36a2f7a1b6b38b6c91d3322ceeac5e7d8ca2a89d62b21bd06900588b56bbd2ad

General

Target

71f670824c56efb2297bbf0d95c7e91e_JaffaCakes118.exe
Size

194KB
MD5

71f670824c56efb2297bbf0d95c7e91e
SHA1

040ecaf853f85e89eff94ee11f3af2054e7da482
SHA256

36a2f7a1b6b38b6c91d3322ceeac5e7d8ca2a89d62b21bd06900588b56bbd2ad
SHA512

0be14934d37a0b010820d8697f05bb192d1f87dc7b3c700275bf4b78132a6085a36a5514fb323bc3fc1886395fcc8a52fe25fbd6b7e79fd40631ce4a1ea2a950
SSDEEP

3072:MRAhhcsxgAJuK7bZD01GoI0ONtNmlngmx5MO0xiUeazy1aGYu6EP95dE:MRAhhJxX7bNIFlxUea2Uu6O9U

Score

8^/10

discovery persistence

Malware Config

Signatures

Boot or Logon Autostart Execution: Active Setup 2 TTPs 4 IoCs

Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.

persistence

Active Setup

T1547.014

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{A69A7709-8B9A-11D5-EBA1-F78EEEEEE983}	71f670824c56efb2297bbf0d95c7e91e_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{A69A7709-8B9A-11D5-EBA1-F78EEEEEE983}\StubPath = "msrnu32.exe"	71f670824c56efb2297bbf0d95c7e91e_JaffaCakes118.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{A69A7709-8B9A-11D5-EBA1-F78EEEEEE983}	spoolsv.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{A69A7709-8B9A-11D5-EBA1-F78EEEEEE983}\StubPath = "msrnu32.exe"	spoolsv.exe

Executes dropped EXE 1 IoCs

pid	Process
576	spoolsv.exe

Modifies system executable filetype association 2 TTPs 2 IoCs

persistence

Modify Registry

T1112

Change Default File Association

T1546.001

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Windows\\SysWow64\\concp32.exe \"%1\" %*"	71f670824c56efb2297bbf0d95c7e91e_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Windows\\SysWow64\\concp32.exe \"%1\" %*"	spoolsv.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-1-5-21-3434294380-2554721341-1919518612-1000\Software\Microsoft\Windows\CurrentVersion\Run\VCL = "vcl32.exe"	71f670824c56efb2297bbf0d95c7e91e_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\VCL = "vcl32.exe"	spoolsv.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3434294380-2554721341-1919518612-1000\Software\Microsoft\Windows\CurrentVersion\Run\VCL = "vcl32.exe"	spoolsv.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\VCL = "vcl32.exe"	71f670824c56efb2297bbf0d95c7e91e_JaffaCakes118.exe

Drops file in System32 directory 6 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\vcl32.exe	71f670824c56efb2297bbf0d95c7e91e_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\msrnu32.exe	71f670824c56efb2297bbf0d95c7e91e_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\msrnu32.exe	71f670824c56efb2297bbf0d95c7e91e_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\concp32.exe	71f670824c56efb2297bbf0d95c7e91e_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\concp32.exe	71f670824c56efb2297bbf0d95c7e91e_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\vcl32.exe	71f670824c56efb2297bbf0d95c7e91e_JaffaCakes118.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\spoolsv.exe	71f670824c56efb2297bbf0d95c7e91e_JaffaCakes118.exe
File opened for modification	C:\Windows\spoolsv.exe	71f670824c56efb2297bbf0d95c7e91e_JaffaCakes118.exe

System Location Discovery: System Language Discovery 1 TTPs 2 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	71f670824c56efb2297bbf0d95c7e91e_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	spoolsv.exe

Modifies registry class 12 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{A69A7709-8B9A-11D5-EBA1-F78EEEEEE983}\InprocServer32	spoolsv.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{A69A7709-8B9A-11D5-EBA1-F78EEEEEE983}\InprocServer32	71f670824c56efb2297bbf0d95c7e91e_JaffaCakes118.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{A69A7709-8B9A-11D5-EBA1-F78EEEEEE983}\sm = 01b8ec350471bd332433eee476ebe1f3	71f670824c56efb2297bbf0d95c7e91e_JaffaCakes118.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{A69A7709-8B9A-11D5-EBA1-F78EEEEEE983}\ax = 2c4739079b94ce484684cf4ceede66ea	71f670824c56efb2297bbf0d95c7e91e_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Windows\\SysWow64\\concp32.exe \"%1\" %*"	71f670824c56efb2297bbf0d95c7e91e_JaffaCakes118.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{A69A7709-8B9A-11D5-EBA1-F78EEEEEE983}	spoolsv.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{A69A7709-8B9A-11D5-EBA1-F78EEEEEE983}\u0 = 658663d26f8bad325217a06063847056939f558d910ed252e05dd0113550f7fc0f4da82ff73a0681ba604c2d4f23269f	spoolsv.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{A69A7709-8B9A-11D5-EBA1-F78EEEEEE983}\u1 = 551d2e0658054ba756fd3798fea5ffca42865cb762a31639dabd7f2cca44e226	spoolsv.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{A69A7709-8B9A-11D5-EBA1-F78EEEEEE983}\u2 = a54a6b702f92fdf2acd57599e2ae1608015dff41aa020117fc9bd8e2dcf4340f3fa61eb55d6f28597df90602703809d4	spoolsv.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{A69A7709-8B9A-11D5-EBA1-F78EEEEEE983}	71f670824c56efb2297bbf0d95c7e91e_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Windows\\SysWow64\\concp32.exe \"%1\" %*"	spoolsv.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{A69A7709-8B9A-11D5-EBA1-F78EEEEEE983}\v = "165"	spoolsv.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
1672	71f670824c56efb2297bbf0d95c7e91e_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1672 wrote to memory of 576	1672	71f670824c56efb2297bbf0d95c7e91e_JaffaCakes118.exe	31
PID 1672 wrote to memory of 576	1672	71f670824c56efb2297bbf0d95c7e91e_JaffaCakes118.exe	31
PID 1672 wrote to memory of 576	1672	71f670824c56efb2297bbf0d95c7e91e_JaffaCakes118.exe	31
PID 1672 wrote to memory of 576	1672	71f670824c56efb2297bbf0d95c7e91e_JaffaCakes118.exe	31

C:\Users\Admin\AppData\Local\Temp\71f670824c56efb2297bbf0d95c7e91e_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\71f670824c56efb2297bbf0d95c7e91e_JaffaCakes118.exe"
1⤵
- Boot or Logon Autostart Execution: Active Setup
- Modifies system executable filetype association
- Adds Run key to start application
- Drops file in System32 directory
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1672
- C:\Windows\spoolsv.exe
  C:\Windows\spoolsv.exe
  2⤵
  - Boot or Logon Autostart Execution: Active Setup
  - Executes dropped EXE
  - Modifies system executable filetype association
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Modifies registry class
  PID:576

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

2

T1547

Active Setup

1

T1547.014

Registry Run Keys / Startup Folder

1

T1547.001

Event Triggered Execution

1

T1546

Change Default File Association

1

T1546.001

Privilege Escalation

Boot or Logon Autostart Execution

2

T1547

Active Setup

1

T1547.014

Registry Run Keys / Startup Folder

1

T1547.001

Event Triggered Execution

1

T1546

Change Default File Association

1

T1546.001

Defense Evasion

Modify Registry

3

T1112

Credential Access

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Windows\SysWOW64\concp32.exe

Filesize
197KB

MD5
3ef204bca38070c0742e9a9bc90156ea

SHA1
38b4219d066e35a09a5a78037e4b5e670dc13827

SHA256
e2e4933c8d8d3d9c33ddae05a5942848ced5eb06688c733189ca362b19917d73

SHA512
df98072c34fddefabbf713e98ba9f6390f2d6327f4d74bafd0a7f01f06949a93cc34436d073ad032c8ab2a7c6dda0d2b7dbdb10c79a35f5230d618946a664396

Download Submit
C:\Windows\spoolsv.exe

Filesize
199KB

MD5
2a537a99ae067529e10ebeb7b9526bec

SHA1
b9409fcdc455bae8969123a149fca9ce2a2c26a6

SHA256
61a1375223366f8a8b475226922eb3a12341d2afd017925b1fc7b62d8b408ecf

SHA512
8710b57592e925fe60a9f2de8e9a32bb0415370b2f7f6b314574ca7d3d1017b53f33745e2d74e8f64cdba6ce174ab525f7a30362fa104c7838f8109852febb81

Download Submit
memory/576-15-0x0000000000400000-0x0000000000435000-memory.dmp

Filesize
212KB

Download
memory/1672-0-0x0000000000400000-0x0000000000435000-memory.dmp

Filesize
212KB

Download
memory/1672-14-0x0000000000400000-0x0000000000435000-memory.dmp

Filesize
212KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads