modiloader | 947d1c793b0e89ccb0e9cba3a7e2ab861f8e008395a61dfabfea528cbd4390c9

Virtualization/Sandbox Evasion

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Oracle\VirtualBox Guest Additions	svchost.exe

ModiLoader Second Stage 41 IoCs

resource	yara_rule
behavioral2/memory/3208-2-0x0000000000400000-0x0000000000435000-memory.dmp	modiloader_stage2
behavioral2/memory/3208-4-0x0000000000400000-0x0000000000435000-memory.dmp	modiloader_stage2
behavioral2/memory/3208-5-0x0000000000400000-0x0000000000435000-memory.dmp	modiloader_stage2
behavioral2/memory/3208-6-0x00000000009D0000-0x0000000000A8E000-memory.dmp	modiloader_stage2
behavioral2/memory/3208-9-0x00000000009D0000-0x0000000000A8E000-memory.dmp	modiloader_stage2
behavioral2/memory/1696-13-0x0000000000EF0000-0x0000000000FAE000-memory.dmp	modiloader_stage2
behavioral2/memory/1696-14-0x0000000000EF0000-0x0000000000FAE000-memory.dmp	modiloader_stage2
behavioral2/memory/1220-26-0x00000000007B0000-0x000000000086E000-memory.dmp	modiloader_stage2
behavioral2/memory/1220-25-0x00000000007B0000-0x000000000086E000-memory.dmp	modiloader_stage2
behavioral2/memory/1220-24-0x00000000007B0000-0x000000000086E000-memory.dmp	modiloader_stage2
behavioral2/memory/1220-23-0x00000000007B0000-0x000000000086E000-memory.dmp	modiloader_stage2
behavioral2/memory/1220-22-0x00000000007B0000-0x000000000086E000-memory.dmp	modiloader_stage2
behavioral2/memory/1220-21-0x00000000007B0000-0x000000000086E000-memory.dmp	modiloader_stage2
behavioral2/memory/1220-20-0x00000000007B0000-0x000000000086E000-memory.dmp	modiloader_stage2
behavioral2/memory/1220-27-0x00000000007B0000-0x000000000086E000-memory.dmp	modiloader_stage2
behavioral2/memory/1220-28-0x00000000007B0000-0x000000000086E000-memory.dmp	modiloader_stage2
behavioral2/memory/1220-29-0x00000000007B0000-0x000000000086E000-memory.dmp	modiloader_stage2
behavioral2/memory/1220-30-0x00000000007B0000-0x000000000086E000-memory.dmp	modiloader_stage2
behavioral2/memory/3384-33-0x0000000000920000-0x00000000009DE000-memory.dmp	modiloader_stage2
behavioral2/memory/3384-38-0x0000000000920000-0x00000000009DE000-memory.dmp	modiloader_stage2
behavioral2/memory/3384-37-0x0000000000920000-0x00000000009DE000-memory.dmp	modiloader_stage2
behavioral2/memory/3384-36-0x0000000000920000-0x00000000009DE000-memory.dmp	modiloader_stage2
behavioral2/memory/3384-35-0x0000000000920000-0x00000000009DE000-memory.dmp	modiloader_stage2
behavioral2/memory/3384-34-0x0000000000920000-0x00000000009DE000-memory.dmp	modiloader_stage2
behavioral2/memory/1220-39-0x00000000007B0000-0x000000000086E000-memory.dmp	modiloader_stage2
behavioral2/memory/1220-43-0x00000000007B0000-0x000000000086E000-memory.dmp	modiloader_stage2
behavioral2/memory/1220-47-0x00000000007B0000-0x000000000086E000-memory.dmp	modiloader_stage2
behavioral2/memory/1220-46-0x00000000007B0000-0x000000000086E000-memory.dmp	modiloader_stage2
behavioral2/memory/1220-45-0x00000000007B0000-0x000000000086E000-memory.dmp	modiloader_stage2
behavioral2/memory/1220-44-0x00000000007B0000-0x000000000086E000-memory.dmp	modiloader_stage2
behavioral2/memory/1220-42-0x00000000007B0000-0x000000000086E000-memory.dmp	modiloader_stage2
behavioral2/memory/1220-41-0x00000000007B0000-0x000000000086E000-memory.dmp	modiloader_stage2
behavioral2/memory/1220-40-0x00000000007B0000-0x000000000086E000-memory.dmp	modiloader_stage2
behavioral2/memory/4692-51-0x00000000012C0000-0x000000000137E000-memory.dmp	modiloader_stage2
behavioral2/memory/4692-52-0x00000000012C0000-0x000000000137E000-memory.dmp	modiloader_stage2
behavioral2/memory/4692-55-0x00000000012C0000-0x000000000137E000-memory.dmp	modiloader_stage2
behavioral2/memory/4692-53-0x00000000012C0000-0x000000000137E000-memory.dmp	modiloader_stage2
behavioral2/memory/4692-54-0x00000000012C0000-0x000000000137E000-memory.dmp	modiloader_stage2
behavioral2/memory/4692-57-0x00000000012C0000-0x000000000137E000-memory.dmp	modiloader_stage2
behavioral2/memory/1220-66-0x00000000007B0000-0x000000000086E000-memory.dmp	modiloader_stage2
behavioral2/memory/1220-65-0x00000000007B0000-0x000000000086E000-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\ = "mshta javascript:eNAWq6bp=\"svx4Vvr\";MU4=new%20ActiveXObject(\"WScript.Shell\");Yu7VZtWy5=\"0jYRKtC\";Op4bD=MU4.RegRead(\"HKLM\\\\software\\\\Wow6432Node\\\\a3334c85\\\\e05e5f5d\");Hn1nbitC0=\"UYt1IuwTur\";eval(Op4bD);hFcm1UySa=\"Fir\";"	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
1220	svchost.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\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\ = "mshta javascript:j6JeyZRIn=\"M\";C0n6=new%20ActiveXObject(\"WScript.Shell\");RFaz4lEd=\"Xk\";mbI2y6=C0n6.RegRead(\"HKLM\\\\software\\\\Wow6432Node\\\\a3334c85\\\\e05e5f5d\");noU2XA4qCe=\"Ylw0KJd\";eval(mbI2y6);AMXE6DZwU=\"nE\";"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ = "mshta javascript:RVJf2PBx=\"BzwwV\";Y5p=new%20ActiveXObject(\"WScript.Shell\");dFYDV5W=\"n2bXsWclno\";PW1cM=Y5p.RegRead(\"HKCU\\\\software\\\\a3334c85\\\\e05e5f5d\");qUu8JFrLn0=\"EkrGFI\";eval(PW1cM);LrqNKlfW2=\"Lh8NV0\";"	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

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1520 set thread context of 3208	1520	947d1c793b0e89ccb0e9cba3a7e2ab861f8e008395a61dfabfea528cbd4390c9.exe	91

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	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	947d1c793b0e89ccb0e9cba3a7e2ab861f8e008395a61dfabfea528cbd4390c9.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	947d1c793b0e89ccb0e9cba3a7e2ab861f8e008395a61dfabfea528cbd4390c9.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe

Modifies Internet Explorer settings 1 TTPs 10 IoCs

adware spyware

Modify Registry

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION\explorer.exe = "0"	svchost.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION\iexplore.exe = "0"	svchost.exe
Key created	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Internet Explorer\International	svchost.exe
Key created	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION\explorer.exe = "0"	svchost.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	svchost.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION\svchost.exe = "0"	svchost.exe
Key created	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION\svchost.exe = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION\iexplore.exe = "0"	svchost.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
1220	svchost.exe
1220	svchost.exe
1220	svchost.exe
1220	svchost.exe
1220	svchost.exe
1220	svchost.exe
1220	svchost.exe
1220	svchost.exe
1220	svchost.exe
1220	svchost.exe
1220	svchost.exe
1220	svchost.exe
1220	svchost.exe
1220	svchost.exe
1220	svchost.exe
1220	svchost.exe
1220	svchost.exe
1220	svchost.exe
1220	svchost.exe
1220	svchost.exe
1220	svchost.exe
1220	svchost.exe
1220	svchost.exe
1220	svchost.exe
1220	svchost.exe
1220	svchost.exe
1220	svchost.exe
1220	svchost.exe
1220	svchost.exe
1220	svchost.exe
1220	svchost.exe
1220	svchost.exe
1220	svchost.exe
1220	svchost.exe
1220	svchost.exe
1220	svchost.exe
1220	svchost.exe
1220	svchost.exe
1220	svchost.exe
1220	svchost.exe
1220	svchost.exe
1220	svchost.exe
1220	svchost.exe
1220	svchost.exe
1220	svchost.exe
1220	svchost.exe
1220	svchost.exe
1220	svchost.exe
1220	svchost.exe
1220	svchost.exe
1220	svchost.exe
1220	svchost.exe
1220	svchost.exe
1220	svchost.exe
1220	svchost.exe
1220	svchost.exe
1220	svchost.exe
1220	svchost.exe
1220	svchost.exe
1220	svchost.exe
1220	svchost.exe
1220	svchost.exe
1220	svchost.exe
1220	svchost.exe

Suspicious behavior: MapViewOfSection 8 IoCs

pid	Process
3208	947d1c793b0e89ccb0e9cba3a7e2ab861f8e008395a61dfabfea528cbd4390c9.exe
3208	947d1c793b0e89ccb0e9cba3a7e2ab861f8e008395a61dfabfea528cbd4390c9.exe
1696	svchost.exe
1696	svchost.exe
1220	svchost.exe
1220	svchost.exe
1220	svchost.exe
1220	svchost.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1520	947d1c793b0e89ccb0e9cba3a7e2ab861f8e008395a61dfabfea528cbd4390c9.exe

Suspicious use of WriteProcessMemory 23 IoCs

description	pid	Process	procid_target
PID 1520 wrote to memory of 3208	1520	947d1c793b0e89ccb0e9cba3a7e2ab861f8e008395a61dfabfea528cbd4390c9.exe	91
PID 1520 wrote to memory of 3208	1520	947d1c793b0e89ccb0e9cba3a7e2ab861f8e008395a61dfabfea528cbd4390c9.exe	91
PID 1520 wrote to memory of 3208	1520	947d1c793b0e89ccb0e9cba3a7e2ab861f8e008395a61dfabfea528cbd4390c9.exe	91
PID 1520 wrote to memory of 3208	1520	947d1c793b0e89ccb0e9cba3a7e2ab861f8e008395a61dfabfea528cbd4390c9.exe	91
PID 1520 wrote to memory of 3208	1520	947d1c793b0e89ccb0e9cba3a7e2ab861f8e008395a61dfabfea528cbd4390c9.exe	91
PID 1520 wrote to memory of 3208	1520	947d1c793b0e89ccb0e9cba3a7e2ab861f8e008395a61dfabfea528cbd4390c9.exe	91
PID 1520 wrote to memory of 3208	1520	947d1c793b0e89ccb0e9cba3a7e2ab861f8e008395a61dfabfea528cbd4390c9.exe	91
PID 1520 wrote to memory of 3208	1520	947d1c793b0e89ccb0e9cba3a7e2ab861f8e008395a61dfabfea528cbd4390c9.exe	91
PID 1520 wrote to memory of 3208	1520	947d1c793b0e89ccb0e9cba3a7e2ab861f8e008395a61dfabfea528cbd4390c9.exe	91
PID 1520 wrote to memory of 3208	1520	947d1c793b0e89ccb0e9cba3a7e2ab861f8e008395a61dfabfea528cbd4390c9.exe	91
PID 1520 wrote to memory of 3208	1520	947d1c793b0e89ccb0e9cba3a7e2ab861f8e008395a61dfabfea528cbd4390c9.exe	91
PID 3208 wrote to memory of 1696	3208	947d1c793b0e89ccb0e9cba3a7e2ab861f8e008395a61dfabfea528cbd4390c9.exe	92
PID 3208 wrote to memory of 1696	3208	947d1c793b0e89ccb0e9cba3a7e2ab861f8e008395a61dfabfea528cbd4390c9.exe	92
PID 3208 wrote to memory of 1696	3208	947d1c793b0e89ccb0e9cba3a7e2ab861f8e008395a61dfabfea528cbd4390c9.exe	92
PID 1696 wrote to memory of 1220	1696	svchost.exe	97
PID 1696 wrote to memory of 1220	1696	svchost.exe	97
PID 1696 wrote to memory of 1220	1696	svchost.exe	97
PID 1220 wrote to memory of 3384	1220	svchost.exe	100
PID 1220 wrote to memory of 3384	1220	svchost.exe	100
PID 1220 wrote to memory of 3384	1220	svchost.exe	100
PID 1220 wrote to memory of 4692	1220	svchost.exe	101
PID 1220 wrote to memory of 4692	1220	svchost.exe	101
PID 1220 wrote to memory of 4692	1220	svchost.exe	101

C:\Users\Admin\AppData\Local\Temp\947d1c793b0e89ccb0e9cba3a7e2ab861f8e008395a61dfabfea528cbd4390c9.exe
"C:\Users\Admin\AppData\Local\Temp\947d1c793b0e89ccb0e9cba3a7e2ab861f8e008395a61dfabfea528cbd4390c9.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1520
- C:\Users\Admin\AppData\Local\Temp\947d1c793b0e89ccb0e9cba3a7e2ab861f8e008395a61dfabfea528cbd4390c9.exe
  "C:\Users\Admin\AppData\Local\Temp\947d1c793b0e89ccb0e9cba3a7e2ab861f8e008395a61dfabfea528cbd4390c9.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of WriteProcessMemory
  PID:3208
- - C:\Windows\SysWOW64\svchost.exe
    svchost.exe
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of WriteProcessMemory
    PID:1696
  - - C:\Windows\SysWOW64\svchost.exe
      svchost.exe
      4⤵
      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 WriteProcessMemory
      PID:1220
    - - C:\Windows\SysWOW64\svchost.exe
        
        "C:\Windows\SysWOW64\svchost.exe"
        5⤵
        System Location Discovery: System Language Discovery
        
        PID:3384
    - - C:\Windows\SysWOW64\svchost.exe
        
        "C:\Windows\SysWOW64\svchost.exe"
        5⤵
        System Location Discovery: System Language Discovery
        
        PID:4692

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

Software Discovery

T1518

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Virtualization/Sandbox Evasion