8e4a70d9b3af0785dfbc74048f79bf5b5e6b6d30f53798e9f6495de6f6b66f7a

Analysis

max time kernel
192s
max time network
198s
platform
windows10-2004_x64
resource
win10v2004-20221111-en
resource tags

arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
submitted
26-11-2022 01:55

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

8e4a70d9b3af0785dfbc74048f79bf5b5e6b6d30f53798e9f6495de6f6b66f7a.exe
Size

216KB
MD5

cbef3401b1c1ddc8f5165bc3fd796c15
SHA1

4cb40a325909b3980a1c23b01393f441ef2ae54c
SHA256

8e4a70d9b3af0785dfbc74048f79bf5b5e6b6d30f53798e9f6495de6f6b66f7a
SHA512

8acca2c3449c135a1bf7980ec8ec0734ed722b9630c822306840b7cdb193e6634273e387bbf6ad200adf3162693c964dff35da3cdacf08766d5ebb89f6aa69ae
SSDEEP

3072:MRAhhcsxgAJuK7bZD01GoI0ONIGpPlGvOOGCc0Hjv5qPr2CHExvwm1xpb+l7V/Z/:MRAhhJxX7bNI5dvqbMjvUPrdHCxpKl7z

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\" %*"	8e4a70d9b3af0785dfbc74048f79bf5b5e6b6d30f53798e9f6495de6f6b66f7a.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\{43FCE013-8B9A-11D5-EBA1-F78EEEEEE983}	8e4a70d9b3af0785dfbc74048f79bf5b5e6b6d30f53798e9f6495de6f6b66f7a.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{43FCE013-8B9A-11D5-EBA1-F78EEEEEE983}\StubPath = "msoal32.exe"	8e4a70d9b3af0785dfbc74048f79bf5b5e6b6d30f53798e9f6495de6f6b66f7a.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"	8e4a70d9b3af0785dfbc74048f79bf5b5e6b6d30f53798e9f6495de6f6b66f7a.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\VCL = "vcl32.exe"	8e4a70d9b3af0785dfbc74048f79bf5b5e6b6d30f53798e9f6495de6f6b66f7a.exe

Drops file in System32 directory 6 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\concp32.exe	8e4a70d9b3af0785dfbc74048f79bf5b5e6b6d30f53798e9f6495de6f6b66f7a.exe
File opened for modification	C:\Windows\SysWOW64\concp32.exe	8e4a70d9b3af0785dfbc74048f79bf5b5e6b6d30f53798e9f6495de6f6b66f7a.exe
File created	C:\Windows\SysWOW64\vcl32.exe	8e4a70d9b3af0785dfbc74048f79bf5b5e6b6d30f53798e9f6495de6f6b66f7a.exe
File opened for modification	C:\Windows\SysWOW64\vcl32.exe	8e4a70d9b3af0785dfbc74048f79bf5b5e6b6d30f53798e9f6495de6f6b66f7a.exe
File created	C:\Windows\SysWOW64\msoal32.exe	8e4a70d9b3af0785dfbc74048f79bf5b5e6b6d30f53798e9f6495de6f6b66f7a.exe
File opened for modification	C:\Windows\SysWOW64\msoal32.exe	8e4a70d9b3af0785dfbc74048f79bf5b5e6b6d30f53798e9f6495de6f6b66f7a.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4980	3756	WerFault.exe	82

Modifies registry class 5 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{43FCE013-8B9A-11D5-EBA1-F78EEEEEE983}	8e4a70d9b3af0785dfbc74048f79bf5b5e6b6d30f53798e9f6495de6f6b66f7a.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{43FCE013-8B9A-11D5-EBA1-F78EEEEEE983}\InprocServer32	8e4a70d9b3af0785dfbc74048f79bf5b5e6b6d30f53798e9f6495de6f6b66f7a.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{43FCE013-8B9A-11D5-EBA1-F78EEEEEE983}\sm = 01b8ec350471bd332433eee476ebe1f3	8e4a70d9b3af0785dfbc74048f79bf5b5e6b6d30f53798e9f6495de6f6b66f7a.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{43FCE013-8B9A-11D5-EBA1-F78EEEEEE983}\ax = 92b61cfae662309afe49883bc920f770	8e4a70d9b3af0785dfbc74048f79bf5b5e6b6d30f53798e9f6495de6f6b66f7a.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Windows\\SysWow64\\concp32.exe \"%1\" %*"	8e4a70d9b3af0785dfbc74048f79bf5b5e6b6d30f53798e9f6495de6f6b66f7a.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
3756	8e4a70d9b3af0785dfbc74048f79bf5b5e6b6d30f53798e9f6495de6f6b66f7a.exe

C:\Users\Admin\AppData\Local\Temp\8e4a70d9b3af0785dfbc74048f79bf5b5e6b6d30f53798e9f6495de6f6b66f7a.exe
"C:\Users\Admin\AppData\Local\Temp\8e4a70d9b3af0785dfbc74048f79bf5b5e6b6d30f53798e9f6495de6f6b66f7a.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:3756
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3756 -s 712
  2⤵
  - Program crash
  PID:4980

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 3756 -ip 3756
1⤵
PID:228

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/3756-132-0x0000000000400000-0x0000000000435000-memory.dmp

Filesize
212KB

Download