aa087d0ed2649c2c5f2535274e734de85aa1899c97339599295f71577b768605

General

Target

31e3bb713837aa6f01723beef7b4fd5e_JaffaCakes118.exe
Size

18.1MB
MD5

31e3bb713837aa6f01723beef7b4fd5e
SHA1

c8e8774f3de7445726729c69ded94fabe7fd31ea
SHA256

aa087d0ed2649c2c5f2535274e734de85aa1899c97339599295f71577b768605
SHA512

691348494209011a60269a0ac460a64ccbb675f83622fd0aa1e5dddf62e4fa544617a19671328abc137d2d30c9908340eb548ebc1dbcddd0494e74517ccaf38a
SSDEEP

196608:Yk/8l/YpF7qLxzMbMMMM+MMMK0eqHEACNxxOHxNlnU4:Yo81YpIzMbMMMM+MMMK0eqHIgxNf

Score

10^/10

evasion persistence privilege_escalation trojan

Malware Config

Signatures

UAC bypass 3 TTPs 1 IoCs

evasion trojan

Bypass User Account Control

T1548.002

Disable or Modify Tools

T1562.001

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	reg.exe

Modifies Windows Firewall 2 TTPs 1 IoCs

evasion

Windows Service

T1543.003

Disable or Modify System Firewall

T1562.004

pid	Process
2108	netsh.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Javaxys = "C:\\Arquivos de programas\\Symantec Security\\Javaxys.exe"	31e3bb713837aa6f01723beef7b4fd5e_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\SysRescue.exe = "C:\\Windows\\System32\\SysRescue.exe"	31e3bb713837aa6f01723beef7b4fd5e_JaffaCakes118.exe

Drops file in System32 directory 3 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\Versão_1.0.0.7.Dll	31e3bb713837aa6f01723beef7b4fd5e_JaffaCakes118.exe
File created	C:\WINDOWS\SysWOW64\TS45.SYS	31e3bb713837aa6f01723beef7b4fd5e_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\SysRescue.exe	31e3bb713837aa6f01723beef7b4fd5e_JaffaCakes118.exe

Event Triggered Execution: Netsh Helper DLL 1 TTPs 3 IoCs

Netsh.exe (also referred to as Netshell) is a command-line scripting utility used to interact with the network configuration of a system.

persistence privilege_escalation

Netsh Helper DLL

T1546.007

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh	netsh.exe
Key queried	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh	netsh.exe
Key value enumerated	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh	netsh.exe

Modifies registry key 1 TTPs 1 IoCs

Modify Registry

T1112

pid	Process
864	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

T1053.005

pid	Process
2952	schtasks.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2184	31e3bb713837aa6f01723beef7b4fd5e_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 2184 wrote to memory of 2108	2184	31e3bb713837aa6f01723beef7b4fd5e_JaffaCakes118.exe	30
PID 2184 wrote to memory of 2108	2184	31e3bb713837aa6f01723beef7b4fd5e_JaffaCakes118.exe	30
PID 2184 wrote to memory of 2108	2184	31e3bb713837aa6f01723beef7b4fd5e_JaffaCakes118.exe	30
PID 2184 wrote to memory of 2108	2184	31e3bb713837aa6f01723beef7b4fd5e_JaffaCakes118.exe	30
PID 2184 wrote to memory of 2528	2184	31e3bb713837aa6f01723beef7b4fd5e_JaffaCakes118.exe	32
PID 2184 wrote to memory of 2528	2184	31e3bb713837aa6f01723beef7b4fd5e_JaffaCakes118.exe	32
PID 2184 wrote to memory of 2528	2184	31e3bb713837aa6f01723beef7b4fd5e_JaffaCakes118.exe	32
PID 2184 wrote to memory of 2528	2184	31e3bb713837aa6f01723beef7b4fd5e_JaffaCakes118.exe	32
PID 2184 wrote to memory of 2952	2184	31e3bb713837aa6f01723beef7b4fd5e_JaffaCakes118.exe	33
PID 2184 wrote to memory of 2952	2184	31e3bb713837aa6f01723beef7b4fd5e_JaffaCakes118.exe	33
PID 2184 wrote to memory of 2952	2184	31e3bb713837aa6f01723beef7b4fd5e_JaffaCakes118.exe	33
PID 2184 wrote to memory of 2952	2184	31e3bb713837aa6f01723beef7b4fd5e_JaffaCakes118.exe	33
PID 2528 wrote to memory of 864	2528	cmd.exe	36
PID 2528 wrote to memory of 864	2528	cmd.exe	36
PID 2528 wrote to memory of 864	2528	cmd.exe	36
PID 2528 wrote to memory of 864	2528	cmd.exe	36

C:\Users\Admin\AppData\Local\Temp\31e3bb713837aa6f01723beef7b4fd5e_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\31e3bb713837aa6f01723beef7b4fd5e_JaffaCakes118.exe"
1⤵
- Adds Run key to start application
- Drops file in System32 directory
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of WriteProcessMemory
PID:2184
- C:\Windows\SysWOW64\netsh.exe
  netsh firewall add allowedprogram C:\Arquivos de programas\Symantec Security\Javaxys.exe RPCCC
  2⤵
  - Modifies Windows Firewall
  - Event Triggered Execution: Netsh Helper DLL
  PID:2108
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\System32\cmd.exe /k %windir%\System32\reg.exe ADD HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System /v EnableLUA /t REG_DWORD /d 0 /f
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2528
- - C:\Windows\SysWOW64\reg.exe
    C:\Windows\System32\reg.exe ADD HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System /v EnableLUA /t REG_DWORD /d 0 /f
    3⤵
    - UAC bypass
    - Modifies registry key
    PID:864
- C:\Windows\SysWOW64\schtasks.exe
  schtasks /create /tn startt /tr c:\autoexec.bat /sc onstart /ru system
  2⤵
  - Scheduled Task/Job: Scheduled Task
  PID:2952

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Create or Modify System Process

1

T1543

Windows Service

1

T1543.003

Event Triggered Execution

1

T1546

Netsh Helper DLL

1

T1546.007

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Privilege Escalation

Abuse Elevation Control Mechanism

1

T1548

Bypass User Account Control

1

T1548.002

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Create or Modify System Process

1

T1543

Windows Service

1

T1543.003

Event Triggered Execution

1

T1546

Netsh Helper DLL

1

T1546.007

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Defense Evasion

Abuse Elevation Control Mechanism

1

T1548

Bypass User Account Control

1

T1548.002

Impair Defenses

2

T1562

Disable or Modify System Firewall

1

T1562.004

Disable or Modify Tools

Modify Registry

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/2184-3-0x0000000000100000-0x000000000132B000-memory.dmp

Filesize
18.2MB

Download
memory/2184-6-0x0000000000100000-0x000000000132B000-memory.dmp

Filesize
18.2MB

Download
memory/2184-7-0x0000000000100000-0x000000000132B000-memory.dmp

Filesize
18.2MB

Download
memory/2184-8-0x0000000000100000-0x000000000132B000-memory.dmp

Filesize
18.2MB

Download
memory/2184-9-0x0000000000100000-0x000000000132B000-memory.dmp

Filesize
18.2MB

Download
memory/2184-10-0x0000000000100000-0x000000000132B000-memory.dmp

Filesize
18.2MB

Download
memory/2184-11-0x0000000000100000-0x000000000132B000-memory.dmp

Filesize
18.2MB

Download
memory/2184-12-0x0000000000100000-0x000000000132B000-memory.dmp

Filesize
18.2MB

Download
memory/2184-13-0x0000000000100000-0x000000000132B000-memory.dmp

Filesize
18.2MB

Download
memory/2184-14-0x0000000000100000-0x000000000132B000-memory.dmp

Filesize
18.2MB

Download
memory/2184-15-0x0000000000100000-0x000000000132B000-memory.dmp

Filesize
18.2MB

Download
memory/2184-16-0x0000000000100000-0x000000000132B000-memory.dmp

Filesize
18.2MB

Download
memory/2184-17-0x0000000000100000-0x000000000132B000-memory.dmp

Filesize
18.2MB

Download
memory/2184-18-0x0000000000100000-0x000000000132B000-memory.dmp

Filesize
18.2MB

Download
memory/2184-19-0x0000000000100000-0x000000000132B000-memory.dmp

Filesize
18.2MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads