System Language Discovery
    - Suspicious use of FindShellTrayWindow
    - Suspicious use of WriteProcessMemory
    PID:2796
  - - C:\Windows\SysWOW64\explorer.exe
      explorer.exe
      4⤵
      Boot or Logon Autostart Execution: Active Setup
      System Location Discovery: System Language Discovery
      PID:1876
  - - C:\Program Files\Internet Explorer\iexplore.exe
      "C:\Program Files\Internet Explorer\iexplore.exe"
      4⤵
      PID:2964
  - - C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_621c9d5a5c1dfb69b48d2e445eed19fb.exe
      "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_621c9d5a5c1dfb69b48d2e445eed19fb.exe"
      4⤵
      Loads dropped DLL
      System Location Discovery: System Language Discovery
      Suspicious behavior: GetForegroundWindowSpam
      Suspicious use of AdjustPrivilegeToken
      PID:1548
    - - C:\Windows\win32\Server.exe
        
        "C:\Windows\win32\Server.exe"
        5⤵
        Checks BIOS information in registry
        Executes dropped EXE
        Suspicious use of SetThreadContext
        Drops file in Windows directory
        System Location Discovery: System Language Discovery
        Checks processor information in registry
        Enumerates system info in registry
        Suspicious use of SetWindowsHookEx
        
        PID:2496
      - C:\Windows\win32\Server.exe
        
        6⤵
        Executes dropped EXE
        
        PID:1680

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Active Setup

T1547.014

Registry Run Keys / Startup Folder

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Active Setup

T1547.014

Registry Run Keys / Startup Folder

Defense Evasion

Modify Registry

Credential Access

Discovery

Query Registry

System Information Discovery