fb5bc0106deb7dd732f64babc959b32307acec8050c496a67b0128455007d137

Analysis

max time kernel
144s
max time network
186s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
07-11-2022 15:37

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General

Target

fb5bc0106deb7dd732f64babc959b32307acec8050c496a67b0128455007d137.exe
Size

682KB
MD5

077c817320c41117e57fa13cf0102256
SHA1

23019314c25d16c07730dc7045e1ce573a36c59f
SHA256

fb5bc0106deb7dd732f64babc959b32307acec8050c496a67b0128455007d137
SHA512

b47d7b9d3ce4a4127d097ebea7d5a5ed0d2d82f77303c816dca265578f9b1ae638c73bad2abb78f916743c943b0789ce45fdd460f2c195ad4186d6f76782e79b
SSDEEP

12288:UsA1mIRjZp9IyTFCMXSWEOIsgsg+8nS+KXVs2cRZxeACeJJ5/lFgsuH:UsnIPp9IyTFC00OIswnS+uQn3/lFO

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\" %*"	fb5bc0106deb7dd732f64babc959b32307acec8050c496a67b0128455007d137.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\{614204C2-8B9A-11D5-EBA1-F78EEEEEE983}	fb5bc0106deb7dd732f64babc959b32307acec8050c496a67b0128455007d137.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{614204C2-8B9A-11D5-EBA1-F78EEEEEE983}\StubPath = "msutv32.exe"	fb5bc0106deb7dd732f64babc959b32307acec8050c496a67b0128455007d137.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"	fb5bc0106deb7dd732f64babc959b32307acec8050c496a67b0128455007d137.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\VCL = "vcl32.exe"	fb5bc0106deb7dd732f64babc959b32307acec8050c496a67b0128455007d137.exe

Drops file in System32 directory 6 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\vcl32.exe	fb5bc0106deb7dd732f64babc959b32307acec8050c496a67b0128455007d137.exe
File created	C:\Windows\SysWOW64\msutv32.exe	fb5bc0106deb7dd732f64babc959b32307acec8050c496a67b0128455007d137.exe
File opened for modification	C:\Windows\SysWOW64\msutv32.exe	fb5bc0106deb7dd732f64babc959b32307acec8050c496a67b0128455007d137.exe
File created	C:\Windows\SysWOW64\concp32.exe	fb5bc0106deb7dd732f64babc959b32307acec8050c496a67b0128455007d137.exe
File opened for modification	C:\Windows\SysWOW64\concp32.exe	fb5bc0106deb7dd732f64babc959b32307acec8050c496a67b0128455007d137.exe
File created	C:\Windows\SysWOW64\vcl32.exe	fb5bc0106deb7dd732f64babc959b32307acec8050c496a67b0128455007d137.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1704	5084	WerFault.exe	79

Modifies registry class 5 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{614204C2-8B9A-11D5-EBA1-F78EEEEEE983}	fb5bc0106deb7dd732f64babc959b32307acec8050c496a67b0128455007d137.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{614204C2-8B9A-11D5-EBA1-F78EEEEEE983}\InprocServer32	fb5bc0106deb7dd732f64babc959b32307acec8050c496a67b0128455007d137.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{614204C2-8B9A-11D5-EBA1-F78EEEEEE983}\sm = ebb5525fa3bcf9422c8ff945977d6af9	fb5bc0106deb7dd732f64babc959b32307acec8050c496a67b0128455007d137.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{614204C2-8B9A-11D5-EBA1-F78EEEEEE983}\ax = 9f79a256c3ae6ecf2510b08bef3c22f8	fb5bc0106deb7dd732f64babc959b32307acec8050c496a67b0128455007d137.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Windows\\SysWow64\\concp32.exe \"%1\" %*"	fb5bc0106deb7dd732f64babc959b32307acec8050c496a67b0128455007d137.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
5084	fb5bc0106deb7dd732f64babc959b32307acec8050c496a67b0128455007d137.exe

C:\Users\Admin\AppData\Local\Temp\fb5bc0106deb7dd732f64babc959b32307acec8050c496a67b0128455007d137.exe
"C:\Users\Admin\AppData\Local\Temp\fb5bc0106deb7dd732f64babc959b32307acec8050c496a67b0128455007d137.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:5084
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 5084 -s 708
  2⤵
  - Program crash
  PID:1704

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 5084 -ip 5084
1⤵
PID:5016

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/5084-132-0x0000000000400000-0x0000000000435000-memory.dmp

Filesize
212KB

Download
memory/5084-133-0x0000000000400000-0x0000000000435000-memory.dmp

Filesize
212KB

Download