c69fc420d420ec665dd87189f7d20d8096b234eda79e62dff9a28fbf2a0ef713

Analysis

max time kernel
141s
max time network
154s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
25/11/2022, 11:37

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

c69fc420d420ec665dd87189f7d20d8096b234eda79e62dff9a28fbf2a0ef713.exe
Size

320KB
MD5

7e0740e97c75fbe16ba2fd8213b0bad2
SHA1

c9fc93499347dd97be4d05ac115a522f71b01836
SHA256

c69fc420d420ec665dd87189f7d20d8096b234eda79e62dff9a28fbf2a0ef713
SHA512

f6bb49bd5b41581c3fa214588a02a79859eb497bc68286494909d5c60b5772946aff5369ddf8fefcc4f9b77af86079e1a2f62c8363526cb86dd6d5c48b15b0aa
SSDEEP

6144:MRAhhJxX7bNINTf4cC05nh+H0V7kxqPoXVvzn6BjtAg0yKZ5Db9:UsAqMGHG7MXVzCtAz

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\" %*"	c69fc420d420ec665dd87189f7d20d8096b234eda79e62dff9a28fbf2a0ef713.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\{E9C0DF6B-8B9A-11D5-EBA1-F78EEEEEE983}	c69fc420d420ec665dd87189f7d20d8096b234eda79e62dff9a28fbf2a0ef713.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{E9C0DF6B-8B9A-11D5-EBA1-F78EEEEEE983}\StubPath = "mskbe32.exe"	c69fc420d420ec665dd87189f7d20d8096b234eda79e62dff9a28fbf2a0ef713.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"	c69fc420d420ec665dd87189f7d20d8096b234eda79e62dff9a28fbf2a0ef713.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\VCL = "vcl32.exe"	c69fc420d420ec665dd87189f7d20d8096b234eda79e62dff9a28fbf2a0ef713.exe

Drops file in System32 directory 6 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\vcl32.exe	c69fc420d420ec665dd87189f7d20d8096b234eda79e62dff9a28fbf2a0ef713.exe
File created	C:\Windows\SysWOW64\mskbe32.exe	c69fc420d420ec665dd87189f7d20d8096b234eda79e62dff9a28fbf2a0ef713.exe
File opened for modification	C:\Windows\SysWOW64\mskbe32.exe	c69fc420d420ec665dd87189f7d20d8096b234eda79e62dff9a28fbf2a0ef713.exe
File created	C:\Windows\SysWOW64\concp32.exe	c69fc420d420ec665dd87189f7d20d8096b234eda79e62dff9a28fbf2a0ef713.exe
File opened for modification	C:\Windows\SysWOW64\concp32.exe	c69fc420d420ec665dd87189f7d20d8096b234eda79e62dff9a28fbf2a0ef713.exe
File created	C:\Windows\SysWOW64\vcl32.exe	c69fc420d420ec665dd87189f7d20d8096b234eda79e62dff9a28fbf2a0ef713.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4476	2228	WerFault.exe	78

Modifies registry class 5 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{E9C0DF6B-8B9A-11D5-EBA1-F78EEEEEE983}	c69fc420d420ec665dd87189f7d20d8096b234eda79e62dff9a28fbf2a0ef713.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{E9C0DF6B-8B9A-11D5-EBA1-F78EEEEEE983}\InprocServer32	c69fc420d420ec665dd87189f7d20d8096b234eda79e62dff9a28fbf2a0ef713.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{E9C0DF6B-8B9A-11D5-EBA1-F78EEEEEE983}\sm = ebb5525fa3bcf9422c8ff945977d6af9	c69fc420d420ec665dd87189f7d20d8096b234eda79e62dff9a28fbf2a0ef713.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{E9C0DF6B-8B9A-11D5-EBA1-F78EEEEEE983}\ax = 2e7d6d45021eb132991bb9b0f03bc10c	c69fc420d420ec665dd87189f7d20d8096b234eda79e62dff9a28fbf2a0ef713.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Windows\\SysWow64\\concp32.exe \"%1\" %*"	c69fc420d420ec665dd87189f7d20d8096b234eda79e62dff9a28fbf2a0ef713.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2228	c69fc420d420ec665dd87189f7d20d8096b234eda79e62dff9a28fbf2a0ef713.exe

C:\Users\Admin\AppData\Local\Temp\c69fc420d420ec665dd87189f7d20d8096b234eda79e62dff9a28fbf2a0ef713.exe
"C:\Users\Admin\AppData\Local\Temp\c69fc420d420ec665dd87189f7d20d8096b234eda79e62dff9a28fbf2a0ef713.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:2228
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2228 -s 716
  2⤵
  - Program crash
  PID:4476

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 2228 -ip 2228
1⤵
PID:5064

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/2228-132-0x0000000000400000-0x0000000000435000-memory.dmp

Filesize
212KB

Download
memory/2228-133-0x0000000000400000-0x0000000000435000-memory.dmp

Filesize
212KB

Download