e4ba2435b3501d1874859d8d50f57a091af7fa125c884c87a07c7f46cb8d9778

Analysis

max time kernel
205s
max time network
211s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
20/10/2022, 00:50

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General

Target

e4ba2435b3501d1874859d8d50f57a091af7fa125c884c87a07c7f46cb8d9778.exe
Size

459KB
MD5

a21faf3094052f39aca44330f28bf5eb
SHA1

5c1c71711851e076abb42c86b573aa938db4ef11
SHA256

e4ba2435b3501d1874859d8d50f57a091af7fa125c884c87a07c7f46cb8d9778
SHA512

80bb80fcbaed1f1a959cb32213a03c39924e8b431e7978f74cd1ca35a77d0dd9847ee0a3e5aacb5cc732e613a1c2bd4cb63cbdda517679dcc293f1926578ae5e
SSDEEP

6144:MRAhhJxX7bNIKTQEgjXF6BkpbKlTW7O46/03/psg8h8POuUdk+Rqla8ekUhVoqxw:UsAL4kpbKlTWr6wRsg8h8TYdRyPdW+

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\" %*"	e4ba2435b3501d1874859d8d50f57a091af7fa125c884c87a07c7f46cb8d9778.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\{AFB9F961-8B9A-11D5-EBA1-F78EEEEEE983}	e4ba2435b3501d1874859d8d50f57a091af7fa125c884c87a07c7f46cb8d9778.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{AFB9F961-8B9A-11D5-EBA1-F78EEEEEE983}\StubPath = "msfkh32.exe"	e4ba2435b3501d1874859d8d50f57a091af7fa125c884c87a07c7f46cb8d9778.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"	e4ba2435b3501d1874859d8d50f57a091af7fa125c884c87a07c7f46cb8d9778.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\VCL = "vcl32.exe"	e4ba2435b3501d1874859d8d50f57a091af7fa125c884c87a07c7f46cb8d9778.exe

Drops file in System32 directory 6 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\msfkh32.exe	e4ba2435b3501d1874859d8d50f57a091af7fa125c884c87a07c7f46cb8d9778.exe
File opened for modification	C:\Windows\SysWOW64\msfkh32.exe	e4ba2435b3501d1874859d8d50f57a091af7fa125c884c87a07c7f46cb8d9778.exe
File created	C:\Windows\SysWOW64\concp32.exe	e4ba2435b3501d1874859d8d50f57a091af7fa125c884c87a07c7f46cb8d9778.exe
File opened for modification	C:\Windows\SysWOW64\concp32.exe	e4ba2435b3501d1874859d8d50f57a091af7fa125c884c87a07c7f46cb8d9778.exe
File created	C:\Windows\SysWOW64\vcl32.exe	e4ba2435b3501d1874859d8d50f57a091af7fa125c884c87a07c7f46cb8d9778.exe
File opened for modification	C:\Windows\SysWOW64\vcl32.exe	e4ba2435b3501d1874859d8d50f57a091af7fa125c884c87a07c7f46cb8d9778.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4120	1052	WerFault.exe	80

Modifies registry class 5 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{AFB9F961-8B9A-11D5-EBA1-F78EEEEEE983}\InprocServer32	e4ba2435b3501d1874859d8d50f57a091af7fa125c884c87a07c7f46cb8d9778.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{AFB9F961-8B9A-11D5-EBA1-F78EEEEEE983}\sm = 01b8ec350471bd332433eee476ebe1f3	e4ba2435b3501d1874859d8d50f57a091af7fa125c884c87a07c7f46cb8d9778.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{AFB9F961-8B9A-11D5-EBA1-F78EEEEEE983}\ax = bdbb4e754bdf113cec71116a3280cde1	e4ba2435b3501d1874859d8d50f57a091af7fa125c884c87a07c7f46cb8d9778.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Windows\\SysWow64\\concp32.exe \"%1\" %*"	e4ba2435b3501d1874859d8d50f57a091af7fa125c884c87a07c7f46cb8d9778.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{AFB9F961-8B9A-11D5-EBA1-F78EEEEEE983}	e4ba2435b3501d1874859d8d50f57a091af7fa125c884c87a07c7f46cb8d9778.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
1052	e4ba2435b3501d1874859d8d50f57a091af7fa125c884c87a07c7f46cb8d9778.exe

C:\Users\Admin\AppData\Local\Temp\e4ba2435b3501d1874859d8d50f57a091af7fa125c884c87a07c7f46cb8d9778.exe
"C:\Users\Admin\AppData\Local\Temp\e4ba2435b3501d1874859d8d50f57a091af7fa125c884c87a07c7f46cb8d9778.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:1052
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1052 -s 764
  2⤵
  - Program crash
  PID:4120

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 376 -p 1052 -ip 1052
1⤵
PID:4916

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

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Downloads

memory/1052-132-0x0000000000400000-0x0000000000435000-memory.dmp

Filesize
212KB

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memory/1052-133-0x0000000000400000-0x0000000000435000-memory.dmp

Filesize
212KB

Download