modiloader | ce7b78e13a183be104074b4d2420a3959ca8d3e2443a4f6710f33c355f45166e

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	onloader32.exe

ModiLoader Second Stage 4 IoCs

resource	yara_rule
behavioral2/memory/4612-22-0x0000000000400000-0x00000000004FD000-memory.dmp	modiloader_stage2
behavioral2/memory/1976-25-0x0000000000400000-0x00000000004FD000-memory.dmp	modiloader_stage2
behavioral2/memory/1976-37-0x00000000770C0000-0x00000000771B0000-memory.dmp	modiloader_stage2
behavioral2/memory/1976-54-0x0000000000400000-0x00000000004FD000-memory.dmp	modiloader_stage2

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	onloader32.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	onloader32.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosDate	0e6be27558672adbfabd67ef09d9625c_JaffaCakes118.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	0e6be27558672adbfabd67ef09d9625c_JaffaCakes118.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-1-5-21-4124900551-4068476067-3491212533-1000\Control Panel\International\Geo\Nation	0e6be27558672adbfabd67ef09d9625c_JaffaCakes118.exe

Executes dropped EXE 1 IoCs

pid	Process
1976	onloader32.exe

Loads dropped DLL 4 IoCs

pid	Process
1976	onloader32.exe
1976	onloader32.exe
1976	onloader32.exe
1976	onloader32.exe

UPX packed file 4 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4612-1-0x00000000025D0000-0x0000000002608000-memory.dmp	upx
behavioral2/memory/4612-2-0x00000000025D0000-0x0000000002608000-memory.dmp	upx
behavioral2/memory/4612-23-0x00000000025D0000-0x0000000002608000-memory.dmp	upx
behavioral2/memory/1976-26-0x0000000000950000-0x0000000000988000-memory.dmp	upx

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\onloader32 = "C:\\Windows\\onloader32.exe"	onloader32.exe

Checks whether UAC is enabled 1 TTPs 3 IoCs

evasion trojan

System Information Discovery

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	0e6be27558672adbfabd67ef09d9625c_JaffaCakes118.exe
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	onloader32.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	onloader32.exe

Drops file in Windows directory 4 IoCs

description	ioc	Process
File created	C:\Windows\onloader32.exe	0e6be27558672adbfabd67ef09d9625c_JaffaCakes118.exe
File opened for modification	C:\Windows\onloader32.exe	0e6be27558672adbfabd67ef09d9625c_JaffaCakes118.exe
File created	C:\Windows\ntdtcstp.dll	onloader32.exe
File created	C:\Windows\cmsetac.dll	onloader32.exe

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

System Information Discovery
T1082

Checks processor information in registry 2 TTPs 14 IoCs

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

Query Registry

System Information Discovery

description	ioc	Process
Key queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	0e6be27558672adbfabd67ef09d9625c_JaffaCakes118.exe
Key value enumerated	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	0e6be27558672adbfabd67ef09d9625c_JaffaCakes118.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	0e6be27558672adbfabd67ef09d9625c_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	0e6be27558672adbfabd67ef09d9625c_JaffaCakes118.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\FeatureSet	0e6be27558672adbfabd67ef09d9625c_JaffaCakes118.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier	onloader32.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\VendorIdentifier	onloader32.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier	0e6be27558672adbfabd67ef09d9625c_JaffaCakes118.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\VendorIdentifier	0e6be27558672adbfabd67ef09d9625c_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	onloader32.exe
Key value enumerated	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	onloader32.exe
Key queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	onloader32.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	onloader32.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\FeatureSet	onloader32.exe

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	onloader32.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\Identifier	0e6be27558672adbfabd67ef09d9625c_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	4612	0e6be27558672adbfabd67ef09d9625c_JaffaCakes118.exe
Token: SeDebugPrivilege	1976	onloader32.exe
Token: SeDebugPrivilege	1976	onloader32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
1976	onloader32.exe
1976	onloader32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4612 wrote to memory of 1976	4612	0e6be27558672adbfabd67ef09d9625c_JaffaCakes118.exe	81
PID 4612 wrote to memory of 1976	4612	0e6be27558672adbfabd67ef09d9625c_JaffaCakes118.exe	81
PID 4612 wrote to memory of 1976	4612	0e6be27558672adbfabd67ef09d9625c_JaffaCakes118.exe	81

System policy modification 1 TTPs 1 IoCs

evasion

Modify Registry

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	onloader32.exe

C:\Users\Admin\AppData\Local\Temp\0e6be27558672adbfabd67ef09d9625c_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\0e6be27558672adbfabd67ef09d9625c_JaffaCakes118.exe"
1⤵
- Checks BIOS information in registry
- Checks computer location settings
- Checks whether UAC is enabled
- Drops file in Windows directory
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4612
- C:\Windows\onloader32.exe
  "C:\Windows\onloader32.exe"
  2⤵
  - UAC bypass
  - Checks BIOS information in registry
  - Executes dropped EXE
  - Loads dropped DLL
  - Adds Run key to start application
  - Checks whether UAC is enabled
  - Drops file in Windows directory
  - Checks processor information in registry
  - Enumerates system info in registry
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  - System policy modification
  PID:1976

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Abuse Elevation Control Mechanism

T1548

Bypass User Account Control

T1548.002

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

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

Query Registry

System Information Discovery