5041db76ada43de81fccf255499ac2be6727d8fadc384418c48952ac413bed88

Analysis

max time kernel
117s
max time network
144s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
29/10/2022, 23:37

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General

Target

5041db76ada43de81fccf255499ac2be6727d8fadc384418c48952ac413bed88.exe
Size

479KB
MD5

a392063a213dfaba9ac57e21634b89d0
SHA1

ecb738196c81c60a31b56802f629220887a3f324
SHA256

5041db76ada43de81fccf255499ac2be6727d8fadc384418c48952ac413bed88
SHA512

c07bd48b791ac6ea01645ba376afc791d7b2d2b6ad8ca39e25ff8ddd550c694ca37ed6cadaec6edd1c10622b1fb9be9dda1e8e38a17b5ddae498ea44b0487156
SSDEEP

6144:MRAhhJxX7bNIAROzTuaPUD8XRuf0b4mt/R/0DMrRsiEodBFkhFrR2SV14AVo2zgY:UsAAPaPUD18t/R/OgRs6dBFIJR5HVig1

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\" %*"	5041db76ada43de81fccf255499ac2be6727d8fadc384418c48952ac413bed88.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\{A6DC3870-8B9A-11D5-EBA1-F78EEEEEE983}	5041db76ada43de81fccf255499ac2be6727d8fadc384418c48952ac413bed88.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{A6DC3870-8B9A-11D5-EBA1-F78EEEEEE983}\StubPath = "msdyq32.exe"	5041db76ada43de81fccf255499ac2be6727d8fadc384418c48952ac413bed88.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"	5041db76ada43de81fccf255499ac2be6727d8fadc384418c48952ac413bed88.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\VCL = "vcl32.exe"	5041db76ada43de81fccf255499ac2be6727d8fadc384418c48952ac413bed88.exe

Drops file in System32 directory 6 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\concp32.exe	5041db76ada43de81fccf255499ac2be6727d8fadc384418c48952ac413bed88.exe
File created	C:\Windows\SysWOW64\vcl32.exe	5041db76ada43de81fccf255499ac2be6727d8fadc384418c48952ac413bed88.exe
File opened for modification	C:\Windows\SysWOW64\vcl32.exe	5041db76ada43de81fccf255499ac2be6727d8fadc384418c48952ac413bed88.exe
File created	C:\Windows\SysWOW64\msdyq32.exe	5041db76ada43de81fccf255499ac2be6727d8fadc384418c48952ac413bed88.exe
File opened for modification	C:\Windows\SysWOW64\msdyq32.exe	5041db76ada43de81fccf255499ac2be6727d8fadc384418c48952ac413bed88.exe
File created	C:\Windows\SysWOW64\concp32.exe	5041db76ada43de81fccf255499ac2be6727d8fadc384418c48952ac413bed88.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2232	4844	WerFault.exe	81

Modifies registry class 5 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{A6DC3870-8B9A-11D5-EBA1-F78EEEEEE983}	5041db76ada43de81fccf255499ac2be6727d8fadc384418c48952ac413bed88.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{A6DC3870-8B9A-11D5-EBA1-F78EEEEEE983}\InprocServer32	5041db76ada43de81fccf255499ac2be6727d8fadc384418c48952ac413bed88.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{A6DC3870-8B9A-11D5-EBA1-F78EEEEEE983}\sm = ebb5525fa3bcf9422c8ff945977d6af9	5041db76ada43de81fccf255499ac2be6727d8fadc384418c48952ac413bed88.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{A6DC3870-8B9A-11D5-EBA1-F78EEEEEE983}\ax = ea8aaddf5ac53ec621be1e60a8151f85	5041db76ada43de81fccf255499ac2be6727d8fadc384418c48952ac413bed88.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Windows\\SysWow64\\concp32.exe \"%1\" %*"	5041db76ada43de81fccf255499ac2be6727d8fadc384418c48952ac413bed88.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
4844	5041db76ada43de81fccf255499ac2be6727d8fadc384418c48952ac413bed88.exe

C:\Users\Admin\AppData\Local\Temp\5041db76ada43de81fccf255499ac2be6727d8fadc384418c48952ac413bed88.exe
"C:\Users\Admin\AppData\Local\Temp\5041db76ada43de81fccf255499ac2be6727d8fadc384418c48952ac413bed88.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:4844
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4844 -s 716
  2⤵
  - Program crash
  PID:2232

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 360 -p 4844 -ip 4844
1⤵
PID:4708

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/4844-132-0x0000000000400000-0x0000000000435000-memory.dmp

Filesize
212KB

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memory/4844-133-0x0000000000400000-0x0000000000435000-memory.dmp

Filesize
212KB

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