cybergate | 16201e427085c22f33f0263fb0bf38620e9b7c20ccb502aa2a60a69597ef49eb

Modify Registry

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run	update.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\APP_DATA = "C:\\Windows\\system32\\WDR\\svchost.exe"	update.exe
Key created	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run	update.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\APP_DATA = "C:\\Windows\\system32\\WDR\\svchost.exe"	update.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
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{H10M2CW8-0510-72H7-QE28-KLJ0GC1DGFsL2}\StubPath = "C:\\Windows\\system32\\WDR\\svchost.exe"	explorer.exe
Key created	\REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Active Setup\Installed Components\{H10M2CW8-0510-72H7-QE28-KLJ0GC1DGFsL2}	update.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{H10M2CW8-0510-72H7-QE28-KLJ0GC1DGFsL2}\StubPath = "C:\\Windows\\system32\\WDR\\svchost.exe Restart"	update.exe
Key created	\REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Active Setup\Installed Components\{H10M2CW8-0510-72H7-QE28-KLJ0GC1DGFsL2}	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-1-5-21-3350944739-639801879-157714471-1000\Control Panel\International\Geo\Nation	update.exe
Key value queried	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\Control Panel\International\Geo\Nation	SpyNet.exe

Executes dropped EXE 6 IoCs

pid	Process
3540	update.exe
560	update.exe
1440	SpyNet.exe
3664	update.exe
2996	svchost.exe
2944	svchost.exe

Adds Run key to start application 2 TTPs 3 IoCs

persistence

Registry Run Keys / Startup Folder

Modify Registry

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce\wextract_cleanup0 = "rundll32.exe C:\\Windows\\system32\\advpack.dll,DelNodeRunDLL32 \"C:\\Users\\Admin\\AppData\\Local\\Temp\\IXP000.TMP\\\""	e86ad40904b8d251d9ddef1d1a54a26b_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\SYSTEM.DLL = "C:\\Windows\\system32\\WDR\\svchost.exe"	update.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\CALC_Sysrem = "C:\\Windows\\system32\\WDR\\svchost.exe"	update.exe

Drops file in System32 directory 5 IoCs

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

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 3540 set thread context of 560	3540	update.exe	84
PID 2996 set thread context of 2944	2996	svchost.exe	89

UPX packed file 6 IoCs

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

upx

resource	yara_rule
behavioral2/files/0x0008000000023cae-17.dat	upx
behavioral2/memory/1440-19-0x0000000000400000-0x0000000000957000-memory.dmp	upx
behavioral2/memory/1440-20-0x0000000000400000-0x0000000000957000-memory.dmp	upx
behavioral2/memory/560-24-0x0000000024010000-0x0000000024072000-memory.dmp	upx
behavioral2/memory/560-28-0x0000000024080000-0x00000000240E2000-memory.dmp	upx
behavioral2/memory/1440-1237-0x0000000000400000-0x0000000000957000-memory.dmp	upx

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
2420	2944	WerFault.exe	89

System Location Discovery: System Language Discovery 1 TTPs 9 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	e86ad40904b8d251d9ddef1d1a54a26b_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	update.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	explorer.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	SpyNet.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	update.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	update.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cscript.exe

Checks SCSI registry key(s) 3 TTPs 8 IoCs

SCSI 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\Enum\SCSI\CDROM&VEN_MSFT&PROD_VIRTUAL_DVD-ROM\2&1F4ADFFE&0&000002	SpyNet.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CdRom&Ven_Msft&Prod_Virtual_DVD-ROM\2&1f4adffe&0&000002\Phantom	SpyNet.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\DISK&VEN_WDC&PROD_WDS100T2B0A\4&215468A5&0&000000	SpyNet.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_WDC&Prod_WDS100T2B0A\4&215468a5&0&000000\ConfigFlags	SpyNet.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CDROM&VEN_QEMU&PROD_QEMU_DVD-ROM\4&215468A5&0&010000	SpyNet.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CdRom&Ven_QEMU&Prod_QEMU_DVD-ROM\4&215468a5&0&010000\ConfigFlags	SpyNet.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CDROM&VEN_MSFT&PROD_VIRTUAL_DVD-ROM\2&1F4ADFFE&0&000001	SpyNet.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CdRom&Ven_Msft&Prod_Virtual_DVD-ROM\2&1f4adffe&0&000001\Phantom	SpyNet.exe

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

Modifies registry class 1 IoCs

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

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
560	update.exe
560	update.exe
560	update.exe
560	update.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
3664	update.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	3664	update.exe
Token: SeDebugPrivilege	3664	update.exe

Suspicious use of FindShellTrayWindow 7 IoCs

pid	Process
1440	SpyNet.exe
1440	SpyNet.exe
1440	SpyNet.exe
1440	SpyNet.exe
1440	SpyNet.exe
1440	SpyNet.exe
560	update.exe

Suspicious use of SendNotifyMessage 6 IoCs

pid	Process
1440	SpyNet.exe
1440	SpyNet.exe
1440	SpyNet.exe
1440	SpyNet.exe
1440	SpyNet.exe
1440	SpyNet.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
3540	update.exe
3540	update.exe
3540	update.exe
2996	svchost.exe
2996	svchost.exe
2996	svchost.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4936 wrote to memory of 3540	4936	e86ad40904b8d251d9ddef1d1a54a26b_JaffaCakes118.exe	83
PID 4936 wrote to memory of 3540	4936	e86ad40904b8d251d9ddef1d1a54a26b_JaffaCakes118.exe	83
PID 4936 wrote to memory of 3540	4936	e86ad40904b8d251d9ddef1d1a54a26b_JaffaCakes118.exe	83
PID 3540 wrote to memory of 560	3540	update.exe	84
PID 3540 wrote to memory of 560	3540	update.exe	84
PID 3540 wrote to memory of 560	3540	update.exe	84
PID 3540 wrote to memory of 560	3540	update.exe	84
PID 3540 wrote to memory of 560	3540	update.exe	84
PID 3540 wrote to memory of 560	3540	update.exe	84
PID 3540 wrote to memory of 560	3540	update.exe	84
PID 3540 wrote to memory of 560	3540	update.exe	84
PID 3540 wrote to memory of 560	3540	update.exe	84
PID 3540 wrote to memory of 560	3540	update.exe	84
PID 3540 wrote to memory of 560	3540	update.exe	84
PID 3540 wrote to memory of 560	3540	update.exe	84
PID 3540 wrote to memory of 560	3540	update.exe	84
PID 4936 wrote to memory of 1440	4936	e86ad40904b8d251d9ddef1d1a54a26b_JaffaCakes118.exe	85
PID 4936 wrote to memory of 1440	4936	e86ad40904b8d251d9ddef1d1a54a26b_JaffaCakes118.exe	85
PID 4936 wrote to memory of 1440	4936	e86ad40904b8d251d9ddef1d1a54a26b_JaffaCakes118.exe	85
PID 560 wrote to memory of 3520	560	update.exe	56
PID 560 wrote to memory of 3520	560	update.exe	56
PID 560 wrote to memory of 3520	560	update.exe	56
PID 560 wrote to memory of 3520	560	update.exe	56
PID 560 wrote to memory of 3520	560	update.exe	56
PID 560 wrote to memory of 3520	560	update.exe	56
PID 560 wrote to memory of 3520	560	update.exe	56
PID 560 wrote to memory of 3520	560	update.exe	56
PID 560 wrote to memory of 3520	560	update.exe	56
PID 560 wrote to memory of 3520	560	update.exe	56
PID 560 wrote to memory of 3520	560	update.exe	56
PID 560 wrote to memory of 3520	560	update.exe	56
PID 560 wrote to memory of 3520	560	update.exe	56
PID 560 wrote to memory of 3520	560	update.exe	56
PID 560 wrote to memory of 3520	560	update.exe	56
PID 560 wrote to memory of 3520	560	update.exe	56
PID 560 wrote to memory of 3520	560	update.exe	56
PID 560 wrote to memory of 3520	560	update.exe	56
PID 560 wrote to memory of 3520	560	update.exe	56
PID 560 wrote to memory of 3520	560	update.exe	56
PID 560 wrote to memory of 3520	560	update.exe	56
PID 560 wrote to memory of 3520	560	update.exe	56
PID 560 wrote to memory of 3520	560	update.exe	56
PID 560 wrote to memory of 3520	560	update.exe	56
PID 560 wrote to memory of 3520	560	update.exe	56
PID 560 wrote to memory of 3520	560	update.exe	56
PID 560 wrote to memory of 3520	560	update.exe	56
PID 560 wrote to memory of 3520	560	update.exe	56
PID 560 wrote to memory of 3520	560	update.exe	56
PID 560 wrote to memory of 3520	560	update.exe	56
PID 560 wrote to memory of 3520	560	update.exe	56
PID 560 wrote to memory of 3520	560	update.exe	56
PID 560 wrote to memory of 3520	560	update.exe	56
PID 560 wrote to memory of 3520	560	update.exe	56
PID 560 wrote to memory of 3520	560	update.exe	56
PID 560 wrote to memory of 3520	560	update.exe	56
PID 560 wrote to memory of 3520	560	update.exe	56
PID 560 wrote to memory of 3520	560	update.exe	56
PID 560 wrote to memory of 3520	560	update.exe	56
PID 560 wrote to memory of 3520	560	update.exe	56
PID 560 wrote to memory of 3520	560	update.exe	56
PID 560 wrote to memory of 3520	560	update.exe	56
PID 560 wrote to memory of 3520	560	update.exe	56
PID 560 wrote to memory of 3520	560	update.exe	56
PID 560 wrote to memory of 3520	560	update.exe	56

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:3520
- C:\Users\Admin\AppData\Local\Temp\e86ad40904b8d251d9ddef1d1a54a26b_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\e86ad40904b8d251d9ddef1d1a54a26b_JaffaCakes118.exe"
  2⤵
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4936
- - C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\update.exe
    C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\update.exe
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - System Location Discovery: System Language Discovery
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:3540
  - - C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\update.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:560
    - - C:\Windows\SysWOW64\explorer.exe
        
        explorer.exe
        5⤵
        Boot or Logon Autostart Execution: Active Setup
        System Location Discovery: System Language Discovery
        
        PID:3744
    - - C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\update.exe
        
        "C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\update.exe"
        5⤵
        Checks computer location settings
        Executes dropped EXE
        Drops file in System32 directory
        System Location Discovery: System Language Discovery
        Modifies registry class
        Suspicious behavior: GetForegroundWindowSpam
        Suspicious use of AdjustPrivilegeToken
        
        PID:3664
      - C:\Windows\SysWOW64\WDR\svchost.exe
        
        "C:\Windows\system32\WDR\svchost.exe"
        6⤵
        Executes dropped EXE
        Drops file in System32 directory
        Suspicious use of SetThreadContext
        System Location Discovery: System Language Discovery
        Suspicious use of SetWindowsHookEx
        
        PID:2996
        
        C:\Windows\SysWOW64\WDR\svchost.exe
        
        7⤵
        Executes dropped EXE
        System Location Discovery: System Language Discovery
        
        PID:2944
        
        C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 2944 -s 568
        8⤵
        Program crash
        
        PID:2420
- - C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\SpyNet.exe
    C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\SpyNet.exe
    3⤵
    - Checks computer location settings
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    - Checks SCSI registry key(s)
    - Checks processor information in registry
    - Suspicious use of FindShellTrayWindow
    - Suspicious use of SendNotifyMessage
    PID:1440
  - - C:\Windows\SysWOW64\cscript.exe
      "C:\Windows\system32\cscript.exe" "C:\Users\Admin\AppData\Local\Temp\teste.vbs"
      4⤵
      System Location Discovery: System Language Discovery
      PID:2676

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 2944 -ip 2944
1⤵
PID:3576

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