3fcc9c933d2b9e8c7e91490835c7f9774c1d2c6a1ac4b0430ddfd42aa944390a

General

Target

3fcc9c933d2b9e8c7e91490835c7f9774c1d2c6a1ac4b0430ddfd42aa944390a.exe
Size

350KB
MD5

cf4a90524ca46ff9d148fc785826bd48
SHA1

a15304b6c842ec4453e66b0d5e554557c7afbaba
SHA256

3fcc9c933d2b9e8c7e91490835c7f9774c1d2c6a1ac4b0430ddfd42aa944390a
SHA512

5303294578f2ac43f8e901c2bd5cc2ea4c427cfada13ea7e1f9aef679f535b69aaad9c26fed4a90c8db8a0bc8ee6eced656c4741396c77d6424130dd4eed4501
SSDEEP

6144:MRAhhJxX7bNIAROzTuaPUD8XRufY7L3oDNOqmq9n0bQ9kDbvVoUSAptiJw:UsAAPaPUD1SYDUxq9089kfy16

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:

3fcc9c933d2b9e8c7e91490835c7f9774c1d2c6a1ac4b0430ddfd42aa944390a.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Windows\\SysWow64\\concp32.exe \"%1\" %*"	3fcc9c933d2b9e8c7e91490835c7f9774c1d2c6a1ac4b0430ddfd42aa944390a.exe

Modifies Installed Components in the registry 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

3fcc9c933d2b9e8c7e91490835c7f9774c1d2c6a1ac4b0430ddfd42aa944390a.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{F754B80B-8B9A-11D5-EBA1-F78EEEEEE983}	3fcc9c933d2b9e8c7e91490835c7f9774c1d2c6a1ac4b0430ddfd42aa944390a.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{F754B80B-8B9A-11D5-EBA1-F78EEEEEE983}\StubPath = "msplv32.exe"	3fcc9c933d2b9e8c7e91490835c7f9774c1d2c6a1ac4b0430ddfd42aa944390a.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

3fcc9c933d2b9e8c7e91490835c7f9774c1d2c6a1ac4b0430ddfd42aa944390a.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\VCL = "vcl32.exe"	3fcc9c933d2b9e8c7e91490835c7f9774c1d2c6a1ac4b0430ddfd42aa944390a.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\VCL = "vcl32.exe"	3fcc9c933d2b9e8c7e91490835c7f9774c1d2c6a1ac4b0430ddfd42aa944390a.exe

Drops file in System32 directory 6 IoCs

Processes:

3fcc9c933d2b9e8c7e91490835c7f9774c1d2c6a1ac4b0430ddfd42aa944390a.exe

description	ioc	process
File created	C:\Windows\SysWOW64\vcl32.exe	3fcc9c933d2b9e8c7e91490835c7f9774c1d2c6a1ac4b0430ddfd42aa944390a.exe
File opened for modification	C:\Windows\SysWOW64\vcl32.exe	3fcc9c933d2b9e8c7e91490835c7f9774c1d2c6a1ac4b0430ddfd42aa944390a.exe
File created	C:\Windows\SysWOW64\msplv32.exe	3fcc9c933d2b9e8c7e91490835c7f9774c1d2c6a1ac4b0430ddfd42aa944390a.exe
File opened for modification	C:\Windows\SysWOW64\msplv32.exe	3fcc9c933d2b9e8c7e91490835c7f9774c1d2c6a1ac4b0430ddfd42aa944390a.exe
File created	C:\Windows\SysWOW64\concp32.exe	3fcc9c933d2b9e8c7e91490835c7f9774c1d2c6a1ac4b0430ddfd42aa944390a.exe
File opened for modification	C:\Windows\SysWOW64\concp32.exe	3fcc9c933d2b9e8c7e91490835c7f9774c1d2c6a1ac4b0430ddfd42aa944390a.exe

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

4864 4880 WerFault.exe 3fcc9c933d2b9e8c7e91490835c7f9774c1d2c6a1ac4b0430ddfd42aa944390a.exe

pid	pid_target	process	target process
4864	4880	WerFault.exe	3fcc9c933d2b9e8c7e91490835c7f9774c1d2c6a1ac4b0430ddfd42aa944390a.exe

Modifies registry class 5 IoCs

Processes:

3fcc9c933d2b9e8c7e91490835c7f9774c1d2c6a1ac4b0430ddfd42aa944390a.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{F754B80B-8B9A-11D5-EBA1-F78EEEEEE983}	3fcc9c933d2b9e8c7e91490835c7f9774c1d2c6a1ac4b0430ddfd42aa944390a.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{F754B80B-8B9A-11D5-EBA1-F78EEEEEE983}\InprocServer32	3fcc9c933d2b9e8c7e91490835c7f9774c1d2c6a1ac4b0430ddfd42aa944390a.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{F754B80B-8B9A-11D5-EBA1-F78EEEEEE983}\sm = 01b8ec350471bd332433eee476ebe1f3	3fcc9c933d2b9e8c7e91490835c7f9774c1d2c6a1ac4b0430ddfd42aa944390a.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{F754B80B-8B9A-11D5-EBA1-F78EEEEEE983}\ax = 3ada7558e638ccc3a9cd9ab0ee389e9b	3fcc9c933d2b9e8c7e91490835c7f9774c1d2c6a1ac4b0430ddfd42aa944390a.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Windows\\SysWow64\\concp32.exe \"%1\" %*"	3fcc9c933d2b9e8c7e91490835c7f9774c1d2c6a1ac4b0430ddfd42aa944390a.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

Processes:

3fcc9c933d2b9e8c7e91490835c7f9774c1d2c6a1ac4b0430ddfd42aa944390a.exe

pid process

4880 3fcc9c933d2b9e8c7e91490835c7f9774c1d2c6a1ac4b0430ddfd42aa944390a.exe

pid	process
4880	3fcc9c933d2b9e8c7e91490835c7f9774c1d2c6a1ac4b0430ddfd42aa944390a.exe

C:\Users\Admin\AppData\Local\Temp\3fcc9c933d2b9e8c7e91490835c7f9774c1d2c6a1ac4b0430ddfd42aa944390a.exe
"C:\Users\Admin\AppData\Local\Temp\3fcc9c933d2b9e8c7e91490835c7f9774c1d2c6a1ac4b0430ddfd42aa944390a.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:4880

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4880 -s 708
2⤵
- Program crash
PID:4864

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 4880 -ip 4880
1⤵
PID:4772

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/4880-132-0x0000000000400000-0x0000000000435000-memory.dmp

Filesize
212KB

Download
memory/4880-133-0x0000000000400000-0x0000000000435000-memory.dmp

Filesize
212KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads