da19464234b78daa22a5e87253eb150827e4216bc10d5bd2393ceb9984cbf539

System Information Discovery

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\Control Panel\International\Geo\Nation	e101b5373089ee47b3c267f2d346de65_JaffaCakes118.exe
Key value queried	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\Control Panel\International\Geo\Nation	Systeme update.exe
Key value queried	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\Control Panel\International\Geo\Nation	Yzanbhdckbmqnu.exe

Drops startup file 4 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Windows.lnk	Yzanbhdckbmqnu.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Windows.lnk	Payload.exe
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Windows.exe	Payload.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Windows.exe	Payload.exe

Executes dropped EXE 5 IoCs

pid	Process
1984	stuckssssssssss.exe
2040	Systeme update.exe
940	Systeme update.exe
3448	Yzanbhdckbmqnu.exe
2108	Payload.exe

Adds Run key to start application 2 TTPs 6 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Systeme update.exe = "C:\\Users\\Admin\\AppData\\Roaming\\Systeme update.exe"	e101b5373089ee47b3c267f2d346de65_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Windows2 = "C:\\Users\\Admin\\AppData\\Local\\Temp\\Payload.exe"	Yzanbhdckbmqnu.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Windows2 = "C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\Windows\\Templates\\Windows.URL"	Payload.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Windows2 = "C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\Windows\\Templates\\Windows.URL"	Payload.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Windows = "C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\Windows\\Templates\\Windows.URL"	Payload.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Windows = "C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\Windows\\Templates\\Windows.URL"	Payload.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2040 set thread context of 940	2040	Systeme update.exe	86

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

System Information Discovery
T1082

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	e101b5373089ee47b3c267f2d346de65_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Systeme update.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Systeme update.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Yzanbhdckbmqnu.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Payload.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	attrib.exe

Checks processor information in registry 2 TTPs 3 IoCs

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

Query Registry

System Information Discovery

description	ioc	Process
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	dw20.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	dw20.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	dw20.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\BIOS\SystemSKU	dw20.exe
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\BIOS	dw20.exe

Suspicious use of AdjustPrivilegeToken 35 IoCs

description	pid	Process
Token: SeBackupPrivilege	4360	dw20.exe
Token: SeBackupPrivilege	4360	dw20.exe
Token: SeDebugPrivilege	2108	Payload.exe
Token: 33	2108	Payload.exe
Token: SeIncBasePriorityPrivilege	2108	Payload.exe
Token: 33	2108	Payload.exe
Token: SeIncBasePriorityPrivilege	2108	Payload.exe
Token: 33	2108	Payload.exe
Token: SeIncBasePriorityPrivilege	2108	Payload.exe
Token: 33	2108	Payload.exe
Token: SeIncBasePriorityPrivilege	2108	Payload.exe
Token: 33	2108	Payload.exe
Token: SeIncBasePriorityPrivilege	2108	Payload.exe
Token: 33	2108	Payload.exe
Token: SeIncBasePriorityPrivilege	2108	Payload.exe
Token: 33	2108	Payload.exe
Token: SeIncBasePriorityPrivilege	2108	Payload.exe
Token: 33	2108	Payload.exe
Token: SeIncBasePriorityPrivilege	2108	Payload.exe
Token: 33	2108	Payload.exe
Token: SeIncBasePriorityPrivilege	2108	Payload.exe
Token: 33	2108	Payload.exe
Token: SeIncBasePriorityPrivilege	2108	Payload.exe
Token: 33	2108	Payload.exe
Token: SeIncBasePriorityPrivilege	2108	Payload.exe
Token: 33	2108	Payload.exe
Token: SeIncBasePriorityPrivilege	2108	Payload.exe
Token: 33	2108	Payload.exe
Token: SeIncBasePriorityPrivilege	2108	Payload.exe
Token: 33	2108	Payload.exe
Token: SeIncBasePriorityPrivilege	2108	Payload.exe
Token: 33	2108	Payload.exe
Token: SeIncBasePriorityPrivilege	2108	Payload.exe
Token: 33	2108	Payload.exe
Token: SeIncBasePriorityPrivilege	2108	Payload.exe

Suspicious use of WriteProcessMemory 24 IoCs

description	pid	Process	procid_target
PID 4916 wrote to memory of 1984	4916	e101b5373089ee47b3c267f2d346de65_JaffaCakes118.exe	82
PID 4916 wrote to memory of 1984	4916	e101b5373089ee47b3c267f2d346de65_JaffaCakes118.exe	82
PID 4916 wrote to memory of 2040	4916	e101b5373089ee47b3c267f2d346de65_JaffaCakes118.exe	83
PID 4916 wrote to memory of 2040	4916	e101b5373089ee47b3c267f2d346de65_JaffaCakes118.exe	83
PID 4916 wrote to memory of 2040	4916	e101b5373089ee47b3c267f2d346de65_JaffaCakes118.exe	83
PID 1984 wrote to memory of 4360	1984	stuckssssssssss.exe	84
PID 1984 wrote to memory of 4360	1984	stuckssssssssss.exe	84
PID 2040 wrote to memory of 940	2040	Systeme update.exe	86
PID 2040 wrote to memory of 940	2040	Systeme update.exe	86
PID 2040 wrote to memory of 940	2040	Systeme update.exe	86
PID 2040 wrote to memory of 940	2040	Systeme update.exe	86
PID 2040 wrote to memory of 940	2040	Systeme update.exe	86
PID 2040 wrote to memory of 940	2040	Systeme update.exe	86
PID 2040 wrote to memory of 940	2040	Systeme update.exe	86
PID 2040 wrote to memory of 940	2040	Systeme update.exe	86
PID 940 wrote to memory of 3448	940	Systeme update.exe	87
PID 940 wrote to memory of 3448	940	Systeme update.exe	87
PID 940 wrote to memory of 3448	940	Systeme update.exe	87
PID 3448 wrote to memory of 2108	3448	Yzanbhdckbmqnu.exe	93
PID 3448 wrote to memory of 2108	3448	Yzanbhdckbmqnu.exe	93
PID 3448 wrote to memory of 2108	3448	Yzanbhdckbmqnu.exe	93
PID 3448 wrote to memory of 3596	3448	Yzanbhdckbmqnu.exe	94
PID 3448 wrote to memory of 3596	3448	Yzanbhdckbmqnu.exe	94
PID 3448 wrote to memory of 3596	3448	Yzanbhdckbmqnu.exe	94

Views/modifies file attributes 1 TTPs 1 IoCs

evasion

Hidden Files and Directories

T1564.001

pid	Process
3596	attrib.exe

C:\Users\Admin\AppData\Local\Temp\e101b5373089ee47b3c267f2d346de65_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\e101b5373089ee47b3c267f2d346de65_JaffaCakes118.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4916
- C:\Users\Admin\AppData\Local\Temp\stuckssssssssss.exe
  "C:\Users\Admin\AppData\Local\Temp\stuckssssssssss.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of WriteProcessMemory
  PID:1984
- - C:\Windows\Microsoft.NET\Framework64\v2.0.50727\dw20.exe
    dw20.exe -x -s 780
    3⤵
    - Checks processor information in registry
    - Enumerates system info in registry
    - Suspicious use of AdjustPrivilegeToken
    PID:4360
- C:\Users\Admin\AppData\Roaming\Systeme update.exe
  "C:\Users\Admin\AppData\Roaming\Systeme update.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2040
- - C:\Users\Admin\AppData\Roaming\Systeme update.exe
    "C:\Users\Admin\AppData\Roaming\Systeme update.exe"
    3⤵
    - Checks computer location settings
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:940
  - - C:\Users\Admin\AppData\Local\Temp\Yzanbhdckbmqnu.exe
      "C:\Users\Admin\AppData\Local\Temp\Yzanbhdckbmqnu.exe"
      4⤵
      Checks computer location settings
      Drops startup file
      Executes dropped EXE
      Adds Run key to start application
      System Location Discovery: System Language Discovery
      Suspicious use of WriteProcessMemory
      PID:3448
    - - C:\Users\Admin\AppData\Local\Temp\Payload.exe
        
        "C:\Users\Admin\AppData\Local\Temp\Payload.exe"
        5⤵
        Drops startup file
        Executes dropped EXE
        Adds Run key to start application
        System Location Discovery: System Language Discovery
        Suspicious use of AdjustPrivilegeToken
        
        PID:2108
    - - C:\Windows\SysWOW64\attrib.exe
        
        attrib +h +r +s "C:\Users\Admin\AppData\Local\Temp\Payload.exe"
        5⤵
        System Location Discovery: System Language Discovery
        Views/modifies file attributes
        
        PID:3596

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

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Hide Artifacts

T1564

Hidden Files and Directories

Modify Registry

Credential Access

Discovery

Query Registry

3

System Information Discovery

4

System Location Discovery

T1614

System Language Discovery