259c26d577bb1a511d84944bb4da21b026365a468846064357d0ff3cc72a285b

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

Identifies Wine through registry keys 2 TTPs 1 IoCs

Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.

evasion

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1846800975-3917212583-2893086201-1000\Software\Wine	ea9395739e2e21e415a2ec5b19ff1085_JaffaCakes118.exe

Themida packer 25 IoCs

Detects Themida, an advanced Windows software protection system.

themida

resource	yara_rule
behavioral1/memory/2180-0-0x0000000000400000-0x0000000001222000-memory.dmp	themida
behavioral1/memory/2180-4-0x0000000000400000-0x0000000001222000-memory.dmp	themida
behavioral1/memory/2180-5-0x0000000000400000-0x0000000001222000-memory.dmp	themida
behavioral1/memory/2180-6-0x0000000000400000-0x0000000001222000-memory.dmp	themida
behavioral1/memory/2180-7-0x0000000000400000-0x0000000001222000-memory.dmp	themida
behavioral1/memory/2180-8-0x0000000000400000-0x0000000001222000-memory.dmp	themida
behavioral1/memory/2180-9-0x0000000000400000-0x0000000001222000-memory.dmp	themida
behavioral1/memory/2180-10-0x0000000000400000-0x0000000001222000-memory.dmp	themida
behavioral1/memory/2180-11-0x0000000000400000-0x0000000001222000-memory.dmp	themida
behavioral1/memory/2180-12-0x0000000000400000-0x0000000001222000-memory.dmp	themida
behavioral1/memory/2180-13-0x0000000000400000-0x0000000001222000-memory.dmp	themida
behavioral1/memory/2180-14-0x0000000000400000-0x0000000001222000-memory.dmp	themida
behavioral1/memory/2180-15-0x0000000000400000-0x0000000001222000-memory.dmp	themida
behavioral1/memory/2180-16-0x0000000000400000-0x0000000001222000-memory.dmp	themida
behavioral1/memory/2180-17-0x0000000000400000-0x0000000001222000-memory.dmp	themida
behavioral1/memory/2180-18-0x0000000000400000-0x0000000001222000-memory.dmp	themida
behavioral1/memory/2180-19-0x0000000000400000-0x0000000001222000-memory.dmp	themida
behavioral1/memory/2180-20-0x0000000000400000-0x0000000001222000-memory.dmp	themida
behavioral1/memory/2180-21-0x0000000000400000-0x0000000001222000-memory.dmp	themida
behavioral1/memory/2180-22-0x0000000000400000-0x0000000001222000-memory.dmp	themida
behavioral1/memory/2180-23-0x0000000000400000-0x0000000001222000-memory.dmp	themida
behavioral1/memory/2180-24-0x0000000000400000-0x0000000001222000-memory.dmp	themida
behavioral1/memory/2180-25-0x0000000000400000-0x0000000001222000-memory.dmp	themida
behavioral1/memory/2180-26-0x0000000000400000-0x0000000001222000-memory.dmp	themida
behavioral1/memory/2180-27-0x0000000000400000-0x0000000001222000-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\Windows32 = "C:\\Arquivos de programas\\Windows32.exe"	ea9395739e2e21e415a2ec5b19ff1085_JaffaCakes118.exe

Drops file in System32 directory 1 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\reg_0035.txt	ea9395739e2e21e415a2ec5b19ff1085_JaffaCakes118.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
2180	ea9395739e2e21e415a2ec5b19ff1085_JaffaCakes118.exe

Launches sc.exe 1 IoCs

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

pid	Process
2388	sc.exe

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	reg.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	reg.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ea9395739e2e21e415a2ec5b19ff1085_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	reg.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
2784	schtasks.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2180	ea9395739e2e21e415a2ec5b19ff1085_JaffaCakes118.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2180	ea9395739e2e21e415a2ec5b19ff1085_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 20 IoCs

description	pid	Process	procid_target
PID 2180 wrote to memory of 2784	2180	ea9395739e2e21e415a2ec5b19ff1085_JaffaCakes118.exe	30
PID 2180 wrote to memory of 2784	2180	ea9395739e2e21e415a2ec5b19ff1085_JaffaCakes118.exe	30
PID 2180 wrote to memory of 2784	2180	ea9395739e2e21e415a2ec5b19ff1085_JaffaCakes118.exe	30
PID 2180 wrote to memory of 2784	2180	ea9395739e2e21e415a2ec5b19ff1085_JaffaCakes118.exe	30
PID 2180 wrote to memory of 2388	2180	ea9395739e2e21e415a2ec5b19ff1085_JaffaCakes118.exe	31
PID 2180 wrote to memory of 2388	2180	ea9395739e2e21e415a2ec5b19ff1085_JaffaCakes118.exe	31
PID 2180 wrote to memory of 2388	2180	ea9395739e2e21e415a2ec5b19ff1085_JaffaCakes118.exe	31
PID 2180 wrote to memory of 2388	2180	ea9395739e2e21e415a2ec5b19ff1085_JaffaCakes118.exe	31
PID 2180 wrote to memory of 2912	2180	ea9395739e2e21e415a2ec5b19ff1085_JaffaCakes118.exe	34
PID 2180 wrote to memory of 2912	2180	ea9395739e2e21e415a2ec5b19ff1085_JaffaCakes118.exe	34
PID 2180 wrote to memory of 2912	2180	ea9395739e2e21e415a2ec5b19ff1085_JaffaCakes118.exe	34
PID 2180 wrote to memory of 2912	2180	ea9395739e2e21e415a2ec5b19ff1085_JaffaCakes118.exe	34
PID 2180 wrote to memory of 888	2180	ea9395739e2e21e415a2ec5b19ff1085_JaffaCakes118.exe	35
PID 2180 wrote to memory of 888	2180	ea9395739e2e21e415a2ec5b19ff1085_JaffaCakes118.exe	35
PID 2180 wrote to memory of 888	2180	ea9395739e2e21e415a2ec5b19ff1085_JaffaCakes118.exe	35
PID 2180 wrote to memory of 888	2180	ea9395739e2e21e415a2ec5b19ff1085_JaffaCakes118.exe	35
PID 2180 wrote to memory of 2704	2180	ea9395739e2e21e415a2ec5b19ff1085_JaffaCakes118.exe	36
PID 2180 wrote to memory of 2704	2180	ea9395739e2e21e415a2ec5b19ff1085_JaffaCakes118.exe	36
PID 2180 wrote to memory of 2704	2180	ea9395739e2e21e415a2ec5b19ff1085_JaffaCakes118.exe	36
PID 2180 wrote to memory of 2704	2180	ea9395739e2e21e415a2ec5b19ff1085_JaffaCakes118.exe	36

C:\Users\Admin\AppData\Local\Temp\ea9395739e2e21e415a2ec5b19ff1085_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\ea9395739e2e21e415a2ec5b19ff1085_JaffaCakes118.exe"
1⤵
- Identifies Wine through registry keys
- Adds Run key to start application
- Drops file in System32 directory
- Suspicious use of NtSetInformationThreadHideFromDebugger
- System Location Discovery: System Language Discovery
- 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⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:2784
- C:\Windows\SysWOW64\sc.exe
  sc delete GbpSv
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2388
- 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
  - System Location Discovery: System Language Discovery
  PID:2912
- 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
  - System Location Discovery: System Language Discovery
  PID:888
- 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
  - System Location Discovery: System Language Discovery
  PID:2704

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

Virtualization/Sandbox Evasion

T1497

Credential Access

Discovery

Query Registry

T1012

System Location Discovery

T1614

System Language Discovery

T1614.001

Virtualization/Sandbox Evasion

T1497

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Service Stop