cybergate | 024ec80a74b5c27ad2181150d2260561ad8d1463d08dd399a4c15e43d57606ad

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	PGPdecrypt.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	PGPdecrypt.exe

Adds policy Run key to start application 2 TTPs 4 IoCs

persistence

Registry Run Keys / Startup Folder

Modify Registry

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run	PGPdecrypt.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\igxPersistModul = "C:\\Program Files (x86)\\Microsoft\\igxPersist.exe"	PGPdecrypt.exe
Key created	\REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run	PGPdecrypt.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\igxPersistModul = "C:\\Program Files (x86)\\Microsoft\\igxPersist.exe"	PGPdecrypt.exe

Boot or Logon Autostart Execution: Active Setup 2 TTPs 2 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\{P4CH671V-S634-16W8-KV24-IJ5NIJ58X57I}	PGPdecrypt.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{P4CH671V-S634-16W8-KV24-IJ5NIJ58X57I}\StubPath = "C:\\Program Files (x86)\\Microsoft\\igxPersist.exe Restart"	PGPdecrypt.exe

Checks computer location settings 2 TTPs 2 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\Control Panel\International\Geo\Nation	b0564038d3ceac6e8294f557cb8da184_JaffaCakes118.exe
Key value queried	\REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\Control Panel\International\Geo\Nation	igxPersist.exe

Executes dropped EXE 5 IoCs

pid	Process
4140	PGPdecrypt.exe
1892	PGPdecrypt.exe
3208	igxPersist.exe
4084	PGPdecrypt.exe
4836	PGPdecrypt.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-1-5-21-1045960512-3948844814-3059691613-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\igxPersistDLL = "C:\\Program Files (x86)\\Microsoft\\igxPersist.exe"	PGPdecrypt.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\igxPersistModul = "C:\\Program Files (x86)\\Microsoft\\igxPersist.exe"	PGPdecrypt.exe

Checks whether UAC is enabled 1 TTPs 2 IoCs

evasion trojan

System Information Discovery

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	PGPdecrypt.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	PGPdecrypt.exe

Maps connected drives based on registry 3 TTPs 8 IoCs

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

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0	b0564038d3ceac6e8294f557cb8da184_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\System\ControlSet001\Services\Disk\Enum	PGPdecrypt.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0	PGPdecrypt.exe
Key opened	\REGISTRY\MACHINE\System\ControlSet001\Services\Disk\Enum	igxPersist.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0	igxPersist.exe
Key opened	\REGISTRY\MACHINE\System\ControlSet001\Services\Disk\Enum	PGPdecrypt.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0	PGPdecrypt.exe
Key opened	\REGISTRY\MACHINE\System\ControlSet001\Services\Disk\Enum	b0564038d3ceac6e8294f557cb8da184_JaffaCakes118.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 4140 set thread context of 1892	4140	PGPdecrypt.exe	94
PID 4084 set thread context of 4836	4084	PGPdecrypt.exe	108

UPX packed file 4 IoCs

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

upx

resource	yara_rule
behavioral2/memory/1892-19-0x0000000024010000-0x0000000024072000-memory.dmp	upx
behavioral2/memory/1892-23-0x0000000024080000-0x00000000240E2000-memory.dmp	upx
behavioral2/memory/4048-85-0x0000000024080000-0x00000000240E2000-memory.dmp	upx
behavioral2/memory/4048-129-0x0000000024080000-0x00000000240E2000-memory.dmp	upx

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\Microsoft\igxPersist.exe	PGPdecrypt.exe
File opened for modification	C:\Program Files (x86)\Microsoft\igxPersist.exe	PGPdecrypt.exe

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

System Information Discovery
T1082

Program crash 4 IoCs

pid	pid_target	Process	procid_target
4448	760	WerFault.exe	84
1320	4140	WerFault.exe	88
544	3208	WerFault.exe	100
4024	4084	WerFault.exe	103

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	PGPdecrypt.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	explorer.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	igxPersist.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	PGPdecrypt.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	b0564038d3ceac6e8294f557cb8da184_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	PGPdecrypt.exe

Suspicious behavior: EnumeratesProcesses 28 IoCs

pid	Process
760	b0564038d3ceac6e8294f557cb8da184_JaffaCakes118.exe
760	b0564038d3ceac6e8294f557cb8da184_JaffaCakes118.exe
760	b0564038d3ceac6e8294f557cb8da184_JaffaCakes118.exe
760	b0564038d3ceac6e8294f557cb8da184_JaffaCakes118.exe
760	b0564038d3ceac6e8294f557cb8da184_JaffaCakes118.exe
760	b0564038d3ceac6e8294f557cb8da184_JaffaCakes118.exe
4140	PGPdecrypt.exe
4140	PGPdecrypt.exe
4140	PGPdecrypt.exe
4140	PGPdecrypt.exe
4140	PGPdecrypt.exe
4140	PGPdecrypt.exe
1892	PGPdecrypt.exe
1892	PGPdecrypt.exe
3208	igxPersist.exe
3208	igxPersist.exe
3208	igxPersist.exe
3208	igxPersist.exe
3208	igxPersist.exe
3208	igxPersist.exe
4084	PGPdecrypt.exe
4084	PGPdecrypt.exe
4084	PGPdecrypt.exe
4084	PGPdecrypt.exe
4084	PGPdecrypt.exe
4084	PGPdecrypt.exe
4836	PGPdecrypt.exe
4836	PGPdecrypt.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
4048	explorer.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	4048	explorer.exe
Token: SeDebugPrivilege	4048	explorer.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1892	PGPdecrypt.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 760 wrote to memory of 4140	760	b0564038d3ceac6e8294f557cb8da184_JaffaCakes118.exe	88
PID 760 wrote to memory of 4140	760	b0564038d3ceac6e8294f557cb8da184_JaffaCakes118.exe	88
PID 760 wrote to memory of 4140	760	b0564038d3ceac6e8294f557cb8da184_JaffaCakes118.exe	88
PID 4140 wrote to memory of 1892	4140	PGPdecrypt.exe	94
PID 4140 wrote to memory of 1892	4140	PGPdecrypt.exe	94
PID 4140 wrote to memory of 1892	4140	PGPdecrypt.exe	94
PID 4140 wrote to memory of 1892	4140	PGPdecrypt.exe	94
PID 4140 wrote to memory of 1892	4140	PGPdecrypt.exe	94
PID 1892 wrote to memory of 3388	1892	PGPdecrypt.exe	55
PID 1892 wrote to memory of 3388	1892	PGPdecrypt.exe	55
PID 1892 wrote to memory of 3388	1892	PGPdecrypt.exe	55
PID 1892 wrote to memory of 3388	1892	PGPdecrypt.exe	55
PID 1892 wrote to memory of 3388	1892	PGPdecrypt.exe	55
PID 1892 wrote to memory of 3388	1892	PGPdecrypt.exe	55
PID 1892 wrote to memory of 3388	1892	PGPdecrypt.exe	55
PID 1892 wrote to memory of 3388	1892	PGPdecrypt.exe	55
PID 1892 wrote to memory of 3388	1892	PGPdecrypt.exe	55
PID 1892 wrote to memory of 3388	1892	PGPdecrypt.exe	55
PID 1892 wrote to memory of 3388	1892	PGPdecrypt.exe	55
PID 1892 wrote to memory of 3388	1892	PGPdecrypt.exe	55
PID 1892 wrote to memory of 3388	1892	PGPdecrypt.exe	55
PID 1892 wrote to memory of 3388	1892	PGPdecrypt.exe	55
PID 1892 wrote to memory of 3388	1892	PGPdecrypt.exe	55
PID 1892 wrote to memory of 3388	1892	PGPdecrypt.exe	55
PID 1892 wrote to memory of 3388	1892	PGPdecrypt.exe	55
PID 1892 wrote to memory of 3388	1892	PGPdecrypt.exe	55
PID 1892 wrote to memory of 3388	1892	PGPdecrypt.exe	55
PID 1892 wrote to memory of 3388	1892	PGPdecrypt.exe	55
PID 1892 wrote to memory of 3388	1892	PGPdecrypt.exe	55
PID 1892 wrote to memory of 3388	1892	PGPdecrypt.exe	55
PID 1892 wrote to memory of 3388	1892	PGPdecrypt.exe	55
PID 1892 wrote to memory of 3388	1892	PGPdecrypt.exe	55
PID 1892 wrote to memory of 3388	1892	PGPdecrypt.exe	55
PID 1892 wrote to memory of 3388	1892	PGPdecrypt.exe	55
PID 1892 wrote to memory of 3388	1892	PGPdecrypt.exe	55
PID 1892 wrote to memory of 3388	1892	PGPdecrypt.exe	55
PID 1892 wrote to memory of 3388	1892	PGPdecrypt.exe	55
PID 1892 wrote to memory of 3388	1892	PGPdecrypt.exe	55
PID 1892 wrote to memory of 3388	1892	PGPdecrypt.exe	55
PID 1892 wrote to memory of 3388	1892	PGPdecrypt.exe	55
PID 1892 wrote to memory of 3388	1892	PGPdecrypt.exe	55
PID 1892 wrote to memory of 3388	1892	PGPdecrypt.exe	55
PID 1892 wrote to memory of 3388	1892	PGPdecrypt.exe	55
PID 1892 wrote to memory of 3388	1892	PGPdecrypt.exe	55
PID 1892 wrote to memory of 3388	1892	PGPdecrypt.exe	55
PID 1892 wrote to memory of 3388	1892	PGPdecrypt.exe	55
PID 1892 wrote to memory of 3388	1892	PGPdecrypt.exe	55
PID 1892 wrote to memory of 3388	1892	PGPdecrypt.exe	55
PID 1892 wrote to memory of 3388	1892	PGPdecrypt.exe	55
PID 1892 wrote to memory of 3388	1892	PGPdecrypt.exe	55
PID 1892 wrote to memory of 3388	1892	PGPdecrypt.exe	55
PID 1892 wrote to memory of 3388	1892	PGPdecrypt.exe	55
PID 1892 wrote to memory of 3388	1892	PGPdecrypt.exe	55
PID 1892 wrote to memory of 3388	1892	PGPdecrypt.exe	55
PID 1892 wrote to memory of 3388	1892	PGPdecrypt.exe	55
PID 1892 wrote to memory of 3388	1892	PGPdecrypt.exe	55
PID 1892 wrote to memory of 3388	1892	PGPdecrypt.exe	55
PID 1892 wrote to memory of 3388	1892	PGPdecrypt.exe	55
PID 1892 wrote to memory of 3388	1892	PGPdecrypt.exe	55
PID 1892 wrote to memory of 3388	1892	PGPdecrypt.exe	55
PID 1892 wrote to memory of 3388	1892	PGPdecrypt.exe	55
PID 1892 wrote to memory of 3388	1892	PGPdecrypt.exe	55
PID 1892 wrote to memory of 3388	1892	PGPdecrypt.exe	55
PID 1892 wrote to memory of 3388	1892	PGPdecrypt.exe	55

System policy modification 1 TTPs 2 IoCs

evasion

Modify Registry

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	PGPdecrypt.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	PGPdecrypt.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:3388
- C:\Users\Admin\AppData\Local\Temp\b0564038d3ceac6e8294f557cb8da184_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\b0564038d3ceac6e8294f557cb8da184_JaffaCakes118.exe"
  2⤵
  - Checks computer location settings
  - Maps connected drives based on registry
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:760
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 760 -s 420
    3⤵
    - Program crash
    PID:4448
- - C:\Users\Admin\AppData\Roaming\PGPdecrypt.exe
    "C:\Users\Admin\AppData\Roaming\PGPdecrypt.exe" qgvrwehbny
    3⤵
    - UAC bypass
    - Executes dropped EXE
    - Checks whether UAC is enabled
    - Maps connected drives based on registry
    - Suspicious use of SetThreadContext
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of WriteProcessMemory
    - System policy modification
    PID:4140
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4140 -s 420
      4⤵
      Program crash
      PID:1320
  - - C:\Users\Admin\AppData\Roaming\PGPdecrypt.exe
      "C:\Users\Admin\AppData\Roaming\PGPdecrypt.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 Program Files directory
      System Location Discovery: System Language Discovery
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of FindShellTrayWindow
      Suspicious use of WriteProcessMemory
      PID:1892
    - - C:\Windows\SysWOW64\explorer.exe
        
        explorer.exe
        5⤵
        System Location Discovery: System Language Discovery
        Suspicious behavior: GetForegroundWindowSpam
        Suspicious use of AdjustPrivilegeToken
        
        PID:4048
      - C:\Program Files (x86)\Microsoft\igxPersist.exe
        
        "C:\Program Files (x86)\Microsoft\igxPersist.exe"
        6⤵
        Checks computer location settings
        Executes dropped EXE
        Maps connected drives based on registry
        System Location Discovery: System Language Discovery
        Suspicious behavior: EnumeratesProcesses
        
        PID:3208
        
        C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 3208 -s 420
        7⤵
        Program crash
        
        PID:544
        
        C:\Users\Admin\AppData\Roaming\PGPdecrypt.exe
        
        "C:\Users\Admin\AppData\Roaming\PGPdecrypt.exe" qgvrwehbny
        7⤵
        UAC bypass
        Executes dropped EXE
        Checks whether UAC is enabled
        Maps connected drives based on registry
        Suspicious use of SetThreadContext
        System Location Discovery: System Language Discovery
        Suspicious behavior: EnumeratesProcesses
        System policy modification
        
        PID:4084
        
        C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 4084 -s 396
        8⤵
        Program crash
        
        PID:4024
        
        C:\Users\Admin\AppData\Roaming\PGPdecrypt.exe
        
        "C:\Users\Admin\AppData\Roaming\PGPdecrypt.exe"
        8⤵
        Executes dropped EXE
        Suspicious behavior: EnumeratesProcesses
        
        PID:4836

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 208 -p 760 -ip 760
1⤵
PID:2936

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 4140 -ip 4140
1⤵
PID:2668

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 376 -p 3208 -ip 3208
1⤵
PID:3004

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 532 -p 4084 -ip 4084
1⤵
PID:3100

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

Abuse Elevation Control Mechanism

T1548

Bypass User Account Control

T1548.002

Boot or Logon Autostart Execution

T1547

Active Setup

T1547.014

Registry Run Keys / Startup Folder

Defense Evasion

Abuse Elevation Control Mechanism

T1548

Bypass User Account Control

T1548.002

Impair Defenses

T1562

Disable or Modify Tools

T1562.001

Modify Registry

Credential Access

Discovery

Peripheral Device Discovery

T1120

Query Registry

T1012

System Information Discovery