f3ad5b24a648b9f131c13a893ce6aa3b9e49a82650a3282a5abd895437fc4f30

General

Target

f3ad5b24a648b9f131c13a893ce6aa3b9e49a82650a3282a5abd895437fc4f30.exe
Size

568KB
MD5

4d8ba55903bfc40e18e8e1567993be48
SHA1

bffd2c96f73fb21f7b2c535ca2f77f477298b0e2
SHA256

f3ad5b24a648b9f131c13a893ce6aa3b9e49a82650a3282a5abd895437fc4f30
SHA512

137c0335facc292ea9b7c07158473c7407e99caa82fc8c66ca5bd04de35bb7b3b90cf1ab059a231d8adaea97fcfee309fd85a3b36c5e09cae13c82a24a8acf25
SSDEEP

12288:UsAqMGHGSX1388BxGVI43GVpinJMcODu5OcQldYMzw0Gg1kVbf5vjO:UsBbW1SaR7QgyL1Ibf5q

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:

f3ad5b24a648b9f131c13a893ce6aa3b9e49a82650a3282a5abd895437fc4f30.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Windows\\SysWow64\\concp32.exe \"%1\" %*"	f3ad5b24a648b9f131c13a893ce6aa3b9e49a82650a3282a5abd895437fc4f30.exe

Modifies Installed Components in the registry 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

f3ad5b24a648b9f131c13a893ce6aa3b9e49a82650a3282a5abd895437fc4f30.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{E874C97-8B9A-11D5-EBA1-F78EEEEEE983}	f3ad5b24a648b9f131c13a893ce6aa3b9e49a82650a3282a5abd895437fc4f30.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{E874C97-8B9A-11D5-EBA1-F78EEEEEE983}\StubPath = "msmta32.exe"	f3ad5b24a648b9f131c13a893ce6aa3b9e49a82650a3282a5abd895437fc4f30.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

f3ad5b24a648b9f131c13a893ce6aa3b9e49a82650a3282a5abd895437fc4f30.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\VCL = "vcl32.exe"	f3ad5b24a648b9f131c13a893ce6aa3b9e49a82650a3282a5abd895437fc4f30.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\VCL = "vcl32.exe"	f3ad5b24a648b9f131c13a893ce6aa3b9e49a82650a3282a5abd895437fc4f30.exe

Drops file in System32 directory 6 IoCs

Processes:

f3ad5b24a648b9f131c13a893ce6aa3b9e49a82650a3282a5abd895437fc4f30.exe

description	ioc	process
File opened for modification	C:\Windows\SysWOW64\msmta32.exe	f3ad5b24a648b9f131c13a893ce6aa3b9e49a82650a3282a5abd895437fc4f30.exe
File created	C:\Windows\SysWOW64\concp32.exe	f3ad5b24a648b9f131c13a893ce6aa3b9e49a82650a3282a5abd895437fc4f30.exe
File opened for modification	C:\Windows\SysWOW64\concp32.exe	f3ad5b24a648b9f131c13a893ce6aa3b9e49a82650a3282a5abd895437fc4f30.exe
File created	C:\Windows\SysWOW64\vcl32.exe	f3ad5b24a648b9f131c13a893ce6aa3b9e49a82650a3282a5abd895437fc4f30.exe
File opened for modification	C:\Windows\SysWOW64\vcl32.exe	f3ad5b24a648b9f131c13a893ce6aa3b9e49a82650a3282a5abd895437fc4f30.exe
File created	C:\Windows\SysWOW64\msmta32.exe	f3ad5b24a648b9f131c13a893ce6aa3b9e49a82650a3282a5abd895437fc4f30.exe

Program crash 2 IoCs

Processes:

WerFault.exeWerFault.exe

pid	pid_target	process	target process
1268	3672	WerFault.exe	f3ad5b24a648b9f131c13a893ce6aa3b9e49a82650a3282a5abd895437fc4f30.exe
3336	3672	WerFault.exe	f3ad5b24a648b9f131c13a893ce6aa3b9e49a82650a3282a5abd895437fc4f30.exe

Modifies registry class 5 IoCs

Processes:

f3ad5b24a648b9f131c13a893ce6aa3b9e49a82650a3282a5abd895437fc4f30.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{E874C97-8B9A-11D5-EBA1-F78EEEEEE983}	f3ad5b24a648b9f131c13a893ce6aa3b9e49a82650a3282a5abd895437fc4f30.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{E874C97-8B9A-11D5-EBA1-F78EEEEEE983}\InprocServer32	f3ad5b24a648b9f131c13a893ce6aa3b9e49a82650a3282a5abd895437fc4f30.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{E874C97-8B9A-11D5-EBA1-F78EEEEEE983}\sm = 01b8ec350471bd332433eee476ebe1f3	f3ad5b24a648b9f131c13a893ce6aa3b9e49a82650a3282a5abd895437fc4f30.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{E874C97-8B9A-11D5-EBA1-F78EEEEEE983}\ax = fdca4c583c623be37224c4f435aeac90	f3ad5b24a648b9f131c13a893ce6aa3b9e49a82650a3282a5abd895437fc4f30.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Windows\\SysWow64\\concp32.exe \"%1\" %*"	f3ad5b24a648b9f131c13a893ce6aa3b9e49a82650a3282a5abd895437fc4f30.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

Processes:

f3ad5b24a648b9f131c13a893ce6aa3b9e49a82650a3282a5abd895437fc4f30.exe

pid process

3672 f3ad5b24a648b9f131c13a893ce6aa3b9e49a82650a3282a5abd895437fc4f30.exe

pid	process
3672	f3ad5b24a648b9f131c13a893ce6aa3b9e49a82650a3282a5abd895437fc4f30.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

f3ad5b24a648b9f131c13a893ce6aa3b9e49a82650a3282a5abd895437fc4f30.exe

description	pid	process	target process
PID 3672 wrote to memory of 1268	3672	f3ad5b24a648b9f131c13a893ce6aa3b9e49a82650a3282a5abd895437fc4f30.exe	WerFault.exe
PID 3672 wrote to memory of 1268	3672	f3ad5b24a648b9f131c13a893ce6aa3b9e49a82650a3282a5abd895437fc4f30.exe	WerFault.exe
PID 3672 wrote to memory of 1268	3672	f3ad5b24a648b9f131c13a893ce6aa3b9e49a82650a3282a5abd895437fc4f30.exe	WerFault.exe

C:\Users\Admin\AppData\Local\Temp\f3ad5b24a648b9f131c13a893ce6aa3b9e49a82650a3282a5abd895437fc4f30.exe
"C:\Users\Admin\AppData\Local\Temp\f3ad5b24a648b9f131c13a893ce6aa3b9e49a82650a3282a5abd895437fc4f30.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:3672
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3672 -s 708
  2⤵
  - Program crash
  PID:1268
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3672 -s 708
  2⤵
  - Program crash
  PID:3336

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 448 -p 3672 -ip 3672
1⤵
PID:3908

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/1268-133-0x0000000000000000-mapping.dmp

Download
memory/3672-132-0x0000000000400000-0x0000000000435000-memory.dmp

Filesize
212KB

Download
memory/3672-134-0x0000000000400000-0x0000000000435000-memory.dmp

Filesize
212KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads