cybergate | b24be71c41eab0b846d1dadbbc6f14f20fc2f24110b9b1ffb68694d596c5d903

Modify Registry

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run	crypter.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\Policies = "C:\\Windows\\system32\\windir\\svchost.exe"	crypter.exe
Key created	\REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run	crypter.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\Policies = "C:\\Windows\\system32\\windir\\svchost.exe"	crypter.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\{MO55014U-C4KJ-O817-GX14-Y474J52P3S4P}	explorer.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{MO55014U-C4KJ-O817-GX14-Y474J52P3S4P}\StubPath = "C:\\Windows\\system32\\windir\\svchost.exe"	explorer.exe
Key created	\REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Active Setup\Installed Components\{MO55014U-C4KJ-O817-GX14-Y474J52P3S4P}	crypter.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{MO55014U-C4KJ-O817-GX14-Y474J52P3S4P}\StubPath = "C:\\Windows\\system32\\windir\\svchost.exe Restart"	crypter.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-1-5-21-1045960512-3948844814-3059691613-1000\Control Panel\International\Geo\Nation	crypter.exe
Key value queried	\REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\Control Panel\International\Geo\Nation	crypter.exe

Executes dropped EXE 4 IoCs

pid	Process
1596	crypter.exe
4860	crypter.exe
1716	svchost.exe
1812	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"	crypter.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\HKCU = "C:\\Windows\\system32\\windir\\svchost.exe"	crypter.exe

Drops file in System32 directory 2 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\windir\svchost.exe	crypter.exe
File opened for modification	C:\Windows\SysWOW64\windir\svchost.exe	crypter.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1224 set thread context of 1596	1224	JaffaCakes118_118caa481c43160f458298ba1a007cff.exe	85

UPX packed file 4 IoCs

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

upx

resource	yara_rule
behavioral2/memory/1596-20-0x0000000010410000-0x0000000010475000-memory.dmp	upx
behavioral2/memory/1596-81-0x0000000010480000-0x00000000104E5000-memory.dmp	upx
behavioral2/memory/3044-86-0x0000000010480000-0x00000000104E5000-memory.dmp	upx
behavioral2/memory/3044-186-0x0000000010480000-0x00000000104E5000-memory.dmp	upx

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 6 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	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_118caa481c43160f458298ba1a007cff.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	crypter.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	dw20.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	explorer.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	crypter.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 value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU	dw20.exe
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\BIOS	dw20.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
1224	JaffaCakes118_118caa481c43160f458298ba1a007cff.exe
1596	crypter.exe
1596	crypter.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
4860	crypter.exe

Suspicious use of AdjustPrivilegeToken 11 IoCs

description	pid	Process
Token: SeDebugPrivilege	1224	JaffaCakes118_118caa481c43160f458298ba1a007cff.exe
Token: SeRestorePrivilege	956	dw20.exe
Token: SeBackupPrivilege	956	dw20.exe
Token: SeBackupPrivilege	956	dw20.exe
Token: SeBackupPrivilege	956	dw20.exe
Token: SeBackupPrivilege	3044	explorer.exe
Token: SeRestorePrivilege	3044	explorer.exe
Token: SeBackupPrivilege	4860	crypter.exe
Token: SeRestorePrivilege	4860	crypter.exe
Token: SeDebugPrivilege	4860	crypter.exe
Token: SeDebugPrivilege	4860	crypter.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1596	crypter.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1224 wrote to memory of 1596	1224	JaffaCakes118_118caa481c43160f458298ba1a007cff.exe	85
PID 1224 wrote to memory of 1596	1224	JaffaCakes118_118caa481c43160f458298ba1a007cff.exe	85
PID 1224 wrote to memory of 1596	1224	JaffaCakes118_118caa481c43160f458298ba1a007cff.exe	85
PID 1224 wrote to memory of 1596	1224	JaffaCakes118_118caa481c43160f458298ba1a007cff.exe	85
PID 1224 wrote to memory of 1596	1224	JaffaCakes118_118caa481c43160f458298ba1a007cff.exe	85
PID 1224 wrote to memory of 1596	1224	JaffaCakes118_118caa481c43160f458298ba1a007cff.exe	85
PID 1224 wrote to memory of 1596	1224	JaffaCakes118_118caa481c43160f458298ba1a007cff.exe	85
PID 1224 wrote to memory of 1596	1224	JaffaCakes118_118caa481c43160f458298ba1a007cff.exe	85
PID 1224 wrote to memory of 1596	1224	JaffaCakes118_118caa481c43160f458298ba1a007cff.exe	85
PID 1224 wrote to memory of 1596	1224	JaffaCakes118_118caa481c43160f458298ba1a007cff.exe	85
PID 1224 wrote to memory of 1596	1224	JaffaCakes118_118caa481c43160f458298ba1a007cff.exe	85
PID 1224 wrote to memory of 1596	1224	JaffaCakes118_118caa481c43160f458298ba1a007cff.exe	85
PID 1224 wrote to memory of 1596	1224	JaffaCakes118_118caa481c43160f458298ba1a007cff.exe	85
PID 1224 wrote to memory of 956	1224	JaffaCakes118_118caa481c43160f458298ba1a007cff.exe	86
PID 1224 wrote to memory of 956	1224	JaffaCakes118_118caa481c43160f458298ba1a007cff.exe	86
PID 1224 wrote to memory of 956	1224	JaffaCakes118_118caa481c43160f458298ba1a007cff.exe	86
PID 1596 wrote to memory of 3432	1596	crypter.exe	56
PID 1596 wrote to memory of 3432	1596	crypter.exe	56
PID 1596 wrote to memory of 3432	1596	crypter.exe	56
PID 1596 wrote to memory of 3432	1596	crypter.exe	56
PID 1596 wrote to memory of 3432	1596	crypter.exe	56
PID 1596 wrote to memory of 3432	1596	crypter.exe	56
PID 1596 wrote to memory of 3432	1596	crypter.exe	56
PID 1596 wrote to memory of 3432	1596	crypter.exe	56
PID 1596 wrote to memory of 3432	1596	crypter.exe	56
PID 1596 wrote to memory of 3432	1596	crypter.exe	56
PID 1596 wrote to memory of 3432	1596	crypter.exe	56
PID 1596 wrote to memory of 3432	1596	crypter.exe	56
PID 1596 wrote to memory of 3432	1596	crypter.exe	56
PID 1596 wrote to memory of 3432	1596	crypter.exe	56
PID 1596 wrote to memory of 3432	1596	crypter.exe	56
PID 1596 wrote to memory of 3432	1596	crypter.exe	56
PID 1596 wrote to memory of 3432	1596	crypter.exe	56
PID 1596 wrote to memory of 3432	1596	crypter.exe	56
PID 1596 wrote to memory of 3432	1596	crypter.exe	56
PID 1596 wrote to memory of 3432	1596	crypter.exe	56
PID 1596 wrote to memory of 3432	1596	crypter.exe	56
PID 1596 wrote to memory of 3432	1596	crypter.exe	56
PID 1596 wrote to memory of 3432	1596	crypter.exe	56
PID 1596 wrote to memory of 3432	1596	crypter.exe	56
PID 1596 wrote to memory of 3432	1596	crypter.exe	56
PID 1596 wrote to memory of 3432	1596	crypter.exe	56
PID 1596 wrote to memory of 3432	1596	crypter.exe	56
PID 1596 wrote to memory of 3432	1596	crypter.exe	56
PID 1596 wrote to memory of 3432	1596	crypter.exe	56
PID 1596 wrote to memory of 3432	1596	crypter.exe	56
PID 1596 wrote to memory of 3432	1596	crypter.exe	56
PID 1596 wrote to memory of 3432	1596	crypter.exe	56
PID 1596 wrote to memory of 3432	1596	crypter.exe	56
PID 1596 wrote to memory of 3432	1596	crypter.exe	56
PID 1596 wrote to memory of 3432	1596	crypter.exe	56
PID 1596 wrote to memory of 3432	1596	crypter.exe	56
PID 1596 wrote to memory of 3432	1596	crypter.exe	56
PID 1596 wrote to memory of 3432	1596	crypter.exe	56
PID 1596 wrote to memory of 3432	1596	crypter.exe	56
PID 1596 wrote to memory of 3432	1596	crypter.exe	56
PID 1596 wrote to memory of 3432	1596	crypter.exe	56
PID 1596 wrote to memory of 3432	1596	crypter.exe	56
PID 1596 wrote to memory of 3432	1596	crypter.exe	56
PID 1596 wrote to memory of 3432	1596	crypter.exe	56
PID 1596 wrote to memory of 3432	1596	crypter.exe	56
PID 1596 wrote to memory of 3432	1596	crypter.exe	56
PID 1596 wrote to memory of 3432	1596	crypter.exe	56
PID 1596 wrote to memory of 3432	1596	crypter.exe	56

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:3432
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_118caa481c43160f458298ba1a007cff.exe
  "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_118caa481c43160f458298ba1a007cff.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1224
- - C:\Users\Admin\AppData\Roaming\crypter.exe
    C:\Users\Admin\AppData\Roaming\crypter.exe
    3⤵
    - Adds policy Run key to start application
    - Boot or Logon Autostart Execution: Active Setup
    - Checks computer location settings
    - 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:1596
  - - C:\Windows\SysWOW64\explorer.exe
      explorer.exe
      4⤵
      Boot or Logon Autostart Execution: Active Setup
      System Location Discovery: System Language Discovery
      Suspicious use of AdjustPrivilegeToken
      PID:3044
  - - C:\Program Files\Internet Explorer\iexplore.exe
      "C:\Program Files\Internet Explorer\iexplore.exe"
      4⤵
      PID:2756
  - - C:\Users\Admin\AppData\Roaming\crypter.exe
      "C:\Users\Admin\AppData\Roaming\crypter.exe"
      4⤵
      Checks computer location settings
      Executes dropped EXE
      System Location Discovery: System Language Discovery
      Suspicious behavior: GetForegroundWindowSpam
      Suspicious use of AdjustPrivilegeToken
      PID:4860
    - - C:\Windows\SysWOW64\windir\svchost.exe
        
        "C:\Windows\system32\windir\svchost.exe"
        5⤵
        Executes dropped EXE
        
        PID:1812
  - - C:\Windows\SysWOW64\windir\svchost.exe
      "C:\Windows\system32\windir\svchost.exe"
      4⤵
      Executes dropped EXE
      System Location Discovery: System Language Discovery
      PID:1716
- - C:\Windows\Microsoft.NET\Framework\v2.0.50727\dw20.exe
    dw20.exe -x -s 1460
    3⤵
    - System Location Discovery: System Language Discovery
    - Checks processor information in registry
    - Enumerates system info in registry
    - Suspicious use of AdjustPrivilegeToken
    PID:956

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