8dfd7934ab0f90e5407c4acecaf5fc3a47557024144df9c2255f22a6e9e4ea10

General

Target

8dfd7934ab0f90e5407c4acecaf5fc3a47557024144df9c2255f22a6e9e4ea10.exe
Size

376KB
MD5

7f3200ff7f1e0dc71ceb0c676637bfa2
SHA1

4853e801c80599740b1de9fea5f7ea68a96f82b9
SHA256

8dfd7934ab0f90e5407c4acecaf5fc3a47557024144df9c2255f22a6e9e4ea10
SHA512

3080ea536549b9ce12bf2e0da6cf2e94bef596312af12abc575e8f7f7c21e9294e63c0027bb5ae4a22c1b6b9c25a12b6a9c43a7325727b95f58081d5fd67d97c
SSDEEP

6144:MRAhhJxX7bNIAROzTua3Wx3uJWBmM8fTVIw40ee/nGQKnGQr64UY3ctWkY:UsAAPaieJomM8fTV5lee/GRnE4UKcsn

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:

8dfd7934ab0f90e5407c4acecaf5fc3a47557024144df9c2255f22a6e9e4ea10.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Windows\\SysWow64\\concp32.exe \"%1\" %*"	8dfd7934ab0f90e5407c4acecaf5fc3a47557024144df9c2255f22a6e9e4ea10.exe

Modifies Installed Components in the registry 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

8dfd7934ab0f90e5407c4acecaf5fc3a47557024144df9c2255f22a6e9e4ea10.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{EFB74B0A-8B9A-11D5-EBA1-F78EEEEEE983}	8dfd7934ab0f90e5407c4acecaf5fc3a47557024144df9c2255f22a6e9e4ea10.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{EFB74B0A-8B9A-11D5-EBA1-F78EEEEEE983}\StubPath = "mstri32.exe"	8dfd7934ab0f90e5407c4acecaf5fc3a47557024144df9c2255f22a6e9e4ea10.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

8dfd7934ab0f90e5407c4acecaf5fc3a47557024144df9c2255f22a6e9e4ea10.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\VCL = "vcl32.exe"	8dfd7934ab0f90e5407c4acecaf5fc3a47557024144df9c2255f22a6e9e4ea10.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4060001867-1434967833-2212371794-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\VCL = "vcl32.exe"	8dfd7934ab0f90e5407c4acecaf5fc3a47557024144df9c2255f22a6e9e4ea10.exe

Drops file in System32 directory 6 IoCs

Processes:

8dfd7934ab0f90e5407c4acecaf5fc3a47557024144df9c2255f22a6e9e4ea10.exe

description	ioc	process
File created	C:\Windows\SysWOW64\vcl32.exe	8dfd7934ab0f90e5407c4acecaf5fc3a47557024144df9c2255f22a6e9e4ea10.exe
File opened for modification	C:\Windows\SysWOW64\vcl32.exe	8dfd7934ab0f90e5407c4acecaf5fc3a47557024144df9c2255f22a6e9e4ea10.exe
File created	C:\Windows\SysWOW64\mstri32.exe	8dfd7934ab0f90e5407c4acecaf5fc3a47557024144df9c2255f22a6e9e4ea10.exe
File opened for modification	C:\Windows\SysWOW64\mstri32.exe	8dfd7934ab0f90e5407c4acecaf5fc3a47557024144df9c2255f22a6e9e4ea10.exe
File created	C:\Windows\SysWOW64\concp32.exe	8dfd7934ab0f90e5407c4acecaf5fc3a47557024144df9c2255f22a6e9e4ea10.exe
File opened for modification	C:\Windows\SysWOW64\concp32.exe	8dfd7934ab0f90e5407c4acecaf5fc3a47557024144df9c2255f22a6e9e4ea10.exe

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

3380 3076 WerFault.exe 8dfd7934ab0f90e5407c4acecaf5fc3a47557024144df9c2255f22a6e9e4ea10.exe

pid	pid_target	process	target process
3380	3076	WerFault.exe	8dfd7934ab0f90e5407c4acecaf5fc3a47557024144df9c2255f22a6e9e4ea10.exe

Modifies registry class 5 IoCs

Processes:

8dfd7934ab0f90e5407c4acecaf5fc3a47557024144df9c2255f22a6e9e4ea10.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{EFB74B0A-8B9A-11D5-EBA1-F78EEEEEE983}	8dfd7934ab0f90e5407c4acecaf5fc3a47557024144df9c2255f22a6e9e4ea10.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{EFB74B0A-8B9A-11D5-EBA1-F78EEEEEE983}\InprocServer32	8dfd7934ab0f90e5407c4acecaf5fc3a47557024144df9c2255f22a6e9e4ea10.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{EFB74B0A-8B9A-11D5-EBA1-F78EEEEEE983}\sm = ebb5525fa3bcf9422c8ff945977d6af9	8dfd7934ab0f90e5407c4acecaf5fc3a47557024144df9c2255f22a6e9e4ea10.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{EFB74B0A-8B9A-11D5-EBA1-F78EEEEEE983}\ax = fac9b3d16304999b769007445f246f29	8dfd7934ab0f90e5407c4acecaf5fc3a47557024144df9c2255f22a6e9e4ea10.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Windows\\SysWow64\\concp32.exe \"%1\" %*"	8dfd7934ab0f90e5407c4acecaf5fc3a47557024144df9c2255f22a6e9e4ea10.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

Processes:

8dfd7934ab0f90e5407c4acecaf5fc3a47557024144df9c2255f22a6e9e4ea10.exe

pid process

3076 8dfd7934ab0f90e5407c4acecaf5fc3a47557024144df9c2255f22a6e9e4ea10.exe

pid	process
3076	8dfd7934ab0f90e5407c4acecaf5fc3a47557024144df9c2255f22a6e9e4ea10.exe

C:\Users\Admin\AppData\Local\Temp\8dfd7934ab0f90e5407c4acecaf5fc3a47557024144df9c2255f22a6e9e4ea10.exe
"C:\Users\Admin\AppData\Local\Temp\8dfd7934ab0f90e5407c4acecaf5fc3a47557024144df9c2255f22a6e9e4ea10.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:3076

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3076 -s 764
2⤵
- Program crash
PID:3380

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3076 -ip 3076
1⤵
PID:4964

Network

MITRE ATT&CK Matrix ATT&CK 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

Exfiltration

Command and Control

Impact

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Downloads

memory/3076-135-0x0000000000400000-0x0000000000435000-memory.dmp

Filesize
212KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads