f8ebd315ae1acef6163aaf3e22b19bde2701d7dc4cebf86450f11f19af5541b0

General

Target

b1cd8207580def50e96ad490366db703_JaffaCakes118.exe
Size

15KB
MD5

b1cd8207580def50e96ad490366db703
SHA1

fbb9a529ee7e3abadee5ad5fe5a53af9c097454b
SHA256

f8ebd315ae1acef6163aaf3e22b19bde2701d7dc4cebf86450f11f19af5541b0
SHA512

6affb0691b977345f3d32430e0bad3ffff8df7da66ca945c881da12da14cd2232f426325ab4abdf00c9d7dfa0ff0b73cc0e2b10a087453a2bd2366dd3038fabc
SSDEEP

384:k9IYMb7NNtGHyzwDfV4TZgpVE6NwXZYpNXbhsyGcHzjwSovwY:k9I1b7NNcyzwT1LEIwJYplGyGMX/ywY

Score

10^/10

discovery persistence

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\Shell = "explorer.exe,rundll32 shell32 Control_RunDLL \"syskb.cpl\""	b1cd8207580def50e96ad490366db703_JaffaCakes118.exe

Loads dropped DLL 2 IoCs

pid	Process
3532	b1cd8207580def50e96ad490366db703_JaffaCakes118.exe
3684	rundll32.exe

Drops file in System32 directory 3 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\verclsid.exe	b1cd8207580def50e96ad490366db703_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\syskb.cpl	b1cd8207580def50e96ad490366db703_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\verclsid.exe	b1cd8207580def50e96ad490366db703_JaffaCakes118.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\Windows\fonts\22c85fed.ttf	b1cd8207580def50e96ad490366db703_JaffaCakes118.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	b1cd8207580def50e96ad490366db703_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Modifies registry class 7 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{7B3AC3FA-B695-41b6-BAA0-860EB5EB6FD6}\{51CEAEDE-3DB6-480d-89AB-7334F3DE3095} = "22c85fed;1242317484;-146125240,855177482"	b1cd8207580def50e96ad490366db703_JaffaCakes118.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{AEB6717E-7E19-11d0-97EE-00C04FD91972}\InProcServer32	b1cd8207580def50e96ad490366db703_JaffaCakes118.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node	b1cd8207580def50e96ad490366db703_JaffaCakes118.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID	b1cd8207580def50e96ad490366db703_JaffaCakes118.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{AEB6717E-7E19-11d0-97EE-00C04FD91972}	b1cd8207580def50e96ad490366db703_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{AEB6717E-7E19-11d0-97EE-00C04FD91972}\InProcServer32\ = "syskb.cpl"	b1cd8207580def50e96ad490366db703_JaffaCakes118.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{7B3AC3FA-B695-41b6-BAA0-860EB5EB6FD6}	b1cd8207580def50e96ad490366db703_JaffaCakes118.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
3684	rundll32.exe
3684	rundll32.exe
3684	rundll32.exe
3684	rundll32.exe
3684	rundll32.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3532 wrote to memory of 3684	3532	b1cd8207580def50e96ad490366db703_JaffaCakes118.exe	84
PID 3532 wrote to memory of 3684	3532	b1cd8207580def50e96ad490366db703_JaffaCakes118.exe	84
PID 3532 wrote to memory of 3684	3532	b1cd8207580def50e96ad490366db703_JaffaCakes118.exe	84
PID 3532 wrote to memory of 3280	3532	b1cd8207580def50e96ad490366db703_JaffaCakes118.exe	97
PID 3532 wrote to memory of 3280	3532	b1cd8207580def50e96ad490366db703_JaffaCakes118.exe	97
PID 3532 wrote to memory of 3280	3532	b1cd8207580def50e96ad490366db703_JaffaCakes118.exe	97

C:\Users\Admin\AppData\Local\Temp\b1cd8207580def50e96ad490366db703_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\b1cd8207580def50e96ad490366db703_JaffaCakes118.exe"
1⤵
- Modifies WinLogon for persistence
- Loads dropped DLL
- Drops file in System32 directory
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:3532
- C:\Windows\SysWOW64\rundll32.exe
  rundll32 shell32 Control_RunDLL "syskb.cpl"
  2⤵
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  PID:3684
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c "C:\Users\Admin\AppData\Local\Temp\del10C4.tmp.bat"
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3280

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Winlogon Helper DLL

1

T1547.004

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Winlogon Helper DLL

1

T1547.004

Defense Evasion

Modify Registry

1

T1112

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

C:\Users\Admin\AppData\Local\Temp\del10C4.tmp.bat

Filesize
512B

MD5
ff22986f12916eac6f257a4afd59a656

SHA1
46cf394a21faf92afa9fb8352ae4616f3100e91c

SHA256
49c84c42436e29a7e12e919103e5d8e9f91ad18e7602ca701d07fe27d0a9bfd1

SHA512
527c3fa77373fb3187725f207ef3c791c4798315e5b1f704e297f7077a7f108a5885a7dc7defdb67b70a1af1b2cfe5e3efaa0cd6c30df5600f2da614b17ea9d0

Download Submit
C:\Windows\Fonts\22c85fed.ttf

Filesize
27KB

MD5
859cc585366725e93555b4d1d6287f31

SHA1
15e8da08fe5bf4e01822467495a8472f8a9defb9

SHA256
280c78226548753cee672ee9387fd7367f5907765b2e562e147bb826653d4ba6

SHA512
eb11977977f07abf70e14bd007673f1549a79cc3042fd08d81163298460dafb642529c9f94d513926e80fce0d0e6f77041472fb0417cab3f0b928530dbba4bfb

Download Submit
memory/3532-2-0x0000000010000000-0x0000000010009000-memory.dmp

Filesize
36KB

Download
memory/3684-11-0x0000000010000000-0x0000000010009000-memory.dmp

Filesize
36KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads