e6576577d244144fcdbbbb935191a6b105908405a771638f5cc628a10f6570d4

Analysis

max time kernel
157s
max time network
177s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
24-11-2022 03:35

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

e6576577d244144fcdbbbb935191a6b105908405a771638f5cc628a10f6570d4.exe
Size

320KB
MD5

72c304434c07304a80e673fac177ba82
SHA1

3e0c05b5359605ac6772b998622f5442da8a356c
SHA256

e6576577d244144fcdbbbb935191a6b105908405a771638f5cc628a10f6570d4
SHA512

7351781d42d6b953f9945e4fc866d59429d4849df3f6cc8907c78e4385097fd060b65469ef0198eb03fadbf8c55fd4f0e651c0f23753e3653ae92bbb68fea073
SSDEEP

6144:MRAhhJxX7bNI5lxxJ8VErjs52UBKDvDJ9uYvlJoMXeQ2K9vzAVgd4tbaL:UsA5LrA52UBMJwv3K9bAVVU

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\" %*"	e6576577d244144fcdbbbb935191a6b105908405a771638f5cc628a10f6570d4.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\{4EC7AC66-8B9A-11D5-EBA1-F78EEEEEE983}	e6576577d244144fcdbbbb935191a6b105908405a771638f5cc628a10f6570d4.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{4EC7AC66-8B9A-11D5-EBA1-F78EEEEEE983}\StubPath = "msiys32.exe"	e6576577d244144fcdbbbb935191a6b105908405a771638f5cc628a10f6570d4.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"	e6576577d244144fcdbbbb935191a6b105908405a771638f5cc628a10f6570d4.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\VCL = "vcl32.exe"	e6576577d244144fcdbbbb935191a6b105908405a771638f5cc628a10f6570d4.exe

Drops file in System32 directory 6 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\vcl32.exe	e6576577d244144fcdbbbb935191a6b105908405a771638f5cc628a10f6570d4.exe
File opened for modification	C:\Windows\SysWOW64\vcl32.exe	e6576577d244144fcdbbbb935191a6b105908405a771638f5cc628a10f6570d4.exe
File created	C:\Windows\SysWOW64\msiys32.exe	e6576577d244144fcdbbbb935191a6b105908405a771638f5cc628a10f6570d4.exe
File opened for modification	C:\Windows\SysWOW64\msiys32.exe	e6576577d244144fcdbbbb935191a6b105908405a771638f5cc628a10f6570d4.exe
File created	C:\Windows\SysWOW64\concp32.exe	e6576577d244144fcdbbbb935191a6b105908405a771638f5cc628a10f6570d4.exe
File opened for modification	C:\Windows\SysWOW64\concp32.exe	e6576577d244144fcdbbbb935191a6b105908405a771638f5cc628a10f6570d4.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4928	4760	WerFault.exe	78

Modifies registry class 5 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{4EC7AC66-8B9A-11D5-EBA1-F78EEEEEE983}	e6576577d244144fcdbbbb935191a6b105908405a771638f5cc628a10f6570d4.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{4EC7AC66-8B9A-11D5-EBA1-F78EEEEEE983}\InprocServer32	e6576577d244144fcdbbbb935191a6b105908405a771638f5cc628a10f6570d4.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{4EC7AC66-8B9A-11D5-EBA1-F78EEEEEE983}\sm = ebb5525fa3bcf9422c8ff945977d6af9	e6576577d244144fcdbbbb935191a6b105908405a771638f5cc628a10f6570d4.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{4EC7AC66-8B9A-11D5-EBA1-F78EEEEEE983}\ax = 329680d7f98c30d8b847f97690310200	e6576577d244144fcdbbbb935191a6b105908405a771638f5cc628a10f6570d4.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Windows\\SysWow64\\concp32.exe \"%1\" %*"	e6576577d244144fcdbbbb935191a6b105908405a771638f5cc628a10f6570d4.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
4760	e6576577d244144fcdbbbb935191a6b105908405a771638f5cc628a10f6570d4.exe

C:\Users\Admin\AppData\Local\Temp\e6576577d244144fcdbbbb935191a6b105908405a771638f5cc628a10f6570d4.exe
"C:\Users\Admin\AppData\Local\Temp\e6576577d244144fcdbbbb935191a6b105908405a771638f5cc628a10f6570d4.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:4760
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4760 -s 760
  2⤵
  - Program crash
  PID:4928

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4760 -ip 4760
1⤵
PID:4812

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

Replay Monitor

Loading Replay Monitor...

Downloads

memory/4760-132-0x0000000000400000-0x0000000000435000-memory.dmp

Filesize
212KB

Download
memory/4760-133-0x0000000000400000-0x0000000000435000-memory.dmp

Filesize
212KB

Download