fb0bcec1bfce6a47cee5b28fe90909bc0addb61acc3b2a2737e343310000dea6

Analysis

max time kernel
90s
max time network
155s
platform
windows10-2004_x64
resource
win10v2004-20220901-en
resource tags

arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
submitted
06/11/2022, 10:45

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General

Target

fb0bcec1bfce6a47cee5b28fe90909bc0addb61acc3b2a2737e343310000dea6.exe
Size

405KB
MD5

23679b362206c3b8dcff679e4bb98c60
SHA1

c87373f290d2dd8651f5419b1e227ac14d32dff8
SHA256

fb0bcec1bfce6a47cee5b28fe90909bc0addb61acc3b2a2737e343310000dea6
SHA512

3baba7de02547ea64eb97328259fde187e101365a26c49230f1e9828bf27ccf8f6a3e7be700a239663ea6dc508d8f2d7f5438432e021f7f643aaeb95852a2612
SSDEEP

6144:NtKe6YiDdv3m3mgKHIl7bNIFlJYe5hhbc9FTPweUKub9CSkipcYMSmfQs541DgIb:NtKe6Zv23Yd1pbaUKub9DkccYMLQsaf

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\" %*"	fb0bcec1bfce6a47cee5b28fe90909bc0addb61acc3b2a2737e343310000dea6.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\{2E9B1072-8B9A-11D5-EBA1-F78EEEEEE983}	fb0bcec1bfce6a47cee5b28fe90909bc0addb61acc3b2a2737e343310000dea6.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{2E9B1072-8B9A-11D5-EBA1-F78EEEEEE983}\StubPath = "msees32.exe"	fb0bcec1bfce6a47cee5b28fe90909bc0addb61acc3b2a2737e343310000dea6.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"	fb0bcec1bfce6a47cee5b28fe90909bc0addb61acc3b2a2737e343310000dea6.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\VCL = "vcl32.exe"	fb0bcec1bfce6a47cee5b28fe90909bc0addb61acc3b2a2737e343310000dea6.exe

Drops file in System32 directory 6 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\vcl32.exe	fb0bcec1bfce6a47cee5b28fe90909bc0addb61acc3b2a2737e343310000dea6.exe
File created	C:\Windows\SysWOW64\msees32.exe	fb0bcec1bfce6a47cee5b28fe90909bc0addb61acc3b2a2737e343310000dea6.exe
File opened for modification	C:\Windows\SysWOW64\msees32.exe	fb0bcec1bfce6a47cee5b28fe90909bc0addb61acc3b2a2737e343310000dea6.exe
File created	C:\Windows\SysWOW64\concp32.exe	fb0bcec1bfce6a47cee5b28fe90909bc0addb61acc3b2a2737e343310000dea6.exe
File opened for modification	C:\Windows\SysWOW64\concp32.exe	fb0bcec1bfce6a47cee5b28fe90909bc0addb61acc3b2a2737e343310000dea6.exe
File created	C:\Windows\SysWOW64\vcl32.exe	fb0bcec1bfce6a47cee5b28fe90909bc0addb61acc3b2a2737e343310000dea6.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4932	2496	WerFault.exe	79

Modifies registry class 5 IoCs

description	ioc	Process
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{2E9B1072-8B9A-11D5-EBA1-F78EEEEEE983}\sm = ebb5525fa3bcf9422c8ff945977d6af9	fb0bcec1bfce6a47cee5b28fe90909bc0addb61acc3b2a2737e343310000dea6.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{2E9B1072-8B9A-11D5-EBA1-F78EEEEEE983}\ax = e3786a6acf6bdb747c95e0ec83f0c830	fb0bcec1bfce6a47cee5b28fe90909bc0addb61acc3b2a2737e343310000dea6.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Windows\\SysWow64\\concp32.exe \"%1\" %*"	fb0bcec1bfce6a47cee5b28fe90909bc0addb61acc3b2a2737e343310000dea6.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{2E9B1072-8B9A-11D5-EBA1-F78EEEEEE983}	fb0bcec1bfce6a47cee5b28fe90909bc0addb61acc3b2a2737e343310000dea6.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{2E9B1072-8B9A-11D5-EBA1-F78EEEEEE983}\InprocServer32	fb0bcec1bfce6a47cee5b28fe90909bc0addb61acc3b2a2737e343310000dea6.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2496	fb0bcec1bfce6a47cee5b28fe90909bc0addb61acc3b2a2737e343310000dea6.exe

C:\Users\Admin\AppData\Local\Temp\fb0bcec1bfce6a47cee5b28fe90909bc0addb61acc3b2a2737e343310000dea6.exe
"C:\Users\Admin\AppData\Local\Temp\fb0bcec1bfce6a47cee5b28fe90909bc0addb61acc3b2a2737e343310000dea6.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:2496
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2496 -s 712
  2⤵
  - Program crash
  PID:4932

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 428 -p 2496 -ip 2496
1⤵
PID:5036

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/2496-132-0x0000000000400000-0x0000000000435000-memory.dmp

Filesize
212KB

Download
memory/2496-133-0x0000000000400000-0x0000000000435000-memory.dmp

Filesize
212KB

Download