bd8ba4483e3d8df6071b9cb31de683b87f64e3f1774c9cf5a7ecb76a67a31515

General

Target

bd8ba4483e3d8df6071b9cb31de683b87f64e3f1774c9cf5a7ecb76a67a31515.exe
Size

160KB
MD5

c6e6a311f8a988789543683a297aa988
SHA1

4ada699415ece27f75df0fbcd5b9f441c657ef4e
SHA256

bd8ba4483e3d8df6071b9cb31de683b87f64e3f1774c9cf5a7ecb76a67a31515
SHA512

75e731fa841b518079df36fd9b50659b2373ce084412a45ce93c27e21cd6e1cb844520fb29f1b640cf0c5a4444cb9576fd29ade8c0a9c3bd42a8f8289eb333be
SSDEEP

3072:MRAhhcsxgAJuK7bZD01GoI0ONtNmlngmx5MO0xiKlmSaZN:MRAhhJxX7bNIFlxomS0

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

Processes:

bd8ba4483e3d8df6071b9cb31de683b87f64e3f1774c9cf5a7ecb76a67a31515.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Windows\\SysWow64\\concp32.exe \"%1\" %*"	bd8ba4483e3d8df6071b9cb31de683b87f64e3f1774c9cf5a7ecb76a67a31515.exe

Modifies Installed Components in the registry 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

bd8ba4483e3d8df6071b9cb31de683b87f64e3f1774c9cf5a7ecb76a67a31515.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{63DA84B2-8B9A-11D5-EBA1-F78EEEEEE983}	bd8ba4483e3d8df6071b9cb31de683b87f64e3f1774c9cf5a7ecb76a67a31515.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{63DA84B2-8B9A-11D5-EBA1-F78EEEEEE983}\StubPath = "msgfk32.exe"	bd8ba4483e3d8df6071b9cb31de683b87f64e3f1774c9cf5a7ecb76a67a31515.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

bd8ba4483e3d8df6071b9cb31de683b87f64e3f1774c9cf5a7ecb76a67a31515.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\VCL = "vcl32.exe"	bd8ba4483e3d8df6071b9cb31de683b87f64e3f1774c9cf5a7ecb76a67a31515.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\VCL = "vcl32.exe"	bd8ba4483e3d8df6071b9cb31de683b87f64e3f1774c9cf5a7ecb76a67a31515.exe

Drops file in System32 directory 6 IoCs

Processes:

bd8ba4483e3d8df6071b9cb31de683b87f64e3f1774c9cf5a7ecb76a67a31515.exe

description	ioc	process
File created	C:\Windows\SysWOW64\vcl32.exe	bd8ba4483e3d8df6071b9cb31de683b87f64e3f1774c9cf5a7ecb76a67a31515.exe
File opened for modification	C:\Windows\SysWOW64\vcl32.exe	bd8ba4483e3d8df6071b9cb31de683b87f64e3f1774c9cf5a7ecb76a67a31515.exe
File created	C:\Windows\SysWOW64\msgfk32.exe	bd8ba4483e3d8df6071b9cb31de683b87f64e3f1774c9cf5a7ecb76a67a31515.exe
File opened for modification	C:\Windows\SysWOW64\msgfk32.exe	bd8ba4483e3d8df6071b9cb31de683b87f64e3f1774c9cf5a7ecb76a67a31515.exe
File created	C:\Windows\SysWOW64\concp32.exe	bd8ba4483e3d8df6071b9cb31de683b87f64e3f1774c9cf5a7ecb76a67a31515.exe
File opened for modification	C:\Windows\SysWOW64\concp32.exe	bd8ba4483e3d8df6071b9cb31de683b87f64e3f1774c9cf5a7ecb76a67a31515.exe

Program crash 2 IoCs

Processes:

WerFault.exeWerFault.exe

pid	pid_target	process	target process
2764	3948	WerFault.exe	bd8ba4483e3d8df6071b9cb31de683b87f64e3f1774c9cf5a7ecb76a67a31515.exe
4576	3948	WerFault.exe	bd8ba4483e3d8df6071b9cb31de683b87f64e3f1774c9cf5a7ecb76a67a31515.exe

Modifies registry class 5 IoCs

Processes:

bd8ba4483e3d8df6071b9cb31de683b87f64e3f1774c9cf5a7ecb76a67a31515.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{63DA84B2-8B9A-11D5-EBA1-F78EEEEEE983}	bd8ba4483e3d8df6071b9cb31de683b87f64e3f1774c9cf5a7ecb76a67a31515.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{63DA84B2-8B9A-11D5-EBA1-F78EEEEEE983}\InprocServer32	bd8ba4483e3d8df6071b9cb31de683b87f64e3f1774c9cf5a7ecb76a67a31515.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{63DA84B2-8B9A-11D5-EBA1-F78EEEEEE983}\sm = 01b8ec350471bd332433eee476ebe1f3	bd8ba4483e3d8df6071b9cb31de683b87f64e3f1774c9cf5a7ecb76a67a31515.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{63DA84B2-8B9A-11D5-EBA1-F78EEEEEE983}\ax = 7d3a497fac198aa45251d9c8329c5ce7	bd8ba4483e3d8df6071b9cb31de683b87f64e3f1774c9cf5a7ecb76a67a31515.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Windows\\SysWow64\\concp32.exe \"%1\" %*"	bd8ba4483e3d8df6071b9cb31de683b87f64e3f1774c9cf5a7ecb76a67a31515.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

Processes:

bd8ba4483e3d8df6071b9cb31de683b87f64e3f1774c9cf5a7ecb76a67a31515.exe

pid process

3948 bd8ba4483e3d8df6071b9cb31de683b87f64e3f1774c9cf5a7ecb76a67a31515.exe

pid	process
3948	bd8ba4483e3d8df6071b9cb31de683b87f64e3f1774c9cf5a7ecb76a67a31515.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

bd8ba4483e3d8df6071b9cb31de683b87f64e3f1774c9cf5a7ecb76a67a31515.exe

description	pid	process	target process
PID 3948 wrote to memory of 2764	3948	bd8ba4483e3d8df6071b9cb31de683b87f64e3f1774c9cf5a7ecb76a67a31515.exe	WerFault.exe
PID 3948 wrote to memory of 2764	3948	bd8ba4483e3d8df6071b9cb31de683b87f64e3f1774c9cf5a7ecb76a67a31515.exe	WerFault.exe
PID 3948 wrote to memory of 2764	3948	bd8ba4483e3d8df6071b9cb31de683b87f64e3f1774c9cf5a7ecb76a67a31515.exe	WerFault.exe

C:\Users\Admin\AppData\Local\Temp\bd8ba4483e3d8df6071b9cb31de683b87f64e3f1774c9cf5a7ecb76a67a31515.exe
"C:\Users\Admin\AppData\Local\Temp\bd8ba4483e3d8df6071b9cb31de683b87f64e3f1774c9cf5a7ecb76a67a31515.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
- Suspicious use of WriteProcessMemory
PID:3948

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3948 -s 700
2⤵
- Program crash
PID:2764

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3948 -s 700
2⤵
- Program crash
PID:4576

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 372 -p 3948 -ip 3948
1⤵
PID:4596

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Change Default File Association

1

T1042

Registry Run Keys / Startup Folder

2

T1060

Privilege Escalation

Defense Evasion

Modify Registry

3

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/2764-133-0x0000000000000000-mapping.dmp

Download
memory/3948-132-0x0000000000400000-0x0000000000435000-memory.dmp

Filesize
212KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads