2081778aef96c33e506163638c372230bc8ff288862fda5a968c84b9dfa83d5a

Analysis

max time kernel
182s
max time network
189s
platform
windows10-2004_x64
resource
win10v2004-20221111-en
resource tags

arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
submitted
26-11-2022 21:54

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General

Target

2081778aef96c33e506163638c372230bc8ff288862fda5a968c84b9dfa83d5a.exe
Size

596KB
MD5

fd0df2f8286101485736aff0fb72571d
SHA1

ea80199966d1ecf8724d84319d2081f027bc0423
SHA256

2081778aef96c33e506163638c372230bc8ff288862fda5a968c84b9dfa83d5a
SHA512

41fabeb4df7b18dfd608df88cded152bf793001108007bd52b54e6ca3d70404d90acc7b4c582ba7bc5632bd429b3bcfde9442277d34316e612dab5a184b8554d
SSDEEP

12288:UsAqMGHGSX1388BxGVILSY4oSe8lU6t3p7t48xmc4QdQ3nc+Rujw7E:UsBbWOSY4He8Vj48Qc4ls+0cY

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\" %*"	2081778aef96c33e506163638c372230bc8ff288862fda5a968c84b9dfa83d5a.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\{4E0DDDD5-8B9A-11D5-EBA1-F78EEEEEE983}	2081778aef96c33e506163638c372230bc8ff288862fda5a968c84b9dfa83d5a.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{4E0DDDD5-8B9A-11D5-EBA1-F78EEEEEE983}\StubPath = "mskgn32.exe"	2081778aef96c33e506163638c372230bc8ff288862fda5a968c84b9dfa83d5a.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"	2081778aef96c33e506163638c372230bc8ff288862fda5a968c84b9dfa83d5a.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\VCL = "vcl32.exe"	2081778aef96c33e506163638c372230bc8ff288862fda5a968c84b9dfa83d5a.exe

Drops file in System32 directory 6 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\vcl32.exe	2081778aef96c33e506163638c372230bc8ff288862fda5a968c84b9dfa83d5a.exe
File opened for modification	C:\Windows\SysWOW64\vcl32.exe	2081778aef96c33e506163638c372230bc8ff288862fda5a968c84b9dfa83d5a.exe
File created	C:\Windows\SysWOW64\mskgn32.exe	2081778aef96c33e506163638c372230bc8ff288862fda5a968c84b9dfa83d5a.exe
File opened for modification	C:\Windows\SysWOW64\mskgn32.exe	2081778aef96c33e506163638c372230bc8ff288862fda5a968c84b9dfa83d5a.exe
File created	C:\Windows\SysWOW64\concp32.exe	2081778aef96c33e506163638c372230bc8ff288862fda5a968c84b9dfa83d5a.exe
File opened for modification	C:\Windows\SysWOW64\concp32.exe	2081778aef96c33e506163638c372230bc8ff288862fda5a968c84b9dfa83d5a.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3240	1920	WerFault.exe	82

Modifies registry class 5 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{4E0DDDD5-8B9A-11D5-EBA1-F78EEEEEE983}	2081778aef96c33e506163638c372230bc8ff288862fda5a968c84b9dfa83d5a.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{4E0DDDD5-8B9A-11D5-EBA1-F78EEEEEE983}\InprocServer32	2081778aef96c33e506163638c372230bc8ff288862fda5a968c84b9dfa83d5a.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{4E0DDDD5-8B9A-11D5-EBA1-F78EEEEEE983}\sm = ebb5525fa3bcf9422c8ff945977d6af9	2081778aef96c33e506163638c372230bc8ff288862fda5a968c84b9dfa83d5a.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{4E0DDDD5-8B9A-11D5-EBA1-F78EEEEEE983}\ax = b86e4d28be91a5e32391b68bd281ac24	2081778aef96c33e506163638c372230bc8ff288862fda5a968c84b9dfa83d5a.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Windows\\SysWow64\\concp32.exe \"%1\" %*"	2081778aef96c33e506163638c372230bc8ff288862fda5a968c84b9dfa83d5a.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
1920	2081778aef96c33e506163638c372230bc8ff288862fda5a968c84b9dfa83d5a.exe

C:\Users\Admin\AppData\Local\Temp\2081778aef96c33e506163638c372230bc8ff288862fda5a968c84b9dfa83d5a.exe
"C:\Users\Admin\AppData\Local\Temp\2081778aef96c33e506163638c372230bc8ff288862fda5a968c84b9dfa83d5a.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:1920
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1920 -s 716
  2⤵
  - Program crash
  PID:3240

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 1920 -ip 1920
1⤵
PID:4116

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/1920-132-0x0000000000400000-0x0000000000435000-memory.dmp

Filesize
212KB

Download
memory/1920-133-0x0000000000400000-0x0000000000435000-memory.dmp

Filesize
212KB

Download