fa3f755e8c520ce8b29df9dbf21266b5482f06ab4b72008031c5ffb10bd15e40

General

Target

3a730940d2b08a0bf4e9fa2714cbbff8_JaffaCakes118.exe
Size

144KB
MD5

3a730940d2b08a0bf4e9fa2714cbbff8
SHA1

f4413f8d3c44c1b4c41b2df7ddc3414402537924
SHA256

fa3f755e8c520ce8b29df9dbf21266b5482f06ab4b72008031c5ffb10bd15e40
SHA512

9a8c3238eaca0699e2c97524b17e3caf814cbd782e07bac91ac106f948718993e5ad35bc8e1996b4384ad5825d57719da8d84e4d50406edaa2ce5c3c047eab78
SSDEEP

3072:MRAhhcsxgAJuK7bZD01GoI0ONtNmlngmx5MO0xiIk:MRAhhJxX7bNIFlxt

Score

8^/10

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\{29734BFD-8B9A-11D5-EBA1-F78EEEEEE983}	spoolsv.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{29734BFD-8B9A-11D5-EBA1-F78EEEEEE983}\StubPath = "mstlv32.exe"	spoolsv.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{29734BFD-8B9A-11D5-EBA1-F78EEEEEE983}	3a730940d2b08a0bf4e9fa2714cbbff8_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{29734BFD-8B9A-11D5-EBA1-F78EEEEEE983}\StubPath = "mstlv32.exe"	3a730940d2b08a0bf4e9fa2714cbbff8_JaffaCakes118.exe

Executes dropped EXE 1 IoCs

pid	Process
3008	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\" %*"	3a730940d2b08a0bf4e9fa2714cbbff8_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\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\VCL = "vcl32.exe"	3a730940d2b08a0bf4e9fa2714cbbff8_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2958949473-3205530200-1453100116-1000\Software\Microsoft\Windows\CurrentVersion\Run\VCL = "vcl32.exe"	3a730940d2b08a0bf4e9fa2714cbbff8_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\VCL = "vcl32.exe"	spoolsv.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2958949473-3205530200-1453100116-1000\Software\Microsoft\Windows\CurrentVersion\Run\VCL = "vcl32.exe"	spoolsv.exe

Drops file in System32 directory 6 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\vcl32.exe	3a730940d2b08a0bf4e9fa2714cbbff8_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\vcl32.exe	3a730940d2b08a0bf4e9fa2714cbbff8_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\mstlv32.exe	3a730940d2b08a0bf4e9fa2714cbbff8_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\mstlv32.exe	3a730940d2b08a0bf4e9fa2714cbbff8_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\concp32.exe	3a730940d2b08a0bf4e9fa2714cbbff8_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\concp32.exe	3a730940d2b08a0bf4e9fa2714cbbff8_JaffaCakes118.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\spoolsv.exe	3a730940d2b08a0bf4e9fa2714cbbff8_JaffaCakes118.exe
File opened for modification	C:\Windows\spoolsv.exe	3a730940d2b08a0bf4e9fa2714cbbff8_JaffaCakes118.exe

Modifies registry class 12 IoCs

description	ioc	Process
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{29734BFD-8B9A-11D5-EBA1-F78EEEEEE983}\u0 = 658663d26f8bad325217a06063847056939f558d910ed252e05dd0113550f7fc0f4da82ff73a0681ba604c2d4f23269f	spoolsv.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{29734BFD-8B9A-11D5-EBA1-F78EEEEEE983}\u1 = 551d2e0658054ba756fd3798fea5ffca42865cb762a31639dabd7f2cca44e226	spoolsv.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{29734BFD-8B9A-11D5-EBA1-F78EEEEEE983}\u2 = a54a6b702f92fdf2acd57599e2ae1608015dff41aa020117fc9bd8e2dcf4340f3fa61eb55d6f28597df90602703809d4	spoolsv.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{29734BFD-8B9A-11D5-EBA1-F78EEEEEE983}\v = "165"	spoolsv.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Windows\\SysWow64\\concp32.exe \"%1\" %*"	spoolsv.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{29734BFD-8B9A-11D5-EBA1-F78EEEEEE983}\InprocServer32	3a730940d2b08a0bf4e9fa2714cbbff8_JaffaCakes118.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{29734BFD-8B9A-11D5-EBA1-F78EEEEEE983}\sm = 01b8ec350471bd332433eee476ebe1f3	3a730940d2b08a0bf4e9fa2714cbbff8_JaffaCakes118.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{29734BFD-8B9A-11D5-EBA1-F78EEEEEE983}\ax = 2d6e2cbf6b5ca61ca31840baee4936cf	3a730940d2b08a0bf4e9fa2714cbbff8_JaffaCakes118.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{29734BFD-8B9A-11D5-EBA1-F78EEEEEE983}\InprocServer32	spoolsv.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{29734BFD-8B9A-11D5-EBA1-F78EEEEEE983}	3a730940d2b08a0bf4e9fa2714cbbff8_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Windows\\SysWow64\\concp32.exe \"%1\" %*"	3a730940d2b08a0bf4e9fa2714cbbff8_JaffaCakes118.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{29734BFD-8B9A-11D5-EBA1-F78EEEEEE983}	spoolsv.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2684	3a730940d2b08a0bf4e9fa2714cbbff8_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2684 wrote to memory of 3008	2684	3a730940d2b08a0bf4e9fa2714cbbff8_JaffaCakes118.exe	30
PID 2684 wrote to memory of 3008	2684	3a730940d2b08a0bf4e9fa2714cbbff8_JaffaCakes118.exe	30
PID 2684 wrote to memory of 3008	2684	3a730940d2b08a0bf4e9fa2714cbbff8_JaffaCakes118.exe	30
PID 2684 wrote to memory of 3008	2684	3a730940d2b08a0bf4e9fa2714cbbff8_JaffaCakes118.exe	30

C:\Users\Admin\AppData\Local\Temp\3a730940d2b08a0bf4e9fa2714cbbff8_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\3a730940d2b08a0bf4e9fa2714cbbff8_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
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2684
- 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
  - Modifies registry class
  PID:3008

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Windows\SysWOW64\concp32.exe

Filesize
152KB

MD5
2a82b987d2fe7ba9cafd4f499def4956

SHA1
70681d91d4dd90d0db342060be142c9a7adf664a

SHA256
c0c380e0bb2e1e1c81ca0084db59d8d47d6d5a32aa9d39f547972b14e02a71bf

SHA512
5979c32de5c750b55a5d4e184452567de82963b4bf3b4a658cef743e9c07cdb90e492795a6074315ee27b238b4531319d977c604d85ce73936969f12f87897fb

Download Submit
C:\Windows\spoolsv.exe

Filesize
145KB

MD5
577eea2a663a340c142f2503d847c980

SHA1
8631a362e9f72b1896bcc71908989cdff7c4a969

SHA256
dc8a17284b7f3f59a7cba096f75781577a2643f1d22b86a5327fe7899d45066e

SHA512
a6e71913d02b6ccbea4935a0d4045bf29bb6929dd37da8f57476eb95a5cf21087c2db9063ba8bedf40fa14cbae55c4cec26c56c420b1f9f5ad148c02cae80cc3

Download Submit
memory/2684-0-0x0000000000400000-0x0000000000435000-memory.dmp

Filesize
212KB

Download
memory/2684-14-0x0000000000400000-0x0000000000435000-memory.dmp

Filesize
212KB

Download
memory/3008-15-0x0000000000400000-0x0000000000435000-memory.dmp

Filesize
212KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads