0a3e0b6808b7a5bfb6684869b50ffb018672bba45bb17016b4d399631b8a615a

General

Target

efb7a8cb82a282ba4facfee291ba7482_JaffaCakes118.exe
Size

738KB
MD5

efb7a8cb82a282ba4facfee291ba7482
SHA1

1f0adbf4a8d03adaed09fad7c862326b31a38a66
SHA256

0a3e0b6808b7a5bfb6684869b50ffb018672bba45bb17016b4d399631b8a615a
SHA512

340377d495ee436f315364100904f6dcb11e656ddd2ddbd3ebf27ba62ce86c2c74c4ffd23d24f58dc056448d2f88c90f5be2baaaaff801a584243ecd5ce0bb69
SSDEEP

12288:IaWzgMg7v3qnCi4ErQohh0F4ECJ8lny7Q7JRLm4+lJB+eNl:faHMv6C0rjsny7Q7JlU

Score

10^/10

discovery evasion persistence privilege_escalation

Malware Config

Signatures

Modifies WinLogon for persistence 2 TTPs 2 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\Shell = "Explorer.exe \"C:\\Users\\Admin\\AppData\\Roaming\\winlogon.exe\""	efb7a8cb82a282ba4facfee291ba7482_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "Explorer.exe \"C:\\Users\\Admin\\AppData\\Roaming\\winlogon.exe\""	winlogon.exe

Modifies Windows Firewall 2 TTPs 1 IoCs

evasion

Windows Service

T1543.003

Disable or Modify System Firewall

T1562.004

pid	Process
2488	netsh.exe

Executes dropped EXE 2 IoCs

pid	Process
2556	winlogon.exe
920	winlogon.exe

Loads dropped DLL 2 IoCs

pid	Process
2644	efb7a8cb82a282ba4facfee291ba7482_JaffaCakes118.exe
2644	efb7a8cb82a282ba4facfee291ba7482_JaffaCakes118.exe

Adds Run key to start application 2 TTPs 4 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-457978338-2990298471-2379561640-1000\Software\Microsoft\Windows\CurrentVersion\Run\MSWUpdate = "\"C:\\Users\\Admin\\AppData\\Roaming\\winlogon.exe\""	efb7a8cb82a282ba4facfee291ba7482_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\MSWUpdate = "\"C:\\Users\\Admin\\AppData\\Roaming\\winlogon.exe\""	efb7a8cb82a282ba4facfee291ba7482_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-457978338-2990298471-2379561640-1000\Software\Microsoft\Windows\CurrentVersion\Run\MSWUpdate = "\"C:\\Users\\Admin\\AppData\\Roaming\\winlogon.exe\""	winlogon.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\MSWUpdate = "\"C:\\Users\\Admin\\AppData\\Roaming\\winlogon.exe\""	winlogon.exe

AutoIT Executable 1 IoCs

AutoIT scripts compiled to PE executables.

resource	yara_rule
behavioral1/files/0x002d00000001866f-41.dat	autoit_exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 2700 set thread context of 2644	2700	efb7a8cb82a282ba4facfee291ba7482_JaffaCakes118.exe	30
PID 2556 set thread context of 920	2556	winlogon.exe	34

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

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

System Location Discovery: System Language Discovery 1 TTPs 5 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	efb7a8cb82a282ba4facfee291ba7482_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	efb7a8cb82a282ba4facfee291ba7482_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winlogon.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winlogon.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2644	efb7a8cb82a282ba4facfee291ba7482_JaffaCakes118.exe
920	winlogon.exe

Suspicious use of WriteProcessMemory 22 IoCs

description	pid	Process	procid_target
PID 2700 wrote to memory of 2644	2700	efb7a8cb82a282ba4facfee291ba7482_JaffaCakes118.exe	30
PID 2700 wrote to memory of 2644	2700	efb7a8cb82a282ba4facfee291ba7482_JaffaCakes118.exe	30
PID 2700 wrote to memory of 2644	2700	efb7a8cb82a282ba4facfee291ba7482_JaffaCakes118.exe	30
PID 2700 wrote to memory of 2644	2700	efb7a8cb82a282ba4facfee291ba7482_JaffaCakes118.exe	30
PID 2700 wrote to memory of 2644	2700	efb7a8cb82a282ba4facfee291ba7482_JaffaCakes118.exe	30
PID 2700 wrote to memory of 2644	2700	efb7a8cb82a282ba4facfee291ba7482_JaffaCakes118.exe	30
PID 2700 wrote to memory of 2644	2700	efb7a8cb82a282ba4facfee291ba7482_JaffaCakes118.exe	30
PID 2644 wrote to memory of 2488	2644	efb7a8cb82a282ba4facfee291ba7482_JaffaCakes118.exe	31
PID 2644 wrote to memory of 2488	2644	efb7a8cb82a282ba4facfee291ba7482_JaffaCakes118.exe	31
PID 2644 wrote to memory of 2488	2644	efb7a8cb82a282ba4facfee291ba7482_JaffaCakes118.exe	31
PID 2644 wrote to memory of 2488	2644	efb7a8cb82a282ba4facfee291ba7482_JaffaCakes118.exe	31
PID 2644 wrote to memory of 2556	2644	efb7a8cb82a282ba4facfee291ba7482_JaffaCakes118.exe	33
PID 2644 wrote to memory of 2556	2644	efb7a8cb82a282ba4facfee291ba7482_JaffaCakes118.exe	33
PID 2644 wrote to memory of 2556	2644	efb7a8cb82a282ba4facfee291ba7482_JaffaCakes118.exe	33
PID 2644 wrote to memory of 2556	2644	efb7a8cb82a282ba4facfee291ba7482_JaffaCakes118.exe	33
PID 2556 wrote to memory of 920	2556	winlogon.exe	34
PID 2556 wrote to memory of 920	2556	winlogon.exe	34
PID 2556 wrote to memory of 920	2556	winlogon.exe	34
PID 2556 wrote to memory of 920	2556	winlogon.exe	34
PID 2556 wrote to memory of 920	2556	winlogon.exe	34
PID 2556 wrote to memory of 920	2556	winlogon.exe	34
PID 2556 wrote to memory of 920	2556	winlogon.exe	34

C:\Users\Admin\AppData\Local\Temp\efb7a8cb82a282ba4facfee291ba7482_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\efb7a8cb82a282ba4facfee291ba7482_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2700
- C:\Users\Admin\AppData\Local\Temp\efb7a8cb82a282ba4facfee291ba7482_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\efb7a8cb82a282ba4facfee291ba7482_JaffaCakes118.exe"
  2⤵
  - Modifies WinLogon for persistence
  - Loads dropped DLL
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:2644
- - C:\Windows\SysWOW64\netsh.exe
    netsh firewall add allowedprogram "C:\Users\Admin\AppData\Roaming\winlogon.exe" CityScape Enable
    3⤵
    - Modifies Windows Firewall
    - Event Triggered Execution: Netsh Helper DLL
    - System Location Discovery: System Language Discovery
    PID:2488
- - C:\Users\Admin\AppData\Roaming\winlogon.exe
    /d C:\Users\Admin\AppData\Local\Temp\efb7a8cb82a282ba4facfee291ba7482_JaffaCakes118.exe
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2556
  - - C:\Users\Admin\AppData\Roaming\winlogon.exe
      "C:\Users\Admin\AppData\Roaming\winlogon.exe"
      4⤵
      Modifies WinLogon for persistence
      Executes dropped EXE
      Adds Run key to start application
      System Location Discovery: System Language Discovery
      Suspicious use of SetWindowsHookEx
      PID:920

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

2

T1547

Registry Run Keys / Startup Folder

1

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

2

T1547

Registry Run Keys / Startup Folder

1

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 Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

\Users\Admin\AppData\Roaming\winlogon.exe

Filesize
738KB

MD5
a7ba3c44b6c6e113da2f482fb90edcd1

SHA1
c992c674f2dbe4f7ad4c202c9f4daf08b009f428

SHA256
ffa319f504db8570fb70ed54129c9ec220337beda371f734af73e13ed30f81d2

SHA512
46d99dce474bbdb49c6d7ffc730023dde5f28e951dbfb9d8daf494ff4ed5c0fc44d10da1debf336a843ba4ab01a698a17639cb150b99d4e876cfe9452d757381

Download Submit
memory/920-68-0x0000000000400000-0x0000000000422000-memory.dmp

Filesize
136KB

Download
memory/920-70-0x0000000000400000-0x0000000000422000-memory.dmp

Filesize
136KB

Download
memory/920-78-0x0000000000400000-0x0000000000422000-memory.dmp

Filesize
136KB

Download
memory/920-77-0x0000000000400000-0x0000000000422000-memory.dmp

Filesize
136KB

Download
memory/920-76-0x0000000000400000-0x0000000000422000-memory.dmp

Filesize
136KB

Download
memory/920-66-0x0000000000400000-0x0000000000422000-memory.dmp

Filesize
136KB

Download
memory/920-67-0x0000000000400000-0x0000000000422000-memory.dmp

Filesize
136KB

Download
memory/920-75-0x0000000000400000-0x0000000000422000-memory.dmp

Filesize
136KB

Download
memory/920-74-0x0000000000400000-0x0000000000422000-memory.dmp

Filesize
136KB

Download
memory/920-71-0x0000000000400000-0x0000000000422000-memory.dmp

Filesize
136KB

Download
memory/920-69-0x0000000000400000-0x0000000000422000-memory.dmp

Filesize
136KB

Download
memory/920-73-0x0000000000400000-0x0000000000422000-memory.dmp

Filesize
136KB

Download
memory/2644-9-0x0000000000400000-0x0000000000422000-memory.dmp

Filesize
136KB

Download
memory/2644-5-0x0000000000400000-0x0000000000422000-memory.dmp

Filesize
136KB

Download
memory/2644-48-0x0000000000400000-0x0000000000422000-memory.dmp

Filesize
136KB

Download
memory/2644-7-0x0000000000400000-0x0000000000422000-memory.dmp

Filesize
136KB

Download
memory/2644-11-0x0000000000400000-0x0000000000422000-memory.dmp

Filesize
136KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads