77666db52fa31340f6cfab997e70f8e131d9abf194492eb835abbddf7386992f

General

Target

6f9bd9d855fe272924a9cff391eef74b_JaffaCakes118.exe
Size

684KB
MD5

6f9bd9d855fe272924a9cff391eef74b
SHA1

907664fb66ad3fd7f122fd1a5ede879f60a9abde
SHA256

77666db52fa31340f6cfab997e70f8e131d9abf194492eb835abbddf7386992f
SHA512

30eeb42bd8cb6a703607e760a0bd9510e35841f8fccf568f080dcffcb66402796dcd85ef72fb6910922efa9c7d3f6d4300ce5e9fccec39d9edc10af583a11465
SSDEEP

6144:N9zgUC2RpgkVIzKKs8E72TFvAt9oGNCi5HzPh6iCGcATwRVqep0BS9ARjh/gw3FX:852VlKTEEqIsq7745Y

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\\csrss.exe\""	6f9bd9d855fe272924a9cff391eef74b_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "Explorer.exe \"C:\\Users\\Admin\\AppData\\Roaming\\csrss.exe\""	csrss.exe

Modifies Windows Firewall 2 TTPs 1 IoCs

evasion

Windows Service

T1543.003

Disable or Modify System Firewall

T1562.004

pid	Process
2936	netsh.exe

Executes dropped EXE 2 IoCs

pid	Process
2768	csrss.exe
1728	csrss.exe

Loads dropped DLL 2 IoCs

pid	Process
2552	6f9bd9d855fe272924a9cff391eef74b_JaffaCakes118.exe
2552	6f9bd9d855fe272924a9cff391eef74b_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-1-5-21-1385883288-3042840365-2734249351-1000\Software\Microsoft\Windows\CurrentVersion\Run\MSWUpdate = "\"C:\\Users\\Admin\\AppData\\Roaming\\csrss.exe\""	6f9bd9d855fe272924a9cff391eef74b_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\MSWUpdate = "\"C:\\Users\\Admin\\AppData\\Roaming\\csrss.exe\""	6f9bd9d855fe272924a9cff391eef74b_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1385883288-3042840365-2734249351-1000\Software\Microsoft\Windows\CurrentVersion\Run\MSWUpdate = "\"C:\\Users\\Admin\\AppData\\Roaming\\csrss.exe\""	csrss.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\MSWUpdate = "\"C:\\Users\\Admin\\AppData\\Roaming\\csrss.exe\""	csrss.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 2360 set thread context of 2552	2360	6f9bd9d855fe272924a9cff391eef74b_JaffaCakes118.exe	31
PID 2768 set thread context of 1728	2768	csrss.exe	36

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	6f9bd9d855fe272924a9cff391eef74b_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	6f9bd9d855fe272924a9cff391eef74b_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	csrss.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	csrss.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
2360	6f9bd9d855fe272924a9cff391eef74b_JaffaCakes118.exe
2552	6f9bd9d855fe272924a9cff391eef74b_JaffaCakes118.exe
2768	csrss.exe
1728	csrss.exe

Suspicious use of WriteProcessMemory 26 IoCs

description	pid	Process	procid_target
PID 2360 wrote to memory of 2552	2360	6f9bd9d855fe272924a9cff391eef74b_JaffaCakes118.exe	31
PID 2360 wrote to memory of 2552	2360	6f9bd9d855fe272924a9cff391eef74b_JaffaCakes118.exe	31
PID 2360 wrote to memory of 2552	2360	6f9bd9d855fe272924a9cff391eef74b_JaffaCakes118.exe	31
PID 2360 wrote to memory of 2552	2360	6f9bd9d855fe272924a9cff391eef74b_JaffaCakes118.exe	31
PID 2360 wrote to memory of 2552	2360	6f9bd9d855fe272924a9cff391eef74b_JaffaCakes118.exe	31
PID 2360 wrote to memory of 2552	2360	6f9bd9d855fe272924a9cff391eef74b_JaffaCakes118.exe	31
PID 2360 wrote to memory of 2552	2360	6f9bd9d855fe272924a9cff391eef74b_JaffaCakes118.exe	31
PID 2360 wrote to memory of 2552	2360	6f9bd9d855fe272924a9cff391eef74b_JaffaCakes118.exe	31
PID 2360 wrote to memory of 2552	2360	6f9bd9d855fe272924a9cff391eef74b_JaffaCakes118.exe	31
PID 2552 wrote to memory of 2936	2552	6f9bd9d855fe272924a9cff391eef74b_JaffaCakes118.exe	33
PID 2552 wrote to memory of 2936	2552	6f9bd9d855fe272924a9cff391eef74b_JaffaCakes118.exe	33
PID 2552 wrote to memory of 2936	2552	6f9bd9d855fe272924a9cff391eef74b_JaffaCakes118.exe	33
PID 2552 wrote to memory of 2936	2552	6f9bd9d855fe272924a9cff391eef74b_JaffaCakes118.exe	33
PID 2552 wrote to memory of 2768	2552	6f9bd9d855fe272924a9cff391eef74b_JaffaCakes118.exe	35
PID 2552 wrote to memory of 2768	2552	6f9bd9d855fe272924a9cff391eef74b_JaffaCakes118.exe	35
PID 2552 wrote to memory of 2768	2552	6f9bd9d855fe272924a9cff391eef74b_JaffaCakes118.exe	35
PID 2552 wrote to memory of 2768	2552	6f9bd9d855fe272924a9cff391eef74b_JaffaCakes118.exe	35
PID 2768 wrote to memory of 1728	2768	csrss.exe	36
PID 2768 wrote to memory of 1728	2768	csrss.exe	36
PID 2768 wrote to memory of 1728	2768	csrss.exe	36
PID 2768 wrote to memory of 1728	2768	csrss.exe	36
PID 2768 wrote to memory of 1728	2768	csrss.exe	36
PID 2768 wrote to memory of 1728	2768	csrss.exe	36
PID 2768 wrote to memory of 1728	2768	csrss.exe	36
PID 2768 wrote to memory of 1728	2768	csrss.exe	36
PID 2768 wrote to memory of 1728	2768	csrss.exe	36

C:\Users\Admin\AppData\Local\Temp\6f9bd9d855fe272924a9cff391eef74b_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\6f9bd9d855fe272924a9cff391eef74b_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2360
- C:\Users\Admin\AppData\Local\Temp\6f9bd9d855fe272924a9cff391eef74b_JaffaCakes118.exe
  C:\Users\Admin\AppData\Local\Temp\6f9bd9d855fe272924a9cff391eef74b_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:2552
- - C:\Windows\SysWOW64\netsh.exe
    netsh firewall add allowedprogram "C:\Users\Admin\AppData\Roaming\csrss.exe" CityScape Enable
    3⤵
    - Modifies Windows Firewall
    - Event Triggered Execution: Netsh Helper DLL
    - System Location Discovery: System Language Discovery
    PID:2936
- - C:\Users\Admin\AppData\Roaming\csrss.exe
    /d C:\Users\Admin\AppData\Local\Temp\6f9bd9d855fe272924a9cff391eef74b_JaffaCakes118.exe
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - System Location Discovery: System Language Discovery
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:2768
  - - C:\Users\Admin\AppData\Roaming\csrss.exe
      C:\Users\Admin\AppData\Roaming\csrss.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:1728

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 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\csrss.exe

Filesize
684KB

MD5
a66b99b66d797c87f0ef889f995f12c9

SHA1
387e9d0ef9be968d82327bc4aa059809451c735b

SHA256
14040a248b57decd8bb728286e68582421d54b9949f145c54594cd9c210ec433

SHA512
05709cf63f77dd8db97af3bd85495d4bd88279987a1cbd0071057dfde1cff77fc15a5b07ae8a8ccf947f425a4608d255366efe7b521f5c91c537aa2bd9ca4907

Download Submit
memory/1728-56-0x0000000000400000-0x0000000000422000-memory.dmp

Filesize
136KB

Download
memory/1728-55-0x0000000000400000-0x0000000000422000-memory.dmp

Filesize
136KB

Download
memory/1728-62-0x0000000000400000-0x0000000000422000-memory.dmp

Filesize
136KB

Download
memory/1728-61-0x0000000000400000-0x0000000000422000-memory.dmp

Filesize
136KB

Download
memory/1728-49-0x0000000000400000-0x0000000000422000-memory.dmp

Filesize
136KB

Download
memory/1728-50-0x0000000000400000-0x0000000000422000-memory.dmp

Filesize
136KB

Download
memory/1728-51-0x0000000000400000-0x0000000000422000-memory.dmp

Filesize
136KB

Download
memory/1728-52-0x0000000000400000-0x0000000000422000-memory.dmp

Filesize
136KB

Download
memory/1728-60-0x0000000000400000-0x0000000000422000-memory.dmp

Filesize
136KB

Download
memory/1728-53-0x0000000000400000-0x0000000000422000-memory.dmp

Filesize
136KB

Download
memory/1728-54-0x0000000000400000-0x0000000000422000-memory.dmp

Filesize
136KB

Download
memory/1728-59-0x0000000000400000-0x0000000000422000-memory.dmp

Filesize
136KB

Download
memory/1728-57-0x0000000000400000-0x0000000000422000-memory.dmp

Filesize
136KB

Download
memory/1728-58-0x0000000000400000-0x0000000000422000-memory.dmp

Filesize
136KB

Download
memory/2552-2-0x0000000000400000-0x0000000000422000-memory.dmp

Filesize
136KB

Download
memory/2552-22-0x0000000000400000-0x0000000000422000-memory.dmp

Filesize
136KB

Download
memory/2552-39-0x0000000000400000-0x0000000000422000-memory.dmp

Filesize
136KB

Download
memory/2552-7-0x0000000000400000-0x0000000000422000-memory.dmp

Filesize
136KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads