8add2f62da22c264797fdc7047894e101a114c6737ca961032b7c4f553151890

General

Target

969fe7473b2687760e5d1365f6223e5d_JaffaCakes118.exe
Size

128KB
MD5

969fe7473b2687760e5d1365f6223e5d
SHA1

caefebf06bd3f5700677cbd3a26a793f7a530c6a
SHA256

8add2f62da22c264797fdc7047894e101a114c6737ca961032b7c4f553151890
SHA512

23949814debbc3942601fb74bcdbcddf896eff0a4ed08cac5e3f77a1522dad46fff305e848c63acbac128db876572adf178e09f8d14cad6da94867ecd4de5b97
SSDEEP

1536:APXd9QDMl6hfeMTEbFKB1B1hAaEaS4EILJ1kjKhcbBBTIzIrUStb2VwO:APXd9FyhAaUI11kjKfIr5tb2V1

Score

10^/10

discovery evasion persistence privilege_escalation

Malware Config

Signatures

Modifies WinLogon for persistence 2 TTPs 1 IoCs

persistence

Winlogon Helper DLL

T1547.004

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Userinit = "C:\\Windows\\system32\\userinit.exe,C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\csrss.exe"	969fe7473b2687760e5d1365f6223e5d_JaffaCakes118.exe

Adds policy Run key to start application 2 TTPs 4 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run	969fe7473b2687760e5d1365f6223e5d_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\csrss = "C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\csrss.exe"	969fe7473b2687760e5d1365f6223e5d_JaffaCakes118.exe
Key created	\REGISTRY\USER\S-1-5-21-4182098368-2521458979-3782681353-1000\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run	969fe7473b2687760e5d1365f6223e5d_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4182098368-2521458979-3782681353-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\csrss = "C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\csrss.exe"	969fe7473b2687760e5d1365f6223e5d_JaffaCakes118.exe

Modifies Windows Firewall 2 TTPs 1 IoCs

evasion

Windows Service

T1543.003

Disable or Modify System Firewall

T1562.004

pid	Process
4336	netsh.exe

Executes dropped EXE 1 IoCs

pid	Process
1064	csrss.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\USER\S-1-5-21-4182098368-2521458979-3782681353-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\csrss.exe"	969fe7473b2687760e5d1365f6223e5d_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\csrss = "C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\csrss.exe"	969fe7473b2687760e5d1365f6223e5d_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 queried	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh	netsh.exe
Key value enumerated	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh	netsh.exe
Key opened	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh	netsh.exe

System Location Discovery: System Language Discovery 1 TTPs 3 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	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	969fe7473b2687760e5d1365f6223e5d_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	csrss.exe

System Time Discovery 1 TTPs 1 IoCs

Adversary may gather the system time and/or time zone settings from a local or remote system.

discovery

System Time Discovery

T1124

pid	Process
4336	netsh.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
3000	969fe7473b2687760e5d1365f6223e5d_JaffaCakes118.exe
1064	csrss.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3000 wrote to memory of 4336	3000	969fe7473b2687760e5d1365f6223e5d_JaffaCakes118.exe	84
PID 3000 wrote to memory of 4336	3000	969fe7473b2687760e5d1365f6223e5d_JaffaCakes118.exe	84
PID 3000 wrote to memory of 4336	3000	969fe7473b2687760e5d1365f6223e5d_JaffaCakes118.exe	84
PID 3000 wrote to memory of 1064	3000	969fe7473b2687760e5d1365f6223e5d_JaffaCakes118.exe	86
PID 3000 wrote to memory of 1064	3000	969fe7473b2687760e5d1365f6223e5d_JaffaCakes118.exe	86
PID 3000 wrote to memory of 1064	3000	969fe7473b2687760e5d1365f6223e5d_JaffaCakes118.exe	86

C:\Users\Admin\AppData\Local\Temp\969fe7473b2687760e5d1365f6223e5d_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\969fe7473b2687760e5d1365f6223e5d_JaffaCakes118.exe"
1⤵
- Modifies WinLogon for persistence
- Adds policy Run key to start application
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3000
- C:\Windows\SysWOW64\netsh.exe
  netsh advfirewall firewall add rule name="Nero" dir=in action=allow description="Multimedia suite" program="C:\Users\Admin\AppData\Roaming\Microsoft\csrss.exe" enable=yes
  2⤵
  - Modifies Windows Firewall
  - Event Triggered Execution: Netsh Helper DLL
  - System Location Discovery: System Language Discovery
  - System Time Discovery
  PID:4336
- C:\Users\Admin\AppData\Roaming\Microsoft\csrss.exe
  C:\Users\Admin\AppData\Local\Temp\969fe7473b2687760e5d1365f6223e5d_JaffaCakes118.exe
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  PID:1064

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

3

T1547

Registry Run Keys / Startup Folder

2

T1547.001

Winlogon Helper DLL

1

T1547.004

Create or Modify System Process

1

T1543

Windows Service

1

T1543.003

Event Triggered Execution

1

T1546

Netsh Helper DLL

1

T1546.007

Privilege Escalation

Boot or Logon Autostart Execution

3

T1547

Registry Run Keys / Startup Folder

2

T1547.001

Winlogon Helper DLL

1

T1547.004

Create or Modify System Process

1

T1543

Windows Service

1

T1543.003

Event Triggered Execution

1

T1546

Netsh Helper DLL

1

T1546.007

Defense Evasion

Impair Defenses

1

T1562

Disable or Modify System Firewall

Modify Registry

Credential Access

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

System Time Discovery

1

T1124

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Roaming\Microsoft\csrss.exe

Filesize
128KB

MD5
969fe7473b2687760e5d1365f6223e5d

SHA1
caefebf06bd3f5700677cbd3a26a793f7a530c6a

SHA256
8add2f62da22c264797fdc7047894e101a114c6737ca961032b7c4f553151890

SHA512
23949814debbc3942601fb74bcdbcddf896eff0a4ed08cac5e3f77a1522dad46fff305e848c63acbac128db876572adf178e09f8d14cad6da94867ecd4de5b97

Download Submit
memory/1064-23-0x0000000000400000-0x0000000000422000-memory.dmp

Filesize
136KB

Download
memory/3000-0-0x0000000000400000-0x0000000000422000-memory.dmp

Filesize
136KB

Download
memory/3000-10-0x0000000000400000-0x0000000000422000-memory.dmp

Filesize
136KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads