cybergate | 5bfaaae7b70020c9c4d71b8b092202ce88b9a54770b27152ca8bfa7c4e4a726c

Modify Registry

Processes:

vbc.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run	vbc.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\Policies = "c:\\dir\\install\\install\\start.exe"	vbc.exe
Key created	\REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run	vbc.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\Policies = "c:\\dir\\install\\install\\start.exe"	vbc.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

Processes:

vbc.exeexplorer.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\Software\Wow6432Node\Microsoft\Active Setup\Installed Components\{YI7E7HNU-GDXY-T38W-P513-J071002E5L00}	vbc.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{YI7E7HNU-GDXY-T38W-P513-J071002E5L00}\StubPath = "c:\\dir\\install\\install\\start.exe Restart"	vbc.exe
Key created	\REGISTRY\MACHINE\Software\Wow6432Node\Microsoft\Active Setup\Installed Components\{YI7E7HNU-GDXY-T38W-P513-J071002E5L00}	explorer.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{YI7E7HNU-GDXY-T38W-P513-J071002E5L00}\StubPath = "c:\\dir\\install\\install\\start.exe"	explorer.exe

Uses the VBS compiler for execution 1 TTPs

Command and Scripting Interpreter
T1059

Adds Run key to start application 2 TTPs 3 IoCs

persistence

Registry Run Keys / Startup Folder

Modify Registry

Processes:

vbc.exe8bc27496c7189e9ea5ae88a018f38894_JaffaCakes118.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Windows\CurrentVersion\Run\HKCU = "c:\\dir\\install\\install\\start.exe"	vbc.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Windows\CurrentVersion\Run\startup = "C:\\Users\\Admin\\AppData\\Local\\Temp\\cr.exe"	8bc27496c7189e9ea5ae88a018f38894_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\HKLM = "c:\\dir\\install\\install\\start.exe"	vbc.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

8bc27496c7189e9ea5ae88a018f38894_JaffaCakes118.exe

description pid process target process

PID 1664 set thread context of 1996 1664 8bc27496c7189e9ea5ae88a018f38894_JaffaCakes118.exe vbc.exe

description	pid	process	target process
PID 1664 set thread context of 1996	1664	8bc27496c7189e9ea5ae88a018f38894_JaffaCakes118.exe	vbc.exe

UPX packed file 9 IoCs

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

upx

Processes:

resource	yara_rule
behavioral1/memory/1996-13-0x0000000000400000-0x000000000043F000-memory.dmp	upx
behavioral1/memory/1996-12-0x0000000000400000-0x000000000043F000-memory.dmp	upx
behavioral1/memory/1996-17-0x0000000024010000-0x000000002404D000-memory.dmp	upx
behavioral1/memory/1996-14-0x0000000000400000-0x000000000043F000-memory.dmp	upx
behavioral1/memory/1996-11-0x0000000000400000-0x000000000043F000-memory.dmp	upx
behavioral1/memory/1996-8-0x0000000000400000-0x000000000043F000-memory.dmp	upx
behavioral1/memory/1996-5-0x0000000000400000-0x000000000043F000-memory.dmp	upx
behavioral1/memory/1996-4-0x0000000000400000-0x000000000043F000-memory.dmp	upx
behavioral1/memory/1996-680-0x0000000000400000-0x000000000043F000-memory.dmp	upx

System Location Discovery: System Language Discovery 1 TTPs 4 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

Processes:

8bc27496c7189e9ea5ae88a018f38894_JaffaCakes118.exevbc.exeexplorer.exevbc.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	8bc27496c7189e9ea5ae88a018f38894_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	vbc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	explorer.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	vbc.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

Processes:

vbc.exe

pid process

1996 vbc.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

vbc.exe

description pid process

Token: SeDebugPrivilege 2504 vbc.exe
Token: SeDebugPrivilege 2504 vbc.exe
Suspicious use of FindShellTrayWindow 1 IoCs

Processes:

vbc.exe

pid process

1996 vbc.exe

pid	process
1996	vbc.exe

description	pid	process
Token: SeDebugPrivilege	2504	vbc.exe
Token: SeDebugPrivilege	2504	vbc.exe

pid	process
1996	vbc.exe

Suspicious use of WriteProcessMemory 64 IoCs

Processes:

8bc27496c7189e9ea5ae88a018f38894_JaffaCakes118.exevbc.exe

description	pid	process	target process
PID 1664 wrote to memory of 1996	1664	8bc27496c7189e9ea5ae88a018f38894_JaffaCakes118.exe	vbc.exe
PID 1664 wrote to memory of 1996	1664	8bc27496c7189e9ea5ae88a018f38894_JaffaCakes118.exe	vbc.exe
PID 1664 wrote to memory of 1996	1664	8bc27496c7189e9ea5ae88a018f38894_JaffaCakes118.exe	vbc.exe
PID 1664 wrote to memory of 1996	1664	8bc27496c7189e9ea5ae88a018f38894_JaffaCakes118.exe	vbc.exe
PID 1664 wrote to memory of 1996	1664	8bc27496c7189e9ea5ae88a018f38894_JaffaCakes118.exe	vbc.exe
PID 1664 wrote to memory of 1996	1664	8bc27496c7189e9ea5ae88a018f38894_JaffaCakes118.exe	vbc.exe
PID 1664 wrote to memory of 1996	1664	8bc27496c7189e9ea5ae88a018f38894_JaffaCakes118.exe	vbc.exe
PID 1664 wrote to memory of 1996	1664	8bc27496c7189e9ea5ae88a018f38894_JaffaCakes118.exe	vbc.exe
PID 1996 wrote to memory of 1200	1996	vbc.exe	Explorer.EXE
PID 1996 wrote to memory of 1200	1996	vbc.exe	Explorer.EXE
PID 1996 wrote to memory of 1200	1996	vbc.exe	Explorer.EXE
PID 1996 wrote to memory of 1200	1996	vbc.exe	Explorer.EXE
PID 1996 wrote to memory of 1200	1996	vbc.exe	Explorer.EXE
PID 1996 wrote to memory of 1200	1996	vbc.exe	Explorer.EXE
PID 1996 wrote to memory of 1200	1996	vbc.exe	Explorer.EXE
PID 1996 wrote to memory of 1200	1996	vbc.exe	Explorer.EXE
PID 1996 wrote to memory of 1200	1996	vbc.exe	Explorer.EXE
PID 1996 wrote to memory of 1200	1996	vbc.exe	Explorer.EXE
PID 1996 wrote to memory of 1200	1996	vbc.exe	Explorer.EXE
PID 1996 wrote to memory of 1200	1996	vbc.exe	Explorer.EXE
PID 1996 wrote to memory of 1200	1996	vbc.exe	Explorer.EXE
PID 1996 wrote to memory of 1200	1996	vbc.exe	Explorer.EXE
PID 1996 wrote to memory of 1200	1996	vbc.exe	Explorer.EXE
PID 1996 wrote to memory of 1200	1996	vbc.exe	Explorer.EXE
PID 1996 wrote to memory of 1200	1996	vbc.exe	Explorer.EXE
PID 1996 wrote to memory of 1200	1996	vbc.exe	Explorer.EXE
PID 1996 wrote to memory of 1200	1996	vbc.exe	Explorer.EXE
PID 1996 wrote to memory of 1200	1996	vbc.exe	Explorer.EXE
PID 1996 wrote to memory of 1200	1996	vbc.exe	Explorer.EXE
PID 1996 wrote to memory of 1200	1996	vbc.exe	Explorer.EXE
PID 1996 wrote to memory of 1200	1996	vbc.exe	Explorer.EXE
PID 1996 wrote to memory of 1200	1996	vbc.exe	Explorer.EXE
PID 1996 wrote to memory of 1200	1996	vbc.exe	Explorer.EXE
PID 1996 wrote to memory of 1200	1996	vbc.exe	Explorer.EXE
PID 1996 wrote to memory of 1200	1996	vbc.exe	Explorer.EXE
PID 1996 wrote to memory of 1200	1996	vbc.exe	Explorer.EXE
PID 1996 wrote to memory of 1200	1996	vbc.exe	Explorer.EXE
PID 1996 wrote to memory of 1200	1996	vbc.exe	Explorer.EXE
PID 1996 wrote to memory of 1200	1996	vbc.exe	Explorer.EXE
PID 1996 wrote to memory of 1200	1996	vbc.exe	Explorer.EXE
PID 1996 wrote to memory of 1200	1996	vbc.exe	Explorer.EXE
PID 1996 wrote to memory of 1200	1996	vbc.exe	Explorer.EXE
PID 1996 wrote to memory of 1200	1996	vbc.exe	Explorer.EXE
PID 1996 wrote to memory of 1200	1996	vbc.exe	Explorer.EXE
PID 1996 wrote to memory of 1200	1996	vbc.exe	Explorer.EXE
PID 1996 wrote to memory of 1200	1996	vbc.exe	Explorer.EXE
PID 1996 wrote to memory of 1200	1996	vbc.exe	Explorer.EXE
PID 1996 wrote to memory of 1200	1996	vbc.exe	Explorer.EXE
PID 1996 wrote to memory of 1200	1996	vbc.exe	Explorer.EXE
PID 1996 wrote to memory of 1200	1996	vbc.exe	Explorer.EXE
PID 1996 wrote to memory of 1200	1996	vbc.exe	Explorer.EXE
PID 1996 wrote to memory of 1200	1996	vbc.exe	Explorer.EXE
PID 1996 wrote to memory of 1200	1996	vbc.exe	Explorer.EXE
PID 1996 wrote to memory of 1200	1996	vbc.exe	Explorer.EXE
PID 1996 wrote to memory of 1200	1996	vbc.exe	Explorer.EXE
PID 1996 wrote to memory of 1200	1996	vbc.exe	Explorer.EXE
PID 1996 wrote to memory of 1200	1996	vbc.exe	Explorer.EXE
PID 1996 wrote to memory of 1200	1996	vbc.exe	Explorer.EXE
PID 1996 wrote to memory of 1200	1996	vbc.exe	Explorer.EXE
PID 1996 wrote to memory of 1200	1996	vbc.exe	Explorer.EXE
PID 1996 wrote to memory of 1200	1996	vbc.exe	Explorer.EXE
PID 1996 wrote to memory of 1200	1996	vbc.exe	Explorer.EXE
PID 1996 wrote to memory of 1200	1996	vbc.exe	Explorer.EXE
PID 1996 wrote to memory of 1200	1996	vbc.exe	Explorer.EXE

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1200
- C:\Users\Admin\AppData\Local\Temp\8bc27496c7189e9ea5ae88a018f38894_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\8bc27496c7189e9ea5ae88a018f38894_JaffaCakes118.exe"
  2⤵
  - Adds Run key to start application
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1664
- - C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
    C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
    3⤵
    - Adds policy Run key to start application
    - Boot or Logon Autostart Execution: Active Setup
    - Adds Run key to start application
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of FindShellTrayWindow
    - Suspicious use of WriteProcessMemory
    PID:1996
  - - C:\Windows\SysWOW64\explorer.exe
      explorer.exe
      4⤵
      Boot or Logon Autostart Execution: Active Setup
      System Location Discovery: System Language Discovery
      PID:2576
  - - C:\Program Files\Internet Explorer\iexplore.exe
      "C:\Program Files\Internet Explorer\iexplore.exe"
      4⤵
      PID:2600
  - - C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
      "C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe"
      4⤵
      System Location Discovery: System Language Discovery
      Suspicious use of AdjustPrivilegeToken
      PID:2504

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

Persistence

Boot or Logon Autostart Execution

3

T1547

Active Setup

T1547.014

Registry Run Keys / Startup Folder

2

Privilege Escalation

Boot or Logon Autostart Execution

3

T1547

Active Setup

T1547.014

Registry Run Keys / Startup Folder

2

Defense Evasion

Modify Registry

3

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery