fee652187c5d064890f1dd43c922cf77d38a2a3e22eb6d423152743b06537df9

Analysis

max time kernel
181s
max time network
187s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
29-10-2022 23:36

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General

Target

fee652187c5d064890f1dd43c922cf77d38a2a3e22eb6d423152743b06537df9.exe
Size

609KB
MD5

55aa266a45621de1104464f22efc1070
SHA1

d83a98535922ce266e0c62fdfbb5ed50f2d1426c
SHA256

fee652187c5d064890f1dd43c922cf77d38a2a3e22eb6d423152743b06537df9
SHA512

92bcda33566f5c451f7837842aa6f3f0abb66e1812b719e8973e14bd9980d2f0827449e36a338333821b94f170ce58edf4ef2aca86df3661208238b7b753dc08
SSDEEP

12288:UsAL/W5L/SZdSCvTF+bDTqXTa7v5ouBdhNU3MRujtojZ2cRTOobGO56qVHT:UsW/WNSZ8CLGETEjnqK0cRSMdHT

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\" %*"	fee652187c5d064890f1dd43c922cf77d38a2a3e22eb6d423152743b06537df9.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\{CC58EE54-8B9A-11D5-EBA1-F78EEEEEE983}	fee652187c5d064890f1dd43c922cf77d38a2a3e22eb6d423152743b06537df9.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{CC58EE54-8B9A-11D5-EBA1-F78EEEEEE983}\StubPath = "msjyy32.exe"	fee652187c5d064890f1dd43c922cf77d38a2a3e22eb6d423152743b06537df9.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"	fee652187c5d064890f1dd43c922cf77d38a2a3e22eb6d423152743b06537df9.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\VCL = "vcl32.exe"	fee652187c5d064890f1dd43c922cf77d38a2a3e22eb6d423152743b06537df9.exe

Drops file in System32 directory 6 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\vcl32.exe	fee652187c5d064890f1dd43c922cf77d38a2a3e22eb6d423152743b06537df9.exe
File opened for modification	C:\Windows\SysWOW64\vcl32.exe	fee652187c5d064890f1dd43c922cf77d38a2a3e22eb6d423152743b06537df9.exe
File created	C:\Windows\SysWOW64\msjyy32.exe	fee652187c5d064890f1dd43c922cf77d38a2a3e22eb6d423152743b06537df9.exe
File opened for modification	C:\Windows\SysWOW64\msjyy32.exe	fee652187c5d064890f1dd43c922cf77d38a2a3e22eb6d423152743b06537df9.exe
File created	C:\Windows\SysWOW64\concp32.exe	fee652187c5d064890f1dd43c922cf77d38a2a3e22eb6d423152743b06537df9.exe
File opened for modification	C:\Windows\SysWOW64\concp32.exe	fee652187c5d064890f1dd43c922cf77d38a2a3e22eb6d423152743b06537df9.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4776	4824	WerFault.exe	80

Modifies registry class 5 IoCs

description	ioc	Process
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CC58EE54-8B9A-11D5-EBA1-F78EEEEEE983}\ax = 8c9294a5f32ec8852819526dea5dc6e2	fee652187c5d064890f1dd43c922cf77d38a2a3e22eb6d423152743b06537df9.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Windows\\SysWow64\\concp32.exe \"%1\" %*"	fee652187c5d064890f1dd43c922cf77d38a2a3e22eb6d423152743b06537df9.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CC58EE54-8B9A-11D5-EBA1-F78EEEEEE983}	fee652187c5d064890f1dd43c922cf77d38a2a3e22eb6d423152743b06537df9.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CC58EE54-8B9A-11D5-EBA1-F78EEEEEE983}\InprocServer32	fee652187c5d064890f1dd43c922cf77d38a2a3e22eb6d423152743b06537df9.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CC58EE54-8B9A-11D5-EBA1-F78EEEEEE983}\sm = ebb5525fa3bcf9422c8ff945977d6af9	fee652187c5d064890f1dd43c922cf77d38a2a3e22eb6d423152743b06537df9.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
4824	fee652187c5d064890f1dd43c922cf77d38a2a3e22eb6d423152743b06537df9.exe

C:\Users\Admin\AppData\Local\Temp\fee652187c5d064890f1dd43c922cf77d38a2a3e22eb6d423152743b06537df9.exe
"C:\Users\Admin\AppData\Local\Temp\fee652187c5d064890f1dd43c922cf77d38a2a3e22eb6d423152743b06537df9.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:4824
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4824 -s 704
  2⤵
  - Program crash
  PID:4776

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4824 -ip 4824
1⤵
PID:3584

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

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Downloads

memory/4824-132-0x0000000000400000-0x0000000000435000-memory.dmp

Filesize
212KB

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memory/4824-133-0x0000000000400000-0x0000000000435000-memory.dmp

Filesize
212KB

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