603cc5546d21e227a6ef51554e78a98255e16f3cdc67e3794e98b2f202c053cd

Analysis

max time kernel
111s
max time network
130s
platform
windows10-2004_x64
resource
win10v2004-20220901-en
resource tags

arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
submitted
02-10-2022 15:00

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General

Target

603cc5546d21e227a6ef51554e78a98255e16f3cdc67e3794e98b2f202c053cd.exe
Size

353KB
MD5

6737030dc88c0eae765997029263a2e1
SHA1

8446f37c351d75d224e93d9d20aab4f6aaa0ff62
SHA256

603cc5546d21e227a6ef51554e78a98255e16f3cdc67e3794e98b2f202c053cd
SHA512

34fda332f1943c2ce1c0d6f5efc8c482e0ec7c7aa39c01f155d3e0bb824198b837ce103b31050ff616825df95d89837b0f7fd4fa0cea0a92f23ff521aa9e4d97
SSDEEP

6144:NtKe6YiDdv3m3mgKHIl7bNINTf4cC05nh+H0VSNmzkzeT6l8zGABNFB5T:NtKe6Zv23YdqMGHGSEg86iLB3jT

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\" %*"	603cc5546d21e227a6ef51554e78a98255e16f3cdc67e3794e98b2f202c053cd.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\{608838CB-8B9A-11D5-EBA1-F78EEEEEE983}	603cc5546d21e227a6ef51554e78a98255e16f3cdc67e3794e98b2f202c053cd.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{608838CB-8B9A-11D5-EBA1-F78EEEEEE983}\StubPath = "msjah32.exe"	603cc5546d21e227a6ef51554e78a98255e16f3cdc67e3794e98b2f202c053cd.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\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\VCL = "vcl32.exe"	603cc5546d21e227a6ef51554e78a98255e16f3cdc67e3794e98b2f202c053cd.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\VCL = "vcl32.exe"	603cc5546d21e227a6ef51554e78a98255e16f3cdc67e3794e98b2f202c053cd.exe

Drops file in System32 directory 6 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\concp32.exe	603cc5546d21e227a6ef51554e78a98255e16f3cdc67e3794e98b2f202c053cd.exe
File created	C:\Windows\SysWOW64\vcl32.exe	603cc5546d21e227a6ef51554e78a98255e16f3cdc67e3794e98b2f202c053cd.exe
File opened for modification	C:\Windows\SysWOW64\vcl32.exe	603cc5546d21e227a6ef51554e78a98255e16f3cdc67e3794e98b2f202c053cd.exe
File created	C:\Windows\SysWOW64\msjah32.exe	603cc5546d21e227a6ef51554e78a98255e16f3cdc67e3794e98b2f202c053cd.exe
File opened for modification	C:\Windows\SysWOW64\msjah32.exe	603cc5546d21e227a6ef51554e78a98255e16f3cdc67e3794e98b2f202c053cd.exe
File created	C:\Windows\SysWOW64\concp32.exe	603cc5546d21e227a6ef51554e78a98255e16f3cdc67e3794e98b2f202c053cd.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3396	4412	WerFault.exe	81

Modifies registry class 5 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{608838CB-8B9A-11D5-EBA1-F78EEEEEE983}	603cc5546d21e227a6ef51554e78a98255e16f3cdc67e3794e98b2f202c053cd.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{608838CB-8B9A-11D5-EBA1-F78EEEEEE983}\InprocServer32	603cc5546d21e227a6ef51554e78a98255e16f3cdc67e3794e98b2f202c053cd.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{608838CB-8B9A-11D5-EBA1-F78EEEEEE983}\sm = ebb5525fa3bcf9422c8ff945977d6af9	603cc5546d21e227a6ef51554e78a98255e16f3cdc67e3794e98b2f202c053cd.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{608838CB-8B9A-11D5-EBA1-F78EEEEEE983}\ax = ec7175224eff645063023c3cbdfcfd46	603cc5546d21e227a6ef51554e78a98255e16f3cdc67e3794e98b2f202c053cd.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Windows\\SysWow64\\concp32.exe \"%1\" %*"	603cc5546d21e227a6ef51554e78a98255e16f3cdc67e3794e98b2f202c053cd.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
4412	603cc5546d21e227a6ef51554e78a98255e16f3cdc67e3794e98b2f202c053cd.exe

C:\Users\Admin\AppData\Local\Temp\603cc5546d21e227a6ef51554e78a98255e16f3cdc67e3794e98b2f202c053cd.exe
"C:\Users\Admin\AppData\Local\Temp\603cc5546d21e227a6ef51554e78a98255e16f3cdc67e3794e98b2f202c053cd.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:4412
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4412 -s 728
  2⤵
  - Program crash
  PID:3396

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 428 -p 4412 -ip 4412
1⤵
PID:3260

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/4412-132-0x0000000000400000-0x0000000000435000-memory.dmp

Filesize
212KB

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