cybergate | 0e4751fa8b9f315979270d73b1311a84404ca6b57f9477500953678b2b84cfa0

Modify Registry

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run	f94f2a1c83b883663a8d5663605ac996_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\Policies = "C:\\Windows\\system32\\install\\server.exe"	f94f2a1c83b883663a8d5663605ac996_JaffaCakes118.exe
Key created	\REGISTRY\USER\S-1-5-21-3198953144-1466794930-246379610-1000\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run	f94f2a1c83b883663a8d5663605ac996_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3198953144-1466794930-246379610-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\Policies = "C:\\Windows\\system32\\install\\server.exe"	f94f2a1c83b883663a8d5663605ac996_JaffaCakes118.exe

Modifies Installed Components in the registry 2 TTPs 4 IoCs

persistence

Registry Run Keys / Startup Folder

Modify Registry

description	ioc	Process
Key created	\REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Active Setup\Installed Components\{W4KNN7UF-147F-77E5-MO3B-4YI0WT1G3G4M}	f94f2a1c83b883663a8d5663605ac996_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{W4KNN7UF-147F-77E5-MO3B-4YI0WT1G3G4M}\StubPath = "C:\\Windows\\system32\\install\\server.exe Restart"	f94f2a1c83b883663a8d5663605ac996_JaffaCakes118.exe
Key created	\REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Active Setup\Installed Components\{W4KNN7UF-147F-77E5-MO3B-4YI0WT1G3G4M}	explorer.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{W4KNN7UF-147F-77E5-MO3B-4YI0WT1G3G4M}\StubPath = "C:\\Windows\\system32\\install\\server.exe"	explorer.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\SystemBiosDate	f94f2a1c83b883663a8d5663605ac996_JaffaCakes118.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	f94f2a1c83b883663a8d5663605ac996_JaffaCakes118.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosDate	server.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	server.exe

Checks computer location settings 2 TTPs 1 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-1-5-21-3198953144-1466794930-246379610-1000\Control Panel\International\Geo\Nation	f94f2a1c83b883663a8d5663605ac996_JaffaCakes118.exe

Executes dropped EXE 2 IoCs

pid	Process
4900	server.exe
4144	server.exe

UPX packed file 13 IoCs

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

upx

resource	yara_rule
behavioral2/memory/736-8-0x0000000000400000-0x0000000000457000-memory.dmp	upx
behavioral2/memory/736-10-0x0000000000400000-0x0000000000457000-memory.dmp	upx
behavioral2/memory/736-13-0x0000000000400000-0x0000000000457000-memory.dmp	upx
behavioral2/memory/736-17-0x0000000024010000-0x0000000024072000-memory.dmp	upx
behavioral2/memory/736-77-0x0000000024080000-0x00000000240E2000-memory.dmp	upx
behavioral2/memory/2460-82-0x0000000024080000-0x00000000240E2000-memory.dmp	upx
behavioral2/memory/736-103-0x0000000000400000-0x0000000000457000-memory.dmp	upx
behavioral2/memory/3556-153-0x0000000024160000-0x00000000241C2000-memory.dmp	upx
behavioral2/memory/736-155-0x0000000000400000-0x0000000000457000-memory.dmp	upx
behavioral2/memory/2460-176-0x0000000024080000-0x00000000240E2000-memory.dmp	upx
behavioral2/memory/4144-196-0x0000000000400000-0x0000000000457000-memory.dmp	upx
behavioral2/memory/4144-199-0x0000000000400000-0x0000000000457000-memory.dmp	upx
behavioral2/memory/3556-686-0x0000000024160000-0x00000000241C2000-memory.dmp	upx

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\\install\\server.exe"	f94f2a1c83b883663a8d5663605ac996_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3198953144-1466794930-246379610-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\HKCU = "C:\\Windows\\system32\\install\\server.exe"	f94f2a1c83b883663a8d5663605ac996_JaffaCakes118.exe

Drops file in System32 directory 5 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\install\server.exe	f94f2a1c83b883663a8d5663605ac996_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\install\	f94f2a1c83b883663a8d5663605ac996_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\install\server.exe	server.exe
File created	C:\Windows\SysWOW64\install\server.exe	f94f2a1c83b883663a8d5663605ac996_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\install\server.exe	f94f2a1c83b883663a8d5663605ac996_JaffaCakes118.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 1328 set thread context of 736	1328	f94f2a1c83b883663a8d5663605ac996_JaffaCakes118.exe	86
PID 4900 set thread context of 4144	4900	server.exe	93

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
2144	4144	WerFault.exe	93

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	f94f2a1c83b883663a8d5663605ac996_JaffaCakes118.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\Identifier	server.exe

Modifies registry class 5 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\ad1524300687u.hnx	server.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\ad1524300687u.hnx\ = b3460b000000000073f5d965232be640	server.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\ad1524300687u.hnx	f94f2a1c83b883663a8d5663605ac996_JaffaCakes118.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\ad1524300687u.hnx\ = ea13d083c8562216720dddf6eb9b9320	f94f2a1c83b883663a8d5663605ac996_JaffaCakes118.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\	f94f2a1c83b883663a8d5663605ac996_JaffaCakes118.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
736	f94f2a1c83b883663a8d5663605ac996_JaffaCakes118.exe
736	f94f2a1c83b883663a8d5663605ac996_JaffaCakes118.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
3556	f94f2a1c83b883663a8d5663605ac996_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	3556	f94f2a1c83b883663a8d5663605ac996_JaffaCakes118.exe
Token: SeDebugPrivilege	3556	f94f2a1c83b883663a8d5663605ac996_JaffaCakes118.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
736	f94f2a1c83b883663a8d5663605ac996_JaffaCakes118.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
1328	f94f2a1c83b883663a8d5663605ac996_JaffaCakes118.exe
4900	server.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1328 wrote to memory of 736	1328	f94f2a1c83b883663a8d5663605ac996_JaffaCakes118.exe	86
PID 1328 wrote to memory of 736	1328	f94f2a1c83b883663a8d5663605ac996_JaffaCakes118.exe	86
PID 1328 wrote to memory of 736	1328	f94f2a1c83b883663a8d5663605ac996_JaffaCakes118.exe	86
PID 1328 wrote to memory of 736	1328	f94f2a1c83b883663a8d5663605ac996_JaffaCakes118.exe	86
PID 1328 wrote to memory of 736	1328	f94f2a1c83b883663a8d5663605ac996_JaffaCakes118.exe	86
PID 1328 wrote to memory of 736	1328	f94f2a1c83b883663a8d5663605ac996_JaffaCakes118.exe	86
PID 1328 wrote to memory of 736	1328	f94f2a1c83b883663a8d5663605ac996_JaffaCakes118.exe	86
PID 1328 wrote to memory of 736	1328	f94f2a1c83b883663a8d5663605ac996_JaffaCakes118.exe	86
PID 736 wrote to memory of 3492	736	f94f2a1c83b883663a8d5663605ac996_JaffaCakes118.exe	56
PID 736 wrote to memory of 3492	736	f94f2a1c83b883663a8d5663605ac996_JaffaCakes118.exe	56
PID 736 wrote to memory of 3492	736	f94f2a1c83b883663a8d5663605ac996_JaffaCakes118.exe	56
PID 736 wrote to memory of 3492	736	f94f2a1c83b883663a8d5663605ac996_JaffaCakes118.exe	56
PID 736 wrote to memory of 3492	736	f94f2a1c83b883663a8d5663605ac996_JaffaCakes118.exe	56
PID 736 wrote to memory of 3492	736	f94f2a1c83b883663a8d5663605ac996_JaffaCakes118.exe	56
PID 736 wrote to memory of 3492	736	f94f2a1c83b883663a8d5663605ac996_JaffaCakes118.exe	56
PID 736 wrote to memory of 3492	736	f94f2a1c83b883663a8d5663605ac996_JaffaCakes118.exe	56
PID 736 wrote to memory of 3492	736	f94f2a1c83b883663a8d5663605ac996_JaffaCakes118.exe	56
PID 736 wrote to memory of 3492	736	f94f2a1c83b883663a8d5663605ac996_JaffaCakes118.exe	56
PID 736 wrote to memory of 3492	736	f94f2a1c83b883663a8d5663605ac996_JaffaCakes118.exe	56
PID 736 wrote to memory of 3492	736	f94f2a1c83b883663a8d5663605ac996_JaffaCakes118.exe	56
PID 736 wrote to memory of 3492	736	f94f2a1c83b883663a8d5663605ac996_JaffaCakes118.exe	56
PID 736 wrote to memory of 3492	736	f94f2a1c83b883663a8d5663605ac996_JaffaCakes118.exe	56
PID 736 wrote to memory of 3492	736	f94f2a1c83b883663a8d5663605ac996_JaffaCakes118.exe	56
PID 736 wrote to memory of 3492	736	f94f2a1c83b883663a8d5663605ac996_JaffaCakes118.exe	56
PID 736 wrote to memory of 3492	736	f94f2a1c83b883663a8d5663605ac996_JaffaCakes118.exe	56
PID 736 wrote to memory of 3492	736	f94f2a1c83b883663a8d5663605ac996_JaffaCakes118.exe	56
PID 736 wrote to memory of 3492	736	f94f2a1c83b883663a8d5663605ac996_JaffaCakes118.exe	56
PID 736 wrote to memory of 3492	736	f94f2a1c83b883663a8d5663605ac996_JaffaCakes118.exe	56
PID 736 wrote to memory of 3492	736	f94f2a1c83b883663a8d5663605ac996_JaffaCakes118.exe	56
PID 736 wrote to memory of 3492	736	f94f2a1c83b883663a8d5663605ac996_JaffaCakes118.exe	56
PID 736 wrote to memory of 3492	736	f94f2a1c83b883663a8d5663605ac996_JaffaCakes118.exe	56
PID 736 wrote to memory of 3492	736	f94f2a1c83b883663a8d5663605ac996_JaffaCakes118.exe	56
PID 736 wrote to memory of 3492	736	f94f2a1c83b883663a8d5663605ac996_JaffaCakes118.exe	56
PID 736 wrote to memory of 3492	736	f94f2a1c83b883663a8d5663605ac996_JaffaCakes118.exe	56
PID 736 wrote to memory of 3492	736	f94f2a1c83b883663a8d5663605ac996_JaffaCakes118.exe	56
PID 736 wrote to memory of 3492	736	f94f2a1c83b883663a8d5663605ac996_JaffaCakes118.exe	56
PID 736 wrote to memory of 3492	736	f94f2a1c83b883663a8d5663605ac996_JaffaCakes118.exe	56
PID 736 wrote to memory of 3492	736	f94f2a1c83b883663a8d5663605ac996_JaffaCakes118.exe	56
PID 736 wrote to memory of 3492	736	f94f2a1c83b883663a8d5663605ac996_JaffaCakes118.exe	56
PID 736 wrote to memory of 3492	736	f94f2a1c83b883663a8d5663605ac996_JaffaCakes118.exe	56
PID 736 wrote to memory of 3492	736	f94f2a1c83b883663a8d5663605ac996_JaffaCakes118.exe	56
PID 736 wrote to memory of 3492	736	f94f2a1c83b883663a8d5663605ac996_JaffaCakes118.exe	56
PID 736 wrote to memory of 3492	736	f94f2a1c83b883663a8d5663605ac996_JaffaCakes118.exe	56
PID 736 wrote to memory of 3492	736	f94f2a1c83b883663a8d5663605ac996_JaffaCakes118.exe	56
PID 736 wrote to memory of 3492	736	f94f2a1c83b883663a8d5663605ac996_JaffaCakes118.exe	56
PID 736 wrote to memory of 3492	736	f94f2a1c83b883663a8d5663605ac996_JaffaCakes118.exe	56
PID 736 wrote to memory of 3492	736	f94f2a1c83b883663a8d5663605ac996_JaffaCakes118.exe	56
PID 736 wrote to memory of 3492	736	f94f2a1c83b883663a8d5663605ac996_JaffaCakes118.exe	56
PID 736 wrote to memory of 3492	736	f94f2a1c83b883663a8d5663605ac996_JaffaCakes118.exe	56
PID 736 wrote to memory of 3492	736	f94f2a1c83b883663a8d5663605ac996_JaffaCakes118.exe	56
PID 736 wrote to memory of 3492	736	f94f2a1c83b883663a8d5663605ac996_JaffaCakes118.exe	56
PID 736 wrote to memory of 3492	736	f94f2a1c83b883663a8d5663605ac996_JaffaCakes118.exe	56
PID 736 wrote to memory of 3492	736	f94f2a1c83b883663a8d5663605ac996_JaffaCakes118.exe	56
PID 736 wrote to memory of 3492	736	f94f2a1c83b883663a8d5663605ac996_JaffaCakes118.exe	56
PID 736 wrote to memory of 3492	736	f94f2a1c83b883663a8d5663605ac996_JaffaCakes118.exe	56
PID 736 wrote to memory of 3492	736	f94f2a1c83b883663a8d5663605ac996_JaffaCakes118.exe	56
PID 736 wrote to memory of 3492	736	f94f2a1c83b883663a8d5663605ac996_JaffaCakes118.exe	56
PID 736 wrote to memory of 3492	736	f94f2a1c83b883663a8d5663605ac996_JaffaCakes118.exe	56
PID 736 wrote to memory of 3492	736	f94f2a1c83b883663a8d5663605ac996_JaffaCakes118.exe	56
PID 736 wrote to memory of 3492	736	f94f2a1c83b883663a8d5663605ac996_JaffaCakes118.exe	56
PID 736 wrote to memory of 3492	736	f94f2a1c83b883663a8d5663605ac996_JaffaCakes118.exe	56
PID 736 wrote to memory of 3492	736	f94f2a1c83b883663a8d5663605ac996_JaffaCakes118.exe	56
PID 736 wrote to memory of 3492	736	f94f2a1c83b883663a8d5663605ac996_JaffaCakes118.exe	56
PID 736 wrote to memory of 3492	736	f94f2a1c83b883663a8d5663605ac996_JaffaCakes118.exe	56

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:3492
- C:\Users\Admin\AppData\Local\Temp\f94f2a1c83b883663a8d5663605ac996_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\f94f2a1c83b883663a8d5663605ac996_JaffaCakes118.exe"
  2⤵
  - Checks BIOS information in registry
  - Suspicious use of SetThreadContext
  - Enumerates system info in registry
  - Modifies registry class
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:1328
- - C:\Users\Admin\AppData\Local\Temp\f94f2a1c83b883663a8d5663605ac996_JaffaCakes118.exe
    C:\Users\Admin\AppData\Local\Temp\f94f2a1c83b883663a8d5663605ac996_JaffaCakes118.exe
    3⤵
    - Adds policy Run key to start application
    - Modifies Installed Components in the registry
    - Adds Run key to start application
    - Drops file in System32 directory
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of FindShellTrayWindow
    - Suspicious use of WriteProcessMemory
    PID:736
  - - C:\Windows\SysWOW64\explorer.exe
      explorer.exe
      4⤵
      Modifies Installed Components in the registry
      PID:2460
  - - C:\Program Files\Internet Explorer\iexplore.exe
      "C:\Program Files\Internet Explorer\iexplore.exe"
      4⤵
      PID:672
  - - C:\Users\Admin\AppData\Local\Temp\f94f2a1c83b883663a8d5663605ac996_JaffaCakes118.exe
      "C:\Users\Admin\AppData\Local\Temp\f94f2a1c83b883663a8d5663605ac996_JaffaCakes118.exe"
      4⤵
      Checks computer location settings
      Drops file in System32 directory
      Modifies registry class
      Suspicious behavior: GetForegroundWindowSpam
      Suspicious use of AdjustPrivilegeToken
      PID:3556
    - - C:\Windows\SysWOW64\install\server.exe
        
        "C:\Windows\system32\install\server.exe"
        5⤵
        Checks BIOS information in registry
        Executes dropped EXE
        Drops file in System32 directory
        Suspicious use of SetThreadContext
        Enumerates system info in registry
        Modifies registry class
        Suspicious use of SetWindowsHookEx
        
        PID:4900
      - C:\Windows\SysWOW64\install\server.exe
        
        C:\Windows\SysWOW64\install\server.exe
        6⤵
        Executes dropped EXE
        
        PID:4144
        
        C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 4144 -s 572
        7⤵
        Program crash
        
        PID:2144

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 4144 -ip 4144
1⤵
PID:3716

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

Defense Evasion

Modify Registry

Credential Access

Discovery

Query Registry

System Information Discovery