2cf948d90f2971e902a2294ae324a23ae1556644ed9ecd463bda41d6f9a7c2db

General

Target

d0255a0b4e468f709c8a8673a1d49035_JaffaCakes118.exe
Size

284KB
MD5

d0255a0b4e468f709c8a8673a1d49035
SHA1

2976712f82b93600921811f59f7cbea17a7a9601
SHA256

2cf948d90f2971e902a2294ae324a23ae1556644ed9ecd463bda41d6f9a7c2db
SHA512

00f93ffbf2ae10c4dfdf74ccc1771b539e0246215cd2805afaf7122eb644bb07a0cf7846dadcd93a7ca361d02f815f0ccbfbceb86fe045e122fac51c85ed6047
SSDEEP

3072:tXbmAgiyC6T8fGJKTtSBKVEHRuoj3Y1BywfD4uwStjAjTUKITcFUeCfx6CZMxqCo:36YLcBKiYfDRwStjgQLc6eBSqSOXoqQ

Score

8^/10

Malware Config

Signatures

Boot or Logon Autostart Execution: Port Monitors 1 TTPs 5 IoCs

Adversaries may use port monitors to run an adversary supplied DLL during system boot for persistence or privilege escalation.

persistence

Port Monitors

T1547.010

Processes:

spoolsv.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\Print\Monitors\Local Port	spoolsv.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\Print\Monitors\Microsoft Shared Fax Monitor	spoolsv.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\Print\Monitors\Standard TCP/IP Port	spoolsv.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\Print\Monitors\Standard TCP/IP Port\Ports	spoolsv.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\Print\Monitors\WSD Port	spoolsv.exe

Loads dropped DLL 5 IoCs

Processes:

d0255a0b4e468f709c8a8673a1d49035_JaffaCakes118.exe

pid	process
2544	d0255a0b4e468f709c8a8673a1d49035_JaffaCakes118.exe
2544	d0255a0b4e468f709c8a8673a1d49035_JaffaCakes118.exe
2544	d0255a0b4e468f709c8a8673a1d49035_JaffaCakes118.exe
2544	d0255a0b4e468f709c8a8673a1d49035_JaffaCakes118.exe
2544	d0255a0b4e468f709c8a8673a1d49035_JaffaCakes118.exe

Drops file in System32 directory 7 IoCs

Processes:

d0255a0b4e468f709c8a8673a1d49035_JaffaCakes118.exe

description	ioc	process
File opened for modification	C:\Windows\SysWOW64\RCXE31F.tmp	d0255a0b4e468f709c8a8673a1d49035_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\inetpp.dll	d0255a0b4e468f709c8a8673a1d49035_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\vywpxiz.dll	d0255a0b4e468f709c8a8673a1d49035_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\vywpxiz.dll	d0255a0b4e468f709c8a8673a1d49035_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\RCXE61E.tmp	d0255a0b4e468f709c8a8673a1d49035_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\mshtml.dll	d0255a0b4e468f709c8a8673a1d49035_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\inetppu.dll	d0255a0b4e468f709c8a8673a1d49035_JaffaCakes118.exe

Drops file in Program Files directory 8 IoCs

Processes:

d0255a0b4e468f709c8a8673a1d49035_JaffaCakes118.exe

description	ioc	process
File opened for modification	C:\Program Files (x86)\Internet Explorer\DiagnosticsTapex.dll	d0255a0b4e468f709c8a8673a1d49035_JaffaCakes118.exe
File created	C:\Program Files (x86)\Internet Explorer\D3DCompiler_47ex.dll	d0255a0b4e468f709c8a8673a1d49035_JaffaCakes118.exe
File opened for modification	C:\Program Files (x86)\Internet Explorer\D3DCompiler_47ex.dll	d0255a0b4e468f709c8a8673a1d49035_JaffaCakes118.exe
File opened for modification	C:\Program Files (x86)\Internet Explorer\D3DCompiler_47.dll	d0255a0b4e468f709c8a8673a1d49035_JaffaCakes118.exe
File created	C:\Program Files (x86)\Windows Media Player\mpvisnt.dll	d0255a0b4e468f709c8a8673a1d49035_JaffaCakes118.exe
File opened for modification	C:\Program Files (x86)\Windows Media Player\mpvisnt.dll	d0255a0b4e468f709c8a8673a1d49035_JaffaCakes118.exe
File created	C:\Program Files (x86)\Internet Explorer\DiagnosticsTapex.dll	d0255a0b4e468f709c8a8673a1d49035_JaffaCakes118.exe
File opened for modification	C:\Program Files (x86)\Windows Media Player\mpvis.DLL	d0255a0b4e468f709c8a8673a1d49035_JaffaCakes118.exe

System Location Discovery: System Language Discovery 1 TTPs 1 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

Processes:

d0255a0b4e468f709c8a8673a1d49035_JaffaCakes118.exe

description ioc process

Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language d0255a0b4e468f709c8a8673a1d49035_JaffaCakes118.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	d0255a0b4e468f709c8a8673a1d49035_JaffaCakes118.exe

Modifies data under HKEY_USERS 14 IoCs

Processes:

spoolsv.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-20\Software\Microsoft\Windows NT\CurrentVersion\Devices\Fax = "winspool,Ne01:"	spoolsv.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\Software\Microsoft\Windows NT\CurrentVersion\Devices\Microsoft XPS Document Writer = "winspool,Ne00:"	spoolsv.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows NT\CurrentVersion\Devices	spoolsv.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows NT\CurrentVersion\PrinterPorts	spoolsv.exe
Set value (str)	\REGISTRY\USER\S-1-5-19\Software\Microsoft\Windows NT\CurrentVersion\Devices\Microsoft XPS Document Writer = "winspool,Ne00:"	spoolsv.exe
Set value (str)	\REGISTRY\USER\S-1-5-19\Software\Microsoft\Windows NT\CurrentVersion\PrinterPorts\Microsoft XPS Document Writer = "winspool,Ne00:,15,45"	spoolsv.exe
Set value (str)	\REGISTRY\USER\S-1-5-19\Software\Microsoft\Windows NT\CurrentVersion\Devices\Fax = "winspool,Ne01:"	spoolsv.exe
Set value (str)	\REGISTRY\USER\S-1-5-19\Software\Microsoft\Windows NT\CurrentVersion\PrinterPorts\Fax = "winspool,Ne01:,15,45"	spoolsv.exe
Key created	\REGISTRY\USER\S-1-5-19\Software\Microsoft\Windows NT\CurrentVersion\Devices	spoolsv.exe
Key created	\REGISTRY\USER\S-1-5-19\Software\Microsoft\Windows NT\CurrentVersion\PrinterPorts	spoolsv.exe
Key created	\REGISTRY\USER\S-1-5-20\Software\Microsoft\Windows NT\CurrentVersion\Devices	spoolsv.exe
Key created	\REGISTRY\USER\S-1-5-20\Software\Microsoft\Windows NT\CurrentVersion\PrinterPorts	spoolsv.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\Software\Microsoft\Windows NT\CurrentVersion\PrinterPorts\Microsoft XPS Document Writer = "winspool,Ne00:,15,45"	spoolsv.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\Software\Microsoft\Windows NT\CurrentVersion\PrinterPorts\Fax = "winspool,Ne01:,15,45"	spoolsv.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

Processes:

d0255a0b4e468f709c8a8673a1d49035_JaffaCakes118.exe

pid	process
2544	d0255a0b4e468f709c8a8673a1d49035_JaffaCakes118.exe
2544	d0255a0b4e468f709c8a8673a1d49035_JaffaCakes118.exe
2544	d0255a0b4e468f709c8a8673a1d49035_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 8 IoCs

Processes:

d0255a0b4e468f709c8a8673a1d49035_JaffaCakes118.exespoolsv.exe

description	pid	process
Token: SeDebugPrivilege	2544	d0255a0b4e468f709c8a8673a1d49035_JaffaCakes118.exe
Token: SeRestorePrivilege	2880	spoolsv.exe
Token: SeRestorePrivilege	2880	spoolsv.exe
Token: SeRestorePrivilege	2880	spoolsv.exe
Token: SeRestorePrivilege	2880	spoolsv.exe
Token: SeRestorePrivilege	2880	spoolsv.exe
Token: SeRestorePrivilege	2880	spoolsv.exe
Token: SeRestorePrivilege	2880	spoolsv.exe

C:\Users\Admin\AppData\Local\Temp\d0255a0b4e468f709c8a8673a1d49035_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\d0255a0b4e468f709c8a8673a1d49035_JaffaCakes118.exe"
1⤵
- Loads dropped DLL
- Drops file in System32 directory
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2544

C:\Windows\System32\rundll32.exe
C:\Windows\System32\rundll32.exe shell32.dll,SHCreateLocalServerRunDll {995C996E-D918-4a8c-A302-45719A6F4EA7} -Embedding
1⤵
PID:2796

C:\Windows\System32\spoolsv.exe
C:\Windows\System32\spoolsv.exe
1⤵
- Boot or Logon Autostart Execution: Port Monitors
- Modifies data under HKEY_USERS
- Suspicious use of AdjustPrivilegeToken
PID:2880

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Port Monitors

1

T1547.010

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Port Monitors

1

T1547.010

Defense Evasion

Credential Access

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

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Downloads

\Program Files (x86)\Internet Explorer\D3DCompiler_47ex.dll
Filesize
212KB

MD5
555bd7c36b548e940cadcde41aee8674

SHA1
c362cacd159529e3df11340a971d56eb8909c217

SHA256
c22598023f2540b9bc8775be392c1e71fb2d1b4bb59a3ce9e451cb01a68a5963

SHA512
97e4034efce89d43cdd11a30801ad3d04881fb4e67953b09410a2c6b74c25b4356f6316db8be1591aa1fec06927232c35ca66ae61453a07ac06a8e4a91da2735

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

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Downloads