03ca3ddb2b11ffac8cbb53e6fbc95402fa02a7d32770df247edbdfb29a0ca8d1

Analysis

max time kernel
168s
max time network
180s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
06/11/2022, 10:48

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

03ca3ddb2b11ffac8cbb53e6fbc95402fa02a7d32770df247edbdfb29a0ca8d1.exe
Size

370KB
MD5

1172d7fd65dfba09a4edbe772447a691
SHA1

aa0b593c5427b3c11c11998c7cd213c685f73b16
SHA256

03ca3ddb2b11ffac8cbb53e6fbc95402fa02a7d32770df247edbdfb29a0ca8d1
SHA512

941ae9cba77efa3633a9ae3d01cd2e112e7142e7a24ca83de1448eb67c164d70956d65845b8c3690a059092fabfe9c193b129ecd85f75b0476a2ad2515b9c014
SSDEEP

6144:MRAhhJxX7bNIAROzTuaPUD8XRuf0b4mtoZoLwQftkv2d5dJQgjBxsfa50xSL3bBJ:UsAAPaPUD18t2o0Q8yqgjBxsCcE3n

Score

10^/10

persistence

Malware Config

Signatures

Modifies system executable filetype association 2 TTPs 1 IoCs

persistence

Modify Registry

T1112

Change Default File Association

T1042

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Windows\\SysWow64\\concp32.exe \"%1\" %*"	03ca3ddb2b11ffac8cbb53e6fbc95402fa02a7d32770df247edbdfb29a0ca8d1.exe

Modifies Installed Components in the registry 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{42D1D37A-8B9A-11D5-EBA1-F78EEEEEE983}	03ca3ddb2b11ffac8cbb53e6fbc95402fa02a7d32770df247edbdfb29a0ca8d1.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{42D1D37A-8B9A-11D5-EBA1-F78EEEEEE983}\StubPath = "msqui32.exe"	03ca3ddb2b11ffac8cbb53e6fbc95402fa02a7d32770df247edbdfb29a0ca8d1.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\VCL = "vcl32.exe"	03ca3ddb2b11ffac8cbb53e6fbc95402fa02a7d32770df247edbdfb29a0ca8d1.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\VCL = "vcl32.exe"	03ca3ddb2b11ffac8cbb53e6fbc95402fa02a7d32770df247edbdfb29a0ca8d1.exe

Drops file in System32 directory 6 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\msqui32.exe	03ca3ddb2b11ffac8cbb53e6fbc95402fa02a7d32770df247edbdfb29a0ca8d1.exe
File opened for modification	C:\Windows\SysWOW64\msqui32.exe	03ca3ddb2b11ffac8cbb53e6fbc95402fa02a7d32770df247edbdfb29a0ca8d1.exe
File created	C:\Windows\SysWOW64\concp32.exe	03ca3ddb2b11ffac8cbb53e6fbc95402fa02a7d32770df247edbdfb29a0ca8d1.exe
File opened for modification	C:\Windows\SysWOW64\concp32.exe	03ca3ddb2b11ffac8cbb53e6fbc95402fa02a7d32770df247edbdfb29a0ca8d1.exe
File created	C:\Windows\SysWOW64\vcl32.exe	03ca3ddb2b11ffac8cbb53e6fbc95402fa02a7d32770df247edbdfb29a0ca8d1.exe
File opened for modification	C:\Windows\SysWOW64\vcl32.exe	03ca3ddb2b11ffac8cbb53e6fbc95402fa02a7d32770df247edbdfb29a0ca8d1.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4916	2552	WerFault.exe	75

Modifies registry class 5 IoCs

description	ioc	Process
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{42D1D37A-8B9A-11D5-EBA1-F78EEEEEE983}\sm = ebb5525fa3bcf9422c8ff945977d6af9	03ca3ddb2b11ffac8cbb53e6fbc95402fa02a7d32770df247edbdfb29a0ca8d1.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{42D1D37A-8B9A-11D5-EBA1-F78EEEEEE983}\ax = 0399310e98be584541c5b4002611bbc4	03ca3ddb2b11ffac8cbb53e6fbc95402fa02a7d32770df247edbdfb29a0ca8d1.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Windows\\SysWow64\\concp32.exe \"%1\" %*"	03ca3ddb2b11ffac8cbb53e6fbc95402fa02a7d32770df247edbdfb29a0ca8d1.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{42D1D37A-8B9A-11D5-EBA1-F78EEEEEE983}	03ca3ddb2b11ffac8cbb53e6fbc95402fa02a7d32770df247edbdfb29a0ca8d1.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{42D1D37A-8B9A-11D5-EBA1-F78EEEEEE983}\InprocServer32	03ca3ddb2b11ffac8cbb53e6fbc95402fa02a7d32770df247edbdfb29a0ca8d1.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2552	03ca3ddb2b11ffac8cbb53e6fbc95402fa02a7d32770df247edbdfb29a0ca8d1.exe

C:\Users\Admin\AppData\Local\Temp\03ca3ddb2b11ffac8cbb53e6fbc95402fa02a7d32770df247edbdfb29a0ca8d1.exe
"C:\Users\Admin\AppData\Local\Temp\03ca3ddb2b11ffac8cbb53e6fbc95402fa02a7d32770df247edbdfb29a0ca8d1.exe"
1⤵
- Modifies system executable filetype association
- Modifies Installed Components in the registry
- Adds Run key to start application
- Drops file in System32 directory
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
PID:2552
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2552 -s 716
  2⤵
  - Program crash
  PID:4916

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 2552 -ip 2552
1⤵
PID:4512

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Change Default File Association

T1042

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

memory/2552-132-0x0000000000400000-0x0000000000435000-memory.dmp

Filesize
212KB

Download