e05dca9d0ba628d36e4b774f9f12a21f9eadf4e0a12bf214f7ad274549d98605

Analysis

max time kernel
151s
max time network
192s
platform
windows10-2004_x64
resource
win10v2004-20221111-en
resource tags

arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
submitted
30/11/2022, 23:32

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General

Target

e05dca9d0ba628d36e4b774f9f12a21f9eadf4e0a12bf214f7ad274549d98605.exe
Size

839KB
MD5

00f91624b385c724df8dde41d16d1761
SHA1

9bb59332d31e3f940bef49472230959c1f6487cd
SHA256

e05dca9d0ba628d36e4b774f9f12a21f9eadf4e0a12bf214f7ad274549d98605
SHA512

1a88e4a7774a670cd021c9c0bd9ff850718fcc834bb8688871647823bd49be28c1bdb296aba77ad9f44c027783d071f792a19f5cff8db93e3a9b9385d2e8c432
SSDEEP

24576:UsBbWOSY4HewnvFdjaKDDh694uYk5SfZeE:UqL4BnvXjF0HYbeE

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\" %*"	e05dca9d0ba628d36e4b774f9f12a21f9eadf4e0a12bf214f7ad274549d98605.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\{40F3D00-8B9A-11D5-EBA1-F78EEEEEE983}	e05dca9d0ba628d36e4b774f9f12a21f9eadf4e0a12bf214f7ad274549d98605.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{40F3D00-8B9A-11D5-EBA1-F78EEEEEE983}\StubPath = "mssbe32.exe"	e05dca9d0ba628d36e4b774f9f12a21f9eadf4e0a12bf214f7ad274549d98605.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"	e05dca9d0ba628d36e4b774f9f12a21f9eadf4e0a12bf214f7ad274549d98605.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\VCL = "vcl32.exe"	e05dca9d0ba628d36e4b774f9f12a21f9eadf4e0a12bf214f7ad274549d98605.exe

Drops file in System32 directory 6 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\vcl32.exe	e05dca9d0ba628d36e4b774f9f12a21f9eadf4e0a12bf214f7ad274549d98605.exe
File opened for modification	C:\Windows\SysWOW64\vcl32.exe	e05dca9d0ba628d36e4b774f9f12a21f9eadf4e0a12bf214f7ad274549d98605.exe
File created	C:\Windows\SysWOW64\mssbe32.exe	e05dca9d0ba628d36e4b774f9f12a21f9eadf4e0a12bf214f7ad274549d98605.exe
File opened for modification	C:\Windows\SysWOW64\mssbe32.exe	e05dca9d0ba628d36e4b774f9f12a21f9eadf4e0a12bf214f7ad274549d98605.exe
File created	C:\Windows\SysWOW64\concp32.exe	e05dca9d0ba628d36e4b774f9f12a21f9eadf4e0a12bf214f7ad274549d98605.exe
File opened for modification	C:\Windows\SysWOW64\concp32.exe	e05dca9d0ba628d36e4b774f9f12a21f9eadf4e0a12bf214f7ad274549d98605.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3524	2844	WerFault.exe	81

Modifies registry class 5 IoCs

description	ioc	Process
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{40F3D00-8B9A-11D5-EBA1-F78EEEEEE983}\sm = 01b8ec350471bd332433eee476ebe1f3	e05dca9d0ba628d36e4b774f9f12a21f9eadf4e0a12bf214f7ad274549d98605.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{40F3D00-8B9A-11D5-EBA1-F78EEEEEE983}\ax = e60a5372088a77fa10bdb8f4217d3327	e05dca9d0ba628d36e4b774f9f12a21f9eadf4e0a12bf214f7ad274549d98605.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Windows\\SysWow64\\concp32.exe \"%1\" %*"	e05dca9d0ba628d36e4b774f9f12a21f9eadf4e0a12bf214f7ad274549d98605.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{40F3D00-8B9A-11D5-EBA1-F78EEEEEE983}	e05dca9d0ba628d36e4b774f9f12a21f9eadf4e0a12bf214f7ad274549d98605.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{40F3D00-8B9A-11D5-EBA1-F78EEEEEE983}\InprocServer32	e05dca9d0ba628d36e4b774f9f12a21f9eadf4e0a12bf214f7ad274549d98605.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2844	e05dca9d0ba628d36e4b774f9f12a21f9eadf4e0a12bf214f7ad274549d98605.exe

C:\Users\Admin\AppData\Local\Temp\e05dca9d0ba628d36e4b774f9f12a21f9eadf4e0a12bf214f7ad274549d98605.exe
"C:\Users\Admin\AppData\Local\Temp\e05dca9d0ba628d36e4b774f9f12a21f9eadf4e0a12bf214f7ad274549d98605.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:2844
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2844 -s 728
  2⤵
  - Program crash
  PID:3524

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 2844 -ip 2844
1⤵
PID:3624

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/2844-132-0x0000000000400000-0x0000000000435000-memory.dmp

Filesize
212KB

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memory/2844-133-0x0000000000400000-0x0000000000435000-memory.dmp

Filesize
212KB

Download