f372fb0b632468a45ded036be0b0641430c9ea2b09c9f5fc771b8c294d2b86bf

General

Target
jaffacakes118__9e6aac605f5a3cb89491e4a008b31b23.exe
Size 530KB
Sample260919-tp63catyfx
SHA256 f372fb0b632468a45ded036be0b0641430c9ea2b09c9f5fc771b8c294d2b86bf
MD5 9e6aac605f5a3cb89491e4a008b31b23
SHA1 578be8c5b4630ad3ee47db9a95440922c3af2065
SHA512 984cc6bd42d761dbf323bee2e306076b131cacffff7ede1fe7d6fe5a7321f8900de4a1609d98642863e1a95c9e8c9ea38454227fff1be93a660abba573543f9f
SSDEEP 12288:UsAL/W5L/SZdSCvTF+bDTqXTa7v5ouBsmtGnt8MI/90:UsW/WNSZ8CLGETEjunt8x/W
TLSH
T1B0B4231960D5EA99F9CFA931300269CA12D8B1DCC0BF77FC3953A72173A391989C8D5B
MD5 SHA1 SHA512 SSDEEP TLSH

Score

8^/10

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

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

Active Setup

Modify Registry

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{E7BF5481-8B9A-11D5-EBA1-F78EEEEEE983}	jaffacakes118__9e6aac605f5a3cb89491e4a008b31b23.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{E7BF5481-8B9A-11D5-EBA1-F78EEEEEE983}\StubPath = "msckk32.exe"	jaffacakes118__9e6aac605f5a3cb89491e4a008b31b23.exe

Modifies system executable filetype association 2 TTPs 1 IoCs

Modify Registry

Change Default File Association

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Windows\\SysWow64\\concp32.exe \"%1\" %*"	jaffacakes118__9e6aac605f5a3cb89491e4a008b31b23.exe

Adds Run key to start application 2 TTPs 2 IoCs

Registry Run Keys / Startup Folder

Modify Registry

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\VCL = "vcl32.exe"	jaffacakes118__9e6aac605f5a3cb89491e4a008b31b23.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4154726816-2055034831-2297277433-1000\Software\Microsoft\Windows\CurrentVersion\Run\VCL = "vcl32.exe"	jaffacakes118__9e6aac605f5a3cb89491e4a008b31b23.exe

Drops file in System32 directory 6 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\msckk32.exe	jaffacakes118__9e6aac605f5a3cb89491e4a008b31b23.exe
File opened for modification	C:\Windows\SysWOW64\msckk32.exe	jaffacakes118__9e6aac605f5a3cb89491e4a008b31b23.exe
File created	C:\Windows\SysWOW64\concp32.exe	jaffacakes118__9e6aac605f5a3cb89491e4a008b31b23.exe
File opened for modification	C:\Windows\SysWOW64\concp32.exe	jaffacakes118__9e6aac605f5a3cb89491e4a008b31b23.exe
File created	C:\Windows\SysWOW64\vcl32.exe	jaffacakes118__9e6aac605f5a3cb89491e4a008b31b23.exe
File opened for modification	C:\Windows\SysWOW64\vcl32.exe	jaffacakes118__9e6aac605f5a3cb89491e4a008b31b23.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3088	3248	WerFault.exe	89

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.

System Language Discovery

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	jaffacakes118__9e6aac605f5a3cb89491e4a008b31b23.exe

Modifies registry class 5 IoCs

description	ioc	Process
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{E7BF5481-8B9A-11D5-EBA1-F78EEEEEE983}\sm = ebb5525fa3bcf9422c8ff945977d6af9	jaffacakes118__9e6aac605f5a3cb89491e4a008b31b23.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{E7BF5481-8B9A-11D5-EBA1-F78EEEEEE983}\ax = 3072e548d1172b9d518fd040069b136a	jaffacakes118__9e6aac605f5a3cb89491e4a008b31b23.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Windows\\SysWow64\\concp32.exe \"%1\" %*"	jaffacakes118__9e6aac605f5a3cb89491e4a008b31b23.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{E7BF5481-8B9A-11D5-EBA1-F78EEEEEE983}	jaffacakes118__9e6aac605f5a3cb89491e4a008b31b23.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{E7BF5481-8B9A-11D5-EBA1-F78EEEEEE983}\InprocServer32	jaffacakes118__9e6aac605f5a3cb89491e4a008b31b23.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
3248	jaffacakes118__9e6aac605f5a3cb89491e4a008b31b23.exe

C:\Users\Admin\AppData\Local\Temp\jaffacakes118__9e6aac605f5a3cb89491e4a008b31b23.exe
"C:\Users\Admin\AppData\Local\Temp\jaffacakes118__9e6aac605f5a3cb89491e4a008b31b23.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
- System Location Discovery: System Language Discovery
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
PID:3248
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3248 -s 796
  2⤵
  - Program crash
  PID:3088