73542c0b8bb4b290bcc7349bcf68996ea4fc9c3c91fdf33e3a572fb75e9b31ca

Analysis

max time kernel
157s
max time network
178s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
20/10/2022, 00:51

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General

Target

73542c0b8bb4b290bcc7349bcf68996ea4fc9c3c91fdf33e3a572fb75e9b31ca.exe
Size

402KB
MD5

a124fcda543cf75bab3ea2f82fbf75a1
SHA1

4e8602d5944478ce868f64020d3e4b5c404ecb2d
SHA256

73542c0b8bb4b290bcc7349bcf68996ea4fc9c3c91fdf33e3a572fb75e9b31ca
SHA512

c20fb3fd7eecef5f70e47fa58f0e2f12dbe19ada71f7e53020c96ad70e0ccd8761ba68eaac92f31e49971a758cd01957c30f8c4e982be288098a218691644cad
SSDEEP

6144:MRAhhJxX7bNIAROzTuaPUD8XRufY7L3oxXTwMJUbwHANxUfRIFRZRlxqFPMPazij:UsAAPaPUD1SYzJuwHAgJIFRtxZZj

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\" %*"	73542c0b8bb4b290bcc7349bcf68996ea4fc9c3c91fdf33e3a572fb75e9b31ca.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\{3ADB2819-8B9A-11D5-EBA1-F78EEEEEE983}	73542c0b8bb4b290bcc7349bcf68996ea4fc9c3c91fdf33e3a572fb75e9b31ca.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{3ADB2819-8B9A-11D5-EBA1-F78EEEEEE983}\StubPath = "mstvw32.exe"	73542c0b8bb4b290bcc7349bcf68996ea4fc9c3c91fdf33e3a572fb75e9b31ca.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"	73542c0b8bb4b290bcc7349bcf68996ea4fc9c3c91fdf33e3a572fb75e9b31ca.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\VCL = "vcl32.exe"	73542c0b8bb4b290bcc7349bcf68996ea4fc9c3c91fdf33e3a572fb75e9b31ca.exe

Drops file in System32 directory 6 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\vcl32.exe	73542c0b8bb4b290bcc7349bcf68996ea4fc9c3c91fdf33e3a572fb75e9b31ca.exe
File opened for modification	C:\Windows\SysWOW64\vcl32.exe	73542c0b8bb4b290bcc7349bcf68996ea4fc9c3c91fdf33e3a572fb75e9b31ca.exe
File created	C:\Windows\SysWOW64\mstvw32.exe	73542c0b8bb4b290bcc7349bcf68996ea4fc9c3c91fdf33e3a572fb75e9b31ca.exe
File opened for modification	C:\Windows\SysWOW64\mstvw32.exe	73542c0b8bb4b290bcc7349bcf68996ea4fc9c3c91fdf33e3a572fb75e9b31ca.exe
File created	C:\Windows\SysWOW64\concp32.exe	73542c0b8bb4b290bcc7349bcf68996ea4fc9c3c91fdf33e3a572fb75e9b31ca.exe
File opened for modification	C:\Windows\SysWOW64\concp32.exe	73542c0b8bb4b290bcc7349bcf68996ea4fc9c3c91fdf33e3a572fb75e9b31ca.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1780	4140	WerFault.exe	81

Modifies registry class 5 IoCs

description	ioc	Process
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{3ADB2819-8B9A-11D5-EBA1-F78EEEEEE983}\ax = eeeb163fa3987cfa5eb2343095e09ea7	73542c0b8bb4b290bcc7349bcf68996ea4fc9c3c91fdf33e3a572fb75e9b31ca.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Windows\\SysWow64\\concp32.exe \"%1\" %*"	73542c0b8bb4b290bcc7349bcf68996ea4fc9c3c91fdf33e3a572fb75e9b31ca.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{3ADB2819-8B9A-11D5-EBA1-F78EEEEEE983}	73542c0b8bb4b290bcc7349bcf68996ea4fc9c3c91fdf33e3a572fb75e9b31ca.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{3ADB2819-8B9A-11D5-EBA1-F78EEEEEE983}\InprocServer32	73542c0b8bb4b290bcc7349bcf68996ea4fc9c3c91fdf33e3a572fb75e9b31ca.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{3ADB2819-8B9A-11D5-EBA1-F78EEEEEE983}\sm = 01b8ec350471bd332433eee476ebe1f3	73542c0b8bb4b290bcc7349bcf68996ea4fc9c3c91fdf33e3a572fb75e9b31ca.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
4140	73542c0b8bb4b290bcc7349bcf68996ea4fc9c3c91fdf33e3a572fb75e9b31ca.exe

C:\Users\Admin\AppData\Local\Temp\73542c0b8bb4b290bcc7349bcf68996ea4fc9c3c91fdf33e3a572fb75e9b31ca.exe
"C:\Users\Admin\AppData\Local\Temp\73542c0b8bb4b290bcc7349bcf68996ea4fc9c3c91fdf33e3a572fb75e9b31ca.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:4140
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4140 -s 712
  2⤵
  - Program crash
  PID:1780

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 360 -p 4140 -ip 4140
1⤵
PID:820

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

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Downloads

memory/4140-132-0x0000000000400000-0x0000000000435000-memory.dmp

Filesize
212KB

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