ca9a3481656a749870c13d58d50a90d3e91dfb5f0324253261e699a76fd82697

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\ControlSet001\Control\SESSION MANAGER\BootExecute = 6100750074006f0063006800650063006b0020006100750074006f00630068006b0020002a0000000000	reg.exe
Set value (data)	\REGISTRY\MACHINE\SYSTEM\ControlSet002\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"	4931bfa03b011b1d5b0b0f8dfd4a8116_JaffaCakes118.exe

Drops file in System32 directory 1 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\reg_0035.txt	4931bfa03b011b1d5b0b0f8dfd4a8116_JaffaCakes118.exe

Launches sc.exe 1 IoCs

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

pid	Process
1544	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
2204	schtasks.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
1908	4931bfa03b011b1d5b0b0f8dfd4a8116_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 20 IoCs

description	pid	Process	procid_target
PID 1908 wrote to memory of 2204	1908	4931bfa03b011b1d5b0b0f8dfd4a8116_JaffaCakes118.exe	29
PID 1908 wrote to memory of 2204	1908	4931bfa03b011b1d5b0b0f8dfd4a8116_JaffaCakes118.exe	29
PID 1908 wrote to memory of 2204	1908	4931bfa03b011b1d5b0b0f8dfd4a8116_JaffaCakes118.exe	29
PID 1908 wrote to memory of 2204	1908	4931bfa03b011b1d5b0b0f8dfd4a8116_JaffaCakes118.exe	29
PID 1908 wrote to memory of 1544	1908	4931bfa03b011b1d5b0b0f8dfd4a8116_JaffaCakes118.exe	31
PID 1908 wrote to memory of 1544	1908	4931bfa03b011b1d5b0b0f8dfd4a8116_JaffaCakes118.exe	31
PID 1908 wrote to memory of 1544	1908	4931bfa03b011b1d5b0b0f8dfd4a8116_JaffaCakes118.exe	31
PID 1908 wrote to memory of 1544	1908	4931bfa03b011b1d5b0b0f8dfd4a8116_JaffaCakes118.exe	31
PID 1908 wrote to memory of 1980	1908	4931bfa03b011b1d5b0b0f8dfd4a8116_JaffaCakes118.exe	33
PID 1908 wrote to memory of 1980	1908	4931bfa03b011b1d5b0b0f8dfd4a8116_JaffaCakes118.exe	33
PID 1908 wrote to memory of 1980	1908	4931bfa03b011b1d5b0b0f8dfd4a8116_JaffaCakes118.exe	33
PID 1908 wrote to memory of 1980	1908	4931bfa03b011b1d5b0b0f8dfd4a8116_JaffaCakes118.exe	33
PID 1908 wrote to memory of 408	1908	4931bfa03b011b1d5b0b0f8dfd4a8116_JaffaCakes118.exe	34
PID 1908 wrote to memory of 408	1908	4931bfa03b011b1d5b0b0f8dfd4a8116_JaffaCakes118.exe	34
PID 1908 wrote to memory of 408	1908	4931bfa03b011b1d5b0b0f8dfd4a8116_JaffaCakes118.exe	34
PID 1908 wrote to memory of 408	1908	4931bfa03b011b1d5b0b0f8dfd4a8116_JaffaCakes118.exe	34
PID 1908 wrote to memory of 3028	1908	4931bfa03b011b1d5b0b0f8dfd4a8116_JaffaCakes118.exe	35
PID 1908 wrote to memory of 3028	1908	4931bfa03b011b1d5b0b0f8dfd4a8116_JaffaCakes118.exe	35
PID 1908 wrote to memory of 3028	1908	4931bfa03b011b1d5b0b0f8dfd4a8116_JaffaCakes118.exe	35
PID 1908 wrote to memory of 3028	1908	4931bfa03b011b1d5b0b0f8dfd4a8116_JaffaCakes118.exe	35

C:\Users\Admin\AppData\Local\Temp\4931bfa03b011b1d5b0b0f8dfd4a8116_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\4931bfa03b011b1d5b0b0f8dfd4a8116_JaffaCakes118.exe"
1⤵
- Adds Run key to start application
- Drops file in System32 directory
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of WriteProcessMemory
PID:1908
- C:\Windows\SysWOW64\schtasks.exe
  schtasks /create /tn startt /tr c:\autoexec.bat /sc onstart /ru system
  2⤵
  - Scheduled Task/Job: Scheduled Task
  PID:2204
- C:\Windows\SysWOW64\sc.exe
  sc delete GbpSv
  2⤵
  - Launches sc.exe
  PID:1544
- 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:1980
- 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:408
- 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:3028

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