d9ebef62e2a1d0830adafd133c6ed719f13bd1976078e7221c2496d53124f61f

Analysis

max time kernel
92s
max time network
157s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
01/12/2022, 09:09

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General

Target

d9ebef62e2a1d0830adafd133c6ed719f13bd1976078e7221c2496d53124f61f.exe
Size

752KB
MD5

060dacaae758a5f3ac658ee961f23f49
SHA1

b304d7fc12b79f33d0d201fabad082df1b175127
SHA256

d9ebef62e2a1d0830adafd133c6ed719f13bd1976078e7221c2496d53124f61f
SHA512

3eab3e4077a4e9a241eea32e8752f6bc23cbc93731b64d4911298222868baf9656856ddeaaa0625cecc7db1edeebce92f8cfdc5869aa19fabd4be5243af559ad
SSDEEP

12288:UsAL/W5L/SZdSCvTF+bDTqXTa7v5ougtHEg/7Q4hvaJAPFqOm2SgBk5puCi+aABX:UsW/WNSZ8CLGETEjgXs4hDFqCLBkLuCV

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\" %*"	d9ebef62e2a1d0830adafd133c6ed719f13bd1976078e7221c2496d53124f61f.exe

Modifies Installed Components in the registry 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\Active Setup\Installed Components\{3B64B9E5-8B9A-11D5-EBA1-F78EEEEEE983}\StubPath = "mshkn32.exe"	d9ebef62e2a1d0830adafd133c6ed719f13bd1976078e7221c2496d53124f61f.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{3B64B9E5-8B9A-11D5-EBA1-F78EEEEEE983}	d9ebef62e2a1d0830adafd133c6ed719f13bd1976078e7221c2496d53124f61f.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\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\VCL = "vcl32.exe"	d9ebef62e2a1d0830adafd133c6ed719f13bd1976078e7221c2496d53124f61f.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\VCL = "vcl32.exe"	d9ebef62e2a1d0830adafd133c6ed719f13bd1976078e7221c2496d53124f61f.exe

Drops file in System32 directory 6 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\vcl32.exe	d9ebef62e2a1d0830adafd133c6ed719f13bd1976078e7221c2496d53124f61f.exe
File opened for modification	C:\Windows\SysWOW64\vcl32.exe	d9ebef62e2a1d0830adafd133c6ed719f13bd1976078e7221c2496d53124f61f.exe
File created	C:\Windows\SysWOW64\mshkn32.exe	d9ebef62e2a1d0830adafd133c6ed719f13bd1976078e7221c2496d53124f61f.exe
File opened for modification	C:\Windows\SysWOW64\mshkn32.exe	d9ebef62e2a1d0830adafd133c6ed719f13bd1976078e7221c2496d53124f61f.exe
File created	C:\Windows\SysWOW64\concp32.exe	d9ebef62e2a1d0830adafd133c6ed719f13bd1976078e7221c2496d53124f61f.exe
File opened for modification	C:\Windows\SysWOW64\concp32.exe	d9ebef62e2a1d0830adafd133c6ed719f13bd1976078e7221c2496d53124f61f.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4892	4072	WerFault.exe	78

Modifies registry class 5 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{3B64B9E5-8B9A-11D5-EBA1-F78EEEEEE983}	d9ebef62e2a1d0830adafd133c6ed719f13bd1976078e7221c2496d53124f61f.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{3B64B9E5-8B9A-11D5-EBA1-F78EEEEEE983}\InprocServer32	d9ebef62e2a1d0830adafd133c6ed719f13bd1976078e7221c2496d53124f61f.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{3B64B9E5-8B9A-11D5-EBA1-F78EEEEEE983}\sm = 01b8ec350471bd332433eee476ebe1f3	d9ebef62e2a1d0830adafd133c6ed719f13bd1976078e7221c2496d53124f61f.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{3B64B9E5-8B9A-11D5-EBA1-F78EEEEEE983}\ax = e42b09b0786a31925c83f90240c8e7ed	d9ebef62e2a1d0830adafd133c6ed719f13bd1976078e7221c2496d53124f61f.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Windows\\SysWow64\\concp32.exe \"%1\" %*"	d9ebef62e2a1d0830adafd133c6ed719f13bd1976078e7221c2496d53124f61f.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
4072	d9ebef62e2a1d0830adafd133c6ed719f13bd1976078e7221c2496d53124f61f.exe

C:\Users\Admin\AppData\Local\Temp\d9ebef62e2a1d0830adafd133c6ed719f13bd1976078e7221c2496d53124f61f.exe
"C:\Users\Admin\AppData\Local\Temp\d9ebef62e2a1d0830adafd133c6ed719f13bd1976078e7221c2496d53124f61f.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:4072
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4072 -s 756
  2⤵
  - Program crash
  PID:4892

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 4072 -ip 4072
1⤵
PID:4968

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/4072-132-0x0000000000400000-0x0000000000435000-memory.dmp

Filesize
212KB

Download
memory/4072-133-0x0000000000400000-0x0000000000435000-memory.dmp

Filesize
212KB

Download