cybergate | 6a20f23e5bad672adbfaa8136e011c7eb6fce9e5e9426b71a45d5f01bdf1d9de

Modify Registry

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run	Desktop7436321.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\Policies = "C:\\Windows\\system32\\WinDir\\Svchost.exe"	Desktop7436321.exe
Key created	\REGISTRY\USER\S-1-5-21-3975168204-1612096350-4002976354-1000\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run	Desktop7436321.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3975168204-1612096350-4002976354-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\Policies = "C:\\Windows\\system32\\WinDir\\Svchost.exe"	Desktop7436321.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\{N72071F3-Y760-7SXG-Q38A-5VYV26F31O3I}	Desktop7436321.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{N72071F3-Y760-7SXG-Q38A-5VYV26F31O3I}\StubPath = "C:\\Windows\\system32\\WinDir\\Svchost.exe Restart"	Desktop7436321.exe
Key created	\REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Active Setup\Installed Components\{N72071F3-Y760-7SXG-Q38A-5VYV26F31O3I}	explorer.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{N72071F3-Y760-7SXG-Q38A-5VYV26F31O3I}\StubPath = "C:\\Windows\\system32\\WinDir\\Svchost.exe"	explorer.exe

Checks computer location settings 2 TTPs 2 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-1-5-21-3975168204-1612096350-4002976354-1000\Control Panel\International\Geo\Nation	JaffaCakes118_824853a804ceaabca86b502245adfae1.exe
Key value queried	\REGISTRY\USER\S-1-5-21-3975168204-1612096350-4002976354-1000\Control Panel\International\Geo\Nation	Desktop7436321.exe

Executes dropped EXE 6 IoCs

pid	Process
6008	Desktop7436320.exe
1524	Desktop7436321.exe
4132	Desktop7436321.exe
3596	Desktop7436321.exe
3676	Svchost.exe
2724	Svchost.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\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\HKLM = "C:\\Windows\\system32\\WinDir\\Svchost.exe"	Desktop7436321.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3975168204-1612096350-4002976354-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\HKCU = "C:\\Windows\\system32\\WinDir\\Svchost.exe"	Desktop7436321.exe

Drops desktop.ini file(s) 2 IoCs

description	ioc	Process
File created	C:\Windows\assembly\Desktop.ini	Desktop7436320.exe
File opened for modification	C:\Windows\assembly\Desktop.ini	Desktop7436320.exe

Maps connected drives based on registry 3 TTPs 4 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	Desktop7436321.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0	Desktop7436321.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	Svchost.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0	Svchost.exe

Drops file in System32 directory 5 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\WinDir\Svchost.exe	Desktop7436321.exe
File opened for modification	C:\Windows\SysWOW64\WinDir\Svchost.exe	Desktop7436321.exe
File opened for modification	C:\Windows\SysWOW64\WinDir\Svchost.exe	Desktop7436321.exe
File opened for modification	C:\Windows\SysWOW64\WinDir\	Desktop7436321.exe
File opened for modification	C:\Windows\SysWOW64\WinDir\Svchost.exe	Svchost.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 1524 set thread context of 4132	1524	Desktop7436321.exe	91
PID 3676 set thread context of 2724	3676	Svchost.exe	96

UPX packed file 4 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4132-81-0x0000000010410000-0x0000000010475000-memory.dmp	upx
behavioral2/memory/4132-82-0x0000000010410000-0x0000000010475000-memory.dmp	upx
behavioral2/memory/4132-85-0x0000000010480000-0x00000000104E5000-memory.dmp	upx
behavioral2/memory/4132-143-0x0000000010480000-0x00000000104E5000-memory.dmp	upx

Drops file in Windows directory 3 IoCs

description	ioc	Process
File created	C:\Windows\assembly\Desktop.ini	Desktop7436320.exe
File opened for modification	C:\Windows\assembly\Desktop.ini	Desktop7436320.exe
File opened for modification	C:\Windows\assembly	Desktop7436320.exe

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

System Information Discovery
T1082

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3632	2724	WerFault.exe	96

System Location Discovery: System Language Discovery 1 TTPs 8 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	Desktop7436320.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Desktop7436321.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	explorer.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Desktop7436321.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	dw20.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Desktop7436321.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Svchost.exe

Checks processor information in registry 2 TTPs 3 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	dw20.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	dw20.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	dw20.exe

Enumerates system info in registry 2 TTPs 2 IoCs

Query Registry

System Information Discovery

description	ioc	Process
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\BIOS	dw20.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU	dw20.exe

Modifies registry class 1 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\	Desktop7436321.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4132	Desktop7436321.exe
4132	Desktop7436321.exe

Suspicious use of AdjustPrivilegeToken 10 IoCs

description	pid	Process
Token: SeRestorePrivilege	3284	dw20.exe
Token: SeBackupPrivilege	3284	dw20.exe
Token: SeBackupPrivilege	3284	dw20.exe
Token: SeBackupPrivilege	3284	dw20.exe
Token: SeBackupPrivilege	4644	explorer.exe
Token: SeRestorePrivilege	4644	explorer.exe
Token: SeBackupPrivilege	3596	Desktop7436321.exe
Token: SeRestorePrivilege	3596	Desktop7436321.exe
Token: SeDebugPrivilege	3596	Desktop7436321.exe
Token: SeDebugPrivilege	3596	Desktop7436321.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4132	Desktop7436321.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
1524	Desktop7436321.exe
3676	Svchost.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 64 wrote to memory of 6008	64	JaffaCakes118_824853a804ceaabca86b502245adfae1.exe	85
PID 64 wrote to memory of 6008	64	JaffaCakes118_824853a804ceaabca86b502245adfae1.exe	85
PID 64 wrote to memory of 6008	64	JaffaCakes118_824853a804ceaabca86b502245adfae1.exe	85
PID 64 wrote to memory of 1524	64	JaffaCakes118_824853a804ceaabca86b502245adfae1.exe	87
PID 64 wrote to memory of 1524	64	JaffaCakes118_824853a804ceaabca86b502245adfae1.exe	87
PID 64 wrote to memory of 1524	64	JaffaCakes118_824853a804ceaabca86b502245adfae1.exe	87
PID 6008 wrote to memory of 3284	6008	Desktop7436320.exe	89
PID 6008 wrote to memory of 3284	6008	Desktop7436320.exe	89
PID 6008 wrote to memory of 3284	6008	Desktop7436320.exe	89
PID 1524 wrote to memory of 4132	1524	Desktop7436321.exe	91
PID 1524 wrote to memory of 4132	1524	Desktop7436321.exe	91
PID 1524 wrote to memory of 4132	1524	Desktop7436321.exe	91
PID 1524 wrote to memory of 4132	1524	Desktop7436321.exe	91
PID 1524 wrote to memory of 4132	1524	Desktop7436321.exe	91
PID 1524 wrote to memory of 4132	1524	Desktop7436321.exe	91
PID 1524 wrote to memory of 4132	1524	Desktop7436321.exe	91
PID 1524 wrote to memory of 4132	1524	Desktop7436321.exe	91
PID 1524 wrote to memory of 4132	1524	Desktop7436321.exe	91
PID 1524 wrote to memory of 4132	1524	Desktop7436321.exe	91
PID 1524 wrote to memory of 4132	1524	Desktop7436321.exe	91
PID 1524 wrote to memory of 4132	1524	Desktop7436321.exe	91
PID 1524 wrote to memory of 4132	1524	Desktop7436321.exe	91
PID 4132 wrote to memory of 3436	4132	Desktop7436321.exe	55
PID 4132 wrote to memory of 3436	4132	Desktop7436321.exe	55
PID 4132 wrote to memory of 3436	4132	Desktop7436321.exe	55
PID 4132 wrote to memory of 3436	4132	Desktop7436321.exe	55
PID 4132 wrote to memory of 3436	4132	Desktop7436321.exe	55
PID 4132 wrote to memory of 3436	4132	Desktop7436321.exe	55
PID 4132 wrote to memory of 3436	4132	Desktop7436321.exe	55
PID 4132 wrote to memory of 3436	4132	Desktop7436321.exe	55
PID 4132 wrote to memory of 3436	4132	Desktop7436321.exe	55
PID 4132 wrote to memory of 3436	4132	Desktop7436321.exe	55
PID 4132 wrote to memory of 3436	4132	Desktop7436321.exe	55
PID 4132 wrote to memory of 3436	4132	Desktop7436321.exe	55
PID 4132 wrote to memory of 3436	4132	Desktop7436321.exe	55
PID 4132 wrote to memory of 3436	4132	Desktop7436321.exe	55
PID 4132 wrote to memory of 3436	4132	Desktop7436321.exe	55
PID 4132 wrote to memory of 3436	4132	Desktop7436321.exe	55
PID 4132 wrote to memory of 3436	4132	Desktop7436321.exe	55
PID 4132 wrote to memory of 3436	4132	Desktop7436321.exe	55
PID 4132 wrote to memory of 3436	4132	Desktop7436321.exe	55
PID 4132 wrote to memory of 3436	4132	Desktop7436321.exe	55
PID 4132 wrote to memory of 3436	4132	Desktop7436321.exe	55
PID 4132 wrote to memory of 3436	4132	Desktop7436321.exe	55
PID 4132 wrote to memory of 3436	4132	Desktop7436321.exe	55
PID 4132 wrote to memory of 3436	4132	Desktop7436321.exe	55
PID 4132 wrote to memory of 3436	4132	Desktop7436321.exe	55
PID 4132 wrote to memory of 3436	4132	Desktop7436321.exe	55
PID 4132 wrote to memory of 3436	4132	Desktop7436321.exe	55
PID 4132 wrote to memory of 3436	4132	Desktop7436321.exe	55
PID 4132 wrote to memory of 3436	4132	Desktop7436321.exe	55
PID 4132 wrote to memory of 3436	4132	Desktop7436321.exe	55
PID 4132 wrote to memory of 3436	4132	Desktop7436321.exe	55
PID 4132 wrote to memory of 3436	4132	Desktop7436321.exe	55
PID 4132 wrote to memory of 3436	4132	Desktop7436321.exe	55
PID 4132 wrote to memory of 3436	4132	Desktop7436321.exe	55
PID 4132 wrote to memory of 3436	4132	Desktop7436321.exe	55
PID 4132 wrote to memory of 3436	4132	Desktop7436321.exe	55
PID 4132 wrote to memory of 3436	4132	Desktop7436321.exe	55
PID 4132 wrote to memory of 3436	4132	Desktop7436321.exe	55
PID 4132 wrote to memory of 3436	4132	Desktop7436321.exe	55
PID 4132 wrote to memory of 3436	4132	Desktop7436321.exe	55
PID 4132 wrote to memory of 3436	4132	Desktop7436321.exe	55
PID 4132 wrote to memory of 3436	4132	Desktop7436321.exe	55

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:3436
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_824853a804ceaabca86b502245adfae1.exe
  "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_824853a804ceaabca86b502245adfae1.exe"
  2⤵
  - Checks computer location settings
  - Suspicious use of WriteProcessMemory
  PID:64
- - C:\Users\Admin\Desktop7436320.exe
    "C:\Users\Admin\Desktop7436320.exe"
    3⤵
    - Executes dropped EXE
    - Drops desktop.ini file(s)
    - Drops file in Windows directory
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:6008
  - - C:\Windows\Microsoft.NET\Framework\v2.0.50727\dw20.exe
      dw20.exe -x -s 940
      4⤵
      System Location Discovery: System Language Discovery
      Checks processor information in registry
      Enumerates system info in registry
      Suspicious use of AdjustPrivilegeToken
      PID:3284
- - C:\Users\Admin\Desktop7436321.exe
    "C:\Users\Admin\Desktop7436321.exe"
    3⤵
    - Executes dropped EXE
    - Maps connected drives based on registry
    - Suspicious use of SetThreadContext
    - System Location Discovery: System Language Discovery
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:1524
  - - C:\Users\Admin\Desktop7436321.exe
      "C:\Users\Admin\Desktop7436321.exe"
      4⤵
      Adds policy Run key to start application
      Boot or Logon Autostart Execution: Active Setup
      Executes dropped EXE
      Adds Run key to start application
      Drops file in System32 directory
      System Location Discovery: System Language Discovery
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of FindShellTrayWindow
      Suspicious use of WriteProcessMemory
      PID:4132
    - - C:\Windows\SysWOW64\explorer.exe
        
        explorer.exe
        5⤵
        Boot or Logon Autostart Execution: Active Setup
        System Location Discovery: System Language Discovery
        Suspicious use of AdjustPrivilegeToken
        
        PID:4644
    - - C:\Program Files\Internet Explorer\iexplore.exe
        
        "C:\Program Files\Internet Explorer\iexplore.exe"
        5⤵
        
        PID:4240
    - - C:\Users\Admin\Desktop7436321.exe
        
        "C:\Users\Admin\Desktop7436321.exe"
        5⤵
        Checks computer location settings
        Executes dropped EXE
        Drops file in System32 directory
        System Location Discovery: System Language Discovery
        Modifies registry class
        Suspicious use of AdjustPrivilegeToken
        
        PID:3596
      - C:\Windows\SysWOW64\WinDir\Svchost.exe
        
        "C:\Windows\system32\WinDir\Svchost.exe"
        6⤵
        Executes dropped EXE
        Maps connected drives based on registry
        Drops file in System32 directory
        Suspicious use of SetThreadContext
        System Location Discovery: System Language Discovery
        Suspicious use of SetWindowsHookEx
        
        PID:3676
        
        C:\Windows\SysWOW64\WinDir\Svchost.exe
        
        "C:\Windows\SysWOW64\WinDir\Svchost.exe"
        7⤵
        Executes dropped EXE
        System Location Discovery: System Language Discovery
        
        PID:2724
        
        C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 2724 -s 596
        8⤵
        Program crash
        
        PID:3632

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 2724 -ip 2724
1⤵
PID:4052

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

Peripheral Device Discovery

T1120

Query Registry

System Information Discovery