5ff0d78f67e704b23c11f7fa35a2883a74033371d931214d69bf34dde422ff47

Analysis

max time kernel
180s
max time network
196s
platform
windows10-2004_x64
resource
win10v2004-20221111-en
resource tags

arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
submitted
01/12/2022, 09:12

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General

Target

5ff0d78f67e704b23c11f7fa35a2883a74033371d931214d69bf34dde422ff47.exe
Size

736KB
MD5

9008345ad8ad9e8d04d39d48bf48f3ef
SHA1

d9c2c90d0acf7d594d1d63b81baa2aa82f0a9bf1
SHA256

5ff0d78f67e704b23c11f7fa35a2883a74033371d931214d69bf34dde422ff47
SHA512

dab988252ad735fe62e61419398ca3721e2e3b9029a0bf929c87ce67adc5ef884794abd3ec8cd1c3f99b6ffae6c135bf44e42256414f0eaa3a5883b3933777ef
SSDEEP

12288:UsAL/W5L/SZdSCvTF+bDTqXTa7v5ougtHEg/7Q4hvaJAPFqOm2SgBk5pNLCs:UsW/WNSZ8CLGETEjgXs4hDFqCLBkLNH

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\" %*"	5ff0d78f67e704b23c11f7fa35a2883a74033371d931214d69bf34dde422ff47.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\{5490702B-8B9A-11D5-EBA1-F78EEEEEE983}	5ff0d78f67e704b23c11f7fa35a2883a74033371d931214d69bf34dde422ff47.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{5490702B-8B9A-11D5-EBA1-F78EEEEEE983}\StubPath = "msgnm32.exe"	5ff0d78f67e704b23c11f7fa35a2883a74033371d931214d69bf34dde422ff47.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"	5ff0d78f67e704b23c11f7fa35a2883a74033371d931214d69bf34dde422ff47.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\VCL = "vcl32.exe"	5ff0d78f67e704b23c11f7fa35a2883a74033371d931214d69bf34dde422ff47.exe

Drops file in System32 directory 6 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\vcl32.exe	5ff0d78f67e704b23c11f7fa35a2883a74033371d931214d69bf34dde422ff47.exe
File opened for modification	C:\Windows\SysWOW64\vcl32.exe	5ff0d78f67e704b23c11f7fa35a2883a74033371d931214d69bf34dde422ff47.exe
File created	C:\Windows\SysWOW64\msgnm32.exe	5ff0d78f67e704b23c11f7fa35a2883a74033371d931214d69bf34dde422ff47.exe
File opened for modification	C:\Windows\SysWOW64\msgnm32.exe	5ff0d78f67e704b23c11f7fa35a2883a74033371d931214d69bf34dde422ff47.exe
File created	C:\Windows\SysWOW64\concp32.exe	5ff0d78f67e704b23c11f7fa35a2883a74033371d931214d69bf34dde422ff47.exe
File opened for modification	C:\Windows\SysWOW64\concp32.exe	5ff0d78f67e704b23c11f7fa35a2883a74033371d931214d69bf34dde422ff47.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1860	4280	WerFault.exe	79

Modifies registry class 5 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{5490702B-8B9A-11D5-EBA1-F78EEEEEE983}	5ff0d78f67e704b23c11f7fa35a2883a74033371d931214d69bf34dde422ff47.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{5490702B-8B9A-11D5-EBA1-F78EEEEEE983}\InprocServer32	5ff0d78f67e704b23c11f7fa35a2883a74033371d931214d69bf34dde422ff47.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{5490702B-8B9A-11D5-EBA1-F78EEEEEE983}\sm = ebb5525fa3bcf9422c8ff945977d6af9	5ff0d78f67e704b23c11f7fa35a2883a74033371d931214d69bf34dde422ff47.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{5490702B-8B9A-11D5-EBA1-F78EEEEEE983}\ax = e7ab8b011a3cae1e08ec48624841adb1	5ff0d78f67e704b23c11f7fa35a2883a74033371d931214d69bf34dde422ff47.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Windows\\SysWow64\\concp32.exe \"%1\" %*"	5ff0d78f67e704b23c11f7fa35a2883a74033371d931214d69bf34dde422ff47.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
4280	5ff0d78f67e704b23c11f7fa35a2883a74033371d931214d69bf34dde422ff47.exe

C:\Users\Admin\AppData\Local\Temp\5ff0d78f67e704b23c11f7fa35a2883a74033371d931214d69bf34dde422ff47.exe
"C:\Users\Admin\AppData\Local\Temp\5ff0d78f67e704b23c11f7fa35a2883a74033371d931214d69bf34dde422ff47.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:4280
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4280 -s 708
  2⤵
  - Program crash
  PID:1860

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 4280 -ip 4280
1⤵
PID:748

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/4280-132-0x0000000000400000-0x0000000000435000-memory.dmp

Filesize
212KB

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memory/4280-133-0x0000000000400000-0x0000000000435000-memory.dmp

Filesize
212KB

Download