d60e9ef90d1629f35e8ab7a408531962e1cc69fc4636eed6b0b82b02d59d4c60

Modify Registry

T1112

description	ioc	Process
Set value (data)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\Session Manager\BootExecute = 6100750074006f0063006800650063006b0020006100750074006f00630068006b0020002a0000000000	reg.exe
Set value (data)	\REGISTRY\MACHINE\SYSTEM\ControlSet002\Control\Session manager\BootExecute = 6100750074006f0063006800650063006b0020006100750074006f00630068006b0020002a0000000000	reg.exe
Set value (data)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\Session Manager\BootExecute = 6100750074006f0063006800650063006b0020006100750074006f00630068006b0020002a0000000000	reg.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Windows32 = "C:\\Arquivos de programas\\Windows32.exe"	4ce2ea8fa6441a021d8b3b68459f3a3b_JaffaCakes118.exe

Drops file in System32 directory 1 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\reg_0035.txt	4ce2ea8fa6441a021d8b3b68459f3a3b_JaffaCakes118.exe

Launches sc.exe 1 IoCs

Sc.exe is a Windows utlilty to control services on the system.

pid	Process
4016	sc.exe

Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence execution

Scheduled Task

pid	Process
3736	schtasks.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
4076	4ce2ea8fa6441a021d8b3b68459f3a3b_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 4076 wrote to memory of 3736	4076	4ce2ea8fa6441a021d8b3b68459f3a3b_JaffaCakes118.exe	84
PID 4076 wrote to memory of 3736	4076	4ce2ea8fa6441a021d8b3b68459f3a3b_JaffaCakes118.exe	84
PID 4076 wrote to memory of 3736	4076	4ce2ea8fa6441a021d8b3b68459f3a3b_JaffaCakes118.exe	84
PID 4076 wrote to memory of 4016	4076	4ce2ea8fa6441a021d8b3b68459f3a3b_JaffaCakes118.exe	85
PID 4076 wrote to memory of 4016	4076	4ce2ea8fa6441a021d8b3b68459f3a3b_JaffaCakes118.exe	85
PID 4076 wrote to memory of 4016	4076	4ce2ea8fa6441a021d8b3b68459f3a3b_JaffaCakes118.exe	85
PID 4076 wrote to memory of 2440	4076	4ce2ea8fa6441a021d8b3b68459f3a3b_JaffaCakes118.exe	86
PID 4076 wrote to memory of 2440	4076	4ce2ea8fa6441a021d8b3b68459f3a3b_JaffaCakes118.exe	86
PID 4076 wrote to memory of 2440	4076	4ce2ea8fa6441a021d8b3b68459f3a3b_JaffaCakes118.exe	86
PID 4076 wrote to memory of 748	4076	4ce2ea8fa6441a021d8b3b68459f3a3b_JaffaCakes118.exe	87
PID 4076 wrote to memory of 748	4076	4ce2ea8fa6441a021d8b3b68459f3a3b_JaffaCakes118.exe	87
PID 4076 wrote to memory of 748	4076	4ce2ea8fa6441a021d8b3b68459f3a3b_JaffaCakes118.exe	87
PID 4076 wrote to memory of 2224	4076	4ce2ea8fa6441a021d8b3b68459f3a3b_JaffaCakes118.exe	88
PID 4076 wrote to memory of 2224	4076	4ce2ea8fa6441a021d8b3b68459f3a3b_JaffaCakes118.exe	88
PID 4076 wrote to memory of 2224	4076	4ce2ea8fa6441a021d8b3b68459f3a3b_JaffaCakes118.exe	88

C:\Users\Admin\AppData\Local\Temp\4ce2ea8fa6441a021d8b3b68459f3a3b_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\4ce2ea8fa6441a021d8b3b68459f3a3b_JaffaCakes118.exe"
1⤵
- Adds Run key to start application
- Drops file in System32 directory
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of WriteProcessMemory
PID:4076
- C:\Windows\SysWOW64\schtasks.exe
  schtasks /create /tn startt /tr c:\autoexec.bat /sc onstart /ru system
  2⤵
  - Scheduled Task/Job: Scheduled Task
  PID:3736
- C:\Windows\SysWOW64\sc.exe
  sc delete GbpSv
  2⤵
  - Launches sc.exe
  PID:4016
- C:\Windows\SysWOW64\reg.exe
  reg add "HKLM\SYSTEM\ControlSet001\Control\Session manager" /v BootExecute /t REG_MULTI_SZ /d "autocheck autochk *" /f
  2⤵
  - Uses Session Manager for persistence
  PID:2440
- C:\Windows\SysWOW64\reg.exe
  reg add "HKLM\SYSTEM\ControlSet002\Control\Session manager" /v BootExecute /t REG_MULTI_SZ /d "autocheck autochk *" /f
  2⤵
  - Uses Session Manager for persistence
  PID:748
- C:\Windows\SysWOW64\reg.exe
  reg add "HKLM\SYSTEM\CurrentControlSet\Control\Session manager" /v BootExecute /t REG_MULTI_SZ /d "autocheck autochk *" /f
  2⤵
  - Uses Session Manager for persistence
  PID:2224

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

T1053

Scheduled Task

System Services

T1569

Service Execution

T1569.002

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

Create or Modify System Process

T1543

Windows Service

T1543.003

Scheduled Task/Job

T1053

Scheduled Task

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

Create or Modify System Process

T1543

Windows Service

T1543.003

Scheduled Task/Job

T1053

Scheduled Task

Defense Evasion

Impair Defenses

Modify Registry

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Service Stop