modiloader | e69c5aa421e0983b41282c666a79db75b1af55feeb5ec5fac0d26e34238a78b5

Virtualization/Sandbox Evasion

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Oracle\VirtualBox Guest Additions	svchost.exe

ModiLoader Second Stage 22 IoCs

resource	yara_rule
behavioral1/memory/1836-2-0x0000000000400000-0x000000000041C000-memory.dmp	modiloader_stage2
behavioral1/memory/1944-15-0x0000000000080000-0x00000000000D0000-memory.dmp	modiloader_stage2
behavioral1/memory/1944-14-0x0000000000080000-0x00000000000D0000-memory.dmp	modiloader_stage2
behavioral1/memory/1944-13-0x0000000000080000-0x00000000000D0000-memory.dmp	modiloader_stage2
behavioral1/memory/1944-12-0x0000000000080000-0x00000000000D0000-memory.dmp	modiloader_stage2
behavioral1/memory/1944-11-0x0000000000080000-0x00000000000D0000-memory.dmp	modiloader_stage2
behavioral1/memory/1944-10-0x0000000000080000-0x00000000000D0000-memory.dmp	modiloader_stage2
behavioral1/memory/1944-9-0x0000000000080000-0x00000000000D0000-memory.dmp	modiloader_stage2
behavioral1/memory/1944-8-0x0000000000080000-0x00000000000D0000-memory.dmp	modiloader_stage2
behavioral1/memory/2020-22-0x0000000000080000-0x00000000000D0000-memory.dmp	modiloader_stage2
behavioral1/memory/1944-43-0x0000000000080000-0x00000000000D0000-memory.dmp	modiloader_stage2
behavioral1/memory/1944-42-0x0000000000080000-0x00000000000D0000-memory.dmp	modiloader_stage2
behavioral1/memory/1944-47-0x0000000000080000-0x00000000000D0000-memory.dmp	modiloader_stage2
behavioral1/memory/1944-50-0x0000000000080000-0x00000000000D0000-memory.dmp	modiloader_stage2
behavioral1/memory/1944-53-0x0000000000080000-0x00000000000D0000-memory.dmp	modiloader_stage2
behavioral1/memory/1944-56-0x0000000000080000-0x00000000000D0000-memory.dmp	modiloader_stage2
behavioral1/memory/1944-59-0x0000000000080000-0x00000000000D0000-memory.dmp	modiloader_stage2
behavioral1/memory/1944-62-0x0000000000080000-0x00000000000D0000-memory.dmp	modiloader_stage2
behavioral1/memory/1944-65-0x0000000000080000-0x00000000000D0000-memory.dmp	modiloader_stage2
behavioral1/memory/1944-68-0x0000000000080000-0x00000000000D0000-memory.dmp	modiloader_stage2
behavioral1/memory/1944-71-0x0000000000080000-0x00000000000D0000-memory.dmp	modiloader_stage2
behavioral1/memory/1944-75-0x0000000000080000-0x00000000000D0000-memory.dmp	modiloader_stage2

Adds policy Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

Modify Registry

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run	svchost.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\{c1dd7149-1bf2-7dcd-502d-d8c4148e4cfc} = "\"C:\\ProgramData\\Microsoft\\{c1dd7149-1bf2-7dcd-502d-d8c4148e4cfc}\\{c1dd7149-1bf2-7dcd-502d-d8c4148e4cfc}.exe\""	svchost.exe

Looks for VMWare Tools registry key 2 TTPs 1 IoCs

evasion

Query Registry

Virtualization/Sandbox Evasion

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\VMware, Inc.\VMware Tools	svchost.exe

Checks BIOS information in registry 2 TTPs 2 IoCs

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

Query Registry

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	svchost.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	svchost.exe

Deletes itself 1 IoCs

pid	Process
1944	svchost.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

Modify Registry

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\{c1dd7149-1bf2-7dcd-502d-d8c4148e4cfc} = "\"C:\\ProgramData\\Microsoft\\{c1dd7149-1bf2-7dcd-502d-d8c4148e4cfc}\\{c1dd7149-1bf2-7dcd-502d-d8c4148e4cfc}.exe\""	svchost.exe

Maps connected drives based on registry 3 TTPs 2 IoCs

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

Query Registry

Peripheral Device Discovery

T1120

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	svchost.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\0	svchost.exe

System Location Discovery: System Language Discovery 1 TTPs 3 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	JaffaCakes118_64e8032f58f8170870ca94b79c9adfad.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe

Modifies Internet Explorer settings 1 TTPs 19 IoCs

adware spyware

Modify Registry

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000\Software\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000\Software\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BLOCK_INPUT_PROMPTS\svchost.exe = "1"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000\Software\Microsoft\Internet Explorer\Main\Play_Animations = "yes"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000\Software\Microsoft\Internet Explorer\Main\UseThemes = "1"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000\Software\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION\svchost.exe = "9999"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000\Software\Microsoft\Internet Explorer\Main\Display Inline Images = "yes"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000\Software\Microsoft\Internet Explorer\Main\Enable AutoImageResize = "yes"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000\Software\Microsoft\Internet Explorer\Main\Play_Animations = "yes"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000\Software\Microsoft\Internet Explorer\Main\UseThemes = "1"	svchost.exe
Key created	\REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000\Software\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000\Software\Microsoft\Internet Explorer\Main\Display Inline Images = "yes"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000\Software\Microsoft\Internet Explorer\Main\Enable AutoImageResize = "yes"	svchost.exe
Key created	\REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000\Software\Microsoft\Internet Explorer\Main	svchost.exe
Key created	\REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000\Software\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BLOCK_INPUT_PROMPTS	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000\Software\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BLOCK_INPUT_PROMPTS\svchost.exe = "1"	svchost.exe
Key created	\REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000\Software\Microsoft\Internet Explorer\Main\FeatureControl	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000\Software\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION\svchost.exe = "9999"	svchost.exe
Key created	\REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000\Software\Microsoft\Internet Explorer\Main\FeatureControl	svchost.exe
Key created	\REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000\Software\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BLOCK_INPUT_PROMPTS	svchost.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
1836	JaffaCakes118_64e8032f58f8170870ca94b79c9adfad.exe
1836	JaffaCakes118_64e8032f58f8170870ca94b79c9adfad.exe
1836	JaffaCakes118_64e8032f58f8170870ca94b79c9adfad.exe
1836	JaffaCakes118_64e8032f58f8170870ca94b79c9adfad.exe
1836	JaffaCakes118_64e8032f58f8170870ca94b79c9adfad.exe
1836	JaffaCakes118_64e8032f58f8170870ca94b79c9adfad.exe
1836	JaffaCakes118_64e8032f58f8170870ca94b79c9adfad.exe
1836	JaffaCakes118_64e8032f58f8170870ca94b79c9adfad.exe
1836	JaffaCakes118_64e8032f58f8170870ca94b79c9adfad.exe
1944	svchost.exe
1944	svchost.exe
1944	svchost.exe
1944	svchost.exe
1944	svchost.exe
1944	svchost.exe
1944	svchost.exe
1944	svchost.exe
1944	svchost.exe
1944	svchost.exe
1944	svchost.exe
1944	svchost.exe
1944	svchost.exe
1944	svchost.exe
1944	svchost.exe
1944	svchost.exe
1944	svchost.exe
1944	svchost.exe
1944	svchost.exe
1944	svchost.exe
1944	svchost.exe
1944	svchost.exe
1944	svchost.exe
1944	svchost.exe
1944	svchost.exe
1944	svchost.exe
1944	svchost.exe
1944	svchost.exe
1944	svchost.exe
1944	svchost.exe
1944	svchost.exe
1944	svchost.exe
1944	svchost.exe
1944	svchost.exe
1944	svchost.exe
1944	svchost.exe
1944	svchost.exe
1944	svchost.exe
1944	svchost.exe
1944	svchost.exe
1944	svchost.exe
1944	svchost.exe
1944	svchost.exe
1944	svchost.exe
1944	svchost.exe
1944	svchost.exe
1944	svchost.exe
1944	svchost.exe
1944	svchost.exe
1944	svchost.exe
1944	svchost.exe
1944	svchost.exe
1944	svchost.exe
1944	svchost.exe
1944	svchost.exe

Suspicious behavior: MapViewOfSection 4 IoCs

pid	Process
1836	JaffaCakes118_64e8032f58f8170870ca94b79c9adfad.exe
1836	JaffaCakes118_64e8032f58f8170870ca94b79c9adfad.exe
1944	svchost.exe
1944	svchost.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
1944	svchost.exe
1944	svchost.exe

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
1836	JaffaCakes118_64e8032f58f8170870ca94b79c9adfad.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1836 wrote to memory of 1944	1836	JaffaCakes118_64e8032f58f8170870ca94b79c9adfad.exe	30
PID 1836 wrote to memory of 1944	1836	JaffaCakes118_64e8032f58f8170870ca94b79c9adfad.exe	30
PID 1836 wrote to memory of 1944	1836	JaffaCakes118_64e8032f58f8170870ca94b79c9adfad.exe	30
PID 1836 wrote to memory of 1944	1836	JaffaCakes118_64e8032f58f8170870ca94b79c9adfad.exe	30
PID 1944 wrote to memory of 2020	1944	svchost.exe	31
PID 1944 wrote to memory of 2020	1944	svchost.exe	31
PID 1944 wrote to memory of 2020	1944	svchost.exe	31
PID 1944 wrote to memory of 2020	1944	svchost.exe	31

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_64e8032f58f8170870ca94b79c9adfad.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_64e8032f58f8170870ca94b79c9adfad.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:1836
- C:\Windows\SysWOW64\svchost.exe
  "svchost.exe" "c:\users\admin\appdata\local\temp\jaffacakes118_64e8032f58f8170870ca94b79c9adfad.exe"path<<c:\users\admin\appdata\local\temp\jaffacakes118_64e8032f58f8170870ca94b79c9adfad.exe>>path
  2⤵
  - Looks for VirtualBox Guest Additions in registry
  - Adds policy Run key to start application
  - Looks for VMWare Tools registry key
  - Checks BIOS information in registry
  - Deletes itself
  - Adds Run key to start application
  - Maps connected drives based on registry
  - System Location Discovery: System Language Discovery
  - Modifies Internet Explorer settings
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:1944
- - C:\Windows\SysWOW64\svchost.exe
    "C:\Windows\SysWOW64\svchost.exe" 45D6FB46CDE45F8058CA1AB72AD7037B
    3⤵
    - System Location Discovery: System Language Discovery
    - Modifies Internet Explorer settings
    PID:2020

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

Virtualization/Sandbox Evasion

Credential Access

Discovery

Peripheral Device Discovery

T1120

Query Registry

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Virtualization/Sandbox Evasion