e2ff036733d4f7dea388fafc17f294e8438d4e9d49092545ad91d1d196a93012

Modify Registry

T1112

description	ioc	Process
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
Set value (data)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\SESSION MANAGER\BootExecute = 6100750074006f0063006800650063006b0020006100750074006f00630068006b0020002a0000000000	reg.exe

Themida packer 26 IoCs

Detects Themida, an advanced Windows software protection system.

themida

resource	yara_rule
behavioral1/memory/2180-4-0x0000000000400000-0x0000000001927000-memory.dmp	themida
behavioral1/memory/2180-5-0x0000000000400000-0x0000000001927000-memory.dmp	themida
behavioral1/memory/2180-6-0x0000000000400000-0x0000000001927000-memory.dmp	themida
behavioral1/memory/2180-7-0x0000000000400000-0x0000000001927000-memory.dmp	themida
behavioral1/memory/2180-8-0x0000000000400000-0x0000000001927000-memory.dmp	themida
behavioral1/memory/2180-9-0x0000000000400000-0x0000000001927000-memory.dmp	themida
behavioral1/memory/2180-10-0x0000000000400000-0x0000000001927000-memory.dmp	themida
behavioral1/memory/2180-11-0x0000000000400000-0x0000000001927000-memory.dmp	themida
behavioral1/memory/2180-12-0x0000000000400000-0x0000000001927000-memory.dmp	themida
behavioral1/memory/2180-13-0x0000000000400000-0x0000000001927000-memory.dmp	themida
behavioral1/memory/2180-14-0x0000000000400000-0x0000000001927000-memory.dmp	themida
behavioral1/memory/2180-16-0x0000000000400000-0x0000000001927000-memory.dmp	themida
behavioral1/memory/2180-17-0x0000000000400000-0x0000000001927000-memory.dmp	themida
behavioral1/memory/2180-18-0x0000000000400000-0x0000000001927000-memory.dmp	themida
behavioral1/memory/2180-19-0x0000000000400000-0x0000000001927000-memory.dmp	themida
behavioral1/memory/2180-20-0x0000000000400000-0x0000000001927000-memory.dmp	themida
behavioral1/memory/2180-21-0x0000000000400000-0x0000000001927000-memory.dmp	themida
behavioral1/memory/2180-22-0x0000000000400000-0x0000000001927000-memory.dmp	themida
behavioral1/memory/2180-23-0x0000000000400000-0x0000000001927000-memory.dmp	themida
behavioral1/memory/2180-24-0x0000000000400000-0x0000000001927000-memory.dmp	themida
behavioral1/memory/2180-25-0x0000000000400000-0x0000000001927000-memory.dmp	themida
behavioral1/memory/2180-26-0x0000000000400000-0x0000000001927000-memory.dmp	themida
behavioral1/memory/2180-27-0x0000000000400000-0x0000000001927000-memory.dmp	themida
behavioral1/memory/2180-28-0x0000000000400000-0x0000000001927000-memory.dmp	themida
behavioral1/memory/2180-29-0x0000000000400000-0x0000000001927000-memory.dmp	themida
behavioral1/memory/2180-30-0x0000000000400000-0x0000000001927000-memory.dmp	themida

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\Windows Movie Maker = "C:\\Arquivos de programas\\RunDLL31.exe"	1825fbf9c671af72ea7dd61405461208_JaffaCakes118.exe

Launches sc.exe 1 IoCs

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

pid	Process
2584	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
2748	schtasks.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2180	1825fbf9c671af72ea7dd61405461208_JaffaCakes118.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2180	1825fbf9c671af72ea7dd61405461208_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 20 IoCs

description	pid	Process	procid_target
PID 2180 wrote to memory of 2748	2180	1825fbf9c671af72ea7dd61405461208_JaffaCakes118.exe	28
PID 2180 wrote to memory of 2748	2180	1825fbf9c671af72ea7dd61405461208_JaffaCakes118.exe	28
PID 2180 wrote to memory of 2748	2180	1825fbf9c671af72ea7dd61405461208_JaffaCakes118.exe	28
PID 2180 wrote to memory of 2748	2180	1825fbf9c671af72ea7dd61405461208_JaffaCakes118.exe	28
PID 2180 wrote to memory of 2584	2180	1825fbf9c671af72ea7dd61405461208_JaffaCakes118.exe	30
PID 2180 wrote to memory of 2584	2180	1825fbf9c671af72ea7dd61405461208_JaffaCakes118.exe	30
PID 2180 wrote to memory of 2584	2180	1825fbf9c671af72ea7dd61405461208_JaffaCakes118.exe	30
PID 2180 wrote to memory of 2584	2180	1825fbf9c671af72ea7dd61405461208_JaffaCakes118.exe	30
PID 2180 wrote to memory of 2652	2180	1825fbf9c671af72ea7dd61405461208_JaffaCakes118.exe	31
PID 2180 wrote to memory of 2652	2180	1825fbf9c671af72ea7dd61405461208_JaffaCakes118.exe	31
PID 2180 wrote to memory of 2652	2180	1825fbf9c671af72ea7dd61405461208_JaffaCakes118.exe	31
PID 2180 wrote to memory of 2652	2180	1825fbf9c671af72ea7dd61405461208_JaffaCakes118.exe	31
PID 2180 wrote to memory of 2664	2180	1825fbf9c671af72ea7dd61405461208_JaffaCakes118.exe	32
PID 2180 wrote to memory of 2664	2180	1825fbf9c671af72ea7dd61405461208_JaffaCakes118.exe	32
PID 2180 wrote to memory of 2664	2180	1825fbf9c671af72ea7dd61405461208_JaffaCakes118.exe	32
PID 2180 wrote to memory of 2664	2180	1825fbf9c671af72ea7dd61405461208_JaffaCakes118.exe	32
PID 2180 wrote to memory of 2692	2180	1825fbf9c671af72ea7dd61405461208_JaffaCakes118.exe	33
PID 2180 wrote to memory of 2692	2180	1825fbf9c671af72ea7dd61405461208_JaffaCakes118.exe	33
PID 2180 wrote to memory of 2692	2180	1825fbf9c671af72ea7dd61405461208_JaffaCakes118.exe	33
PID 2180 wrote to memory of 2692	2180	1825fbf9c671af72ea7dd61405461208_JaffaCakes118.exe	33

C:\Users\Admin\AppData\Local\Temp\1825fbf9c671af72ea7dd61405461208_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\1825fbf9c671af72ea7dd61405461208_JaffaCakes118.exe"
1⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of WriteProcessMemory
PID:2180
- C:\Windows\SysWOW64\schtasks.exe
  schtasks /create /tn startt /tr c:\autoexec.bat /sc onstart /ru system
  2⤵
  - Scheduled Task/Job: Scheduled Task
  PID:2748
- C:\Windows\SysWOW64\sc.exe
  sc delete GbpSv
  2⤵
  - Launches sc.exe
  PID:2584
- 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:2652
- 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:2664
- 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:2692

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